diff options
| author | Steve Langasek <steve.langasek@ubuntu.com> | 2012-08-29 16:51:10 -0700 |
|---|---|---|
| committer | Steve Langasek <steve.langasek@canonical.com> | 2012-08-29 16:51:10 -0700 |
| commit | 3e5756512efd00beca8e76ea70d5924056aa4714 (patch) | |
| tree | 0ec3924871c45ea16b10e5ff536e21b7a77af7c9 /Cryptlib/OpenSSL/crypto/pkcs7 | |
| download | efi-boot-shim-3e5756512efd00beca8e76ea70d5924056aa4714.tar.gz efi-boot-shim-3e5756512efd00beca8e76ea70d5924056aa4714.zip | |
Import upstream version 0~20120728.3df9e294
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/pkcs7')
| -rwxr-xr-x | Cryptlib/OpenSSL/crypto/pkcs7/pk7_asn1.c | 214 | ||||
| -rwxr-xr-x | Cryptlib/OpenSSL/crypto/pkcs7/pk7_attr.c | 141 | ||||
| -rwxr-xr-x | Cryptlib/OpenSSL/crypto/pkcs7/pk7_doit.c | 1177 | ||||
| -rwxr-xr-x | Cryptlib/OpenSSL/crypto/pkcs7/pk7_lib.c | 587 | ||||
| -rwxr-xr-x | Cryptlib/OpenSSL/crypto/pkcs7/pk7_mime.c | 125 | ||||
| -rwxr-xr-x | Cryptlib/OpenSSL/crypto/pkcs7/pk7_smime.c | 522 | ||||
| -rwxr-xr-x | Cryptlib/OpenSSL/crypto/pkcs7/pkcs7err.c | 167 |
7 files changed, 2933 insertions, 0 deletions
diff --git a/Cryptlib/OpenSSL/crypto/pkcs7/pk7_asn1.c b/Cryptlib/OpenSSL/crypto/pkcs7/pk7_asn1.c new file mode 100755 index 00000000..1f70d313 --- /dev/null +++ b/Cryptlib/OpenSSL/crypto/pkcs7/pk7_asn1.c @@ -0,0 +1,214 @@ +/* pk7_asn.c */ +/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL + * project 2000. + */ +/* ==================================================================== + * Copyright (c) 2000 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * licensing@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#include <stdio.h> +#include "cryptlib.h" +#include <openssl/asn1t.h> +#include <openssl/pkcs7.h> +#include <openssl/x509.h> + +/* PKCS#7 ASN1 module */ + +/* This is the ANY DEFINED BY table for the top level PKCS#7 structure */ + +ASN1_ADB_TEMPLATE(p7default) = ASN1_EXP_OPT(PKCS7, d.other, ASN1_ANY, 0); + +ASN1_ADB(PKCS7) = { + ADB_ENTRY(NID_pkcs7_data, ASN1_NDEF_EXP_OPT(PKCS7, d.data, ASN1_OCTET_STRING_NDEF, 0)), + ADB_ENTRY(NID_pkcs7_signed, ASN1_NDEF_EXP_OPT(PKCS7, d.sign, PKCS7_SIGNED, 0)), + ADB_ENTRY(NID_pkcs7_enveloped, ASN1_NDEF_EXP_OPT(PKCS7, d.enveloped, PKCS7_ENVELOPE, 0)), + ADB_ENTRY(NID_pkcs7_signedAndEnveloped, ASN1_NDEF_EXP_OPT(PKCS7, d.signed_and_enveloped, PKCS7_SIGN_ENVELOPE, 0)), + ADB_ENTRY(NID_pkcs7_digest, ASN1_NDEF_EXP_OPT(PKCS7, d.digest, PKCS7_DIGEST, 0)), + ADB_ENTRY(NID_pkcs7_encrypted, ASN1_NDEF_EXP_OPT(PKCS7, d.encrypted, PKCS7_ENCRYPT, 0)) +} ASN1_ADB_END(PKCS7, 0, type, 0, &p7default_tt, NULL); + +ASN1_NDEF_SEQUENCE(PKCS7) = { + ASN1_SIMPLE(PKCS7, type, ASN1_OBJECT), + ASN1_ADB_OBJECT(PKCS7) +}ASN1_NDEF_SEQUENCE_END(PKCS7) + +IMPLEMENT_ASN1_FUNCTIONS(PKCS7) +IMPLEMENT_ASN1_NDEF_FUNCTION(PKCS7) +IMPLEMENT_ASN1_DUP_FUNCTION(PKCS7) + +ASN1_NDEF_SEQUENCE(PKCS7_SIGNED) = { + ASN1_SIMPLE(PKCS7_SIGNED, version, ASN1_INTEGER), + ASN1_SET_OF(PKCS7_SIGNED, md_algs, X509_ALGOR), + ASN1_SIMPLE(PKCS7_SIGNED, contents, PKCS7), + ASN1_IMP_SEQUENCE_OF_OPT(PKCS7_SIGNED, cert, X509, 0), + ASN1_IMP_SET_OF_OPT(PKCS7_SIGNED, crl, X509_CRL, 1), + ASN1_SET_OF(PKCS7_SIGNED, signer_info, PKCS7_SIGNER_INFO) +} ASN1_NDEF_SEQUENCE_END(PKCS7_SIGNED) + +IMPLEMENT_ASN1_FUNCTIONS(PKCS7_SIGNED) + +/* Minor tweak to operation: free up EVP_PKEY */ +static int si_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it) +{ + if(operation == ASN1_OP_FREE_POST) { + PKCS7_SIGNER_INFO *si = (PKCS7_SIGNER_INFO *)*pval; + EVP_PKEY_free(si->pkey); + } + return 1; +} + +ASN1_SEQUENCE_cb(PKCS7_SIGNER_INFO, si_cb) = { + ASN1_SIMPLE(PKCS7_SIGNER_INFO, version, ASN1_INTEGER), + ASN1_SIMPLE(PKCS7_SIGNER_INFO, issuer_and_serial, PKCS7_ISSUER_AND_SERIAL), + ASN1_SIMPLE(PKCS7_SIGNER_INFO, digest_alg, X509_ALGOR), + /* NB this should be a SET OF but we use a SEQUENCE OF so the + * original order * is retained when the structure is reencoded. + * Since the attributes are implicitly tagged this will not affect + * the encoding. + */ + ASN1_IMP_SEQUENCE_OF_OPT(PKCS7_SIGNER_INFO, auth_attr, X509_ATTRIBUTE, 0), + ASN1_SIMPLE(PKCS7_SIGNER_INFO, digest_enc_alg, X509_ALGOR), + ASN1_SIMPLE(PKCS7_SIGNER_INFO, enc_digest, ASN1_OCTET_STRING), + ASN1_IMP_SET_OF_OPT(PKCS7_SIGNER_INFO, unauth_attr, X509_ATTRIBUTE, 1) +} ASN1_SEQUENCE_END_cb(PKCS7_SIGNER_INFO, PKCS7_SIGNER_INFO) + +IMPLEMENT_ASN1_FUNCTIONS(PKCS7_SIGNER_INFO) + +ASN1_SEQUENCE(PKCS7_ISSUER_AND_SERIAL) = { + ASN1_SIMPLE(PKCS7_ISSUER_AND_SERIAL, issuer, X509_NAME), + ASN1_SIMPLE(PKCS7_ISSUER_AND_SERIAL, serial, ASN1_INTEGER) +} ASN1_SEQUENCE_END(PKCS7_ISSUER_AND_SERIAL) + +IMPLEMENT_ASN1_FUNCTIONS(PKCS7_ISSUER_AND_SERIAL) + +ASN1_NDEF_SEQUENCE(PKCS7_ENVELOPE) = { + ASN1_SIMPLE(PKCS7_ENVELOPE, version, ASN1_INTEGER), + ASN1_SET_OF(PKCS7_ENVELOPE, recipientinfo, PKCS7_RECIP_INFO), + ASN1_SIMPLE(PKCS7_ENVELOPE, enc_data, PKCS7_ENC_CONTENT) +} ASN1_NDEF_SEQUENCE_END(PKCS7_ENVELOPE) + +IMPLEMENT_ASN1_FUNCTIONS(PKCS7_ENVELOPE) + +/* Minor tweak to operation: free up X509 */ +static int ri_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it) +{ + if(operation == ASN1_OP_FREE_POST) { + PKCS7_RECIP_INFO *ri = (PKCS7_RECIP_INFO *)*pval; + X509_free(ri->cert); + } + return 1; +} + +ASN1_SEQUENCE_cb(PKCS7_RECIP_INFO, ri_cb) = { + ASN1_SIMPLE(PKCS7_RECIP_INFO, version, ASN1_INTEGER), + ASN1_SIMPLE(PKCS7_RECIP_INFO, issuer_and_serial, PKCS7_ISSUER_AND_SERIAL), + ASN1_SIMPLE(PKCS7_RECIP_INFO, key_enc_algor, X509_ALGOR), + ASN1_SIMPLE(PKCS7_RECIP_INFO, enc_key, ASN1_OCTET_STRING) +} ASN1_SEQUENCE_END_cb(PKCS7_RECIP_INFO, PKCS7_RECIP_INFO) + +IMPLEMENT_ASN1_FUNCTIONS(PKCS7_RECIP_INFO) + +ASN1_NDEF_SEQUENCE(PKCS7_ENC_CONTENT) = { + ASN1_SIMPLE(PKCS7_ENC_CONTENT, content_type, ASN1_OBJECT), + ASN1_SIMPLE(PKCS7_ENC_CONTENT, algorithm, X509_ALGOR), + ASN1_IMP_OPT(PKCS7_ENC_CONTENT, enc_data, ASN1_OCTET_STRING, 0) +} ASN1_NDEF_SEQUENCE_END(PKCS7_ENC_CONTENT) + +IMPLEMENT_ASN1_FUNCTIONS(PKCS7_ENC_CONTENT) + +ASN1_NDEF_SEQUENCE(PKCS7_SIGN_ENVELOPE) = { + ASN1_SIMPLE(PKCS7_SIGN_ENVELOPE, version, ASN1_INTEGER), + ASN1_SET_OF(PKCS7_SIGN_ENVELOPE, recipientinfo, PKCS7_RECIP_INFO), + ASN1_SET_OF(PKCS7_SIGN_ENVELOPE, md_algs, X509_ALGOR), + ASN1_SIMPLE(PKCS7_SIGN_ENVELOPE, enc_data, PKCS7_ENC_CONTENT), + ASN1_IMP_SET_OF_OPT(PKCS7_SIGN_ENVELOPE, cert, X509, 0), + ASN1_IMP_SET_OF_OPT(PKCS7_SIGN_ENVELOPE, crl, X509_CRL, 1), + ASN1_SET_OF(PKCS7_SIGN_ENVELOPE, signer_info, PKCS7_SIGNER_INFO) +} ASN1_NDEF_SEQUENCE_END(PKCS7_SIGN_ENVELOPE) + +IMPLEMENT_ASN1_FUNCTIONS(PKCS7_SIGN_ENVELOPE) + +ASN1_NDEF_SEQUENCE(PKCS7_ENCRYPT) = { + ASN1_SIMPLE(PKCS7_ENCRYPT, version, ASN1_INTEGER), + ASN1_SIMPLE(PKCS7_ENCRYPT, enc_data, PKCS7_ENC_CONTENT) +} ASN1_NDEF_SEQUENCE_END(PKCS7_ENCRYPT) + +IMPLEMENT_ASN1_FUNCTIONS(PKCS7_ENCRYPT) + +ASN1_NDEF_SEQUENCE(PKCS7_DIGEST) = { + ASN1_SIMPLE(PKCS7_DIGEST, version, ASN1_INTEGER), + ASN1_SIMPLE(PKCS7_DIGEST, md, X509_ALGOR), + ASN1_SIMPLE(PKCS7_DIGEST, contents, PKCS7), + ASN1_SIMPLE(PKCS7_DIGEST, digest, ASN1_OCTET_STRING) +} ASN1_NDEF_SEQUENCE_END(PKCS7_DIGEST) + +IMPLEMENT_ASN1_FUNCTIONS(PKCS7_DIGEST) + +/* Specials for authenticated attributes */ + +/* When signing attributes we want to reorder them to match the sorted + * encoding. + */ + +ASN1_ITEM_TEMPLATE(PKCS7_ATTR_SIGN) = + ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SET_ORDER, 0, PKCS7_ATTRIBUTES, X509_ATTRIBUTE) +ASN1_ITEM_TEMPLATE_END(PKCS7_ATTR_SIGN) + +/* When verifying attributes we need to use the received order. So + * we use SEQUENCE OF and tag it to SET OF + */ + +ASN1_ITEM_TEMPLATE(PKCS7_ATTR_VERIFY) = + ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF | ASN1_TFLG_IMPTAG | ASN1_TFLG_UNIVERSAL, + V_ASN1_SET, PKCS7_ATTRIBUTES, X509_ATTRIBUTE) +ASN1_ITEM_TEMPLATE_END(PKCS7_ATTR_VERIFY) diff --git a/Cryptlib/OpenSSL/crypto/pkcs7/pk7_attr.c b/Cryptlib/OpenSSL/crypto/pkcs7/pk7_attr.c new file mode 100755 index 00000000..d5497171 --- /dev/null +++ b/Cryptlib/OpenSSL/crypto/pkcs7/pk7_attr.c @@ -0,0 +1,141 @@ +/* pk7_attr.c */ +/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL + * project 2001. + */ +/* ==================================================================== + * Copyright (c) 2001-2004 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * licensing@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#include <stdio.h> +#include <stdlib.h> +#include <openssl/bio.h> +#include <openssl/asn1.h> +#include <openssl/pem.h> +#include <openssl/pkcs7.h> +#include <openssl/x509.h> +#include <openssl/err.h> + +int PKCS7_add_attrib_smimecap(PKCS7_SIGNER_INFO *si, STACK_OF(X509_ALGOR) *cap) +{ + ASN1_STRING *seq; + unsigned char *p, *pp; + int len; + len=i2d_ASN1_SET_OF_X509_ALGOR(cap,NULL,i2d_X509_ALGOR, + V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL, + IS_SEQUENCE); + if(!(pp=(unsigned char *)OPENSSL_malloc(len))) { + PKCS7err(PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP,ERR_R_MALLOC_FAILURE); + return 0; + } + p=pp; + i2d_ASN1_SET_OF_X509_ALGOR(cap,&p,i2d_X509_ALGOR, V_ASN1_SEQUENCE, + V_ASN1_UNIVERSAL, IS_SEQUENCE); + if(!(seq = ASN1_STRING_new())) { + PKCS7err(PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP,ERR_R_MALLOC_FAILURE); + return 0; + } + if(!ASN1_STRING_set (seq, pp, len)) { + PKCS7err(PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP,ERR_R_MALLOC_FAILURE); + return 0; + } + OPENSSL_free (pp); + return PKCS7_add_signed_attribute(si, NID_SMIMECapabilities, + V_ASN1_SEQUENCE, seq); +} + +STACK_OF(X509_ALGOR) *PKCS7_get_smimecap(PKCS7_SIGNER_INFO *si) + { + ASN1_TYPE *cap; + const unsigned char *p; + + cap = PKCS7_get_signed_attribute(si, NID_SMIMECapabilities); + if (!cap || (cap->type != V_ASN1_SEQUENCE)) + return NULL; + p = cap->value.sequence->data; + return d2i_ASN1_SET_OF_X509_ALGOR(NULL, &p, + cap->value.sequence->length, + d2i_X509_ALGOR, X509_ALGOR_free, + V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL); + } + +/* Basic smime-capabilities OID and optional integer arg */ +int PKCS7_simple_smimecap(STACK_OF(X509_ALGOR) *sk, int nid, int arg) +{ + X509_ALGOR *alg; + + if(!(alg = X509_ALGOR_new())) { + PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE); + return 0; + } + ASN1_OBJECT_free(alg->algorithm); + alg->algorithm = OBJ_nid2obj (nid); + if (arg > 0) { + ASN1_INTEGER *nbit; + if(!(alg->parameter = ASN1_TYPE_new())) { + PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE); + return 0; + } + if(!(nbit = ASN1_INTEGER_new())) { + PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE); + return 0; + } + if(!ASN1_INTEGER_set (nbit, arg)) { + PKCS7err(PKCS7_F_PKCS7_SIMPLE_SMIMECAP,ERR_R_MALLOC_FAILURE); + return 0; + } + alg->parameter->value.integer = nbit; + alg->parameter->type = V_ASN1_INTEGER; + } + sk_X509_ALGOR_push (sk, alg); + return 1; +} diff --git a/Cryptlib/OpenSSL/crypto/pkcs7/pk7_doit.c b/Cryptlib/OpenSSL/crypto/pkcs7/pk7_doit.c new file mode 100755 index 00000000..8b3024e7 --- /dev/null +++ b/Cryptlib/OpenSSL/crypto/pkcs7/pk7_doit.c @@ -0,0 +1,1177 @@ +/* crypto/pkcs7/pk7_doit.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +#include <stdio.h> +#include "cryptlib.h" +#include <openssl/rand.h> +#include <openssl/objects.h> +#include <openssl/x509.h> +#include <openssl/x509v3.h> +#include <openssl/err.h> + +static int add_attribute(STACK_OF(X509_ATTRIBUTE) **sk, int nid, int atrtype, + void *value); +static ASN1_TYPE *get_attribute(STACK_OF(X509_ATTRIBUTE) *sk, int nid); + +static int PKCS7_type_is_other(PKCS7* p7) + { + int isOther=1; + + int nid=OBJ_obj2nid(p7->type); + + switch( nid ) + { + case NID_pkcs7_data: + case NID_pkcs7_signed: + case NID_pkcs7_enveloped: + case NID_pkcs7_signedAndEnveloped: + case NID_pkcs7_digest: + case NID_pkcs7_encrypted: + isOther=0; + break; + default: + isOther=1; + } + + return isOther; + + } + +static ASN1_OCTET_STRING *PKCS7_get_octet_string(PKCS7 *p7) + { + if ( PKCS7_type_is_data(p7)) + return p7->d.data; + if ( PKCS7_type_is_other(p7) && p7->d.other + && (p7->d.other->type == V_ASN1_OCTET_STRING)) + return p7->d.other->value.octet_string; + return NULL; + } + +static int PKCS7_bio_add_digest(BIO **pbio, X509_ALGOR *alg) + { + BIO *btmp; + const EVP_MD *md; + if ((btmp=BIO_new(BIO_f_md())) == NULL) + { + PKCS7err(PKCS7_F_PKCS7_BIO_ADD_DIGEST,ERR_R_BIO_LIB); + goto err; + } + + md=EVP_get_digestbyobj(alg->algorithm); + if (md == NULL) + { + PKCS7err(PKCS7_F_PKCS7_BIO_ADD_DIGEST,PKCS7_R_UNKNOWN_DIGEST_TYPE); + goto err; + } + + BIO_set_md(btmp,md); + if (*pbio == NULL) + *pbio=btmp; + else if (!BIO_push(*pbio,btmp)) + { + PKCS7err(PKCS7_F_PKCS7_BIO_ADD_DIGEST,ERR_R_BIO_LIB); + goto err; + } + btmp=NULL; + + return 1; + + err: + if (btmp) + BIO_free(btmp); + return 0; + + } + +BIO *PKCS7_dataInit(PKCS7 *p7, BIO *bio) + { + int i; + BIO *out=NULL,*btmp=NULL; + X509_ALGOR *xa = NULL; + const EVP_CIPHER *evp_cipher=NULL; + STACK_OF(X509_ALGOR) *md_sk=NULL; + STACK_OF(PKCS7_RECIP_INFO) *rsk=NULL; + X509_ALGOR *xalg=NULL; + PKCS7_RECIP_INFO *ri=NULL; + EVP_PKEY *pkey; + ASN1_OCTET_STRING *os=NULL; + + i=OBJ_obj2nid(p7->type); + p7->state=PKCS7_S_HEADER; + + switch (i) + { + case NID_pkcs7_signed: + md_sk=p7->d.sign->md_algs; + os = PKCS7_get_octet_string(p7->d.sign->contents); + break; + case NID_pkcs7_signedAndEnveloped: + rsk=p7->d.signed_and_enveloped->recipientinfo; + md_sk=p7->d.signed_and_enveloped->md_algs; + xalg=p7->d.signed_and_enveloped->enc_data->algorithm; + evp_cipher=p7->d.signed_and_enveloped->enc_data->cipher; + if (evp_cipher == NULL) + { + PKCS7err(PKCS7_F_PKCS7_DATAINIT, + PKCS7_R_CIPHER_NOT_INITIALIZED); + goto err; + } + break; + case NID_pkcs7_enveloped: + rsk=p7->d.enveloped->recipientinfo; + xalg=p7->d.enveloped->enc_data->algorithm; + evp_cipher=p7->d.enveloped->enc_data->cipher; + if (evp_cipher == NULL) + { + PKCS7err(PKCS7_F_PKCS7_DATAINIT, + PKCS7_R_CIPHER_NOT_INITIALIZED); + goto err; + } + break; + case NID_pkcs7_digest: + xa = p7->d.digest->md; + os = PKCS7_get_octet_string(p7->d.digest->contents); + break; + default: + PKCS7err(PKCS7_F_PKCS7_DATAINIT,PKCS7_R_UNSUPPORTED_CONTENT_TYPE); + goto err; + } + + for (i=0; i<sk_X509_ALGOR_num(md_sk); i++) + if (!PKCS7_bio_add_digest(&out, sk_X509_ALGOR_value(md_sk, i))) + goto err; + + if (xa && !PKCS7_bio_add_digest(&out, xa)) + goto err; + + if (evp_cipher != NULL) + { + unsigned char key[EVP_MAX_KEY_LENGTH]; + unsigned char iv[EVP_MAX_IV_LENGTH]; + int keylen,ivlen; + int jj,max; + unsigned char *tmp; + EVP_CIPHER_CTX *ctx; + + if ((btmp=BIO_new(BIO_f_cipher())) == NULL) + { + PKCS7err(PKCS7_F_PKCS7_DATAINIT,ERR_R_BIO_LIB); + goto err; + } + BIO_get_cipher_ctx(btmp, &ctx); + keylen=EVP_CIPHER_key_length(evp_cipher); + ivlen=EVP_CIPHER_iv_length(evp_cipher); + xalg->algorithm = OBJ_nid2obj(EVP_CIPHER_type(evp_cipher)); + if (ivlen > 0) + if (RAND_pseudo_bytes(iv,ivlen) <= 0) + goto err; + if (EVP_CipherInit_ex(ctx, evp_cipher, NULL, NULL, NULL, 1)<=0) + goto err; + if (EVP_CIPHER_CTX_rand_key(ctx, key) <= 0) + goto err; + if (EVP_CipherInit_ex(ctx, NULL, NULL, key, iv, 1) <= 0) + goto err; + + if (ivlen > 0) { + if (xalg->parameter == NULL) { + xalg->parameter = ASN1_TYPE_new(); + if (xalg->parameter == NULL) + goto err; + } + if(EVP_CIPHER_param_to_asn1(ctx, xalg->parameter) < 0) + goto err; + } + + /* Lets do the pub key stuff :-) */ + max=0; + for (i=0; i<sk_PKCS7_RECIP_INFO_num(rsk); i++) + { + ri=sk_PKCS7_RECIP_INFO_value(rsk,i); + if (ri->cert == NULL) + { + PKCS7err(PKCS7_F_PKCS7_DATAINIT,PKCS7_R_MISSING_CERIPEND_INFO); + goto err; + } + if ((pkey=X509_get_pubkey(ri->cert)) == NULL) + goto err; + jj=EVP_PKEY_size(pkey); + EVP_PKEY_free(pkey); + if (max < jj) max=jj; + } + if ((tmp=(unsigned char *)OPENSSL_malloc(max)) == NULL) + { + PKCS7err(PKCS7_F_PKCS7_DATAINIT,ERR_R_MALLOC_FAILURE); + goto err; + } + for (i=0; i<sk_PKCS7_RECIP_INFO_num(rsk); i++) + { + ri=sk_PKCS7_RECIP_INFO_value(rsk,i); + if ((pkey=X509_get_pubkey(ri->cert)) == NULL) + goto err; + jj=EVP_PKEY_encrypt(tmp,key,keylen,pkey); + EVP_PKEY_free(pkey); + if (jj <= 0) + { + PKCS7err(PKCS7_F_PKCS7_DATAINIT,ERR_R_EVP_LIB); + OPENSSL_free(tmp); + goto err; + } + if (!M_ASN1_OCTET_STRING_set(ri->enc_key,tmp,jj)) + { + PKCS7err(PKCS7_F_PKCS7_DATAINIT, + ERR_R_MALLOC_FAILURE); + OPENSSL_free(tmp); + goto err; + } + } + OPENSSL_free(tmp); + OPENSSL_cleanse(key, keylen); + + if (out == NULL) + out=btmp; + else + BIO_push(out,btmp); + btmp=NULL; + } + + if (bio == NULL) + { + if (PKCS7_is_detached(p7)) + bio=BIO_new(BIO_s_null()); + else if (os && os->length > 0) + bio = BIO_new_mem_buf(os->data, os->length); + if(bio == NULL) + { + bio=BIO_new(BIO_s_mem()); + if (bio == NULL) + goto err; + BIO_set_mem_eof_return(bio,0); + } + } + BIO_push(out,bio); + bio=NULL; + if (0) + { +err: + if (out != NULL) + BIO_free_all(out); + if (btmp != NULL) + BIO_free_all(btmp); + out=NULL; + } + return(out); + } + +static int pkcs7_cmp_ri(PKCS7_RECIP_INFO *ri, X509 *pcert) + { + int ret; + ret = X509_NAME_cmp(ri->issuer_and_serial->issuer, + pcert->cert_info->issuer); + if (ret) + return ret; + return M_ASN1_INTEGER_cmp(pcert->cert_info->serialNumber, + ri->issuer_and_serial->serial); + } + +/* int */ +BIO *PKCS7_dataDecode(PKCS7 *p7, EVP_PKEY *pkey, BIO *in_bio, X509 *pcert) + { + int i,j; + BIO *out=NULL,*btmp=NULL,*etmp=NULL,*bio=NULL; + unsigned char *tmp=NULL; + X509_ALGOR *xa; + ASN1_OCTET_STRING *data_body=NULL; + const EVP_MD *evp_md; + const EVP_CIPHER *evp_cipher=NULL; + EVP_CIPHER_CTX *evp_ctx=NULL; + X509_ALGOR *enc_alg=NULL; + STACK_OF(X509_ALGOR) *md_sk=NULL; + STACK_OF(PKCS7_RECIP_INFO) *rsk=NULL; + PKCS7_RECIP_INFO *ri=NULL; + + i=OBJ_obj2nid(p7->type); + p7->state=PKCS7_S_HEADER; + + switch (i) + { + case NID_pkcs7_signed: + data_body=PKCS7_get_octet_string(p7->d.sign->contents); + md_sk=p7->d.sign->md_algs; + break; + case NID_pkcs7_signedAndEnveloped: + rsk=p7->d.signed_and_enveloped->recipientinfo; + md_sk=p7->d.signed_and_enveloped->md_algs; + data_body=p7->d.signed_and_enveloped->enc_data->enc_data; + enc_alg=p7->d.signed_and_enveloped->enc_data->algorithm; + evp_cipher=EVP_get_cipherbyobj(enc_alg->algorithm); + if (evp_cipher == NULL) + { + PKCS7err(PKCS7_F_PKCS7_DATADECODE,PKCS7_R_UNSUPPORTED_CIPHER_TYPE); + goto err; + } + break; + case NID_pkcs7_enveloped: + rsk=p7->d.enveloped->recipientinfo; + enc_alg=p7->d.enveloped->enc_data->algorithm; + data_body=p7->d.enveloped->enc_data->enc_data; + evp_cipher=EVP_get_cipherbyobj(enc_alg->algorithm); + if (evp_cipher == NULL) + { + PKCS7err(PKCS7_F_PKCS7_DATADECODE,PKCS7_R_UNSUPPORTED_CIPHER_TYPE); + goto err; + } + break; + default: + PKCS7err(PKCS7_F_PKCS7_DATADECODE,PKCS7_R_UNSUPPORTED_CONTENT_TYPE); + goto err; + } + + /* We will be checking the signature */ + if (md_sk != NULL) + { + for (i=0; i<sk_X509_ALGOR_num(md_sk); i++) + { + xa=sk_X509_ALGOR_value(md_sk,i); + if ((btmp=BIO_new(BIO_f_md())) == NULL) + { + PKCS7err(PKCS7_F_PKCS7_DATADECODE,ERR_R_BIO_LIB); + goto err; + } + + j=OBJ_obj2nid(xa->algorithm); + evp_md=EVP_get_digestbynid(j); + if (evp_md == NULL) + { + PKCS7err(PKCS7_F_PKCS7_DATADECODE,PKCS7_R_UNKNOWN_DIGEST_TYPE); + goto err; + } + + BIO_set_md(btmp,evp_md); + if (out == NULL) + out=btmp; + else + BIO_push(out,btmp); + btmp=NULL; + } + } + + if (evp_cipher != NULL) + { +#if 0 + unsigned char key[EVP_MAX_KEY_LENGTH]; + unsigned char iv[EVP_MAX_IV_LENGTH]; + unsigned char *p; + int keylen,ivlen; + int max; + X509_OBJECT ret; +#endif + unsigned char *tkey = NULL; + int tkeylen; + int jj; + + if ((etmp=BIO_new(BIO_f_cipher())) == NULL) + { + PKCS7err(PKCS7_F_PKCS7_DATADECODE,ERR_R_BIO_LIB); + goto err; + } + + /* It was encrypted, we need to decrypt the secret key + * with the private key */ + + /* Find the recipientInfo which matches the passed certificate + * (if any) + */ + + if (pcert) { + for (i=0; i<sk_PKCS7_RECIP_INFO_num(rsk); i++) { + ri=sk_PKCS7_RECIP_INFO_value(rsk,i); + if (!pkcs7_cmp_ri(ri, pcert)) + break; + ri=NULL; + } + if (ri == NULL) { + PKCS7err(PKCS7_F_PKCS7_DATADECODE, + PKCS7_R_NO_RECIPIENT_MATCHES_CERTIFICATE); + goto err; + } + } + + jj=EVP_PKEY_size(pkey); + tmp=(unsigned char *)OPENSSL_malloc(jj+10); + if (tmp == NULL) + { + PKCS7err(PKCS7_F_PKCS7_DATADECODE,ERR_R_MALLOC_FAILURE); + goto err; + } + + /* If we haven't got a certificate try each ri in turn */ + + if (pcert == NULL) + { + /* Temporary storage in case EVP_PKEY_decrypt + * overwrites output buffer on error. + */ + unsigned char *tmp2; + tmp2 = OPENSSL_malloc(jj); + if (!tmp2) + goto err; + jj = -1; + /* Always attempt to decrypt all cases to avoid + * leaking timing information about a successful + * decrypt. + */ + for (i=0; i<sk_PKCS7_RECIP_INFO_num(rsk); i++) + { + int tret; + ri=sk_PKCS7_RECIP_INFO_value(rsk,i); + tret=EVP_PKEY_decrypt(tmp2, + M_ASN1_STRING_data(ri->enc_key), + M_ASN1_STRING_length(ri->enc_key), + pkey); + if (tret > 0) + { + memcpy(tmp, tmp2, tret); + OPENSSL_cleanse(tmp2, tret); + jj = tret; + } + ERR_clear_error(); + } + OPENSSL_free(tmp2); + } + else + { + jj=EVP_PKEY_decrypt(tmp, + M_ASN1_STRING_data(ri->enc_key), + M_ASN1_STRING_length(ri->enc_key), pkey); + ERR_clear_error(); + } + + evp_ctx=NULL; + BIO_get_cipher_ctx(etmp,&evp_ctx); + if (EVP_CipherInit_ex(evp_ctx,evp_cipher,NULL,NULL,NULL,0) <= 0) + goto err; + if (EVP_CIPHER_asn1_to_param(evp_ctx,enc_alg->parameter) < 0) + goto err; + /* Generate random key to counter MMA */ + tkeylen = EVP_CIPHER_CTX_key_length(evp_ctx); + tkey = OPENSSL_malloc(tkeylen); + if (!tkey) + goto err; + if (EVP_CIPHER_CTX_rand_key(evp_ctx, tkey) <= 0) + goto err; + /* If we have no key use random key */ + if (jj <= 0) + { + OPENSSL_free(tmp); + jj = tkeylen; + tmp = tkey; + tkey = NULL; + } + + if (jj != tkeylen) { + /* Some S/MIME clients don't use the same key + * and effective key length. The key length is + * determined by the size of the decrypted RSA key. + */ + if(!EVP_CIPHER_CTX_set_key_length(evp_ctx, jj)) + { + /* As MMA defence use random key instead */ + OPENSSL_cleanse(tmp, jj); + OPENSSL_free(tmp); + jj = tkeylen; + tmp = tkey; + tkey = NULL; + } + } + ERR_clear_error(); + if (EVP_CipherInit_ex(evp_ctx,NULL,NULL,tmp,NULL,0) <= 0) + goto err; + + OPENSSL_cleanse(tmp,jj); + + if (tkey) + { + OPENSSL_cleanse(tkey, tkeylen); + OPENSSL_free(tkey); + } + + if (out == NULL) + out=etmp; + else + BIO_push(out,etmp); + etmp=NULL; + } + +#if 1 + if (PKCS7_is_detached(p7) || (in_bio != NULL)) + { + bio=in_bio; + } + else + { +#if 0 + bio=BIO_new(BIO_s_mem()); + /* We need to set this so that when we have read all + * the data, the encrypt BIO, if present, will read + * EOF and encode the last few bytes */ + BIO_set_mem_eof_return(bio,0); + + if (data_body->length > 0) + BIO_write(bio,(char *)data_body->data,data_body->length); +#else + if (data_body->length > 0) + bio = BIO_new_mem_buf(data_body->data,data_body->length); + else { + bio=BIO_new(BIO_s_mem()); + BIO_set_mem_eof_return(bio,0); + } + if (bio == NULL) + goto err; +#endif + } + BIO_push(out,bio); + bio=NULL; +#endif + if (0) + { +err: + if (out != NULL) BIO_free_all(out); + if (btmp != NULL) BIO_free_all(btmp); + if (etmp != NULL) BIO_free_all(etmp); + if (bio != NULL) BIO_free_all(bio); + out=NULL; + } + if (tmp != NULL) + OPENSSL_free(tmp); + return(out); + } + +static BIO *PKCS7_find_digest(EVP_MD_CTX **pmd, BIO *bio, int nid) + { + for (;;) + { + bio=BIO_find_type(bio,BIO_TYPE_MD); + if (bio == NULL) + { + PKCS7err(PKCS7_F_PKCS7_FIND_DIGEST,PKCS7_R_UNABLE_TO_FIND_MESSAGE_DIGEST); + return NULL; + } + BIO_get_md_ctx(bio,pmd); + if (*pmd == NULL) + { + PKCS7err(PKCS7_F_PKCS7_FIND_DIGEST,ERR_R_INTERNAL_ERROR); + return NULL; + } + if (EVP_MD_CTX_type(*pmd) == nid) + return bio; + bio=BIO_next(bio); + } + return NULL; + } + +int PKCS7_dataFinal(PKCS7 *p7, BIO *bio) + { + int ret=0; + int i,j; + BIO *btmp; + BUF_MEM *buf_mem=NULL; + BUF_MEM *buf=NULL; + PKCS7_SIGNER_INFO *si; + EVP_MD_CTX *mdc,ctx_tmp; + STACK_OF(X509_ATTRIBUTE) *sk; + STACK_OF(PKCS7_SIGNER_INFO) *si_sk=NULL; + ASN1_OCTET_STRING *os=NULL; + + EVP_MD_CTX_init(&ctx_tmp); + i=OBJ_obj2nid(p7->type); + p7->state=PKCS7_S_HEADER; + + switch (i) + { + case NID_pkcs7_signedAndEnveloped: + /* XXXXXXXXXXXXXXXX */ + si_sk=p7->d.signed_and_enveloped->signer_info; + if (!(os=M_ASN1_OCTET_STRING_new())) + { + PKCS7err(PKCS7_F_PKCS7_DATAFINAL,ERR_R_MALLOC_FAILURE); + goto err; + } + p7->d.signed_and_enveloped->enc_data->enc_data=os; + break; + case NID_pkcs7_enveloped: + /* XXXXXXXXXXXXXXXX */ + if (!(os=M_ASN1_OCTET_STRING_new())) + { + PKCS7err(PKCS7_F_PKCS7_DATAFINAL,ERR_R_MALLOC_FAILURE); + goto err; + } + p7->d.enveloped->enc_data->enc_data=os; + break; + case NID_pkcs7_signed: + si_sk=p7->d.sign->signer_info; + os=PKCS7_get_octet_string(p7->d.sign->contents); + /* If detached data then the content is excluded */ + if(PKCS7_type_is_data(p7->d.sign->contents) && p7->detached) { + M_ASN1_OCTET_STRING_free(os); + p7->d.sign->contents->d.data = NULL; + } + break; + + case NID_pkcs7_digest: + os=PKCS7_get_octet_string(p7->d.digest->contents); + /* If detached data then the content is excluded */ + if(PKCS7_type_is_data(p7->d.digest->contents) && p7->detached) + { + M_ASN1_OCTET_STRING_free(os); + p7->d.digest->contents->d.data = NULL; + } + break; + + } + + if (si_sk != NULL) + { + if ((buf=BUF_MEM_new()) == NULL) + { + PKCS7err(PKCS7_F_PKCS7_DATAFINAL,ERR_R_BIO_LIB); + goto err; + } + for (i=0; i<sk_PKCS7_SIGNER_INFO_num(si_sk); i++) + { + si=sk_PKCS7_SIGNER_INFO_value(si_sk,i); + if (si->pkey == NULL) continue; + + j=OBJ_obj2nid(si->digest_alg->algorithm); + + btmp=bio; + + btmp = PKCS7_find_digest(&mdc, btmp, j); + + if (btmp == NULL) + goto err; + + /* We now have the EVP_MD_CTX, lets do the + * signing. */ + EVP_MD_CTX_copy_ex(&ctx_tmp,mdc); + if (!BUF_MEM_grow_clean(buf,EVP_PKEY_size(si->pkey))) + { + PKCS7err(PKCS7_F_PKCS7_DATAFINAL,ERR_R_BIO_LIB); + goto err; + } + + sk=si->auth_attr; + + /* If there are attributes, we add the digest + * attribute and only sign the attributes */ + if ((sk != NULL) && (sk_X509_ATTRIBUTE_num(sk) != 0)) + { + unsigned char md_data[EVP_MAX_MD_SIZE], *abuf=NULL; + unsigned int md_len, alen; + ASN1_OCTET_STRING *digest; + ASN1_UTCTIME *sign_time; + const EVP_MD *md_tmp; + + /* Add signing time if not already present */ + if (!PKCS7_get_signed_attribute(si, + NID_pkcs9_signingTime)) + { + if (!(sign_time=X509_gmtime_adj(NULL,0))) + { + PKCS7err(PKCS7_F_PKCS7_DATAFINAL, + ERR_R_MALLOC_FAILURE); + goto err; + } + if (!PKCS7_add_signed_attribute(si, + NID_pkcs9_signingTime, + V_ASN1_UTCTIME,sign_time)) + { + M_ASN1_UTCTIME_free(sign_time); + goto err; + } + } + + /* Add digest */ + md_tmp=EVP_MD_CTX_md(&ctx_tmp); + EVP_DigestFinal_ex(&ctx_tmp,md_data,&md_len); + if (!(digest=M_ASN1_OCTET_STRING_new())) + { + PKCS7err(PKCS7_F_PKCS7_DATAFINAL, + ERR_R_MALLOC_FAILURE); + goto err; + } + if (!M_ASN1_OCTET_STRING_set(digest,md_data, + md_len)) + { + PKCS7err(PKCS7_F_PKCS7_DATAFINAL, + ERR_R_MALLOC_FAILURE); + M_ASN1_OCTET_STRING_free(digest); + goto err; + } + if (!PKCS7_add_signed_attribute(si, + NID_pkcs9_messageDigest, + V_ASN1_OCTET_STRING,digest)) + { + M_ASN1_OCTET_STRING_free(digest); + goto err; + } + + /* Now sign the attributes */ + EVP_SignInit_ex(&ctx_tmp,md_tmp,NULL); + alen = ASN1_item_i2d((ASN1_VALUE *)sk,&abuf, + ASN1_ITEM_rptr(PKCS7_ATTR_SIGN)); + if(!abuf) goto err; + EVP_SignUpdate(&ctx_tmp,abuf,alen); + OPENSSL_free(abuf); + } + +#ifndef OPENSSL_NO_DSA + if (si->pkey->type == EVP_PKEY_DSA) + ctx_tmp.digest=EVP_dss1(); +#endif +#ifndef OPENSSL_NO_ECDSA + if (si->pkey->type == EVP_PKEY_EC) + ctx_tmp.digest=EVP_ecdsa(); +#endif + + if (!EVP_SignFinal(&ctx_tmp,(unsigned char *)buf->data, + (unsigned int *)&buf->length,si->pkey)) + { + PKCS7err(PKCS7_F_PKCS7_DATAFINAL,ERR_R_EVP_LIB); + goto err; + } + if (!ASN1_STRING_set(si->enc_digest, + (unsigned char *)buf->data,buf->length)) + { + PKCS7err(PKCS7_F_PKCS7_DATAFINAL,ERR_R_ASN1_LIB); + goto err; + } + } + } + else if (i == NID_pkcs7_digest) + { + unsigned char md_data[EVP_MAX_MD_SIZE]; + unsigned int md_len; + if (!PKCS7_find_digest(&mdc, bio, + OBJ_obj2nid(p7->d.digest->md->algorithm))) + goto err; + EVP_DigestFinal_ex(mdc,md_data,&md_len); + M_ASN1_OCTET_STRING_set(p7->d.digest->digest, md_data, md_len); + } + + if (!PKCS7_is_detached(p7)) + { + btmp=BIO_find_type(bio,BIO_TYPE_MEM); + if (btmp == NULL) + { + PKCS7err(PKCS7_F_PKCS7_DATAFINAL,PKCS7_R_UNABLE_TO_FIND_MEM_BIO); + goto err; + } + BIO_get_mem_ptr(btmp,&buf_mem); + /* Mark the BIO read only then we can use its copy of the data + * instead of making an extra copy. + */ + BIO_set_flags(btmp, BIO_FLAGS_MEM_RDONLY); + BIO_set_mem_eof_return(btmp, 0); + os->data = (unsigned char *)buf_mem->data; + os->length = buf_mem->length; +#if 0 + M_ASN1_OCTET_STRING_set(os, + (unsigned char *)buf_mem->data,buf_mem->length); +#endif + } + ret=1; +err: + EVP_MD_CTX_cleanup(&ctx_tmp); + if (buf != NULL) BUF_MEM_free(buf); + return(ret); + } + +int PKCS7_dataVerify(X509_STORE *cert_store, X509_STORE_CTX *ctx, BIO *bio, + PKCS7 *p7, PKCS7_SIGNER_INFO *si) + { + PKCS7_ISSUER_AND_SERIAL *ias; + int ret=0,i; + STACK_OF(X509) *cert; + X509 *x509; + + if (PKCS7_type_is_signed(p7)) + { + cert=p7->d.sign->cert; + } + else if (PKCS7_type_is_signedAndEnveloped(p7)) + { + cert=p7->d.signed_and_enveloped->cert; + } + else + { + PKCS7err(PKCS7_F_PKCS7_DATAVERIFY,PKCS7_R_WRONG_PKCS7_TYPE); + goto err; + } + /* XXXXXXXXXXXXXXXXXXXXXXX */ + ias=si->issuer_and_serial; + + x509=X509_find_by_issuer_and_serial(cert,ias->issuer,ias->serial); + + /* were we able to find the cert in passed to us */ + if (x509 == NULL) + { + PKCS7err(PKCS7_F_PKCS7_DATAVERIFY,PKCS7_R_UNABLE_TO_FIND_CERTIFICATE); + goto err; + } + + /* Lets verify */ + if(!X509_STORE_CTX_init(ctx,cert_store,x509,cert)) + { + PKCS7err(PKCS7_F_PKCS7_DATAVERIFY,ERR_R_X509_LIB); + goto err; + } + X509_STORE_CTX_set_purpose(ctx, X509_PURPOSE_SMIME_SIGN); + i=X509_verify_cert(ctx); + if (i <= 0) + { + PKCS7err(PKCS7_F_PKCS7_DATAVERIFY,ERR_R_X509_LIB); + X509_STORE_CTX_cleanup(ctx); + goto err; + } + X509_STORE_CTX_cleanup(ctx); + + return PKCS7_signatureVerify(bio, p7, si, x509); + err: + return ret; + } + +int PKCS7_signatureVerify(BIO *bio, PKCS7 *p7, PKCS7_SIGNER_INFO *si, + X509 *x509) + { + ASN1_OCTET_STRING *os; + EVP_MD_CTX mdc_tmp,*mdc; + int ret=0,i; + int md_type; + STACK_OF(X509_ATTRIBUTE) *sk; + BIO *btmp; + EVP_PKEY *pkey; + + EVP_MD_CTX_init(&mdc_tmp); + + if (!PKCS7_type_is_signed(p7) && + !PKCS7_type_is_signedAndEnveloped(p7)) { + PKCS7err(PKCS7_F_PKCS7_SIGNATUREVERIFY, + PKCS7_R_WRONG_PKCS7_TYPE); + goto err; + } + + md_type=OBJ_obj2nid(si->digest_alg->algorithm); + + btmp=bio; + for (;;) + { + if ((btmp == NULL) || + ((btmp=BIO_find_type(btmp,BIO_TYPE_MD)) == NULL)) + { + PKCS7err(PKCS7_F_PKCS7_SIGNATUREVERIFY, + PKCS7_R_UNABLE_TO_FIND_MESSAGE_DIGEST); + goto err; + } + BIO_get_md_ctx(btmp,&mdc); + if (mdc == NULL) + { + PKCS7err(PKCS7_F_PKCS7_SIGNATUREVERIFY, + ERR_R_INTERNAL_ERROR); + goto err; + } + if (EVP_MD_CTX_type(mdc) == md_type) + break; + /* Workaround for some broken clients that put the signature + * OID instead of the digest OID in digest_alg->algorithm + */ + if (EVP_MD_pkey_type(EVP_MD_CTX_md(mdc)) == md_type) + break; + btmp=BIO_next(btmp); + } + + /* mdc is the digest ctx that we want, unless there are attributes, + * in which case the digest is the signed attributes */ + EVP_MD_CTX_copy_ex(&mdc_tmp,mdc); + + sk=si->auth_attr; + if ((sk != NULL) && (sk_X509_ATTRIBUTE_num(sk) != 0)) + { + unsigned char md_dat[EVP_MAX_MD_SIZE], *abuf = NULL; + unsigned int md_len, alen; + ASN1_OCTET_STRING *message_digest; + + EVP_DigestFinal_ex(&mdc_tmp,md_dat,&md_len); + message_digest=PKCS7_digest_from_attributes(sk); + if (!message_digest) + { + PKCS7err(PKCS7_F_PKCS7_SIGNATUREVERIFY, + PKCS7_R_UNABLE_TO_FIND_MESSAGE_DIGEST); + goto err; + } + if ((message_digest->length != (int)md_len) || + (memcmp(message_digest->data,md_dat,md_len))) + { +#if 0 +{ +int ii; +for (ii=0; ii<message_digest->length; ii++) + printf("%02X",message_digest->data[ii]); printf(" sent\n"); +for (ii=0; ii<md_len; ii++) printf("%02X",md_dat[ii]); printf(" calc\n"); +} +#endif + PKCS7err(PKCS7_F_PKCS7_SIGNATUREVERIFY, + PKCS7_R_DIGEST_FAILURE); + ret= -1; + goto err; + } + + EVP_VerifyInit_ex(&mdc_tmp,EVP_get_digestbynid(md_type), NULL); + + alen = ASN1_item_i2d((ASN1_VALUE *)sk, &abuf, + ASN1_ITEM_rptr(PKCS7_ATTR_VERIFY)); + EVP_VerifyUpdate(&mdc_tmp, abuf, alen); + + OPENSSL_free(abuf); + } + + os=si->enc_digest; + pkey = X509_get_pubkey(x509); + if (!pkey) + { + ret = -1; + goto err; + } +#ifndef OPENSSL_NO_DSA + if(pkey->type == EVP_PKEY_DSA) mdc_tmp.digest=EVP_dss1(); +#endif +#ifndef OPENSSL_NO_ECDSA + if (pkey->type == EVP_PKEY_EC) mdc_tmp.digest=EVP_ecdsa(); +#endif + + i=EVP_VerifyFinal(&mdc_tmp,os->data,os->length, pkey); + EVP_PKEY_free(pkey); + if (i <= 0) + { + PKCS7err(PKCS7_F_PKCS7_SIGNATUREVERIFY, + PKCS7_R_SIGNATURE_FAILURE); + ret= -1; + goto err; + } + else + ret=1; +err: + EVP_MD_CTX_cleanup(&mdc_tmp); + return(ret); + } + +PKCS7_ISSUER_AND_SERIAL *PKCS7_get_issuer_and_serial(PKCS7 *p7, int idx) + { + STACK_OF(PKCS7_RECIP_INFO) *rsk; + PKCS7_RECIP_INFO *ri; + int i; + + i=OBJ_obj2nid(p7->type); + if (i != NID_pkcs7_signedAndEnveloped) + return NULL; + if (p7->d.signed_and_enveloped == NULL) + return NULL; + rsk=p7->d.signed_and_enveloped->recipientinfo; + if (rsk == NULL) + return NULL; + ri=sk_PKCS7_RECIP_INFO_value(rsk,0); + if (sk_PKCS7_RECIP_INFO_num(rsk) <= idx) return(NULL); + ri=sk_PKCS7_RECIP_INFO_value(rsk,idx); + return(ri->issuer_and_serial); + } + +ASN1_TYPE *PKCS7_get_signed_attribute(PKCS7_SIGNER_INFO *si, int nid) + { + return(get_attribute(si->auth_attr,nid)); + } + +ASN1_TYPE *PKCS7_get_attribute(PKCS7_SIGNER_INFO *si, int nid) + { + return(get_attribute(si->unauth_attr,nid)); + } + +static ASN1_TYPE *get_attribute(STACK_OF(X509_ATTRIBUTE) *sk, int nid) + { + int i; + X509_ATTRIBUTE *xa; + ASN1_OBJECT *o; + + o=OBJ_nid2obj(nid); + if (!o || !sk) return(NULL); + for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++) + { + xa=sk_X509_ATTRIBUTE_value(sk,i); + if (OBJ_cmp(xa->object,o) == 0) + { + if (!xa->single && sk_ASN1_TYPE_num(xa->value.set)) + return(sk_ASN1_TYPE_value(xa->value.set,0)); + else + return(NULL); + } + } + return(NULL); + } + +ASN1_OCTET_STRING *PKCS7_digest_from_attributes(STACK_OF(X509_ATTRIBUTE) *sk) +{ + ASN1_TYPE *astype; + if(!(astype = get_attribute(sk, NID_pkcs9_messageDigest))) return NULL; + return astype->value.octet_string; +} + +int PKCS7_set_signed_attributes(PKCS7_SIGNER_INFO *p7si, + STACK_OF(X509_ATTRIBUTE) *sk) + { + int i; + + if (p7si->auth_attr != NULL) + sk_X509_ATTRIBUTE_pop_free(p7si->auth_attr,X509_ATTRIBUTE_free); + p7si->auth_attr=sk_X509_ATTRIBUTE_dup(sk); + if (p7si->auth_attr == NULL) + return 0; + for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++) + { + if ((sk_X509_ATTRIBUTE_set(p7si->auth_attr,i, + X509_ATTRIBUTE_dup(sk_X509_ATTRIBUTE_value(sk,i)))) + == NULL) + return(0); + } + return(1); + } + +int PKCS7_set_attributes(PKCS7_SIGNER_INFO *p7si, STACK_OF(X509_ATTRIBUTE) *sk) + { + int i; + + if (p7si->unauth_attr != NULL) + sk_X509_ATTRIBUTE_pop_free(p7si->unauth_attr, + X509_ATTRIBUTE_free); + p7si->unauth_attr=sk_X509_ATTRIBUTE_dup(sk); + if (p7si->unauth_attr == NULL) + return 0; + for (i=0; i<sk_X509_ATTRIBUTE_num(sk); i++) + { + if ((sk_X509_ATTRIBUTE_set(p7si->unauth_attr,i, + X509_ATTRIBUTE_dup(sk_X509_ATTRIBUTE_value(sk,i)))) + == NULL) + return(0); + } + return(1); + } + +int PKCS7_add_signed_attribute(PKCS7_SIGNER_INFO *p7si, int nid, int atrtype, + void *value) + { + return(add_attribute(&(p7si->auth_attr),nid,atrtype,value)); + } + +int PKCS7_add_attribute(PKCS7_SIGNER_INFO *p7si, int nid, int atrtype, + void *value) + { + return(add_attribute(&(p7si->unauth_attr),nid,atrtype,value)); + } + +static int add_attribute(STACK_OF(X509_ATTRIBUTE) **sk, int nid, int atrtype, + void *value) + { + X509_ATTRIBUTE *attr=NULL; + + if (*sk == NULL) + { + if (!(*sk = sk_X509_ATTRIBUTE_new_null())) + return 0; +new_attrib: + if (!(attr=X509_ATTRIBUTE_create(nid,atrtype,value))) + return 0; + if (!sk_X509_ATTRIBUTE_push(*sk,attr)) + { + X509_ATTRIBUTE_free(attr); + return 0; + } + } + else + { + int i; + + for (i=0; i<sk_X509_ATTRIBUTE_num(*sk); i++) + { + attr=sk_X509_ATTRIBUTE_value(*sk,i); + if (OBJ_obj2nid(attr->object) == nid) + { + X509_ATTRIBUTE_free(attr); + attr=X509_ATTRIBUTE_create(nid,atrtype,value); + if (attr == NULL) + return 0; + if (!sk_X509_ATTRIBUTE_set(*sk,i,attr)) + { + X509_ATTRIBUTE_free(attr); + return 0; + } + goto end; + } + } + goto new_attrib; + } +end: + return(1); + } + diff --git a/Cryptlib/OpenSSL/crypto/pkcs7/pk7_lib.c b/Cryptlib/OpenSSL/crypto/pkcs7/pk7_lib.c new file mode 100755 index 00000000..898cddad --- /dev/null +++ b/Cryptlib/OpenSSL/crypto/pkcs7/pk7_lib.c @@ -0,0 +1,587 @@ +/* crypto/pkcs7/pk7_lib.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * All rights reserved. + * + * This package is an SSL implementation written + * by Eric Young (eay@cryptsoft.com). + * The implementation was written so as to conform with Netscapes SSL. + * + * This library is free for commercial and non-commercial use as long as + * the following conditions are aheared to. The following conditions + * apply to all code found in this distribution, be it the RC4, RSA, + * lhash, DES, etc., code; not just the SSL code. The SSL documentation + * included with this distribution is covered by the same copyright terms + * except that the holder is Tim Hudson (tjh@cryptsoft.com). + * + * Copyright remains Eric Young's, and as such any Copyright notices in + * the code are not to be removed. + * If this package is used in a product, Eric Young should be given attribution + * as the author of the parts of the library used. + * This can be in the form of a textual message at program startup or + * in documentation (online or textual) provided with the package. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * "This product includes cryptographic software written by + * Eric Young (eay@cryptsoft.com)" + * The word 'cryptographic' can be left out if the rouines from the library + * being used are not cryptographic related :-). + * 4. If you include any Windows specific code (or a derivative thereof) from + * the apps directory (application code) you must include an acknowledgement: + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" + * + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * The licence and distribution terms for any publically available version or + * derivative of this code cannot be changed. i.e. this code cannot simply be + * copied and put under another distribution licence + * [including the GNU Public Licence.] + */ + +#include <stdio.h> +#include "cryptlib.h" +#include <openssl/objects.h> +#include <openssl/x509.h> + +long PKCS7_ctrl(PKCS7 *p7, int cmd, long larg, char *parg) + { + int nid; + long ret; + + nid=OBJ_obj2nid(p7->type); + + switch (cmd) + { + case PKCS7_OP_SET_DETACHED_SIGNATURE: + if (nid == NID_pkcs7_signed) + { + ret=p7->detached=(int)larg; + if (ret && PKCS7_type_is_data(p7->d.sign->contents)) + { + ASN1_OCTET_STRING *os; + os=p7->d.sign->contents->d.data; + ASN1_OCTET_STRING_free(os); + p7->d.sign->contents->d.data = NULL; + } + } + else + { + PKCS7err(PKCS7_F_PKCS7_CTRL,PKCS7_R_OPERATION_NOT_SUPPORTED_ON_THIS_TYPE); + ret=0; + } + break; + case PKCS7_OP_GET_DETACHED_SIGNATURE: + if (nid == NID_pkcs7_signed) + { + if(!p7->d.sign || !p7->d.sign->contents->d.ptr) + ret = 1; + else ret = 0; + + p7->detached = ret; + } + else + { + PKCS7err(PKCS7_F_PKCS7_CTRL,PKCS7_R_OPERATION_NOT_SUPPORTED_ON_THIS_TYPE); + ret=0; + } + + break; + default: + PKCS7err(PKCS7_F_PKCS7_CTRL,PKCS7_R_UNKNOWN_OPERATION); + ret=0; + } + return(ret); + } + +int PKCS7_content_new(PKCS7 *p7, int type) + { + PKCS7 *ret=NULL; + + if ((ret=PKCS7_new()) == NULL) goto err; + if (!PKCS7_set_type(ret,type)) goto err; + if (!PKCS7_set_content(p7,ret)) goto err; + + return(1); +err: + if (ret != NULL) PKCS7_free(ret); + return(0); + } + +int PKCS7_set_content(PKCS7 *p7, PKCS7 *p7_data) + { + int i; + + i=OBJ_obj2nid(p7->type); + switch (i) + { + case NID_pkcs7_signed: + if (p7->d.sign->contents != NULL) + PKCS7_free(p7->d.sign->contents); + p7->d.sign->contents=p7_data; + break; + case NID_pkcs7_digest: + if (p7->d.digest->contents != NULL) + PKCS7_free(p7->d.digest->contents); + p7->d.digest->contents=p7_data; + break; + case NID_pkcs7_data: + case NID_pkcs7_enveloped: + case NID_pkcs7_signedAndEnveloped: + case NID_pkcs7_encrypted: + default: + PKCS7err(PKCS7_F_PKCS7_SET_CONTENT,PKCS7_R_UNSUPPORTED_CONTENT_TYPE); + goto err; + } + return(1); +err: + return(0); + } + +int PKCS7_set_type(PKCS7 *p7, int type) + { + ASN1_OBJECT *obj; + + /*PKCS7_content_free(p7);*/ + obj=OBJ_nid2obj(type); /* will not fail */ + + switch (type) + { + case NID_pkcs7_signed: + p7->type=obj; + if ((p7->d.sign=PKCS7_SIGNED_new()) == NULL) + goto err; + if (!ASN1_INTEGER_set(p7->d.sign->version,1)) + { + PKCS7_SIGNED_free(p7->d.sign); + p7->d.sign=NULL; + goto err; + } + break; + case NID_pkcs7_data: + p7->type=obj; + if ((p7->d.data=M_ASN1_OCTET_STRING_new()) == NULL) + goto err; + break; + case NID_pkcs7_signedAndEnveloped: + p7->type=obj; + if ((p7->d.signed_and_enveloped=PKCS7_SIGN_ENVELOPE_new()) + == NULL) goto err; + ASN1_INTEGER_set(p7->d.signed_and_enveloped->version,1); + if (!ASN1_INTEGER_set(p7->d.signed_and_enveloped->version,1)) + goto err; + p7->d.signed_and_enveloped->enc_data->content_type + = OBJ_nid2obj(NID_pkcs7_data); + break; + case NID_pkcs7_enveloped: + p7->type=obj; + if ((p7->d.enveloped=PKCS7_ENVELOPE_new()) + == NULL) goto err; + if (!ASN1_INTEGER_set(p7->d.enveloped->version,0)) + goto err; + p7->d.enveloped->enc_data->content_type + = OBJ_nid2obj(NID_pkcs7_data); + break; + case NID_pkcs7_encrypted: + p7->type=obj; + if ((p7->d.encrypted=PKCS7_ENCRYPT_new()) + == NULL) goto err; + if (!ASN1_INTEGER_set(p7->d.encrypted->version,0)) + goto err; + p7->d.encrypted->enc_data->content_type + = OBJ_nid2obj(NID_pkcs7_data); + break; + + case NID_pkcs7_digest: + p7->type=obj; + if ((p7->d.digest=PKCS7_DIGEST_new()) + == NULL) goto err; + if (!ASN1_INTEGER_set(p7->d.digest->version,0)) + goto err; + break; + default: + PKCS7err(PKCS7_F_PKCS7_SET_TYPE,PKCS7_R_UNSUPPORTED_CONTENT_TYPE); + goto err; + } + return(1); +err: + return(0); + } + +int PKCS7_set0_type_other(PKCS7 *p7, int type, ASN1_TYPE *other) + { + p7->type = OBJ_nid2obj(type); + p7->d.other = other; + return 1; + } + +int PKCS7_add_signer(PKCS7 *p7, PKCS7_SIGNER_INFO *psi) + { + int i,j,nid; + X509_ALGOR *alg; + STACK_OF(PKCS7_SIGNER_INFO) *signer_sk; + STACK_OF(X509_ALGOR) *md_sk; + + i=OBJ_obj2nid(p7->type); + switch (i) + { + case NID_pkcs7_signed: + signer_sk= p7->d.sign->signer_info; + md_sk= p7->d.sign->md_algs; + break; + case NID_pkcs7_signedAndEnveloped: + signer_sk= p7->d.signed_and_enveloped->signer_info; + md_sk= p7->d.signed_and_enveloped->md_algs; + break; + default: + PKCS7err(PKCS7_F_PKCS7_ADD_SIGNER,PKCS7_R_WRONG_CONTENT_TYPE); + return(0); + } + + nid=OBJ_obj2nid(psi->digest_alg->algorithm); + + /* If the digest is not currently listed, add it */ + j=0; + for (i=0; i<sk_X509_ALGOR_num(md_sk); i++) + { + alg=sk_X509_ALGOR_value(md_sk,i); + if (OBJ_obj2nid(alg->algorithm) == nid) + { + j=1; + break; + } + } + if (!j) /* we need to add another algorithm */ + { + if(!(alg=X509_ALGOR_new()) + || !(alg->parameter = ASN1_TYPE_new())) + { + X509_ALGOR_free(alg); + PKCS7err(PKCS7_F_PKCS7_ADD_SIGNER,ERR_R_MALLOC_FAILURE); + return(0); + } + alg->algorithm=OBJ_nid2obj(nid); + alg->parameter->type = V_ASN1_NULL; + if (!sk_X509_ALGOR_push(md_sk,alg)) + { + X509_ALGOR_free(alg); + return 0; + } + } + + if (!sk_PKCS7_SIGNER_INFO_push(signer_sk,psi)) + return 0; + return(1); + } + +int PKCS7_add_certificate(PKCS7 *p7, X509 *x509) + { + int i; + STACK_OF(X509) **sk; + + i=OBJ_obj2nid(p7->type); + switch (i) + { + case NID_pkcs7_signed: + sk= &(p7->d.sign->cert); + break; + case NID_pkcs7_signedAndEnveloped: + sk= &(p7->d.signed_and_enveloped->cert); + break; + default: + PKCS7err(PKCS7_F_PKCS7_ADD_CERTIFICATE,PKCS7_R_WRONG_CONTENT_TYPE); + return(0); + } + + if (*sk == NULL) + *sk=sk_X509_new_null(); + if (*sk == NULL) + { + PKCS7err(PKCS7_F_PKCS7_ADD_CERTIFICATE,ERR_R_MALLOC_FAILURE); + return 0; + } + CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509); + if (!sk_X509_push(*sk,x509)) + { + X509_free(x509); + return 0; + } + return(1); + } + +int PKCS7_add_crl(PKCS7 *p7, X509_CRL *crl) + { + int i; + STACK_OF(X509_CRL) **sk; + + i=OBJ_obj2nid(p7->type); + switch (i) + { + case NID_pkcs7_signed: + sk= &(p7->d.sign->crl); + break; + case NID_pkcs7_signedAndEnveloped: + sk= &(p7->d.signed_and_enveloped->crl); + break; + default: + PKCS7err(PKCS7_F_PKCS7_ADD_CRL,PKCS7_R_WRONG_CONTENT_TYPE); + return(0); + } + + if (*sk == NULL) + *sk=sk_X509_CRL_new_null(); + if (*sk == NULL) + { + PKCS7err(PKCS7_F_PKCS7_ADD_CRL,ERR_R_MALLOC_FAILURE); + return 0; + } + + CRYPTO_add(&crl->references,1,CRYPTO_LOCK_X509_CRL); + if (!sk_X509_CRL_push(*sk,crl)) + { + X509_CRL_free(crl); + return 0; + } + return(1); + } + +int PKCS7_SIGNER_INFO_set(PKCS7_SIGNER_INFO *p7i, X509 *x509, EVP_PKEY *pkey, + const EVP_MD *dgst) + { + int nid; + char is_dsa; + + if (pkey->type == EVP_PKEY_DSA || pkey->type == EVP_PKEY_EC) + is_dsa = 1; + else + is_dsa = 0; + /* We now need to add another PKCS7_SIGNER_INFO entry */ + if (!ASN1_INTEGER_set(p7i->version,1)) + goto err; + if (!X509_NAME_set(&p7i->issuer_and_serial->issuer, + X509_get_issuer_name(x509))) + goto err; + + /* because ASN1_INTEGER_set is used to set a 'long' we will do + * things the ugly way. */ + M_ASN1_INTEGER_free(p7i->issuer_and_serial->serial); + if (!(p7i->issuer_and_serial->serial= + M_ASN1_INTEGER_dup(X509_get_serialNumber(x509)))) + goto err; + + /* lets keep the pkey around for a while */ + CRYPTO_add(&pkey->references,1,CRYPTO_LOCK_EVP_PKEY); + p7i->pkey=pkey; + + /* Set the algorithms */ + if (is_dsa) p7i->digest_alg->algorithm=OBJ_nid2obj(NID_sha1); + else + p7i->digest_alg->algorithm=OBJ_nid2obj(EVP_MD_type(dgst)); + + if (p7i->digest_alg->parameter != NULL) + ASN1_TYPE_free(p7i->digest_alg->parameter); + if ((p7i->digest_alg->parameter=ASN1_TYPE_new()) == NULL) + goto err; + p7i->digest_alg->parameter->type=V_ASN1_NULL; + + if (p7i->digest_enc_alg->parameter != NULL) + ASN1_TYPE_free(p7i->digest_enc_alg->parameter); + nid = EVP_PKEY_type(pkey->type); + if (nid == EVP_PKEY_RSA) + { + p7i->digest_enc_alg->algorithm=OBJ_nid2obj(NID_rsaEncryption); + if (!(p7i->digest_enc_alg->parameter=ASN1_TYPE_new())) + goto err; + p7i->digest_enc_alg->parameter->type=V_ASN1_NULL; + } + else if (nid == EVP_PKEY_DSA) + { +#if 1 + /* use 'dsaEncryption' OID for compatibility with other software + * (PKCS #7 v1.5 does specify how to handle DSA) ... */ + p7i->digest_enc_alg->algorithm=OBJ_nid2obj(NID_dsa); +#else + /* ... although the 'dsaWithSHA1' OID (as required by RFC 2630 for CMS) + * would make more sense. */ + p7i->digest_enc_alg->algorithm=OBJ_nid2obj(NID_dsaWithSHA1); +#endif + p7i->digest_enc_alg->parameter = NULL; /* special case for DSA: omit 'parameter'! */ + } + else if (nid == EVP_PKEY_EC) + { + p7i->digest_enc_alg->algorithm=OBJ_nid2obj(NID_ecdsa_with_SHA1); + if (!(p7i->digest_enc_alg->parameter=ASN1_TYPE_new())) + goto err; + p7i->digest_enc_alg->parameter->type=V_ASN1_NULL; + } + else + return(0); + + return(1); +err: + return(0); + } + +PKCS7_SIGNER_INFO *PKCS7_add_signature(PKCS7 *p7, X509 *x509, EVP_PKEY *pkey, + const EVP_MD *dgst) + { + PKCS7_SIGNER_INFO *si; + + if ((si=PKCS7_SIGNER_INFO_new()) == NULL) goto err; + if (!PKCS7_SIGNER_INFO_set(si,x509,pkey,dgst)) goto err; + if (!PKCS7_add_signer(p7,si)) goto err; + return(si); +err: + PKCS7_SIGNER_INFO_free(si); + return(NULL); + } + +int PKCS7_set_digest(PKCS7 *p7, const EVP_MD *md) + { + if (PKCS7_type_is_digest(p7)) + { + if(!(p7->d.digest->md->parameter = ASN1_TYPE_new())) + { + PKCS7err(PKCS7_F_PKCS7_SET_DIGEST,ERR_R_MALLOC_FAILURE); + return 0; + } + p7->d.digest->md->parameter->type = V_ASN1_NULL; + p7->d.digest->md->algorithm = OBJ_nid2obj(EVP_MD_nid(md)); + return 1; + } + + PKCS7err(PKCS7_F_PKCS7_SET_DIGEST,PKCS7_R_WRONG_CONTENT_TYPE); + return 1; + } + +STACK_OF(PKCS7_SIGNER_INFO) *PKCS7_get_signer_info(PKCS7 *p7) + { + if (PKCS7_type_is_signed(p7)) + { + return(p7->d.sign->signer_info); + } + else if (PKCS7_type_is_signedAndEnveloped(p7)) + { + return(p7->d.signed_and_enveloped->signer_info); + } + else + return(NULL); + } + +PKCS7_RECIP_INFO *PKCS7_add_recipient(PKCS7 *p7, X509 *x509) + { + PKCS7_RECIP_INFO *ri; + + if ((ri=PKCS7_RECIP_INFO_new()) == NULL) goto err; + if (!PKCS7_RECIP_INFO_set(ri,x509)) goto err; + if (!PKCS7_add_recipient_info(p7,ri)) goto err; + return(ri); +err: + PKCS7_RECIP_INFO_free(ri); + return(NULL); + } + +int PKCS7_add_recipient_info(PKCS7 *p7, PKCS7_RECIP_INFO *ri) + { + int i; + STACK_OF(PKCS7_RECIP_INFO) *sk; + + i=OBJ_obj2nid(p7->type); + switch (i) + { + case NID_pkcs7_signedAndEnveloped: + sk= p7->d.signed_and_enveloped->recipientinfo; + break; + case NID_pkcs7_enveloped: + sk= p7->d.enveloped->recipientinfo; + break; + default: + PKCS7err(PKCS7_F_PKCS7_ADD_RECIPIENT_INFO,PKCS7_R_WRONG_CONTENT_TYPE); + return(0); + } + + if (!sk_PKCS7_RECIP_INFO_push(sk,ri)) + return 0; + return(1); + } + +int PKCS7_RECIP_INFO_set(PKCS7_RECIP_INFO *p7i, X509 *x509) + { + if (!ASN1_INTEGER_set(p7i->version,0)) + return 0; + if (!X509_NAME_set(&p7i->issuer_and_serial->issuer, + X509_get_issuer_name(x509))) + return 0; + + M_ASN1_INTEGER_free(p7i->issuer_and_serial->serial); + if (!(p7i->issuer_and_serial->serial= + M_ASN1_INTEGER_dup(X509_get_serialNumber(x509)))) + return 0; + + X509_ALGOR_free(p7i->key_enc_algor); + if (!(p7i->key_enc_algor= X509_ALGOR_dup(x509->cert_info->key->algor))) + return 0; + + CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509); + p7i->cert=x509; + + return(1); + } + +X509 *PKCS7_cert_from_signer_info(PKCS7 *p7, PKCS7_SIGNER_INFO *si) + { + if (PKCS7_type_is_signed(p7)) + return(X509_find_by_issuer_and_serial(p7->d.sign->cert, + si->issuer_and_serial->issuer, + si->issuer_and_serial->serial)); + else + return(NULL); + } + +int PKCS7_set_cipher(PKCS7 *p7, const EVP_CIPHER *cipher) + { + int i; + PKCS7_ENC_CONTENT *ec; + + i=OBJ_obj2nid(p7->type); + switch (i) + { + case NID_pkcs7_signedAndEnveloped: + ec=p7->d.signed_and_enveloped->enc_data; + break; + case NID_pkcs7_enveloped: + ec=p7->d.enveloped->enc_data; + break; + default: + PKCS7err(PKCS7_F_PKCS7_SET_CIPHER,PKCS7_R_WRONG_CONTENT_TYPE); + return(0); + } + + /* Check cipher OID exists and has data in it*/ + i = EVP_CIPHER_type(cipher); + if(i == NID_undef) { + PKCS7err(PKCS7_F_PKCS7_SET_CIPHER,PKCS7_R_CIPHER_HAS_NO_OBJECT_IDENTIFIER); + return(0); + } + + ec->cipher = cipher; + return 1; + } + diff --git a/Cryptlib/OpenSSL/crypto/pkcs7/pk7_mime.c b/Cryptlib/OpenSSL/crypto/pkcs7/pk7_mime.c new file mode 100755 index 00000000..831b47d2 --- /dev/null +++ b/Cryptlib/OpenSSL/crypto/pkcs7/pk7_mime.c @@ -0,0 +1,125 @@ +/* pk7_mime.c */ +/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL + * project. + */ +/* ==================================================================== + * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * licensing@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + */ + +#include <stdio.h> +#include <ctype.h> +#include "cryptlib.h" +#include <openssl/rand.h> +#include <openssl/x509.h> +#include <openssl/asn1.h> + +/* PKCS#7 wrappers round generalised MIME routines */ + +PKCS7 *SMIME_read_PKCS7(BIO *bio, BIO **bcont) + { + return (PKCS7 *)SMIME_read_ASN1(bio, bcont, ASN1_ITEM_rptr(PKCS7)); + } + +/* Callback for int_smime_write_ASN1 */ + +static int pk7_output_data(BIO *out, BIO *data, ASN1_VALUE *val, int flags, + const ASN1_ITEM *it) + { + PKCS7 *p7 = (PKCS7 *)val; + BIO *tmpbio, *p7bio; + + if (!(flags & SMIME_DETACHED)) + { + SMIME_crlf_copy(data, out, flags); + return 1; + } + + /* Let PKCS7 code prepend any needed BIOs */ + + p7bio = PKCS7_dataInit(p7, out); + + if (!p7bio) + return 0; + + /* Copy data across, passing through filter BIOs for processing */ + SMIME_crlf_copy(data, p7bio, flags); + + /* Finalize structure */ + if (PKCS7_dataFinal(p7, p7bio) <= 0) + goto err; + + err: + + /* Now remove any digests prepended to the BIO */ + + while (p7bio != out) + { + tmpbio = BIO_pop(p7bio); + BIO_free(p7bio); + p7bio = tmpbio; + } + + return 1; + + } + +int SMIME_write_PKCS7(BIO *bio, PKCS7 *p7, BIO *data, int flags) + { + STACK_OF(X509_ALGOR) *mdalgs; + int ctype_nid = OBJ_obj2nid(p7->type); + if (ctype_nid == NID_pkcs7_signed) + mdalgs = p7->d.sign->md_algs; + else + mdalgs = NULL; + + return int_smime_write_ASN1(bio, (ASN1_VALUE *)p7, data, flags, + ctype_nid, NID_undef, mdalgs, + pk7_output_data, + ASN1_ITEM_rptr(PKCS7)); + } diff --git a/Cryptlib/OpenSSL/crypto/pkcs7/pk7_smime.c b/Cryptlib/OpenSSL/crypto/pkcs7/pk7_smime.c new file mode 100755 index 00000000..d6db27c6 --- /dev/null +++ b/Cryptlib/OpenSSL/crypto/pkcs7/pk7_smime.c @@ -0,0 +1,522 @@ +/* pk7_smime.c */ +/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL + * project. + */ +/* ==================================================================== + * Copyright (c) 1999-2004 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * licensing@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +/* Simple PKCS#7 processing functions */ + +#include <stdio.h> +#include "cryptlib.h" +#include <openssl/x509.h> +#include <openssl/x509v3.h> + +PKCS7 *PKCS7_sign(X509 *signcert, EVP_PKEY *pkey, STACK_OF(X509) *certs, + BIO *data, int flags) +{ + PKCS7 *p7 = NULL; + PKCS7_SIGNER_INFO *si; + BIO *p7bio = NULL; + STACK_OF(X509_ALGOR) *smcap = NULL; + int i; + + if(!X509_check_private_key(signcert, pkey)) { + PKCS7err(PKCS7_F_PKCS7_SIGN,PKCS7_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE); + return NULL; + } + + if(!(p7 = PKCS7_new())) { + PKCS7err(PKCS7_F_PKCS7_SIGN,ERR_R_MALLOC_FAILURE); + return NULL; + } + + if (!PKCS7_set_type(p7, NID_pkcs7_signed)) + goto err; + + if (!PKCS7_content_new(p7, NID_pkcs7_data)) + goto err; + + /* + NOTE: Update to SHA-256 digest algorithm for UEFI version. + */ + if (!(si = PKCS7_add_signature(p7,signcert,pkey,EVP_sha256()))) { + PKCS7err(PKCS7_F_PKCS7_SIGN,PKCS7_R_PKCS7_ADD_SIGNATURE_ERROR); + goto err; + } + + if(!(flags & PKCS7_NOCERTS)) { + if (!PKCS7_add_certificate(p7, signcert)) + goto err; + if(certs) for(i = 0; i < sk_X509_num(certs); i++) + if (!PKCS7_add_certificate(p7, sk_X509_value(certs, i))) + goto err; + } + + if(!(flags & PKCS7_NOATTR)) { + if (!PKCS7_add_signed_attribute(si, NID_pkcs9_contentType, + V_ASN1_OBJECT, OBJ_nid2obj(NID_pkcs7_data))) + goto err; + /* Add SMIMECapabilities */ + if(!(flags & PKCS7_NOSMIMECAP)) + { + if(!(smcap = sk_X509_ALGOR_new_null())) { + PKCS7err(PKCS7_F_PKCS7_SIGN,ERR_R_MALLOC_FAILURE); + goto err; + } +#ifndef OPENSSL_NO_DES + if (!PKCS7_simple_smimecap (smcap, NID_des_ede3_cbc, -1)) + goto err; +#endif +#ifndef OPENSSL_NO_RC2 + if (!PKCS7_simple_smimecap (smcap, NID_rc2_cbc, 128)) + goto err; + if (!PKCS7_simple_smimecap (smcap, NID_rc2_cbc, 64)) + goto err; +#endif +#ifndef OPENSSL_NO_DES + if (!PKCS7_simple_smimecap (smcap, NID_des_cbc, -1)) + goto err; +#endif +#ifndef OPENSSL_NO_RC2 + if (!PKCS7_simple_smimecap (smcap, NID_rc2_cbc, 40)) + goto err; +#endif + if (!PKCS7_add_attrib_smimecap (si, smcap)) + goto err; + sk_X509_ALGOR_pop_free(smcap, X509_ALGOR_free); + smcap = NULL; + } + } + + if(flags & PKCS7_DETACHED)PKCS7_set_detached(p7, 1); + + if (flags & PKCS7_STREAM) + return p7; + + + if (!(p7bio = PKCS7_dataInit(p7, NULL))) { + PKCS7err(PKCS7_F_PKCS7_SIGN,ERR_R_MALLOC_FAILURE); + goto err; + } + + SMIME_crlf_copy(data, p7bio, flags); + + + if (!PKCS7_dataFinal(p7,p7bio)) { + PKCS7err(PKCS7_F_PKCS7_SIGN,PKCS7_R_PKCS7_DATASIGN); + goto err; + } + + BIO_free_all(p7bio); + return p7; +err: + sk_X509_ALGOR_pop_free(smcap, X509_ALGOR_free); + BIO_free_all(p7bio); + PKCS7_free(p7); + return NULL; +} + +int PKCS7_verify(PKCS7 *p7, STACK_OF(X509) *certs, X509_STORE *store, + BIO *indata, BIO *out, int flags) +{ + STACK_OF(X509) *signers; + X509 *signer; + STACK_OF(PKCS7_SIGNER_INFO) *sinfos; + PKCS7_SIGNER_INFO *si; + X509_STORE_CTX cert_ctx; + char buf[4096]; + int i, j=0, k, ret = 0; + BIO *p7bio; + BIO *tmpin, *tmpout; + + if(!p7) { + PKCS7err(PKCS7_F_PKCS7_VERIFY,PKCS7_R_INVALID_NULL_POINTER); + return 0; + } + + if(!PKCS7_type_is_signed(p7)) { + PKCS7err(PKCS7_F_PKCS7_VERIFY,PKCS7_R_WRONG_CONTENT_TYPE); + return 0; + } + + /* Check for no data and no content: no data to verify signature */ + if(PKCS7_get_detached(p7) && !indata) { + PKCS7err(PKCS7_F_PKCS7_VERIFY,PKCS7_R_NO_CONTENT); + return 0; + } +#if 0 + /* NB: this test commented out because some versions of Netscape + * illegally include zero length content when signing data. + */ + + /* Check for data and content: two sets of data */ + if(!PKCS7_get_detached(p7) && indata) { + PKCS7err(PKCS7_F_PKCS7_VERIFY,PKCS7_R_CONTENT_AND_DATA_PRESENT); + return 0; + } +#endif + + sinfos = PKCS7_get_signer_info(p7); + + if(!sinfos || !sk_PKCS7_SIGNER_INFO_num(sinfos)) { + PKCS7err(PKCS7_F_PKCS7_VERIFY,PKCS7_R_NO_SIGNATURES_ON_DATA); + return 0; + } + + + signers = PKCS7_get0_signers(p7, certs, flags); + + if(!signers) return 0; + + /* Now verify the certificates */ + + if (!(flags & PKCS7_NOVERIFY)) for (k = 0; k < sk_X509_num(signers); k++) { + signer = sk_X509_value (signers, k); + if (!(flags & PKCS7_NOCHAIN)) { + if(!X509_STORE_CTX_init(&cert_ctx, store, signer, + p7->d.sign->cert)) + { + PKCS7err(PKCS7_F_PKCS7_VERIFY,ERR_R_X509_LIB); + sk_X509_free(signers); + return 0; + } + X509_STORE_CTX_set_default(&cert_ctx, "smime_sign"); + } else if(!X509_STORE_CTX_init (&cert_ctx, store, signer, NULL)) { + PKCS7err(PKCS7_F_PKCS7_VERIFY,ERR_R_X509_LIB); + sk_X509_free(signers); + return 0; + } + if (!(flags & PKCS7_NOCRL)) + X509_STORE_CTX_set0_crls(&cert_ctx, p7->d.sign->crl); + i = X509_verify_cert(&cert_ctx); + if (i <= 0) j = X509_STORE_CTX_get_error(&cert_ctx); + X509_STORE_CTX_cleanup(&cert_ctx); + if (i <= 0) { + PKCS7err(PKCS7_F_PKCS7_VERIFY,PKCS7_R_CERTIFICATE_VERIFY_ERROR); + ERR_add_error_data(2, "Verify error:", + X509_verify_cert_error_string(j)); + sk_X509_free(signers); + return 0; + } + /* Check for revocation status here */ + } + + /* Performance optimization: if the content is a memory BIO then + * store its contents in a temporary read only memory BIO. This + * avoids potentially large numbers of slow copies of data which will + * occur when reading from a read write memory BIO when signatures + * are calculated. + */ + + if (indata && (BIO_method_type(indata) == BIO_TYPE_MEM)) + { + char *ptr; + long len; + len = BIO_get_mem_data(indata, &ptr); + tmpin = BIO_new_mem_buf(ptr, len); + if (tmpin == NULL) + { + PKCS7err(PKCS7_F_PKCS7_VERIFY,ERR_R_MALLOC_FAILURE); + return 0; + } + } + else + tmpin = indata; + + + if (!(p7bio=PKCS7_dataInit(p7,tmpin))) + goto err; + + if(flags & PKCS7_TEXT) { + if(!(tmpout = BIO_new(BIO_s_mem()))) { + PKCS7err(PKCS7_F_PKCS7_VERIFY,ERR_R_MALLOC_FAILURE); + goto err; + } + BIO_set_mem_eof_return(tmpout, 0); + } else tmpout = out; + + /* We now have to 'read' from p7bio to calculate digests etc. */ + for (;;) + { + i=BIO_read(p7bio,buf,sizeof(buf)); + if (i <= 0) break; + if (tmpout) BIO_write(tmpout, buf, i); + } + + if(flags & PKCS7_TEXT) { + if(!SMIME_text(tmpout, out)) { + PKCS7err(PKCS7_F_PKCS7_VERIFY,PKCS7_R_SMIME_TEXT_ERROR); + BIO_free(tmpout); + goto err; + } + BIO_free(tmpout); + } + + /* Now Verify All Signatures */ + if (!(flags & PKCS7_NOSIGS)) + for (i=0; i<sk_PKCS7_SIGNER_INFO_num(sinfos); i++) + { + si=sk_PKCS7_SIGNER_INFO_value(sinfos,i); + signer = sk_X509_value (signers, i); + j=PKCS7_signatureVerify(p7bio,p7,si, signer); + if (j <= 0) { + PKCS7err(PKCS7_F_PKCS7_VERIFY,PKCS7_R_SIGNATURE_FAILURE); + goto err; + } + } + + ret = 1; + + err: + + if (tmpin == indata) + { + if (indata) BIO_pop(p7bio); + } + BIO_free_all(p7bio); + + sk_X509_free(signers); + + return ret; +} + +STACK_OF(X509) *PKCS7_get0_signers(PKCS7 *p7, STACK_OF(X509) *certs, int flags) +{ + STACK_OF(X509) *signers; + STACK_OF(PKCS7_SIGNER_INFO) *sinfos; + PKCS7_SIGNER_INFO *si; + PKCS7_ISSUER_AND_SERIAL *ias; + X509 *signer; + int i; + + if(!p7) { + PKCS7err(PKCS7_F_PKCS7_GET0_SIGNERS,PKCS7_R_INVALID_NULL_POINTER); + return NULL; + } + + if(!PKCS7_type_is_signed(p7)) { + PKCS7err(PKCS7_F_PKCS7_GET0_SIGNERS,PKCS7_R_WRONG_CONTENT_TYPE); + return NULL; + } + + /* Collect all the signers together */ + + sinfos = PKCS7_get_signer_info(p7); + + if(sk_PKCS7_SIGNER_INFO_num(sinfos) <= 0) { + PKCS7err(PKCS7_F_PKCS7_GET0_SIGNERS,PKCS7_R_NO_SIGNERS); + return NULL; + } + + if(!(signers = sk_X509_new_null())) { + PKCS7err(PKCS7_F_PKCS7_GET0_SIGNERS,ERR_R_MALLOC_FAILURE); + return NULL; + } + + for (i = 0; i < sk_PKCS7_SIGNER_INFO_num(sinfos); i++) + { + si = sk_PKCS7_SIGNER_INFO_value(sinfos, i); + ias = si->issuer_and_serial; + signer = NULL; + /* If any certificates passed they take priority */ + if (certs) signer = X509_find_by_issuer_and_serial (certs, + ias->issuer, ias->serial); + if (!signer && !(flags & PKCS7_NOINTERN) + && p7->d.sign->cert) signer = + X509_find_by_issuer_and_serial (p7->d.sign->cert, + ias->issuer, ias->serial); + if (!signer) { + PKCS7err(PKCS7_F_PKCS7_GET0_SIGNERS,PKCS7_R_SIGNER_CERTIFICATE_NOT_FOUND); + sk_X509_free(signers); + return NULL; + } + + if (!sk_X509_push(signers, signer)) { + sk_X509_free(signers); + return NULL; + } + } + return signers; +} + + +/* Build a complete PKCS#7 enveloped data */ + +PKCS7 *PKCS7_encrypt(STACK_OF(X509) *certs, BIO *in, const EVP_CIPHER *cipher, + int flags) +{ + PKCS7 *p7; + BIO *p7bio = NULL; + int i; + X509 *x509; + if(!(p7 = PKCS7_new())) { + PKCS7err(PKCS7_F_PKCS7_ENCRYPT,ERR_R_MALLOC_FAILURE); + return NULL; + } + + if (!PKCS7_set_type(p7, NID_pkcs7_enveloped)) + goto err; + if(!PKCS7_set_cipher(p7, cipher)) { + PKCS7err(PKCS7_F_PKCS7_ENCRYPT,PKCS7_R_ERROR_SETTING_CIPHER); + goto err; + } + + for(i = 0; i < sk_X509_num(certs); i++) { + x509 = sk_X509_value(certs, i); + if(!PKCS7_add_recipient(p7, x509)) { + PKCS7err(PKCS7_F_PKCS7_ENCRYPT, + PKCS7_R_ERROR_ADDING_RECIPIENT); + goto err; + } + } + + if(!(p7bio = PKCS7_dataInit(p7, NULL))) { + PKCS7err(PKCS7_F_PKCS7_ENCRYPT,ERR_R_MALLOC_FAILURE); + goto err; + } + + SMIME_crlf_copy(in, p7bio, flags); + + (void)BIO_flush(p7bio); + + if (!PKCS7_dataFinal(p7,p7bio)) { + PKCS7err(PKCS7_F_PKCS7_ENCRYPT,PKCS7_R_PKCS7_DATAFINAL_ERROR); + goto err; + } + BIO_free_all(p7bio); + + return p7; + + err: + + BIO_free_all(p7bio); + PKCS7_free(p7); + return NULL; + +} + +int PKCS7_decrypt(PKCS7 *p7, EVP_PKEY *pkey, X509 *cert, BIO *data, int flags) +{ + BIO *tmpmem; + int ret, i; + char buf[4096]; + + if(!p7) { + PKCS7err(PKCS7_F_PKCS7_DECRYPT,PKCS7_R_INVALID_NULL_POINTER); + return 0; + } + + if(!PKCS7_type_is_enveloped(p7)) { + PKCS7err(PKCS7_F_PKCS7_DECRYPT,PKCS7_R_WRONG_CONTENT_TYPE); + return 0; + } + + if(cert && !X509_check_private_key(cert, pkey)) { + PKCS7err(PKCS7_F_PKCS7_DECRYPT, + PKCS7_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE); + return 0; + } + + if(!(tmpmem = PKCS7_dataDecode(p7, pkey, NULL, cert))) { + PKCS7err(PKCS7_F_PKCS7_DECRYPT, PKCS7_R_DECRYPT_ERROR); + return 0; + } + + if (flags & PKCS7_TEXT) { + BIO *tmpbuf, *bread; + /* Encrypt BIOs can't do BIO_gets() so add a buffer BIO */ + if(!(tmpbuf = BIO_new(BIO_f_buffer()))) { + PKCS7err(PKCS7_F_PKCS7_DECRYPT, ERR_R_MALLOC_FAILURE); + BIO_free_all(tmpmem); + return 0; + } + if(!(bread = BIO_push(tmpbuf, tmpmem))) { + PKCS7err(PKCS7_F_PKCS7_DECRYPT, ERR_R_MALLOC_FAILURE); + BIO_free_all(tmpbuf); + BIO_free_all(tmpmem); + return 0; + } + ret = SMIME_text(bread, data); + if (ret > 0 && BIO_method_type(tmpmem) == BIO_TYPE_CIPHER) + { + if (!BIO_get_cipher_status(tmpmem)) + ret = 0; + } + BIO_free_all(bread); + return ret; + } else { + for(;;) { + i = BIO_read(tmpmem, buf, sizeof(buf)); + if(i <= 0) + { + ret = 1; + if (BIO_method_type(tmpmem) == BIO_TYPE_CIPHER) + { + if (!BIO_get_cipher_status(tmpmem)) + ret = 0; + } + + break; + } + if (BIO_write(data, buf, i) != i) + { + ret = 0; + break; + } + } + BIO_free_all(tmpmem); + return ret; + } +} diff --git a/Cryptlib/OpenSSL/crypto/pkcs7/pkcs7err.c b/Cryptlib/OpenSSL/crypto/pkcs7/pkcs7err.c new file mode 100755 index 00000000..c0e3d4cd --- /dev/null +++ b/Cryptlib/OpenSSL/crypto/pkcs7/pkcs7err.c @@ -0,0 +1,167 @@ +/* crypto/pkcs7/pkcs7err.c */ +/* ==================================================================== + * Copyright (c) 1999-2005 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +/* NOTE: this file was auto generated by the mkerr.pl script: any changes + * made to it will be overwritten when the script next updates this file, + * only reason strings will be preserved. + */ + +#include <stdio.h> +#include <openssl/err.h> +#include <openssl/pkcs7.h> + +/* BEGIN ERROR CODES */ +#ifndef OPENSSL_NO_ERR + +#define ERR_FUNC(func) ERR_PACK(ERR_LIB_PKCS7,func,0) +#define ERR_REASON(reason) ERR_PACK(ERR_LIB_PKCS7,0,reason) + +static ERR_STRING_DATA PKCS7_str_functs[]= + { +{ERR_FUNC(PKCS7_F_B64_READ_PKCS7), "B64_READ_PKCS7"}, +{ERR_FUNC(PKCS7_F_B64_WRITE_PKCS7), "B64_WRITE_PKCS7"}, +{ERR_FUNC(PKCS7_F_PKCS7_ADD_ATTRIB_SMIMECAP), "PKCS7_add_attrib_smimecap"}, +{ERR_FUNC(PKCS7_F_PKCS7_ADD_CERTIFICATE), "PKCS7_add_certificate"}, +{ERR_FUNC(PKCS7_F_PKCS7_ADD_CRL), "PKCS7_add_crl"}, +{ERR_FUNC(PKCS7_F_PKCS7_ADD_RECIPIENT_INFO), "PKCS7_add_recipient_info"}, +{ERR_FUNC(PKCS7_F_PKCS7_ADD_SIGNER), "PKCS7_add_signer"}, +{ERR_FUNC(PKCS7_F_PKCS7_BIO_ADD_DIGEST), "PKCS7_BIO_ADD_DIGEST"}, +{ERR_FUNC(PKCS7_F_PKCS7_CTRL), "PKCS7_ctrl"}, +{ERR_FUNC(PKCS7_F_PKCS7_DATADECODE), "PKCS7_dataDecode"}, +{ERR_FUNC(PKCS7_F_PKCS7_DATAFINAL), "PKCS7_dataFinal"}, +{ERR_FUNC(PKCS7_F_PKCS7_DATAINIT), "PKCS7_dataInit"}, +{ERR_FUNC(PKCS7_F_PKCS7_DATASIGN), "PKCS7_DATASIGN"}, +{ERR_FUNC(PKCS7_F_PKCS7_DATAVERIFY), "PKCS7_dataVerify"}, +{ERR_FUNC(PKCS7_F_PKCS7_DECRYPT), "PKCS7_decrypt"}, +{ERR_FUNC(PKCS7_F_PKCS7_ENCRYPT), "PKCS7_encrypt"}, +{ERR_FUNC(PKCS7_F_PKCS7_FIND_DIGEST), "PKCS7_FIND_DIGEST"}, +{ERR_FUNC(PKCS7_F_PKCS7_GET0_SIGNERS), "PKCS7_get0_signers"}, +{ERR_FUNC(PKCS7_F_PKCS7_SET_CIPHER), "PKCS7_set_cipher"}, +{ERR_FUNC(PKCS7_F_PKCS7_SET_CONTENT), "PKCS7_set_content"}, +{ERR_FUNC(PKCS7_F_PKCS7_SET_DIGEST), "PKCS7_set_digest"}, +{ERR_FUNC(PKCS7_F_PKCS7_SET_TYPE), "PKCS7_set_type"}, +{ERR_FUNC(PKCS7_F_PKCS7_SIGN), "PKCS7_sign"}, +{ERR_FUNC(PKCS7_F_PKCS7_SIGNATUREVERIFY), "PKCS7_signatureVerify"}, +{ERR_FUNC(PKCS7_F_PKCS7_SIMPLE_SMIMECAP), "PKCS7_simple_smimecap"}, +{ERR_FUNC(PKCS7_F_PKCS7_VERIFY), "PKCS7_verify"}, +{ERR_FUNC(PKCS7_F_SMIME_READ_PKCS7), "SMIME_read_PKCS7"}, +{ERR_FUNC(PKCS7_F_SMIME_TEXT), "SMIME_text"}, +{0,NULL} + }; + +static ERR_STRING_DATA PKCS7_str_reasons[]= + { +{ERR_REASON(PKCS7_R_CERTIFICATE_VERIFY_ERROR),"certificate verify error"}, +{ERR_REASON(PKCS7_R_CIPHER_HAS_NO_OBJECT_IDENTIFIER),"cipher has no object identifier"}, +{ERR_REASON(PKCS7_R_CIPHER_NOT_INITIALIZED),"cipher not initialized"}, +{ERR_REASON(PKCS7_R_CONTENT_AND_DATA_PRESENT),"content and data present"}, +{ERR_REASON(PKCS7_R_DECODE_ERROR) ,"decode error"}, +{ERR_REASON(PKCS7_R_DECRYPTED_KEY_IS_WRONG_LENGTH),"decrypted key is wrong length"}, +{ERR_REASON(PKCS7_R_DECRYPT_ERROR) ,"decrypt error"}, +{ERR_REASON(PKCS7_R_DIGEST_FAILURE) ,"digest failure"}, +{ERR_REASON(PKCS7_R_ERROR_ADDING_RECIPIENT),"error adding recipient"}, +{ERR_REASON(PKCS7_R_ERROR_SETTING_CIPHER),"error setting cipher"}, +{ERR_REASON(PKCS7_R_INVALID_MIME_TYPE) ,"invalid mime type"}, +{ERR_REASON(PKCS7_R_INVALID_NULL_POINTER),"invalid null pointer"}, +{ERR_REASON(PKCS7_R_MIME_NO_CONTENT_TYPE),"mime no content type"}, +{ERR_REASON(PKCS7_R_MIME_PARSE_ERROR) ,"mime parse error"}, +{ERR_REASON(PKCS7_R_MIME_SIG_PARSE_ERROR),"mime sig parse error"}, +{ERR_REASON(PKCS7_R_MISSING_CERIPEND_INFO),"missing ceripend info"}, +{ERR_REASON(PKCS7_R_NO_CONTENT) ,"no content"}, +{ERR_REASON(PKCS7_R_NO_CONTENT_TYPE) ,"no content type"}, +{ERR_REASON(PKCS7_R_NO_MULTIPART_BODY_FAILURE),"no multipart body failure"}, +{ERR_REASON(PKCS7_R_NO_MULTIPART_BOUNDARY),"no multipart boundary"}, +{ERR_REASON(PKCS7_R_NO_RECIPIENT_MATCHES_CERTIFICATE),"no recipient matches certificate"}, +{ERR_REASON(PKCS7_R_NO_RECIPIENT_MATCHES_KEY),"no recipient matches key"}, +{ERR_REASON(PKCS7_R_NO_SIGNATURES_ON_DATA),"no signatures on data"}, +{ERR_REASON(PKCS7_R_NO_SIGNERS) ,"no signers"}, +{ERR_REASON(PKCS7_R_NO_SIG_CONTENT_TYPE) ,"no sig content type"}, +{ERR_REASON(PKCS7_R_OPERATION_NOT_SUPPORTED_ON_THIS_TYPE),"operation not supported on this type"}, +{ERR_REASON(PKCS7_R_PKCS7_ADD_SIGNATURE_ERROR),"pkcs7 add signature error"}, +{ERR_REASON(PKCS7_R_PKCS7_DATAFINAL) ,"pkcs7 datafinal"}, +{ERR_REASON(PKCS7_R_PKCS7_DATAFINAL_ERROR),"pkcs7 datafinal error"}, +{ERR_REASON(PKCS7_R_PKCS7_DATASIGN) ,"pkcs7 datasign"}, +{ERR_REASON(PKCS7_R_PKCS7_PARSE_ERROR) ,"pkcs7 parse error"}, +{ERR_REASON(PKCS7_R_PKCS7_SIG_PARSE_ERROR),"pkcs7 sig parse error"}, +{ERR_REASON(PKCS7_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE),"private key does not match certificate"}, +{ERR_REASON(PKCS7_R_SIGNATURE_FAILURE) ,"signature failure"}, +{ERR_REASON(PKCS7_R_SIGNER_CERTIFICATE_NOT_FOUND),"signer certificate not found"}, +{ERR_REASON(PKCS7_R_SIG_INVALID_MIME_TYPE),"sig invalid mime type"}, +{ERR_REASON(PKCS7_R_SMIME_TEXT_ERROR) ,"smime text error"}, +{ERR_REASON(PKCS7_R_UNABLE_TO_FIND_CERTIFICATE),"unable to find certificate"}, +{ERR_REASON(PKCS7_R_UNABLE_TO_FIND_MEM_BIO),"unable to find mem bio"}, +{ERR_REASON(PKCS7_R_UNABLE_TO_FIND_MESSAGE_DIGEST),"unable to find message digest"}, +{ERR_REASON(PKCS7_R_UNKNOWN_DIGEST_TYPE) ,"unknown digest type"}, +{ERR_REASON(PKCS7_R_UNKNOWN_OPERATION) ,"unknown operation"}, +{ERR_REASON(PKCS7_R_UNSUPPORTED_CIPHER_TYPE),"unsupported cipher type"}, +{ERR_REASON(PKCS7_R_UNSUPPORTED_CONTENT_TYPE),"unsupported content type"}, +{ERR_REASON(PKCS7_R_WRONG_CONTENT_TYPE) ,"wrong content type"}, +{ERR_REASON(PKCS7_R_WRONG_PKCS7_TYPE) ,"wrong pkcs7 type"}, +{0,NULL} + }; + +#endif + +void ERR_load_PKCS7_strings(void) + { +#ifndef OPENSSL_NO_ERR + + if (ERR_func_error_string(PKCS7_str_functs[0].error) == NULL) + { + ERR_load_strings(0,PKCS7_str_functs); + ERR_load_strings(0,PKCS7_str_reasons); + } +#endif + } |
