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-rw-r--r--Cryptlib/OpenSSL/crypto/rsa/rsa_ameth.c221
1 files changed, 161 insertions, 60 deletions
diff --git a/Cryptlib/OpenSSL/crypto/rsa/rsa_ameth.c b/Cryptlib/OpenSSL/crypto/rsa/rsa_ameth.c
index 5694140a..951e1d5c 100644
--- a/Cryptlib/OpenSSL/crypto/rsa/rsa_ameth.c
+++ b/Cryptlib/OpenSSL/crypto/rsa/rsa_ameth.c
@@ -1,21 +1,72 @@
+/* crypto/rsa/rsa_ameth.c */
/*
- * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
+ * 2006.
+ */
+/* ====================================================================
+ * Copyright (c) 2006 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).
*
- * Licensed under the OpenSSL license (the "License"). You may not use
- * this file except in compliance with the License. You can obtain a copy
- * in the file LICENSE in the source distribution or at
- * https://www.openssl.org/source/license.html
*/
#include <stdio.h>
-#include "internal/cryptlib.h"
+#include "cryptlib.h"
#include <openssl/asn1t.h>
#include <openssl/x509.h>
+#include <openssl/rsa.h>
#include <openssl/bn.h>
-#include <openssl/cms.h>
-#include "internal/asn1_int.h"
-#include "internal/evp_int.h"
-#include "rsa_locl.h"
+#ifndef OPENSSL_NO_CMS
+# include <openssl/cms.h>
+#endif
+#include "asn1_locl.h"
#ifndef OPENSSL_NO_CMS
static int rsa_cms_sign(CMS_SignerInfo *si);
@@ -44,10 +95,9 @@ static int rsa_pub_decode(EVP_PKEY *pkey, X509_PUBKEY *pubkey)
const unsigned char *p;
int pklen;
RSA *rsa = NULL;
-
if (!X509_PUBKEY_get0_param(NULL, &p, &pklen, NULL, pubkey))
return 0;
- if ((rsa = d2i_RSAPublicKey(NULL, &p, pklen)) == NULL) {
+ if (!(rsa = d2i_RSAPublicKey(NULL, &p, pklen))) {
RSAerr(RSA_F_RSA_PUB_DECODE, ERR_R_RSA_LIB);
return 0;
}
@@ -67,8 +117,7 @@ static int old_rsa_priv_decode(EVP_PKEY *pkey,
const unsigned char **pder, int derlen)
{
RSA *rsa;
-
- if ((rsa = d2i_RSAPrivateKey(NULL, pder, derlen)) == NULL) {
+ if (!(rsa = d2i_RSAPrivateKey(NULL, pder, derlen))) {
RSAerr(RSA_F_OLD_RSA_PRIV_DECODE, ERR_R_RSA_LIB);
return 0;
}
@@ -101,7 +150,7 @@ static int rsa_priv_encode(PKCS8_PRIV_KEY_INFO *p8, const EVP_PKEY *pkey)
return 1;
}
-static int rsa_priv_decode(EVP_PKEY *pkey, const PKCS8_PRIV_KEY_INFO *p8)
+static int rsa_priv_decode(EVP_PKEY *pkey, PKCS8_PRIV_KEY_INFO *p8)
{
const unsigned char *p;
int pklen;
@@ -120,21 +169,45 @@ static int rsa_bits(const EVP_PKEY *pkey)
return BN_num_bits(pkey->pkey.rsa->n);
}
-static int rsa_security_bits(const EVP_PKEY *pkey)
+static void int_rsa_free(EVP_PKEY *pkey)
{
- return RSA_security_bits(pkey->pkey.rsa);
+ RSA_free(pkey->pkey.rsa);
}
-static void int_rsa_free(EVP_PKEY *pkey)
+static void update_buflen(const BIGNUM *b, size_t *pbuflen)
{
- RSA_free(pkey->pkey.rsa);
+ size_t i;
+ if (!b)
+ return;
+ if (*pbuflen < (i = (size_t)BN_num_bytes(b)))
+ *pbuflen = i;
}
static int do_rsa_print(BIO *bp, const RSA *x, int off, int priv)
{
char *str;
const char *s;
+ unsigned char *m = NULL;
int ret = 0, mod_len = 0;
+ size_t buf_len = 0;
+
+ update_buflen(x->n, &buf_len);
+ update_buflen(x->e, &buf_len);
+
+ if (priv) {
+ update_buflen(x->d, &buf_len);
+ update_buflen(x->p, &buf_len);
+ update_buflen(x->q, &buf_len);
+ update_buflen(x->dmp1, &buf_len);
+ update_buflen(x->dmq1, &buf_len);
+ update_buflen(x->iqmp, &buf_len);
+ }
+
+ m = (unsigned char *)OPENSSL_malloc(buf_len + 10);
+ if (m == NULL) {
+ RSAerr(RSA_F_DO_RSA_PRINT, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
if (x->n != NULL)
mod_len = BN_num_bits(x->n);
@@ -143,36 +216,40 @@ static int do_rsa_print(BIO *bp, const RSA *x, int off, int priv)
goto err;
if (priv && x->d) {
- if (BIO_printf(bp, "Private-Key: (%d bit)\n", mod_len) <= 0)
+ if (BIO_printf(bp, "Private-Key: (%d bit)\n", mod_len)
+ <= 0)
goto err;
str = "modulus:";
s = "publicExponent:";
} else {
- if (BIO_printf(bp, "Public-Key: (%d bit)\n", mod_len) <= 0)
+ if (BIO_printf(bp, "Public-Key: (%d bit)\n", mod_len)
+ <= 0)
goto err;
str = "Modulus:";
s = "Exponent:";
}
- if (!ASN1_bn_print(bp, str, x->n, NULL, off))
+ if (!ASN1_bn_print(bp, str, x->n, m, off))
goto err;
- if (!ASN1_bn_print(bp, s, x->e, NULL, off))
+ if (!ASN1_bn_print(bp, s, x->e, m, off))
goto err;
if (priv) {
- if (!ASN1_bn_print(bp, "privateExponent:", x->d, NULL, off))
+ if (!ASN1_bn_print(bp, "privateExponent:", x->d, m, off))
goto err;
- if (!ASN1_bn_print(bp, "prime1:", x->p, NULL, off))
+ if (!ASN1_bn_print(bp, "prime1:", x->p, m, off))
goto err;
- if (!ASN1_bn_print(bp, "prime2:", x->q, NULL, off))
+ if (!ASN1_bn_print(bp, "prime2:", x->q, m, off))
goto err;
- if (!ASN1_bn_print(bp, "exponent1:", x->dmp1, NULL, off))
+ if (!ASN1_bn_print(bp, "exponent1:", x->dmp1, m, off))
goto err;
- if (!ASN1_bn_print(bp, "exponent2:", x->dmq1, NULL, off))
+ if (!ASN1_bn_print(bp, "exponent2:", x->dmq1, m, off))
goto err;
- if (!ASN1_bn_print(bp, "coefficient:", x->iqmp, NULL, off))
+ if (!ASN1_bn_print(bp, "coefficient:", x->iqmp, m, off))
goto err;
}
ret = 1;
err:
+ if (m != NULL)
+ OPENSSL_free(m);
return (ret);
}
@@ -191,23 +268,34 @@ static int rsa_priv_print(BIO *bp, const EVP_PKEY *pkey, int indent,
/* Given an MGF1 Algorithm ID decode to an Algorithm Identifier */
static X509_ALGOR *rsa_mgf1_decode(X509_ALGOR *alg)
{
- if (alg == NULL)
+ const unsigned char *p;
+ int plen;
+ if (alg == NULL || alg->parameter == NULL)
return NULL;
if (OBJ_obj2nid(alg->algorithm) != NID_mgf1)
return NULL;
- return ASN1_TYPE_unpack_sequence(ASN1_ITEM_rptr(X509_ALGOR),
- alg->parameter);
+ if (alg->parameter->type != V_ASN1_SEQUENCE)
+ return NULL;
+
+ p = alg->parameter->value.sequence->data;
+ plen = alg->parameter->value.sequence->length;
+ return d2i_X509_ALGOR(NULL, &p, plen);
}
static RSA_PSS_PARAMS *rsa_pss_decode(const X509_ALGOR *alg,
X509_ALGOR **pmaskHash)
{
+ const unsigned char *p;
+ int plen;
RSA_PSS_PARAMS *pss;
*pmaskHash = NULL;
- pss = ASN1_TYPE_unpack_sequence(ASN1_ITEM_rptr(RSA_PSS_PARAMS),
- alg->parameter);
+ if (!alg->parameter || alg->parameter->type != V_ASN1_SEQUENCE)
+ return NULL;
+ p = alg->parameter->value.sequence->data;
+ plen = alg->parameter->value.sequence->length;
+ pss = d2i_RSA_PSS_PARAMS(NULL, &p, plen);
if (!pss)
return NULL;
@@ -299,8 +387,10 @@ static int rsa_sig_print(BIO *bp, const X509_ALGOR *sigalg,
X509_ALGOR *maskHash;
pss = rsa_pss_decode(sigalg, &maskHash);
rv = rsa_pss_param_print(bp, pss, maskHash, indent);
- RSA_PSS_PARAMS_free(pss);
- X509_ALGOR_free(maskHash);
+ if (pss)
+ RSA_PSS_PARAMS_free(pss);
+ if (maskHash)
+ X509_ALGOR_free(maskHash);
if (!rv)
return 0;
} else if (!sig && BIO_puts(bp, "\n") <= 0)
@@ -366,7 +456,7 @@ static int rsa_md_to_algor(X509_ALGOR **palg, const EVP_MD *md)
if (EVP_MD_type(md) == NID_sha1)
return 1;
*palg = X509_ALGOR_new();
- if (*palg == NULL)
+ if (!*palg)
return 0;
X509_ALGOR_set_md(*palg, md);
return 1;
@@ -386,13 +476,15 @@ static int rsa_md_to_mgf1(X509_ALGOR **palg, const EVP_MD *mgf1md)
if (!ASN1_item_pack(algtmp, ASN1_ITEM_rptr(X509_ALGOR), &stmp))
goto err;
*palg = X509_ALGOR_new();
- if (*palg == NULL)
+ if (!*palg)
goto err;
X509_ALGOR_set0(*palg, OBJ_nid2obj(NID_mgf1), V_ASN1_SEQUENCE, stmp);
stmp = NULL;
err:
- ASN1_STRING_free(stmp);
- X509_ALGOR_free(algtmp);
+ if (stmp)
+ ASN1_STRING_free(stmp);
+ if (algtmp)
+ X509_ALGOR_free(algtmp);
if (*palg)
return 1;
return 0;
@@ -459,11 +551,11 @@ static ASN1_STRING *rsa_ctx_to_pss(EVP_PKEY_CTX *pkctx)
saltlen--;
}
pss = RSA_PSS_PARAMS_new();
- if (pss == NULL)
+ if (!pss)
goto err;
if (saltlen != 20) {
pss->saltLength = ASN1_INTEGER_new();
- if (pss->saltLength == NULL)
+ if (!pss->saltLength)
goto err;
if (!ASN1_INTEGER_set(pss->saltLength, saltlen))
goto err;
@@ -477,16 +569,18 @@ static ASN1_STRING *rsa_ctx_to_pss(EVP_PKEY_CTX *pkctx)
goto err;
rv = 1;
err:
- RSA_PSS_PARAMS_free(pss);
+ if (pss)
+ RSA_PSS_PARAMS_free(pss);
if (rv)
return os;
- ASN1_STRING_free(os);
+ if (os)
+ ASN1_STRING_free(os);
return NULL;
}
/*
* From PSS AlgorithmIdentifier set public key parameters. If pkey isn't NULL
- * then the EVP_MD_CTX is setup and initialised. If it is NULL parameters are
+ * then the EVP_MD_CTX is setup and initalised. If it is NULL parameters are
* passed to pkctx instead.
*/
@@ -568,7 +662,8 @@ static int rsa_pss_to_ctx(EVP_MD_CTX *ctx, EVP_PKEY_CTX *pkctx,
err:
RSA_PSS_PARAMS_free(pss);
- X509_ALGOR_free(maskHash);
+ if (maskHash)
+ X509_ALGOR_free(maskHash);
return rv;
}
@@ -646,7 +741,7 @@ static int rsa_item_sign(EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn,
ASN1_BIT_STRING *sig)
{
int pad_mode;
- EVP_PKEY_CTX *pkctx = EVP_MD_CTX_pkey_ctx(ctx);
+ EVP_PKEY_CTX *pkctx = ctx->pctx;
if (EVP_PKEY_CTX_get_rsa_padding(pkctx, &pad_mode) <= 0)
return 0;
if (pad_mode == RSA_PKCS1_PADDING)
@@ -673,16 +768,20 @@ static int rsa_item_sign(EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn,
return 2;
}
-#ifndef OPENSSL_NO_CMS
static RSA_OAEP_PARAMS *rsa_oaep_decode(const X509_ALGOR *alg,
X509_ALGOR **pmaskHash)
{
+ const unsigned char *p;
+ int plen;
RSA_OAEP_PARAMS *pss;
*pmaskHash = NULL;
- pss = ASN1_TYPE_unpack_sequence(ASN1_ITEM_rptr(RSA_OAEP_PARAMS),
- alg->parameter);
+ if (!alg->parameter || alg->parameter->type != V_ASN1_SEQUENCE)
+ return NULL;
+ p = alg->parameter->value.sequence->data;
+ plen = alg->parameter->value.sequence->length;
+ pss = d2i_RSA_OAEP_PARAMS(NULL, &p, plen);
if (!pss)
return NULL;
@@ -692,6 +791,7 @@ static RSA_OAEP_PARAMS *rsa_oaep_decode(const X509_ALGOR *alg,
return pss;
}
+#ifndef OPENSSL_NO_CMS
static int rsa_cms_decrypt(CMS_RecipientInfo *ri)
{
EVP_PKEY_CTX *pkctx;
@@ -760,7 +860,8 @@ static int rsa_cms_decrypt(CMS_RecipientInfo *ri)
err:
RSA_OAEP_PARAMS_free(oaep);
- X509_ALGOR_free(maskHash);
+ if (maskHash)
+ X509_ALGOR_free(maskHash);
return rv;
}
@@ -793,19 +894,18 @@ static int rsa_cms_encrypt(CMS_RecipientInfo *ri)
if (labellen < 0)
goto err;
oaep = RSA_OAEP_PARAMS_new();
- if (oaep == NULL)
+ if (!oaep)
goto err;
if (!rsa_md_to_algor(&oaep->hashFunc, md))
goto err;
if (!rsa_md_to_mgf1(&oaep->maskGenFunc, mgf1md))
goto err;
if (labellen > 0) {
- ASN1_OCTET_STRING *los;
+ ASN1_OCTET_STRING *los = ASN1_OCTET_STRING_new();
oaep->pSourceFunc = X509_ALGOR_new();
- if (oaep->pSourceFunc == NULL)
+ if (!oaep->pSourceFunc)
goto err;
- los = ASN1_OCTET_STRING_new();
- if (los == NULL)
+ if (!los)
goto err;
if (!ASN1_OCTET_STRING_set(los, label, labellen)) {
ASN1_OCTET_STRING_free(los);
@@ -821,13 +921,15 @@ static int rsa_cms_encrypt(CMS_RecipientInfo *ri)
os = NULL;
rv = 1;
err:
- RSA_OAEP_PARAMS_free(oaep);
- ASN1_STRING_free(os);
+ if (oaep)
+ RSA_OAEP_PARAMS_free(oaep);
+ if (os)
+ ASN1_STRING_free(os);
return rv;
}
#endif
-const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[2] = {
+const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[] = {
{
EVP_PKEY_RSA,
EVP_PKEY_RSA,
@@ -847,7 +949,6 @@ const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[2] = {
int_rsa_size,
rsa_bits,
- rsa_security_bits,
0, 0, 0, 0, 0, 0,
generated by cgit v1.2.3 (git 2.39.1) at 2025-08-30 09:21:58 +0000