diff options
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/asn1/p5_pbe.c')
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/asn1/p5_pbe.c | 124 |
1 files changed, 68 insertions, 56 deletions
diff --git a/Cryptlib/OpenSSL/crypto/asn1/p5_pbe.c b/Cryptlib/OpenSSL/crypto/asn1/p5_pbe.c index c4582f80..bdbfdcd6 100644 --- a/Cryptlib/OpenSSL/crypto/asn1/p5_pbe.c +++ b/Cryptlib/OpenSSL/crypto/asn1/p5_pbe.c @@ -1,6 +1,7 @@ /* p5_pbe.c */ -/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL - * project 1999. +/* + * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project + * 1999. */ /* ==================================================================== * Copyright (c) 1999 The OpenSSL Project. All rights reserved. @@ -10,7 +11,7 @@ * are met: * * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. + * 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 @@ -65,67 +66,78 @@ /* PKCS#5 password based encryption structure */ ASN1_SEQUENCE(PBEPARAM) = { - ASN1_SIMPLE(PBEPARAM, salt, ASN1_OCTET_STRING), - ASN1_SIMPLE(PBEPARAM, iter, ASN1_INTEGER) + ASN1_SIMPLE(PBEPARAM, salt, ASN1_OCTET_STRING), + ASN1_SIMPLE(PBEPARAM, iter, ASN1_INTEGER) } ASN1_SEQUENCE_END(PBEPARAM) IMPLEMENT_ASN1_FUNCTIONS(PBEPARAM) -/* Return an algorithm identifier for a PKCS#5 PBE algorithm */ +/* Set an algorithm identifier for a PKCS#5 PBE algorithm */ -X509_ALGOR *PKCS5_pbe_set(int alg, int iter, unsigned char *salt, - int saltlen) +int PKCS5_pbe_set0_algor(X509_ALGOR *algor, int alg, int iter, + const unsigned char *salt, int saltlen) { - PBEPARAM *pbe=NULL; - ASN1_OBJECT *al; - X509_ALGOR *algor; - ASN1_TYPE *astype=NULL; + PBEPARAM *pbe = NULL; + ASN1_STRING *pbe_str = NULL; + unsigned char *sstr; + + pbe = PBEPARAM_new(); + if (!pbe) { + ASN1err(ASN1_F_PKCS5_PBE_SET0_ALGOR, ERR_R_MALLOC_FAILURE); + goto err; + } + if (iter <= 0) + iter = PKCS5_DEFAULT_ITER; + if (!ASN1_INTEGER_set(pbe->iter, iter)) { + ASN1err(ASN1_F_PKCS5_PBE_SET0_ALGOR, ERR_R_MALLOC_FAILURE); + goto err; + } + if (!saltlen) + saltlen = PKCS5_SALT_LEN; + if (!ASN1_STRING_set(pbe->salt, NULL, saltlen)) { + ASN1err(ASN1_F_PKCS5_PBE_SET0_ALGOR, ERR_R_MALLOC_FAILURE); + goto err; + } + sstr = ASN1_STRING_data(pbe->salt); + if (salt) + memcpy(sstr, salt, saltlen); + else if (RAND_pseudo_bytes(sstr, saltlen) < 0) + goto err; + + if (!ASN1_item_pack(pbe, ASN1_ITEM_rptr(PBEPARAM), &pbe_str)) { + ASN1err(ASN1_F_PKCS5_PBE_SET0_ALGOR, ERR_R_MALLOC_FAILURE); + goto err; + } - if (!(pbe = PBEPARAM_new ())) { - ASN1err(ASN1_F_PKCS5_PBE_SET,ERR_R_MALLOC_FAILURE); - goto err; - } - if(iter <= 0) iter = PKCS5_DEFAULT_ITER; - if (!ASN1_INTEGER_set(pbe->iter, iter)) { - ASN1err(ASN1_F_PKCS5_PBE_SET,ERR_R_MALLOC_FAILURE); - goto err; - } - if (!saltlen) saltlen = PKCS5_SALT_LEN; - if (!(pbe->salt->data = OPENSSL_malloc (saltlen))) { - ASN1err(ASN1_F_PKCS5_PBE_SET,ERR_R_MALLOC_FAILURE); - goto err; - } - pbe->salt->length = saltlen; - if (salt) memcpy (pbe->salt->data, salt, saltlen); - else if (RAND_pseudo_bytes (pbe->salt->data, saltlen) < 0) - goto err; + PBEPARAM_free(pbe); + pbe = NULL; - if (!(astype = ASN1_TYPE_new())) { - ASN1err(ASN1_F_PKCS5_PBE_SET,ERR_R_MALLOC_FAILURE); - goto err; - } + if (X509_ALGOR_set0(algor, OBJ_nid2obj(alg), V_ASN1_SEQUENCE, pbe_str)) + return 1; + + err: + if (pbe != NULL) + PBEPARAM_free(pbe); + if (pbe_str != NULL) + ASN1_STRING_free(pbe_str); + return 0; +} + +/* Return an algorithm identifier for a PKCS#5 PBE algorithm */ + +X509_ALGOR *PKCS5_pbe_set(int alg, int iter, + const unsigned char *salt, int saltlen) +{ + X509_ALGOR *ret; + ret = X509_ALGOR_new(); + if (!ret) { + ASN1err(ASN1_F_PKCS5_PBE_SET, ERR_R_MALLOC_FAILURE); + return NULL; + } - astype->type = V_ASN1_SEQUENCE; - if(!ASN1_pack_string_of(PBEPARAM, pbe, i2d_PBEPARAM, - &astype->value.sequence)) { - ASN1err(ASN1_F_PKCS5_PBE_SET,ERR_R_MALLOC_FAILURE); - goto err; - } - PBEPARAM_free (pbe); - pbe = NULL; - - al = OBJ_nid2obj(alg); /* never need to free al */ - if (!(algor = X509_ALGOR_new())) { - ASN1err(ASN1_F_PKCS5_PBE_SET,ERR_R_MALLOC_FAILURE); - goto err; - } - ASN1_OBJECT_free(algor->algorithm); - algor->algorithm = al; - algor->parameter = astype; + if (PKCS5_pbe_set0_algor(ret, alg, iter, salt, saltlen)) + return ret; - return (algor); -err: - if (pbe != NULL) PBEPARAM_free(pbe); - if (astype != NULL) ASN1_TYPE_free(astype); - return NULL; + X509_ALGOR_free(ret); + return NULL; } |
