diff options
Diffstat (limited to 'crypto/openssl/crypto/evp/p5_crpt.c')
| -rw-r--r-- | crypto/openssl/crypto/evp/p5_crpt.c | 50 |
1 files changed, 27 insertions, 23 deletions
diff --git a/crypto/openssl/crypto/evp/p5_crpt.c b/crypto/openssl/crypto/evp/p5_crpt.c index 6bfa2c5..a1874e8 100644 --- a/crypto/openssl/crypto/evp/p5_crpt.c +++ b/crypto/openssl/crypto/evp/p5_crpt.c @@ -58,50 +58,50 @@ #include <stdio.h> #include <stdlib.h> +#include "cryptlib.h" #include <openssl/x509.h> #include <openssl/evp.h> -#include "cryptlib.h" /* PKCS#5 v1.5 compatible PBE functions: see PKCS#5 v2.0 for more info. */ void PKCS5_PBE_add(void) { -#ifndef NO_DES -# ifndef NO_MD5 +#ifndef OPENSSL_NO_DES +# ifndef OPENSSL_NO_MD5 EVP_PBE_alg_add(NID_pbeWithMD5AndDES_CBC, EVP_des_cbc(), EVP_md5(), PKCS5_PBE_keyivgen); # endif -# ifndef NO_MD2 +# ifndef OPENSSL_NO_MD2 EVP_PBE_alg_add(NID_pbeWithMD2AndDES_CBC, EVP_des_cbc(), EVP_md2(), PKCS5_PBE_keyivgen); # endif -# ifndef NO_SHA +# ifndef OPENSSL_NO_SHA EVP_PBE_alg_add(NID_pbeWithSHA1AndDES_CBC, EVP_des_cbc(), EVP_sha1(), PKCS5_PBE_keyivgen); # endif #endif -#ifndef NO_RC2 -# ifndef NO_MD5 +#ifndef OPENSSL_NO_RC2 +# ifndef OPENSSL_NO_MD5 EVP_PBE_alg_add(NID_pbeWithMD5AndRC2_CBC, EVP_rc2_64_cbc(), EVP_md5(), PKCS5_PBE_keyivgen); # endif -# ifndef NO_MD2 +# ifndef OPENSSL_NO_MD2 EVP_PBE_alg_add(NID_pbeWithMD2AndRC2_CBC, EVP_rc2_64_cbc(), EVP_md2(), PKCS5_PBE_keyivgen); # endif -# ifndef NO_SHA +# ifndef OPENSSL_NO_SHA EVP_PBE_alg_add(NID_pbeWithSHA1AndRC2_CBC, EVP_rc2_64_cbc(), EVP_sha1(), PKCS5_PBE_keyivgen); # endif #endif -#ifndef NO_HMAC +#ifndef OPENSSL_NO_HMAC EVP_PBE_alg_add(NID_pbes2, NULL, NULL, PKCS5_v2_PBE_keyivgen); #endif } int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *cctx, const char *pass, int passlen, - ASN1_TYPE *param, EVP_CIPHER *cipher, EVP_MD *md, + ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, int en_de) { EVP_MD_CTX ctx; @@ -128,22 +128,26 @@ int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *cctx, const char *pass, int passlen, if(!pass) passlen = 0; else if(passlen == -1) passlen = strlen(pass); - EVP_DigestInit (&ctx, md); - EVP_DigestUpdate (&ctx, pass, passlen); - EVP_DigestUpdate (&ctx, salt, saltlen); + EVP_MD_CTX_init(&ctx); + EVP_DigestInit_ex(&ctx, md, NULL); + EVP_DigestUpdate(&ctx, pass, passlen); + EVP_DigestUpdate(&ctx, salt, saltlen); PBEPARAM_free(pbe); - EVP_DigestFinal (&ctx, md_tmp, NULL); + EVP_DigestFinal_ex(&ctx, md_tmp, NULL); for (i = 1; i < iter; i++) { - EVP_DigestInit(&ctx, md); + EVP_DigestInit_ex(&ctx, md, NULL); EVP_DigestUpdate(&ctx, md_tmp, EVP_MD_size(md)); - EVP_DigestFinal (&ctx, md_tmp, NULL); + EVP_DigestFinal_ex (&ctx, md_tmp, NULL); } - memcpy (key, md_tmp, EVP_CIPHER_key_length(cipher)); - memcpy (iv, md_tmp + (16 - EVP_CIPHER_iv_length(cipher)), + EVP_MD_CTX_cleanup(&ctx); + OPENSSL_assert(EVP_CIPHER_key_length(cipher) <= sizeof md_tmp); + memcpy(key, md_tmp, EVP_CIPHER_key_length(cipher)); + OPENSSL_assert(EVP_CIPHER_iv_length(cipher) <= 16); + memcpy(iv, md_tmp + (16 - EVP_CIPHER_iv_length(cipher)), EVP_CIPHER_iv_length(cipher)); - EVP_CipherInit(cctx, cipher, key, iv, en_de); - memset(md_tmp, 0, EVP_MAX_MD_SIZE); - memset(key, 0, EVP_MAX_KEY_LENGTH); - memset(iv, 0, EVP_MAX_IV_LENGTH); + EVP_CipherInit_ex(cctx, cipher, NULL, key, iv, en_de); + OPENSSL_cleanse(md_tmp, EVP_MAX_MD_SIZE); + OPENSSL_cleanse(key, EVP_MAX_KEY_LENGTH); + OPENSSL_cleanse(iv, EVP_MAX_IV_LENGTH); return 1; } |
