diff options
author | Matt Caswell <matt@openssl.org> | 2015-01-22 03:40:55 +0000 |
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committer | Matt Caswell <matt@openssl.org> | 2015-01-22 09:20:09 +0000 |
commit | 0f113f3ee4d629ef9a4a30911b22b224772085e5 (patch) | |
tree | e014603da5aed1d0751f587a66d6e270b6bda3de /crypto/evp/p5_crpt.c | |
parent | 22b52164aaed31d6e93dbd2d397ace041360e6aa (diff) |
Run util/openssl-format-source -v -c .
Reviewed-by: Tim Hudson <tjh@openssl.org>
Diffstat (limited to 'crypto/evp/p5_crpt.c')
-rw-r--r-- | crypto/evp/p5_crpt.c | 142 |
1 files changed, 74 insertions, 68 deletions
diff --git a/crypto/evp/p5_crpt.c b/crypto/evp/p5_crpt.c index 294cc90d87..d06ab90a3e 100644 --- a/crypto/evp/p5_crpt.c +++ b/crypto/evp/p5_crpt.c @@ -1,6 +1,7 @@ /* p5_crpt.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 @@ -62,7 +63,8 @@ #include <openssl/x509.h> #include <openssl/evp.h> -/* Doesn't do anything now: Builtin PBE algorithms in static table. +/* + * Doesn't do anything now: Builtin PBE algorithms in static table. */ void PKCS5_PBE_add(void) @@ -70,74 +72,78 @@ void PKCS5_PBE_add(void) } int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *cctx, const char *pass, int passlen, - ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, - int en_de) + ASN1_TYPE *param, const EVP_CIPHER *cipher, + const EVP_MD *md, int en_de) { - EVP_MD_CTX ctx; - unsigned char md_tmp[EVP_MAX_MD_SIZE]; - unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH]; - int i; - PBEPARAM *pbe; - int saltlen, iter; - unsigned char *salt; - const unsigned char *pbuf; - int mdsize; - int rv = 0; - EVP_MD_CTX_init(&ctx); + EVP_MD_CTX ctx; + unsigned char md_tmp[EVP_MAX_MD_SIZE]; + unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH]; + int i; + PBEPARAM *pbe; + int saltlen, iter; + unsigned char *salt; + const unsigned char *pbuf; + int mdsize; + int rv = 0; + EVP_MD_CTX_init(&ctx); - /* Extract useful info from parameter */ - if (param == NULL || param->type != V_ASN1_SEQUENCE || - param->value.sequence == NULL) { - EVPerr(EVP_F_PKCS5_PBE_KEYIVGEN,EVP_R_DECODE_ERROR); - return 0; - } + /* Extract useful info from parameter */ + if (param == NULL || param->type != V_ASN1_SEQUENCE || + param->value.sequence == NULL) { + EVPerr(EVP_F_PKCS5_PBE_KEYIVGEN, EVP_R_DECODE_ERROR); + return 0; + } - pbuf = param->value.sequence->data; - if (!(pbe = d2i_PBEPARAM(NULL, &pbuf, param->value.sequence->length))) { - EVPerr(EVP_F_PKCS5_PBE_KEYIVGEN,EVP_R_DECODE_ERROR); - return 0; - } + pbuf = param->value.sequence->data; + if (!(pbe = d2i_PBEPARAM(NULL, &pbuf, param->value.sequence->length))) { + EVPerr(EVP_F_PKCS5_PBE_KEYIVGEN, EVP_R_DECODE_ERROR); + return 0; + } - if (!pbe->iter) iter = 1; - else iter = ASN1_INTEGER_get (pbe->iter); - salt = pbe->salt->data; - saltlen = pbe->salt->length; + if (!pbe->iter) + iter = 1; + else + iter = ASN1_INTEGER_get(pbe->iter); + salt = pbe->salt->data; + saltlen = pbe->salt->length; - if(!pass) passlen = 0; - else if(passlen == -1) passlen = strlen(pass); + if (!pass) + passlen = 0; + else if (passlen == -1) + passlen = strlen(pass); - if (!EVP_DigestInit_ex(&ctx, md, NULL)) - goto err; - if (!EVP_DigestUpdate(&ctx, pass, passlen)) - goto err; - if (!EVP_DigestUpdate(&ctx, salt, saltlen)) - goto err; - PBEPARAM_free(pbe); - if (!EVP_DigestFinal_ex(&ctx, md_tmp, NULL)) - goto err; - mdsize = EVP_MD_size(md); - if (mdsize < 0) - return 0; - for (i = 1; i < iter; i++) { - if (!EVP_DigestInit_ex(&ctx, md, NULL)) - goto err; - if (!EVP_DigestUpdate(&ctx, md_tmp, mdsize)) - goto err; - if (!EVP_DigestFinal_ex (&ctx, md_tmp, NULL)) - goto err; - } - OPENSSL_assert(EVP_CIPHER_key_length(cipher) <= (int)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)); - if (!EVP_CipherInit_ex(cctx, cipher, NULL, key, iv, en_de)) - goto err; - OPENSSL_cleanse(md_tmp, EVP_MAX_MD_SIZE); - OPENSSL_cleanse(key, EVP_MAX_KEY_LENGTH); - OPENSSL_cleanse(iv, EVP_MAX_IV_LENGTH); - rv = 1; - err: - EVP_MD_CTX_cleanup(&ctx); - return rv; + if (!EVP_DigestInit_ex(&ctx, md, NULL)) + goto err; + if (!EVP_DigestUpdate(&ctx, pass, passlen)) + goto err; + if (!EVP_DigestUpdate(&ctx, salt, saltlen)) + goto err; + PBEPARAM_free(pbe); + if (!EVP_DigestFinal_ex(&ctx, md_tmp, NULL)) + goto err; + mdsize = EVP_MD_size(md); + if (mdsize < 0) + return 0; + for (i = 1; i < iter; i++) { + if (!EVP_DigestInit_ex(&ctx, md, NULL)) + goto err; + if (!EVP_DigestUpdate(&ctx, md_tmp, mdsize)) + goto err; + if (!EVP_DigestFinal_ex(&ctx, md_tmp, NULL)) + goto err; + } + OPENSSL_assert(EVP_CIPHER_key_length(cipher) <= (int)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)); + if (!EVP_CipherInit_ex(cctx, cipher, NULL, key, iv, en_de)) + goto err; + OPENSSL_cleanse(md_tmp, EVP_MAX_MD_SIZE); + OPENSSL_cleanse(key, EVP_MAX_KEY_LENGTH); + OPENSSL_cleanse(iv, EVP_MAX_IV_LENGTH); + rv = 1; + err: + EVP_MD_CTX_cleanup(&ctx); + return rv; } |