X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fevp%2Fp_seal.c;h=ff60bb5348209e3345c5af1415d116624d1ca6e5;hp=e372f138c70d508f0cb18bb68e0ebd5a95dce38c;hb=0f539dc1a2f45580435c39dada44dd276e79cb88;hpb=691401fc53cc14cd98ac885e842e1e8370280abc diff --git a/crypto/evp/p_seal.c b/crypto/evp/p_seal.c index e372f138c7..ff60bb5348 100644 --- a/crypto/evp/p_seal.c +++ b/crypto/evp/p_seal.c @@ -5,21 +5,21 @@ * 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: @@ -34,10 +34,10 @@ * 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 + * 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 @@ -49,7 +49,7 @@ * 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 @@ -57,52 +57,65 @@ */ #include -#include "cryptlib.h" +#include "internal/cryptlib.h" #include -#ifndef NO_RSA -#include +#ifndef OPENSSL_NO_RSA +# include #endif #include #include #include -int EVP_SealInit(EVP_CIPHER_CTX *ctx, EVP_CIPHER *type, unsigned char **ek, - int *ekl, unsigned char *iv, EVP_PKEY **pubk, int npubk) - { - unsigned char key[EVP_MAX_KEY_LENGTH]; - int i; - - if (npubk <= 0) return(0); - if (RAND_bytes(key,EVP_MAX_KEY_LENGTH) <= 0) return(0); - if (type->iv_len > 0) - RAND_bytes(iv,type->iv_len); +int EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type, + unsigned char **ek, int *ekl, unsigned char *iv, + EVP_PKEY **pubk, int npubk) +{ + unsigned char key[EVP_MAX_KEY_LENGTH]; + int i; + + if (type) { + EVP_CIPHER_CTX_init(ctx); + if (!EVP_EncryptInit_ex(ctx, type, NULL, NULL, NULL)) + return 0; + } + if ((npubk <= 0) || !pubk) + return 1; + if (EVP_CIPHER_CTX_rand_key(ctx, key) <= 0) + return 0; + if (EVP_CIPHER_CTX_iv_length(ctx) + && RAND_bytes(iv, EVP_CIPHER_CTX_iv_length(ctx)) <= 0) + return 0; - EVP_CIPHER_CTX_init(ctx); - EVP_EncryptInit(ctx,type,key,iv); + if (!EVP_EncryptInit_ex(ctx, NULL, NULL, key, iv)) + return 0; - for (i=0; i