diff options
Diffstat (limited to 'crypto/evp/p_sign.c')
| -rw-r--r-- | crypto/evp/p_sign.c | 116 |
1 files changed, 54 insertions, 62 deletions
diff --git a/crypto/evp/p_sign.c b/crypto/evp/p_sign.c index 782d14055a43..6f31912725ad 100644 --- a/crypto/evp/p_sign.c +++ b/crypto/evp/p_sign.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 @@ -64,63 +64,55 @@ #ifdef undef void EVP_SignInit(EVP_MD_CTX *ctx, EVP_MD *type) - { - EVP_DigestInit_ex(ctx,type); - } +{ + EVP_DigestInit_ex(ctx, type); +} -void EVP_SignUpdate(EVP_MD_CTX *ctx, unsigned char *data, - unsigned int count) - { - EVP_DigestUpdate(ctx,data,count); - } +void EVP_SignUpdate(EVP_MD_CTX *ctx, unsigned char *data, unsigned int count) +{ + EVP_DigestUpdate(ctx, data, count); +} #endif -int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret, unsigned int *siglen, - EVP_PKEY *pkey) - { - unsigned char m[EVP_MAX_MD_SIZE]; - unsigned int m_len; - int i,ok=0,v; - EVP_MD_CTX tmp_ctx; - - *siglen=0; - for (i=0; i<4; i++) - { - v=ctx->digest->required_pkey_type[i]; - if (v == 0) break; - if (pkey->type == v) - { - ok=1; - break; - } - } - if (!ok) - { - EVPerr(EVP_F_EVP_SIGNFINAL,EVP_R_WRONG_PUBLIC_KEY_TYPE); - return(0); - } - if (ctx->digest->sign == NULL) - { - EVPerr(EVP_F_EVP_SIGNFINAL,EVP_R_NO_SIGN_FUNCTION_CONFIGURED); - return(0); - } - EVP_MD_CTX_init(&tmp_ctx); - EVP_MD_CTX_copy_ex(&tmp_ctx,ctx); - if (ctx->digest->flags & EVP_MD_FLAG_SVCTX) - { - EVP_MD_SVCTX sctmp; - sctmp.mctx = &tmp_ctx; - sctmp.key = pkey->pkey.ptr; - i = ctx->digest->sign(ctx->digest->type, - NULL, -1, sigret, siglen, &sctmp); - } - else - { - EVP_DigestFinal_ex(&tmp_ctx,&(m[0]),&m_len); - i = ctx->digest->sign(ctx->digest->type,m,m_len,sigret,siglen, - pkey->pkey.ptr); - } - EVP_MD_CTX_cleanup(&tmp_ctx); - return i; - } +int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret, + unsigned int *siglen, EVP_PKEY *pkey) +{ + unsigned char m[EVP_MAX_MD_SIZE]; + unsigned int m_len; + int i, ok = 0, v; + EVP_MD_CTX tmp_ctx; + *siglen = 0; + for (i = 0; i < 4; i++) { + v = ctx->digest->required_pkey_type[i]; + if (v == 0) + break; + if (pkey->type == v) { + ok = 1; + break; + } + } + if (!ok) { + EVPerr(EVP_F_EVP_SIGNFINAL, EVP_R_WRONG_PUBLIC_KEY_TYPE); + return (0); + } + if (ctx->digest->sign == NULL) { + EVPerr(EVP_F_EVP_SIGNFINAL, EVP_R_NO_SIGN_FUNCTION_CONFIGURED); + return (0); + } + EVP_MD_CTX_init(&tmp_ctx); + EVP_MD_CTX_copy_ex(&tmp_ctx, ctx); + if (ctx->digest->flags & EVP_MD_FLAG_SVCTX) { + EVP_MD_SVCTX sctmp; + sctmp.mctx = &tmp_ctx; + sctmp.key = pkey->pkey.ptr; + i = ctx->digest->sign(ctx->digest->type, + NULL, -1, sigret, siglen, &sctmp); + } else { + EVP_DigestFinal_ex(&tmp_ctx, &(m[0]), &m_len); + i = ctx->digest->sign(ctx->digest->type, m, m_len, sigret, siglen, + pkey->pkey.ptr); + } + EVP_MD_CTX_cleanup(&tmp_ctx); + return i; +} |