diff options
Diffstat (limited to 'crypto/evp/p_sign.c')
| -rw-r--r-- | crypto/evp/p_sign.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/crypto/evp/p_sign.c b/crypto/evp/p_sign.c index e4ae5906f5..65bb474213 100644 --- a/crypto/evp/p_sign.c +++ b/crypto/evp/p_sign.c @@ -85,9 +85,33 @@ int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret, unsigned int *siglen, *siglen=0; EVP_MD_CTX_init(&tmp_ctx); - EVP_MD_CTX_copy_ex(&tmp_ctx,ctx); - EVP_DigestFinal_ex(&tmp_ctx,&(m[0]),&m_len); + if (!EVP_MD_CTX_copy_ex(&tmp_ctx,ctx)) + goto err; + if (!EVP_DigestFinal_ex(&tmp_ctx,&(m[0]),&m_len)) + goto err; EVP_MD_CTX_cleanup(&tmp_ctx); + + if (ctx->digest->flags & EVP_MD_FLAG_PKEY_METHOD_SIGNATURE) + { + EVP_PKEY_CTX *pkctx = NULL; + size_t sltmp = (size_t)EVP_PKEY_size(pkey); + i = 0; + pkctx = EVP_PKEY_CTX_new(pkey, NULL); + if (!pkctx) + goto err; + if (EVP_PKEY_sign_init(pkctx) <= 0) + goto err; + if (EVP_PKEY_CTX_set_signature_md(pkctx, ctx->digest) <= 0) + goto err; + if (EVP_PKEY_sign(pkctx, sigret, &sltmp, m, m_len) <= 0) + goto err; + *siglen = sltmp; + i = 1; + err: + EVP_PKEY_CTX_free(pkctx); + return i; + } + for (i=0; i<4; i++) { v=ctx->digest->required_pkey_type[i]; @@ -103,6 +127,7 @@ int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret, unsigned int *siglen, 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); |