summaryrefslogtreecommitdiffstats
path: root/crypto/evp/p_sign.c
diff options
context:
space:
mode:
Diffstat (limited to 'crypto/evp/p_sign.c')
-rw-r--r--crypto/evp/p_sign.c51
1 files changed, 32 insertions, 19 deletions
diff --git a/crypto/evp/p_sign.c b/crypto/evp/p_sign.c
index 782d140..dfa48c1 100644
--- a/crypto/evp/p_sign.c
+++ b/crypto/evp/p_sign.c
@@ -80,10 +80,38 @@ int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *sigret, unsigned int *siglen,
{
unsigned char m[EVP_MAX_MD_SIZE];
unsigned int m_len;
- int i,ok=0,v;
+ int i=0,ok=0,v;
EVP_MD_CTX tmp_ctx;
+ EVP_PKEY_CTX *pkctx = NULL;
*siglen=0;
+ EVP_MD_CTX_init(&tmp_ctx);
+ 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)
+ {
+ 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];
@@ -99,28 +127,13 @@ 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);
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;
+ return(ctx->digest->sign(ctx->digest->type,m,m_len,sigret,siglen,
+ pkey->pkey.ptr));
}
OpenPOWER on IntegriCloud