X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=crypto%2Fevp%2Fp_verify.c;h=65e1e21692836af499257a3cdfb7dccbc3636d23;hb=66509ddbd00179e8be58d54cf5576fb6b74d0131;hp=21a40a375e1b71b6e3a2c17bd0a8ee840cde1ec2;hpb=875a644a9047e96dfcce27af876d30460759805e;p=oweals%2Fopenssl.git

diff --git a/crypto/evp/p_verify.c b/crypto/evp/p_verify.c
index 21a40a375e..65e1e21692 100644
--- a/crypto/evp/p_verify.c
+++ b/crypto/evp/p_verify.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
@@ -63,39 +63,54 @@
 #include <openssl/x509.h>
 
 int EVP_VerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sigbuf,
-	     unsigned int siglen, EVP_PKEY *pkey)
-	{
-	unsigned char m[EVP_MAX_MD_SIZE];
-	unsigned int m_len;
-	int i,ok=0,v;
-	MS_STATIC EVP_MD_CTX tmp_ctx;
+                    unsigned int siglen, EVP_PKEY *pkey)
+{
+    unsigned char m[EVP_MAX_MD_SIZE];
+    unsigned int m_len;
+    int i = 0, ok = 0, v;
+    EVP_MD_CTX tmp_ctx;
+    EVP_PKEY_CTX *pkctx = NULL;
+
+    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);
 
-	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_VERIFYFINAL,EVP_R_WRONG_PUBLIC_KEY_TYPE);
-		return(-1);
-		}
-	EVP_MD_CTX_init(&tmp_ctx);
-	EVP_MD_CTX_copy_ex(&tmp_ctx,ctx);     
-	EVP_DigestFinal_ex(&tmp_ctx,&(m[0]),&m_len);
-	EVP_MD_CTX_cleanup(&tmp_ctx);
-        if (ctx->digest->verify == NULL)
-                {
-		EVPerr(EVP_F_EVP_VERIFYFINAL,EVP_R_NO_VERIFY_FUNCTION_CONFIGURED);
-		return(0);
-		}
+    if (ctx->digest->flags & EVP_MD_FLAG_PKEY_METHOD_SIGNATURE) {
+        i = -1;
+        pkctx = EVP_PKEY_CTX_new(pkey, NULL);
+        if (!pkctx)
+            goto err;
+        if (EVP_PKEY_verify_init(pkctx) <= 0)
+            goto err;
+        if (EVP_PKEY_CTX_set_signature_md(pkctx, ctx->digest) <= 0)
+            goto err;
+        i = EVP_PKEY_verify(pkctx, sigbuf, siglen, m, m_len);
+ err:
+        EVP_PKEY_CTX_free(pkctx);
+        return i;
+    }
 
-	return(ctx->digest->verify(ctx->digest->type,m,m_len,
-		sigbuf,siglen,pkey->pkey.ptr));
-	}
+    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_VERIFYFINAL, EVP_R_WRONG_PUBLIC_KEY_TYPE);
+        return (-1);
+    }
+    if (ctx->digest->verify == NULL) {
+        EVPerr(EVP_F_EVP_VERIFYFINAL, EVP_R_NO_VERIFY_FUNCTION_CONFIGURED);
+        return (0);
+    }
 
+    return (ctx->digest->verify(ctx->digest->type, m, m_len,
+                                sigbuf, siglen, pkey->pkey.ptr));
+}