Add new function, EVP_MD_CTX_copy() to replace frequent use of memcpy.

[openssl.git] / crypto / evp / p_verify.c

diff --git a/crypto/evp/p_verify.c b/crypto/evp/p_verify.c
index 4dbaf1ea269def41073cc301fd2f90c7303b1f1f..0a9bb05a746ef30b9d6c5bc227e7ba0496c2369a 100644 (file)
--- a/crypto/evp/p_verify.c
+++ b/crypto/evp/p_verify.c
@@ -1,5 +1,5 @@
 /* crypto/evp/p_verify.c */
-/* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
  * This package is an SSL implementation written
@@ -71,6 +71,7 @@ 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;
 
        for (i=0; i<4; i++)
                {
@@ -87,7 +88,8 @@ EVP_PKEY *pkey;
                EVPerr(EVP_F_EVP_VERIFYFINAL,EVP_R_WRONG_PUBLIC_KEY_TYPE);
                return(-1);
                }
-       EVP_DigestFinal(ctx,&(m[0]),&m_len);
+       EVP_MD_CTX_copy(&tmp_ctx,ctx);     
+       EVP_DigestFinal(&tmp_ctx,&(m[0]),&m_len);
         if (ctx->digest->verify == NULL)
                 {
                EVPerr(EVP_F_EVP_VERIFYFINAL,EVP_R_NO_VERIFY_FUNCTION_CONFIGURED);
@@ -97,3 +99,4 @@ EVP_PKEY *pkey;
        return(ctx->digest->verify(ctx->digest->type,m,m_len,
                sigbuf,siglen,pkey->pkey.ptr));
        }
+