Retain compatibility of EVP_DigestInit() and EVP_DigestFinal()
with existing code.

Modify library to use digest *_ex() functions.

ssl/s3_enc.c

diff --git a/ssl/s3_enc.c b/ssl/s3_enc.c
index df5cd73..833fea8 100644
--- a/ssl/s3_enc.c
+++ b/ssl/s3_enc.c
@@ -107,25 +107,25 @@
 		for (j=0; j<k; j++)
 			buf[j]=c;
 		c++;
-		EVP_DigestInit(&s1,EVP_sha1());
+		EVP_DigestInit_ex(&s1,EVP_sha1(), NULL);
 		EVP_DigestUpdate(&s1,buf,k);
 		EVP_DigestUpdate(&s1,s->session->master_key,
 			s->session->master_key_length);
 		EVP_DigestUpdate(&s1,s->s3->server_random,SSL3_RANDOM_SIZE);
 		EVP_DigestUpdate(&s1,s->s3->client_random,SSL3_RANDOM_SIZE);
-		EVP_DigestFinal(&s1,smd,NULL);
+		EVP_DigestFinal_ex(&s1,smd,NULL);
 
-		EVP_DigestInit(&m5,EVP_md5());
+		EVP_DigestInit_ex(&m5,EVP_md5(), NULL);
 		EVP_DigestUpdate(&m5,s->session->master_key,
 			s->session->master_key_length);
 		EVP_DigestUpdate(&m5,smd,SHA_DIGEST_LENGTH);
 		if ((i+MD5_DIGEST_LENGTH) > num)
 			{
-			EVP_DigestFinal(&m5,smd,NULL);
+			EVP_DigestFinal_ex(&m5,smd,NULL);
 			memcpy(km,smd,(num-i));
 			}
 		else
-			EVP_DigestFinal(&m5,km,NULL);
+			EVP_DigestFinal_ex(&m5,km,NULL);
 
 		km+=MD5_DIGEST_LENGTH;
 		}
@@ -256,19 +256,19 @@
 		/* In here I set both the read and write key/iv to the
 		 * same value since only the correct one will be used :-).
 		 */
-		EVP_DigestInit(&md,EVP_md5());
+		EVP_DigestInit_ex(&md,EVP_md5(), NULL);
 		EVP_DigestUpdate(&md,key,j);
 		EVP_DigestUpdate(&md,er1,SSL3_RANDOM_SIZE);
 		EVP_DigestUpdate(&md,er2,SSL3_RANDOM_SIZE);
-		EVP_DigestFinal(&md,&(exp_key[0]),NULL);
+		EVP_DigestFinal_ex(&md,&(exp_key[0]),NULL);
 		key= &(exp_key[0]);
 
 		if (k > 0)
 			{
-			EVP_DigestInit(&md,EVP_md5());
+			EVP_DigestInit_ex(&md,EVP_md5(), NULL);
 			EVP_DigestUpdate(&md,er1,SSL3_RANDOM_SIZE);
 			EVP_DigestUpdate(&md,er2,SSL3_RANDOM_SIZE);
-			EVP_DigestFinal(&md,&(exp_iv[0]),NULL);
+			EVP_DigestFinal_ex(&md,&(exp_iv[0]),NULL);
 			iv= &(exp_iv[0]);
 			}
 		}
@@ -421,8 +421,8 @@
 
 void ssl3_init_finished_mac(SSL *s)
 	{
-	EVP_DigestInit(&(s->s3->finish_dgst1),s->ctx->md5);
-	EVP_DigestInit(&(s->s3->finish_dgst2),s->ctx->sha1);
+	EVP_DigestInit_ex(&(s->s3->finish_dgst1),s->ctx->md5, NULL);
+	EVP_DigestInit_ex(&(s->s3->finish_dgst2),s->ctx->sha1, NULL);
 	}
 
 void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len)
@@ -457,7 +457,7 @@
 	EVP_MD_CTX ctx;
 
 	EVP_MD_CTX_init(&ctx);
-	EVP_MD_CTX_copy(&ctx,in_ctx);
+	EVP_MD_CTX_copy_ex(&ctx,in_ctx);
 
 	n=EVP_MD_CTX_size(&ctx);
 	npad=(48/n)*n;
@@ -467,14 +467,14 @@
 	EVP_DigestUpdate(&ctx,s->session->master_key,
 		s->session->master_key_length);
 	EVP_DigestUpdate(&ctx,ssl3_pad_1,npad);
-	EVP_DigestFinal(&ctx,md_buf,&i);
+	EVP_DigestFinal_ex(&ctx,md_buf,&i);
 
-	EVP_DigestInit(&ctx,EVP_MD_CTX_md(&ctx));
+	EVP_DigestInit_ex(&ctx,EVP_MD_CTX_md(&ctx), NULL);
 	EVP_DigestUpdate(&ctx,s->session->master_key,
 		s->session->master_key_length);
 	EVP_DigestUpdate(&ctx,ssl3_pad_2,npad);
 	EVP_DigestUpdate(&ctx,md_buf,i);
-	EVP_DigestFinal(&ctx,p,&ret);
+	EVP_DigestFinal_ex(&ctx,p,&ret);
 
 	EVP_MD_CTX_cleanup(&ctx);
 
@@ -512,7 +512,7 @@
 	/* Chop the digest off the end :-) */
 	EVP_MD_CTX_init(&md_ctx);
 
-	EVP_DigestInit(  &md_ctx,hash);
+	EVP_DigestInit_ex(  &md_ctx,hash, NULL);
 	EVP_DigestUpdate(&md_ctx,mac_sec,md_size);
 	EVP_DigestUpdate(&md_ctx,ssl3_pad_1,npad);
 	EVP_DigestUpdate(&md_ctx,seq,8);
@@ -522,13 +522,13 @@
 	s2n(rec->length,p);
 	EVP_DigestUpdate(&md_ctx,md,2);
 	EVP_DigestUpdate(&md_ctx,rec->input,rec->length);
-	EVP_DigestFinal( &md_ctx,md,NULL);
+	EVP_DigestFinal_ex( &md_ctx,md,NULL);
 
-	EVP_DigestInit(  &md_ctx,hash);
+	EVP_DigestInit_ex(  &md_ctx,hash, NULL);
 	EVP_DigestUpdate(&md_ctx,mac_sec,md_size);
 	EVP_DigestUpdate(&md_ctx,ssl3_pad_2,npad);
 	EVP_DigestUpdate(&md_ctx,md,md_size);
-	EVP_DigestFinal( &md_ctx,md,&md_size);
+	EVP_DigestFinal_ex( &md_ctx,md,&md_size);
 
 	EVP_MD_CTX_cleanup(&md_ctx);
 
@@ -563,19 +563,19 @@
 	EVP_MD_CTX_init(&ctx);
 	for (i=0; i<3; i++)
 		{
-		EVP_DigestInit(&ctx,s->ctx->sha1);
+		EVP_DigestInit_ex(&ctx,s->ctx->sha1, NULL);
 		EVP_DigestUpdate(&ctx,salt[i],strlen((const char *)salt[i]));
 		EVP_DigestUpdate(&ctx,p,len);
 		EVP_DigestUpdate(&ctx,&(s->s3->client_random[0]),
 			SSL3_RANDOM_SIZE);
 		EVP_DigestUpdate(&ctx,&(s->s3->server_random[0]),
 			SSL3_RANDOM_SIZE);
-		EVP_DigestFinal(&ctx,buf,&n);
+		EVP_DigestFinal_ex(&ctx,buf,&n);
 
-		EVP_DigestInit(&ctx,s->ctx->md5);
+		EVP_DigestInit_ex(&ctx,s->ctx->md5, NULL);
 		EVP_DigestUpdate(&ctx,p,len);
 		EVP_DigestUpdate(&ctx,buf,n);
-		EVP_DigestFinal(&ctx,out,&n);
+		EVP_DigestFinal_ex(&ctx,out,&n);
 		out+=n;
 		ret+=n;
 		}