Update ssl library to support EVP_PKEY MAC API. Include generic MAC support.

ssl/d1_enc.c

diff --git a/ssl/d1_enc.c b/ssl/d1_enc.c
index cbff749..ef4d880 100644
--- a/ssl/d1_enc.c
+++ b/ssl/d1_enc.c
@@ -132,8 +132,8 @@
 
 	if (send)
 		{
-		if (s->write_hash != NULL)
-			n=EVP_MD_size(s->write_hash);
+		if (EVP_MD_CTX_md(s->write_hash))
+			n=EVP_MD_CTX_size(s->write_hash);
 		ds=s->enc_write_ctx;
 		rec= &(s->s3->wrec);
 		if (s->enc_write_ctx == NULL)
@@ -154,8 +154,8 @@
 		}
 	else
 		{
-		if (s->read_hash != NULL)
-			n=EVP_MD_size(s->read_hash);
+		if (EVP_MD_CTX_md(s->read_hash))
+			n=EVP_MD_CTX_size(s->read_hash);
 		ds=s->enc_read_ctx;
 		rec= &(s->s3->rrec);
 		if (s->enc_read_ctx == NULL)