MFC: Reliability fix for SHA384 SSL/TLS ciphers on strict alignment

architectures.  ok miod@ djm@

1 files changed, 8 insertions, 1 deletions

diff --git a/src/lib/libssl/src/crypto/sha/sha512.c b/src/lib/libssl/src/crypto/sha/sha512.c
index 50dd7dc744..8fc6f1890e 100644
--- a/src/lib/libssl/src/crypto/sha/sha512.c
+++ b/src/lib/libssl/src/crypto/sha/sha512.c
@@ -232,7 +232,14 @@ int SHA384_Update (SHA512_CTX *c, const void *data, size_t len)
 {   return SHA512_Update (c,data,len);   }
 
 void SHA512_Transform (SHA512_CTX *c, const unsigned char *data)
-{   sha512_block_data_order (c,data,1);  }
+       {
+#ifndef SHA512_BLOCK_CAN_MANAGE_UNALIGNED_DATA
+       if ((size_t)data%sizeof(c->u.d[0]) != 0)
+               memcpy(c->u.p,data,sizeof(c->u.p)),
+               data = c->u.p;
+#endif
+       sha512_block_data_order (c,data,1);
+       }
 
 unsigned char *SHA384(const unsigned char *d, size_t n, unsigned char *md)
         {