Add the modes OFB128, CFB128 and CTR128 to AES.

Submitted by Stephen Sprunk <stephen@sprunk.org>

1 files changed, 10 insertions, 1 deletions

diff --git a/crypto/aes/aes_locl.h b/crypto/aes/aes_locl.h
index d49e829933..541d1d6e84 100644
--- a/crypto/aes/aes_locl.h
+++ b/crypto/aes/aes_locl.h
@@ -1,6 +1,6 @@
 /* crypto/aes/aes.h -*- mode:C; c-file-style: "eay" -*- */
 /* ====================================================================
- * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
+ * Copyright (c) 1998-2002 The OpenSSL Project.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -65,6 +65,15 @@
 #include <string.h>
 #endif
 
+#ifdef _MSC_VER
+# define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00)
+# define GETU32(p) SWAP(*((u32 *)(p)))
+# define PUTU32(ct, st) { *((u32 *)(ct)) = SWAP((st)); }
+#else
+# define GETU32(pt) (((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^ ((u32)(pt)[2] <<  8) ^ ((u32)(pt)[3]))
+# define PUTU32(ct, st) { (ct)[0] = (u8)((st) >> 24); (ct)[1] = (u8)((st) >> 16); (ct)[2] = (u8)((st) >>  8); (ct)[3] = (u8)(st); }
+#endif
+
 typedef unsigned long u32;
 typedef unsigned short u16;
 typedef unsigned char u8;