Diff: ctc_aes.h

Revision:

0:5045d2638c29

Child:

1:2cec76fea11b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ctc_aes.h	Sat Feb 05 01:09:17 2011 +0000
@@ -0,0 +1,84 @@
+/* ctc_aes.h
+ *
+ * Copyright (C) 2006-2009 Sawtooth Consulting Ltd.
+ *
+ * This file is part of CyaSSL.
+ *
+ * CyaSSL is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * CyaSSL is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+#ifndef NO_AES
+
+#ifndef CTAO_CRYPT_AES_H
+#define CTAO_CRYPT_AES_H
+
+
+#include "types.h"
+
+#ifdef CYASSL_AESNI
+
+#include <wmmintrin.h>
+
+#if !defined (ALIGN16)
+    #if defined (__GNUC__)
+        #define ALIGN16 __attribute__ ( (aligned (16)))
+    #elif defined(_MSC_VER)
+        #define ALIGN16 __declspec (align (16))
+    #else
+        #define ALIGN16
+    #endif
+#endif
+
+#endif /* CYASSL_AESNI */
+
+#if !defined (ALIGN16)
+    #define ALIGN16
+#endif
+
+#ifdef __cplusplus
+    extern "C" {
+#endif
+
+
+enum {
+    AES_ENCRYPTION = 0,
+    AES_DECRYPTION = 1,
+    AES_BLOCK_SIZE = 16
+};
+
+
+typedef struct Aes {
+    /* AESNI needs key first, rounds 2nd, not sure why yet */
+    ALIGN16 word32 key[60];
+    word32  rounds;
+
+    ALIGN16 word32 reg[AES_BLOCK_SIZE / sizeof(word32)];      /* for CBC mode */
+    ALIGN16 word32 tmp[AES_BLOCK_SIZE / sizeof(word32)];      /* same         */
+} Aes;
+
+
+int  AesSetKey(Aes* aes, const byte* key, word32 len, const byte* iv, int dir);
+void AesCbcEncrypt(Aes* aes, byte* out, const byte* in, word32 sz);
+void AesCbcDecrypt(Aes* aes, byte* out, const byte* in, word32 sz);
+
+
+#ifdef __cplusplus
+    } /* extern "C" */
+#endif
+
+
+#endif /* CTAO_CRYPT_AES_H */
+#endif /* NO_AES */
+