Diff: cyassllib/cyassl/ctaocrypt/aes.h

Revision:

0:e979170e02e7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cyassllib/cyassl/ctaocrypt/aes.h	Fri Apr 26 16:54:58 2013 +0000
@@ -0,0 +1,143 @@
+/* aes.h
+ *
+ * Copyright (C) 2006-2012 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 <cyassl/ctaocrypt/types.h>
+
+#ifdef HAVE_CAVIUM
+    #include <cyassl/ctaocrypt/logging.h>
+    #include "cavium_common.h"
+#endif
+
+#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
+
+
+#define CYASSL_AES_CAVIUM_MAGIC 0xBEEF0002
+
+enum {
+    AES_ENC_TYPE   = 1,   /* cipher unique type */
+    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         */
+
+#ifdef HAVE_AESGCM
+    ALIGN16 byte H[AES_BLOCK_SIZE];
+#ifdef GCM_TABLE
+    /* key-based fast multiplication table. */
+    ALIGN16 byte M0[256][AES_BLOCK_SIZE];
+#endif /* GCM_TABLE */
+#endif /* HAVE_AESGCM */
+#ifdef CYASSL_AESNI
+    byte use_aesni;
+#endif /* CYASSL_AESNI */
+#ifdef HAVE_CAVIUM
+    AesType type;            /* aes key type */
+    int     devId;           /* nitrox device id */
+    word32  magic;           /* using cavium magic */
+    word64  contextHandle;   /* nitrox context memory handle */
+#endif
+} Aes;
+
+
+CYASSL_API int  AesSetKey(Aes* aes, const byte* key, word32 len, const byte* iv,
+                          int dir);
+CYASSL_API int  AesSetIV(Aes* aes, const byte* iv);
+CYASSL_API void AesCbcEncrypt(Aes* aes, byte* out, const byte* in, word32 sz);
+CYASSL_API void AesCbcDecrypt(Aes* aes, byte* out, const byte* in, word32 sz);
+CYASSL_API void AesCtrEncrypt(Aes* aes, byte* out, const byte* in, word32 sz);
+CYASSL_API void AesEncryptDirect(Aes* aes, byte* out, const byte* in);
+CYASSL_API void AesDecryptDirect(Aes* aes, byte* out, const byte* in);
+CYASSL_API int  AesSetKeyDirect(Aes* aes, const byte* key, word32 len,
+                                const byte* iv, int dir);
+#ifdef HAVE_AESGCM
+CYASSL_API void AesGcmSetKey(Aes* aes, const byte* key, word32 len);
+CYASSL_API void AesGcmEncrypt(Aes* aes, byte* out, const byte* in, word32 sz,
+                              const byte* iv, word32 ivSz,
+                              byte* authTag, word32 authTagSz,
+                              const byte* authIn, word32 authInSz);
+CYASSL_API int  AesGcmDecrypt(Aes* aes, byte* out, const byte* in, word32 sz,
+                              const byte* iv, word32 ivSz,
+                              const byte* authTag, word32 authTagSz,
+                              const byte* authIn, word32 authInSz);
+#endif /* HAVE_AESGCM */
+#ifdef HAVE_AESCCM
+CYASSL_API void AesCcmSetKey(Aes* aes, const byte* key, word32 keySz);
+CYASSL_API void AesCcmEncrypt(Aes* aes, byte* out, const byte* in, word32 inSz,
+                              const byte* nonce, word32 nonceSz,
+                              byte* authTag, word32 authTagSz,
+                              const byte* authIn, word32 authInSz);
+CYASSL_API int  AesCcmDecrypt(Aes* aes, byte* out, const byte* in, word32 inSz,
+                              const byte* nonce, word32 nonceSz,
+                              const byte* authTag, word32 authTagSz,
+                              const byte* authIn, word32 authInSz);
+#endif /* HAVE_AESCCM */
+
+#ifdef HAVE_CAVIUM
+    CYASSL_API int  AesInitCavium(Aes*, int);
+    CYASSL_API void AesFreeCavium(Aes*);
+#endif
+
+#ifdef __cplusplus
+    } /* extern "C" */
+#endif
+
+
+#endif /* CTAO_CRYPT_AES_H */
+#endif /* NO_AES */
+