Diff: wolfssl/wolfcrypt/des3.h

Revision:

13:80fb167dafdf

Parent:

11:cee25a834751

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wolfssl/wolfcrypt/des3.h	Tue May 30 06:16:19 2017 +0000
@@ -0,0 +1,128 @@
+/* des3.h
+ *
+ * Copyright (C) 2006-2016 wolfSSL Inc.
+ *
+ * This file is part of wolfSSL.
+ *
+ * wolfSSL 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.
+ *
+ * wolfSSL 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
+ */
+
+
+#ifndef WOLF_CRYPT_DES3_H
+#define WOLF_CRYPT_DES3_H
+
+#include <wolfssl/wolfcrypt/types.h>
+
+#ifndef NO_DES3
+
+#ifdef HAVE_FIPS
+/* included for fips @wc_fips */
+#include <cyassl/ctaocrypt/des3.h>
+#endif
+
+#ifdef __cplusplus
+    extern "C" {
+#endif
+
+#ifndef HAVE_FIPS /* to avoid redefinition of macros */
+
+#ifdef WOLFSSL_ASYNC_CRYPT
+    #include <wolfssl/wolfcrypt/async.h>
+#endif
+
+enum {
+    DES_ENC_TYPE    = 2,     /* cipher unique type */
+    DES3_ENC_TYPE   = 3,     /* cipher unique type */
+    DES_BLOCK_SIZE  = 8,
+    DES_KS_SIZE     = 32,
+
+    DES_ENCRYPTION  = 0,
+    DES_DECRYPTION  = 1
+};
+
+#define DES_IVLEN 8
+#define DES_KEYLEN 8
+#define DES3_IVLEN 8
+#define DES3_KEYLEN 24
+
+
+#if defined(STM32F2_CRYPTO) || defined(STM32F4_CRYPTO)
+enum {
+    DES_CBC = 0,
+    DES_ECB = 1
+};
+#endif
+
+
+/* DES encryption and decryption */
+typedef struct Des {
+    word32 reg[DES_BLOCK_SIZE / sizeof(word32)];      /* for CBC mode */
+    word32 tmp[DES_BLOCK_SIZE / sizeof(word32)];      /* same         */
+    word32 key[DES_KS_SIZE];
+} Des;
+
+
+/* DES3 encryption and decryption */
+typedef struct Des3 {
+    word32 key[3][DES_KS_SIZE];
+    word32 reg[DES_BLOCK_SIZE / sizeof(word32)];      /* for CBC mode */
+    word32 tmp[DES_BLOCK_SIZE / sizeof(word32)];      /* same         */
+#ifdef WOLFSSL_ASYNC_CRYPT
+    const byte* key_raw;
+    const byte* iv_raw;
+    WC_ASYNC_DEV asyncDev;
+#endif
+    void* heap;
+} Des3;
+#endif /* HAVE_FIPS */
+
+
+WOLFSSL_API int  wc_Des_SetKey(Des* des, const byte* key,
+                               const byte* iv, int dir);
+WOLFSSL_API void wc_Des_SetIV(Des* des, const byte* iv);
+WOLFSSL_API int  wc_Des_CbcEncrypt(Des* des, byte* out,
+                                   const byte* in, word32 sz);
+WOLFSSL_API int  wc_Des_CbcDecrypt(Des* des, byte* out,
+                                   const byte* in, word32 sz);
+WOLFSSL_API int  wc_Des_EcbEncrypt(Des* des, byte* out,
+                                   const byte* in, word32 sz);
+WOLFSSL_API int wc_Des3_EcbEncrypt(Des3* des, byte* out,
+                                   const byte* in, word32 sz);
+
+/* ECB decrypt same process as encrypt but with decrypt key */
+#define wc_Des_EcbDecrypt  wc_Des_EcbEncrypt
+#define wc_Des3_EcbDecrypt wc_Des3_EcbEncrypt
+
+WOLFSSL_API int  wc_Des3_SetKey(Des3* des, const byte* key,
+                                const byte* iv,int dir);
+WOLFSSL_API int  wc_Des3_SetIV(Des3* des, const byte* iv);
+WOLFSSL_API int  wc_Des3_CbcEncrypt(Des3* des, byte* out,
+                                    const byte* in,word32 sz);
+WOLFSSL_API int  wc_Des3_CbcDecrypt(Des3* des, byte* out,
+                                    const byte* in,word32 sz);
+
+/* These are only required when using either:
+  static memory (WOLFSSL_STATIC_MEMORY) or asynchronous (WOLFSSL_ASYNC_CRYPT) */
+WOLFSSL_API int  wc_Des3Init(Des3*, void*, int);
+WOLFSSL_API void wc_Des3Free(Des3*);
+
+#ifdef __cplusplus
+    } /* extern "C" */
+#endif
+
+#endif /* NO_DES3 */
+#endif /* WOLF_CRYPT_DES3_H */
+
+