Diff: wolfssl/openssl/des.h

Revision:

3:6f956bdb3073

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wolfssl/openssl/des.h	Thu Apr 28 00:56:55 2016 +0000
@@ -0,0 +1,108 @@
+/* des.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
+ */
+
+
+
+/*  des.h defines mini des openssl compatibility layer 
+ *
+ */
+
+
+#ifndef WOLFSSL_DES_H_
+#define WOLFSSL_DES_H_
+
+#include <wolfssl/wolfcrypt/settings.h>
+
+#ifndef NO_DES3
+
+#ifdef WOLFSSL_PREFIX
+#include "prefix_des.h"
+#endif
+
+
+#ifdef __cplusplus
+    extern "C" {
+#endif
+
+typedef unsigned char WOLFSSL_DES_cblock[8];
+typedef /* const */ WOLFSSL_DES_cblock WOLFSSL_const_DES_cblock;
+typedef WOLFSSL_DES_cblock WOLFSSL_DES_key_schedule;
+
+
+enum {
+    DES_ENCRYPT = 1,
+    DES_DECRYPT = 0
+};
+
+
+WOLFSSL_API void wolfSSL_DES_set_key_unchecked(WOLFSSL_const_DES_cblock*,
+                                             WOLFSSL_DES_key_schedule*);
+WOLFSSL_API int  wolfSSL_DES_key_sched(WOLFSSL_const_DES_cblock* key,
+                                     WOLFSSL_DES_key_schedule* schedule);
+WOLFSSL_API void wolfSSL_DES_cbc_encrypt(const unsigned char* input,
+                     unsigned char* output, long length,
+                     WOLFSSL_DES_key_schedule* schedule, WOLFSSL_DES_cblock* ivec,
+                     int enc);
+WOLFSSL_API void wolfSSL_DES_ncbc_encrypt(const unsigned char* input,
+                      unsigned char* output, long length,
+                      WOLFSSL_DES_key_schedule* schedule,
+                      WOLFSSL_DES_cblock* ivec, int enc);
+
+WOLFSSL_API void wolfSSL_DES_set_odd_parity(WOLFSSL_DES_cblock*);
+WOLFSSL_API void wolfSSL_DES_ecb_encrypt(WOLFSSL_DES_cblock*, WOLFSSL_DES_cblock*,
+                                       WOLFSSL_DES_key_schedule*, int);
+
+
+typedef WOLFSSL_DES_cblock DES_cblock;
+typedef WOLFSSL_const_DES_cblock const_DES_cblock;
+typedef WOLFSSL_DES_key_schedule DES_key_schedule;
+
+#define DES_set_key_unchecked wolfSSL_DES_set_key_unchecked
+#define DES_key_sched wolfSSL_DES_key_sched
+#define DES_cbc_encrypt wolfSSL_DES_cbc_encrypt
+#define DES_ncbc_encrypt wolfSSL_DES_ncbc_encrypt
+#define DES_set_odd_parity wolfSSL_DES_set_odd_parity
+#define DES_ecb_encrypt wolfSSL_DES_ecb_encrypt
+#define DES_ede3_cbc_encrypt(input, output, sz, ks1, ks2, ks3, ivec, enc) \
+do {                                                         \
+    Des3 des;                                                \
+    byte key[24];/* EDE uses 24 size key */                  \
+    memcpy(key, (ks1), DES_BLOCK_SIZE);                      \
+    memcpy(&key[DES_BLOCK_SIZE], (ks2), DES_BLOCK_SIZE);     \
+    memcpy(&key[DES_BLOCK_SIZE * 2], (ks3), DES_BLOCK_SIZE); \
+    if (enc) {                                               \
+        wc_Des3_SetKey(&des, key, (const byte*)(ivec), DES_ENCRYPTION);    \
+        wc_Des3_CbcEncrypt(&des, (output), (input), (sz));    \
+    }                                                         \
+    else {                                                    \
+        wc_Des3_SetKey(&des, key, (const byte*)(ivec), DES_ENCRYPTION);    \
+        wc_Des3_CbcDecrypt(&des, (output), (input), (sz));    \
+    }                                                         \
+} while(0)
+
+#ifdef __cplusplus
+    } /* extern "C" */
+#endif
+
+#endif /* NO_DES3 */
+
+#endif /* WOLFSSL_DES_H_ */
+