Diff: wolfssl/wolfcrypt/cmac.h

Revision:

13:80fb167dafdf

Parent:

11:cee25a834751

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wolfssl/wolfcrypt/cmac.h	Tue May 30 06:16:19 2017 +0000
@@ -0,0 +1,80 @@
+/* cmac.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_CMAC_H
+#define WOLF_CRYPT_CMAC_H
+
+#include <wolfssl/wolfcrypt/types.h>
+#include <wolfssl/wolfcrypt/aes.h>
+
+#if !defined(NO_AES) && defined(WOLFSSL_CMAC)
+
+#ifdef __cplusplus
+    extern "C" {
+#endif
+
+typedef struct Cmac {
+    Aes aes;
+    byte buffer[AES_BLOCK_SIZE]; /* partially stored block */
+    byte digest[AES_BLOCK_SIZE]; /* running digest */
+    byte k1[AES_BLOCK_SIZE];
+    byte k2[AES_BLOCK_SIZE];
+    word32 bufferSz;
+    word32 totalSz;
+} Cmac;
+
+
+typedef enum CmacType {
+    WC_CMAC_AES = 1
+} CmacType;
+
+
+WOLFSSL_API
+int wc_InitCmac(Cmac* cmac,
+                const byte* key, word32 keySz,
+                int type, void* unused);
+WOLFSSL_API
+int wc_CmacUpdate(Cmac* cmac,
+                  const byte* in, word32 inSz);
+WOLFSSL_API
+int wc_CmacFinal(Cmac* cmac,
+                 byte* out, word32* outSz);
+
+WOLFSSL_API
+int wc_AesCmacGenerate(byte* out, word32* outSz,
+                       const byte* in, word32 inSz,
+                       const byte* key, word32 keySz);
+
+WOLFSSL_API
+int wc_AesCmacVerify(const byte* check, word32 checkSz,
+                     const byte* in, word32 inSz,
+                     const byte* key, word32 keySz);
+
+#ifdef __cplusplus
+    } /* extern "C" */
+#endif
+
+
+#endif /* NO_AES && WOLFSSL_CMAC */
+#endif /* WOLF_CRYPT_CMAC_H */
+
+