Diff: wolfssl/wolfcrypt/sha256.h

Revision:

11:cee25a834751

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wolfssl/wolfcrypt/sha256.h	Tue May 30 01:44:10 2017 +0000
@@ -0,0 +1,133 @@
+/* sha256.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
+ */
+
+
+/* code submitted by raphael.huck@efixo.com */
+
+#ifndef WOLF_CRYPT_SHA256_H
+#define WOLF_CRYPT_SHA256_H
+
+#include <wolfssl/wolfcrypt/types.h>
+
+#ifndef NO_SHA256
+
+#ifdef HAVE_FIPS
+    /* for fips @wc_fips */
+    #include <cyassl/ctaocrypt/sha256.h>
+#endif
+
+#ifdef FREESCALE_LTC_SHA
+    #include "fsl_ltc.h"
+#endif
+
+
+#ifdef __cplusplus
+    extern "C" {
+#endif
+
+#ifndef HAVE_FIPS /* avoid redefinition of structs */
+
+#ifdef WOLFSSL_PIC32MZ_HASH
+    #include "port/pic32/pic32mz-crypt.h"
+#endif
+#ifdef WOLFSSL_ASYNC_CRYPT
+    #include <wolfssl/wolfcrypt/async.h>
+#endif
+
+/* in bytes */
+enum {
+    SHA256              =  2,   /* hash type unique */
+    SHA256_BLOCK_SIZE   = 64,
+    SHA256_DIGEST_SIZE  = 32,
+    SHA256_PAD_SIZE     = 56
+};
+
+#ifndef WOLFSSL_TI_HASH
+
+/* Sha256 digest */
+typedef struct Sha256 {
+#ifdef FREESCALE_LTC_SHA
+    ltc_hash_ctx_t ctx;
+#else
+    /* alignment on digest and buffer speeds up ARMv8 crypto operations */
+    ALIGN16 word32  digest[SHA256_DIGEST_SIZE / sizeof(word32)];
+    ALIGN16 word32  buffer[SHA256_BLOCK_SIZE  / sizeof(word32)];
+    word32  buffLen;   /* in bytes          */
+    word32  loLen;     /* length in bytes   */
+    word32  hiLen;     /* length in bytes   */
+    void*   heap;
+#ifdef WOLFSSL_PIC32MZ_HASH
+    pic32mz_desc desc; /* Crypt Engine descriptor */
+#endif
+#ifdef WOLFSSL_ASYNC_CRYPT
+    WC_ASYNC_DEV asyncDev;
+#endif /* WOLFSSL_ASYNC_CRYPT */
+#endif /* FREESCALE_LTC_SHA */
+} Sha256;
+
+#else /* WOLFSSL_TI_HASH */
+    #include "wolfssl/wolfcrypt/port/ti/ti-hash.h"
+#endif
+
+#endif /* HAVE_FIPS */
+
+WOLFSSL_API int wc_InitSha256(Sha256*);
+WOLFSSL_API int wc_InitSha256_ex(Sha256*, void*, int);
+WOLFSSL_API int wc_Sha256Update(Sha256*, const byte*, word32);
+WOLFSSL_API int wc_Sha256Final(Sha256*, byte*);
+WOLFSSL_API void wc_Sha256Free(Sha256*);
+
+WOLFSSL_API int wc_Sha256GetHash(Sha256*, byte*);
+WOLFSSL_API int wc_Sha256Copy(Sha256* src, Sha256* dst);
+
+#ifdef WOLFSSL_SHA224
+
+#ifndef HAVE_FIPS /* avoid redefinition of structs */
+/* in bytes */
+enum {
+    SHA224              =   8,   /* hash type unique */
+    SHA224_BLOCK_SIZE   =   SHA256_BLOCK_SIZE,
+    SHA224_DIGEST_SIZE  =   28,
+    SHA224_PAD_SIZE     =   SHA256_PAD_SIZE
+};
+
+typedef Sha256 Sha224;
+#endif /* HAVE_FIPS */
+
+WOLFSSL_API int wc_InitSha224(Sha224*);
+WOLFSSL_API int wc_InitSha224_ex(Sha224*, void*, int);
+WOLFSSL_API int wc_Sha224Update(Sha224*, const byte*, word32);
+WOLFSSL_API int wc_Sha224Final(Sha224*, byte*);
+WOLFSSL_API void wc_Sha224Free(Sha224*);
+
+WOLFSSL_API int wc_Sha224GetHash(Sha224*, byte*);
+WOLFSSL_API int wc_Sha224Copy(Sha224* src, Sha224* dst);
+
+#endif /* WOLFSSL_SHA224 */
+
+#ifdef __cplusplus
+    } /* extern "C" */
+#endif
+
+#endif /* NO_SHA256 */
+#endif /* WOLF_CRYPT_SHA256_H */
+
+