Diff: wolfssl/wolfcrypt/hash.h

Revision:

7:481bce714567

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wolfssl/wolfcrypt/hash.h	Tue May 02 08:44:47 2017 +0000
@@ -0,0 +1,175 @@
+/* hash.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_HASH_H
+#define WOLF_CRYPT_HASH_H
+
+#include <wolfssl/wolfcrypt/types.h>
+
+#ifndef NO_MD5
+    #include <wolfssl/wolfcrypt/md5.h>
+#endif
+#ifndef NO_SHA
+    #include <wolfssl/wolfcrypt/sha.h>
+#endif
+#if defined(WOLFSSL_SHA224) || !defined(NO_SHA256)
+    #include <wolfssl/wolfcrypt/sha256.h>
+#endif
+#if defined(WOLFSSL_SHA384) || defined(WOLFSSL_SHA512)
+    #include <wolfssl/wolfcrypt/sha512.h>
+#endif
+
+#ifdef __cplusplus
+    extern "C" {
+#endif
+
+/* Hash types */
+enum wc_HashType {
+    WC_HASH_TYPE_NONE = 0,
+    WC_HASH_TYPE_MD2 = 1,
+    WC_HASH_TYPE_MD4 = 2,
+    WC_HASH_TYPE_MD5 = 3,
+    WC_HASH_TYPE_SHA = 4, /* SHA-1 (not old SHA-0) */
+    WC_HASH_TYPE_SHA224 = 9,
+    WC_HASH_TYPE_SHA256 = 5,
+    WC_HASH_TYPE_SHA384 = 6,
+    WC_HASH_TYPE_SHA512 = 7,
+    WC_HASH_TYPE_MD5_SHA = 8,
+};
+
+typedef union {
+    #ifndef NO_MD5
+        Md5 md5;
+    #endif
+    #ifndef NO_SHA
+        Sha sha;
+    #endif
+    #ifdef WOLFSSL_SHA224
+        Sha224 sha224;
+    #endif
+    #ifndef NO_SHA256
+        Sha256 sha256;
+    #endif
+    #ifdef WOLFSSL_SHA384
+        Sha384 sha384;
+    #endif
+    #ifdef WOLFSSL_SHA512
+        Sha512 sha512;
+    #endif
+} wc_HashAlg;
+
+/* Find largest possible digest size
+   Note if this gets up to the size of 80 or over check smallstack build */
+#if defined(WOLFSSL_SHA512)
+    #define WC_MAX_DIGEST_SIZE SHA512_DIGEST_SIZE
+#elif defined(WOLFSSL_SHA384)
+    #define WC_MAX_DIGEST_SIZE SHA384_DIGEST_SIZE
+#elif !defined(NO_SHA256)
+    #define WC_MAX_DIGEST_SIZE SHA256_DIGEST_SIZE
+#elif defined(WOLFSSL_SHA224)
+    #define WC_MAX_DIGEST_SIZE SHA224_DIGEST_SIZE
+#elif !defined(NO_SHA)
+    #define WC_MAX_DIGEST_SIZE SHA_DIGEST_SIZE
+#elif !defined(NO_MD5)
+    #define WC_MAX_DIGEST_SIZE MD5_DIGEST_SIZE
+#else
+    #define WC_MAX_DIGEST_SIZE 64 /* default to max size of 64 */
+#endif
+
+#if !defined(NO_ASN) || !defined(NO_DH) || defined(HAVE_ECC)
+WOLFSSL_API int wc_HashGetOID(enum wc_HashType hash_type);
+#endif
+
+WOLFSSL_API int wc_HashGetDigestSize(enum wc_HashType hash_type);
+WOLFSSL_API int wc_Hash(enum wc_HashType hash_type,
+    const byte* data, word32 data_len,
+    byte* hash, word32 hash_len);
+
+/* generic hash operation wrappers */
+WOLFSSL_API int wc_HashInit(wc_HashAlg* hash, enum wc_HashType type);
+WOLFSSL_API int wc_HashUpdate(wc_HashAlg* hash, enum wc_HashType type,
+    const byte* data, word32 dataSz);
+WOLFSSL_API int wc_HashFinal(wc_HashAlg* hash, enum wc_HashType type,
+    byte* out);
+
+
+#ifndef NO_MD5
+#include <wolfssl/wolfcrypt/md5.h>
+WOLFSSL_API void wc_Md5GetHash(Md5*, byte*);
+WOLFSSL_API void wc_Md5RestorePos(Md5*, Md5*);
+#if defined(WOLFSSL_TI_HASH)
+    WOLFSSL_API void wc_Md5Free(Md5*);
+#else
+    #define wc_Md5Free(d)
+#endif
+#endif
+
+#ifndef NO_SHA
+#include <wolfssl/wolfcrypt/sha.h>
+WOLFSSL_API int wc_ShaGetHash(Sha*, byte*);
+WOLFSSL_API void wc_ShaRestorePos(Sha*, Sha*);
+WOLFSSL_API int wc_ShaHash(const byte*, word32, byte*);
+#if defined(WOLFSSL_TI_HASH)
+     WOLFSSL_API void wc_ShaFree(Sha*);
+#else
+    #define wc_ShaFree(d)
+#endif
+#endif
+
+#ifndef NO_SHA256
+#include <wolfssl/wolfcrypt/sha256.h>
+WOLFSSL_API int wc_Sha256GetHash(Sha256*, byte*);
+WOLFSSL_API void wc_Sha256RestorePos(Sha256*, Sha256*);
+WOLFSSL_API int wc_Sha256Hash(const byte*, word32, byte*);
+#if defined(WOLFSSL_TI_HASH)
+    WOLFSSL_API void wc_Sha256Free(Sha256*);
+#else
+    #define wc_Sha256Free(d)
+#endif
+
+    #if defined(WOLFSSL_SHA224)
+        WOLFSSL_API int wc_Sha224GetHash(Sha224*, byte*);
+        WOLFSSL_API int wc_Sha224Hash(const byte*, word32, byte*);
+        #define wc_Sha224Free(d)
+    #endif /* defined(WOLFSSL_SHA224) */
+#endif
+
+#ifdef WOLFSSL_SHA512
+#include <wolfssl/wolfcrypt/sha512.h>
+WOLFSSL_API int wc_Sha512GetHash(Sha512*, byte*);
+WOLFSSL_API int wc_Sha512Hash(const byte*, word32, byte*);
+#define wc_Sha512Free(d)
+
+    #if defined(WOLFSSL_SHA384)
+        WOLFSSL_API int wc_Sha384GetHash(Sha384*, byte*);
+        WOLFSSL_API int wc_Sha384Hash(const byte*, word32, byte*);
+        #define wc_Sha384Free(d)
+    #endif /* defined(WOLFSSL_SHA384) */
+#endif /* WOLFSSL_SHA512 */
+
+
+#ifdef __cplusplus
+    } /* extern "C" */
+#endif
+
+#endif /* WOLF_CRYPT_HASH_H */
+