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1 files changed, 96 insertions, 0 deletions

diff --git a/wolfssl/wolfcrypt/blake2.h b/wolfssl/wolfcrypt/blake2.h
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+/* blake2.h
+ *
+ * Copyright (C) 2006-2020 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
+ */
+
+/*!
+    \file wolfssl/wolfcrypt/blake2.h
+*/
+
+#ifndef WOLF_CRYPT_BLAKE2_H
+#define WOLF_CRYPT_BLAKE2_H
+
+#include <wolfssl/wolfcrypt/settings.h>
+
+#if defined(HAVE_BLAKE2) || defined(HAVE_BLAKE2S)
+
+#include <wolfssl/wolfcrypt/blake2-int.h>
+
+/* call old functions if using fips for the sake of hmac @wc_fips */
+#ifdef HAVE_FIPS
+    /* Since hmac can call blake functions provide original calls */
+    #define wc_InitBlake2b   InitBlake2b
+    #define wc_Blake2bUpdate Blake2bUpdate
+    #define wc_Blake2bFinal  Blake2bFinal
+#endif
+
+#ifdef __cplusplus
+    extern "C" {
+#endif
+
+/* in bytes, variable digest size up to 512 bits (64 bytes) */
+enum {
+#ifdef HAVE_BLAKE2B
+    BLAKE2B_ID  = WC_HASH_TYPE_BLAKE2B,
+    BLAKE2B_256 = 32,  /* 256 bit type, SSL default */
+#endif
+#ifdef HAVE_BLAKE2S
+    BLAKE2S_ID  = WC_HASH_TYPE_BLAKE2S,
+    BLAKE2S_256 = 32   /* 256 bit type */
+#endif
+};
+
+
+#ifdef HAVE_BLAKE2B
+/* BLAKE2b digest */
+typedef struct Blake2b {
+    blake2b_state S[1];         /* our state */
+    word32        digestSz;     /* digest size used on init */
+} Blake2b;
+#endif
+
+#ifdef HAVE_BLAKE2S
+/* BLAKE2s digest */
+typedef struct Blake2s {
+    blake2s_state S[1];         /* our state */
+    word32        digestSz;     /* digest size used on init */
+} Blake2s;
+#endif
+
+
+#ifdef HAVE_BLAKE2B
+WOLFSSL_API int wc_InitBlake2b(Blake2b*, word32);
+WOLFSSL_API int wc_Blake2bUpdate(Blake2b*, const byte*, word32);
+WOLFSSL_API int wc_Blake2bFinal(Blake2b*, byte*, word32);
+#endif
+
+#ifdef HAVE_BLAKE2S
+WOLFSSL_API int wc_InitBlake2s(Blake2s*, word32);
+WOLFSSL_API int wc_Blake2sUpdate(Blake2s*, const byte*, word32);
+WOLFSSL_API int wc_Blake2sFinal(Blake2s*, byte*, word32);
+#endif
+
+
+#ifdef __cplusplus
+    }
+#endif
+
+#endif  /* HAVE_BLAKE2 || HAVE_BLAKE2S */
+#endif  /* WOLF_CRYPT_BLAKE2_H */
+