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- /*
- BLAKE2 reference source code package - reference C implementations
- Written in 2012 by Samuel Neves <sneves@dei.uc.pt>
- To the extent possible under law, the author(s) have dedicated all copyright
- and related and neighboring rights to this software to the public domain
- worldwide. This software is distributed without any warranty.
- You should have received a copy of the CC0 Public Domain Dedication along with
- this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
- */
- /* blake2-int.h
- *
- * Copyright (C) 2006-2022 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 WOLFCRYPT_BLAKE2_INT_H
- #define WOLFCRYPT_BLAKE2_INT_H
- #include <wolfssl/wolfcrypt/types.h>
- #if defined(__cplusplus)
- extern "C" {
- #endif
- enum blake2s_constant
- {
- BLAKE2S_BLOCKBYTES = 64,
- BLAKE2S_OUTBYTES = 32,
- BLAKE2S_KEYBYTES = 32,
- BLAKE2S_SALTBYTES = 8,
- BLAKE2S_PERSONALBYTES = 8
- };
- enum blake2b_constant
- {
- BLAKE2B_BLOCKBYTES = 128,
- BLAKE2B_OUTBYTES = 64,
- BLAKE2B_KEYBYTES = 64,
- BLAKE2B_SALTBYTES = 16,
- BLAKE2B_PERSONALBYTES = 16
- };
- #pragma pack(push, 1)
- typedef struct __blake2s_param
- {
- byte digest_length; /* 1 */
- byte key_length; /* 2 */
- byte fanout; /* 3 */
- byte depth; /* 4 */
- word32 leaf_length; /* 8 */
- byte node_offset[6];/* 14 */
- byte node_depth; /* 15 */
- byte inner_length; /* 16 */
- /* byte reserved[0]; */
- byte salt[BLAKE2S_SALTBYTES]; /* 24 */
- byte personal[BLAKE2S_PERSONALBYTES]; /* 32 */
- } blake2s_param;
- typedef struct __blake2s_state
- {
- word32 h[8];
- word32 t[2];
- word32 f[2];
- byte buf[2 * BLAKE2S_BLOCKBYTES];
- word32 buflen;
- byte last_node;
- } blake2s_state ;
- typedef struct __blake2b_param
- {
- byte digest_length; /* 1 */
- byte key_length; /* 2 */
- byte fanout; /* 3 */
- byte depth; /* 4 */
- word32 leaf_length; /* 8 */
- word64 node_offset; /* 16 */
- byte node_depth; /* 17 */
- byte inner_length; /* 18 */
- byte reserved[14]; /* 32 */
- byte salt[BLAKE2B_SALTBYTES]; /* 48 */
- byte personal[BLAKE2B_PERSONALBYTES]; /* 64 */
- } blake2b_param;
- typedef struct __blake2b_state
- {
- word64 h[8];
- word64 t[2];
- word64 f[2];
- byte buf[2 * BLAKE2B_BLOCKBYTES];
- word64 buflen;
- byte last_node;
- } blake2b_state;
- typedef struct __blake2sp_state
- {
- blake2s_state S[8][1];
- blake2s_state R[1];
- byte buf[8 * BLAKE2S_BLOCKBYTES];
- word32 buflen;
- } blake2sp_state;
- typedef struct __blake2bp_state
- {
- blake2b_state S[4][1];
- blake2b_state R[1];
- byte buf[4 * BLAKE2B_BLOCKBYTES];
- word64 buflen;
- } blake2bp_state;
- #pragma pack(pop)
- /* Streaming API */
- int blake2s_init( blake2s_state *S, byte outlen );
- int blake2s_init_key( blake2s_state *S, byte outlen, const void *key, byte keylen );
- int blake2s_init_param( blake2s_state *S, const blake2s_param *P );
- int blake2s_update( blake2s_state *S, const byte *in, word32 inlen );
- int blake2s_final( blake2s_state *S, byte *out, byte outlen );
- int blake2b_init( blake2b_state *S, byte outlen );
- int blake2b_init_key( blake2b_state *S, byte outlen, const void *key, byte keylen );
- int blake2b_init_param( blake2b_state *S, const blake2b_param *P );
- int blake2b_update( blake2b_state *S, const byte *in, word64 inlen );
- int blake2b_final( blake2b_state *S, byte *out, byte outlen );
- int blake2sp_init( blake2sp_state *S, byte outlen );
- int blake2sp_init_key( blake2sp_state *S, byte outlen, const void *key, byte keylen );
- int blake2sp_update( blake2sp_state *S, const byte *in, word32 inlen );
- int blake2sp_final( blake2sp_state *S, byte *out, byte outlen );
- int blake2bp_init( blake2bp_state *S, byte outlen );
- int blake2bp_init_key( blake2bp_state *S, byte outlen, const void *key, byte keylen );
- int blake2bp_update( blake2bp_state *S, const byte *in, word64 inlen );
- int blake2bp_final( blake2bp_state *S, byte *out, byte outlen );
- /* Simple API */
- int blake2s( byte *out, const void *in, const void *key, byte outlen, word32 inlen, byte keylen );
- int blake2b( byte *out, const void *in, const void *key, byte outlen, word64 inlen, byte keylen );
- int blake2sp( byte *out, const void *in, const void *key, byte outlen, word32 inlen, byte keylen );
- int blake2bp( byte *out, const void *in, const void *key, byte outlen, word64 inlen, byte keylen );
- static WC_INLINE int blake2( byte *out, const void *in, const void *key, byte outlen, word64 inlen, byte keylen )
- {
- return blake2b( out, in, key, outlen, inlen, keylen );
- }
- #if defined(__cplusplus)
- }
- #endif
- #endif /* WOLFCRYPT_BLAKE2_INT_H */
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