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108 lines
3.7 KiB
108 lines
3.7 KiB
/*
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Copyright (c) 2018-2019, tevador <tevador@gmail.com>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the copyright holder nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* Original code from Argon2 reference source code package used under CC0 Licence
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* https://github.com/P-H-C/phc-winner-argon2
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* Copyright 2015
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* Daniel Dinu, Dmitry Khovratovich, Jean-Philippe Aumasson, and Samuel Neves
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*/
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#ifndef PORTABLE_BLAKE2_H
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#define PORTABLE_BLAKE2_H
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#include <stdint.h>
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#include <limits.h>
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#if defined(__cplusplus)
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extern "C" {
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#endif
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enum blake2b_constant {
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BLAKE2B_BLOCKBYTES = 128,
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BLAKE2B_OUTBYTES = 64,
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BLAKE2B_KEYBYTES = 64,
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BLAKE2B_SALTBYTES = 16,
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BLAKE2B_PERSONALBYTES = 16
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};
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#pragma pack(push, 1)
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typedef struct __blake2b_param {
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uint8_t digest_length; /* 1 */
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uint8_t key_length; /* 2 */
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uint8_t fanout; /* 3 */
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uint8_t depth; /* 4 */
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uint32_t leaf_length; /* 8 */
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uint64_t node_offset; /* 16 */
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uint8_t node_depth; /* 17 */
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uint8_t inner_length; /* 18 */
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uint8_t reserved[14]; /* 32 */
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uint8_t salt[BLAKE2B_SALTBYTES]; /* 48 */
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uint8_t personal[BLAKE2B_PERSONALBYTES]; /* 64 */
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} blake2b_param;
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#pragma pack(pop)
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typedef struct __blake2b_state {
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uint64_t h[8];
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uint64_t t[2];
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uint64_t f[2];
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uint8_t buf[BLAKE2B_BLOCKBYTES];
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unsigned buflen;
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unsigned outlen;
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uint8_t last_node;
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} blake2b_state;
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/* Ensure param structs have not been wrongly padded */
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/* Poor man's static_assert */
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enum {
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blake2_size_check_0 = 1 / !!(CHAR_BIT == 8),
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blake2_size_check_2 =
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1 / !!(sizeof(blake2b_param) == sizeof(uint64_t) * CHAR_BIT)
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};
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/* Streaming API */
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int blake2b_init(blake2b_state *S, size_t outlen);
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int blake2b_init_key(blake2b_state *S, size_t outlen, const void *key,
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size_t keylen);
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int blake2b_init_param(blake2b_state *S, const blake2b_param *P);
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int blake2b_update(blake2b_state *S, const void *in, size_t inlen);
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int blake2b_final(blake2b_state *S, void *out, size_t outlen);
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/* Simple API */
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int blake2b(void *out, size_t outlen, const void *in, size_t inlen,
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const void *key, size_t keylen);
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/* Argon2 Team - Begin Code */
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int rxa2_blake2b_long(void *out, size_t outlen, const void *in, size_t inlen);
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/* Argon2 Team - End Code */
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#if defined(__cplusplus)
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}
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#endif
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#endif
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