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90 lines
2.8 KiB
90 lines
2.8 KiB
/*
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* Argon2 reference source code package - reference C implementations
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*
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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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* You may use this work under the terms of a Creative Commons CC0 1.0
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* License/Waiver or the Apache Public License 2.0, at your option. The terms of
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* these licenses can be found at:
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*
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* - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
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* - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0
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*
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* You should have received a copy of both of these licenses along with this
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* software. If not, they may be obtained at the above URLs.
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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 "../argon2.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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ARGON2_LOCAL int blake2b_init(blake2b_state *S, size_t outlen);
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ARGON2_LOCAL int blake2b_init_key(blake2b_state *S, size_t outlen, const void *key,
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size_t keylen);
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ARGON2_LOCAL int blake2b_init_param(blake2b_state *S, const blake2b_param *P);
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ARGON2_LOCAL int blake2b_update(blake2b_state *S, const void *in, size_t inlen);
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ARGON2_LOCAL int blake2b_final(blake2b_state *S, void *out, size_t outlen);
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/* Simple API */
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ARGON2_LOCAL 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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ARGON2_LOCAL int 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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