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85 lines
2.4 KiB
85 lines
2.4 KiB
/* |
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BLAKE2 reference source code package - optimized C implementations |
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Written in 2012 by Samuel Neves <sneves@dei.uc.pt> |
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To the extent possible under law, the author(s) have dedicated all copyright |
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and related and neighboring rights to this software to the public domain |
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worldwide. This software is distributed without any warranty. |
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You should have received a copy of the CC0 Public Domain Dedication along with |
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this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>. |
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*/ |
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#pragma once |
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#ifndef __BLAKE2_H__ |
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#define __BLAKE2_H__ |
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#include <stddef.h> |
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#include <stdint.h> |
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#if defined(_MSC_VER) |
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#define ALIGN(x) __declspec(align(x)) |
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#else |
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#define ALIGN(x) __attribute__ ((__aligned__(x))) |
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#endif |
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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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{ |
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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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{ |
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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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ALIGN( 64 ) typedef struct __blake2b_state |
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{ |
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uint64_t h[8]; |
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uint8_t buf[BLAKE2B_BLOCKBYTES]; |
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uint16_t counter; |
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uint8_t buflen; |
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uint8_t lastblock; |
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} blake2b_state; |
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#pragma pack(pop) |
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int eq_blake2b_init( blake2b_state *S, const uint8_t outlen ); |
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int eq_blake2b_init_key( blake2b_state *S, const uint8_t outlen, const void *key, const uint8_t keylen ); |
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int eq_blake2b_init_param( blake2b_state *S, const blake2b_param *P ); |
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int eq_blake2b_update( blake2b_state *S, const uint8_t *in, uint64_t inlen ); |
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int eq_blake2b_final( blake2b_state *S, uint8_t *out, uint8_t outlen ); |
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// Simple API |
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int eq_blake2b( uint8_t *out, const void *in, const void *key, const uint8_t outlen, const uint64_t inlen, uint8_t keylen ); |
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static inline int eq_blake2( uint8_t *out, const void *in, const void *key, const uint8_t outlen, const uint64_t inlen, uint8_t keylen ) |
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{ |
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return eq_blake2b( out, in, key, outlen, inlen, keylen ); |
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} |
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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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