| /* |
| BLAKE2 reference source code package - reference C implementations |
| |
| Copyright 2012, Samuel Neves <sneves@dei.uc.pt>. You may use this under the |
| terms of the CC0, the OpenSSL Licence, or the Apache Public License 2.0, at |
| your option. The terms of these licenses can be found at: |
| |
| - CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0 |
| - OpenSSL license : https://www.openssl.org/source/license.html |
| - Apache 2.0 : http://www.apache.org/licenses/LICENSE-2.0 |
| |
| More information about the BLAKE2 hash function can be found at |
| https://blake2.net. |
| */ |
| #pragma once |
| #ifndef __BLAKE2_H__ |
| #define __BLAKE2_H__ |
| |
| #include <stddef.h> |
| #include <stdint.h> |
| |
| #ifdef BLAKE2_NO_INLINE |
| #define BLAKE2_LOCAL_INLINE(type) static type |
| #endif |
| |
| #ifndef BLAKE2_LOCAL_INLINE |
| #define BLAKE2_LOCAL_INLINE(type) static inline type |
| #endif |
| |
| #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 |
| }; |
| |
| typedef struct __blake2s_state |
| { |
| uint32_t h[8]; |
| uint32_t t[2]; |
| uint32_t f[2]; |
| uint8_t buf[2 * BLAKE2S_BLOCKBYTES]; |
| size_t buflen; |
| uint8_t last_node; |
| } blake2s_state; |
| |
| typedef struct __blake2b_state |
| { |
| uint64_t h[8]; |
| uint64_t t[2]; |
| uint64_t f[2]; |
| uint8_t buf[2 * BLAKE2B_BLOCKBYTES]; |
| size_t buflen; |
| uint8_t last_node; |
| } blake2b_state; |
| |
| typedef struct __blake2sp_state |
| { |
| blake2s_state S[8][1]; |
| blake2s_state R[1]; |
| uint8_t buf[8 * BLAKE2S_BLOCKBYTES]; |
| size_t buflen; |
| } blake2sp_state; |
| |
| typedef struct __blake2bp_state |
| { |
| blake2b_state S[4][1]; |
| blake2b_state R[1]; |
| uint8_t buf[4 * BLAKE2B_BLOCKBYTES]; |
| size_t buflen; |
| } blake2bp_state; |
| |
| |
| #pragma pack(push, 1) |
| typedef struct __blake2s_param |
| { |
| uint8_t digest_length; /* 1 */ |
| uint8_t key_length; /* 2 */ |
| uint8_t fanout; /* 3 */ |
| uint8_t depth; /* 4 */ |
| uint32_t leaf_length; /* 8 */ |
| uint8_t node_offset[6];// 14 |
| uint8_t node_depth; /* 15 */ |
| uint8_t inner_length; /* 16 */ |
| /* uint8_t reserved[0]; */ |
| uint8_t salt[BLAKE2S_SALTBYTES]; /* 24 */ |
| uint8_t personal[BLAKE2S_PERSONALBYTES]; /* 32 */ |
| } blake2s_param; |
| |
| typedef struct __blake2b_param |
| { |
| uint8_t digest_length; /* 1 */ |
| uint8_t key_length; /* 2 */ |
| uint8_t fanout; /* 3 */ |
| uint8_t depth; /* 4 */ |
| uint32_t leaf_length; /* 8 */ |
| uint64_t node_offset; /* 16 */ |
| uint8_t node_depth; /* 17 */ |
| uint8_t inner_length; /* 18 */ |
| uint8_t reserved[14]; /* 32 */ |
| uint8_t salt[BLAKE2B_SALTBYTES]; /* 48 */ |
| uint8_t personal[BLAKE2B_PERSONALBYTES]; /* 64 */ |
| } blake2b_param; |
| #pragma pack(pop) |
| |
| /* Streaming API */ |
| int blake2s_init( blake2s_state *S, const uint8_t outlen ); |
| int blake2s_init_key( blake2s_state *S, const uint8_t outlen, const void *key, const uint8_t keylen ); |
| int blake2s_init_param( blake2s_state *S, const blake2s_param *P ); |
| int blake2s_update( blake2s_state *S, const uint8_t *in, uint64_t inlen ); |
| int blake2s_final( blake2s_state *S, uint8_t *out, uint8_t outlen ); |
| |
| int blake2b_init( blake2b_state *S, const uint8_t outlen ); |
| int blake2b_init_key( blake2b_state *S, const uint8_t outlen, const void *key, const uint8_t keylen ); |
| int blake2b_init_param( blake2b_state *S, const blake2b_param *P ); |
| int blake2b_update( blake2b_state *S, const uint8_t *in, uint64_t inlen ); |
| int blake2b_final( blake2b_state *S, uint8_t *out, uint8_t outlen ); |
| |
| int blake2sp_init( blake2sp_state *S, const uint8_t outlen ); |
| int blake2sp_init_key( blake2sp_state *S, const uint8_t outlen, const void *key, const uint8_t keylen ); |
| int blake2sp_update( blake2sp_state *S, const uint8_t *in, uint64_t inlen ); |
| int blake2sp_final( blake2sp_state *S, uint8_t *out, uint8_t outlen ); |
| |
| int blake2bp_init( blake2bp_state *S, const uint8_t outlen ); |
| int blake2bp_init_key( blake2bp_state *S, const uint8_t outlen, const void *key, const uint8_t keylen ); |
| int blake2bp_update( blake2bp_state *S, const uint8_t *in, uint64_t inlen ); |
| int blake2bp_final( blake2bp_state *S, uint8_t *out, uint8_t outlen ); |
| |
| /* Simple API */ |
| int blake2s( uint8_t *out, const void *in, const void *key, const uint8_t outlen, const uint64_t inlen, uint8_t keylen ); |
| int blake2b( uint8_t *out, const void *in, const void *key, const uint8_t outlen, const uint64_t inlen, uint8_t keylen ); |
| |
| int blake2sp( uint8_t *out, const void *in, const void *key, const uint8_t outlen, const uint64_t inlen, uint8_t keylen ); |
| int blake2bp( uint8_t *out, const void *in, const void *key, const uint8_t outlen, const uint64_t inlen, uint8_t keylen ); |
| |
| static inline int blake2( uint8_t *out, const void *in, const void *key, const uint8_t outlen, const uint64_t inlen, uint8_t keylen ) |
| { |
| return blake2b( out, in, key, outlen, inlen, keylen ); |
| } |
| |
| #if defined(__cplusplus) |
| } |
| #endif |
| |
| #endif |
| |