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sys/dev/if_wg/include/zinc/blake2s.h
- This file was added.
| /* SPDX-License-Identifier: GPL-2.0 OR MIT */ | |||||
| /* | |||||
| * Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. | |||||
| */ | |||||
| #ifndef _ZINC_BLAKE2S_H | |||||
| #define _ZINC_BLAKE2S_H | |||||
| #include <sys/types.h> | |||||
| enum blake2s_lengths { | |||||
| BLAKE2S_BLOCK_SIZE = 64, | |||||
| BLAKE2S_HASH_SIZE = 32, | |||||
| BLAKE2S_KEY_SIZE = 32 | |||||
| }; | |||||
| struct blake2s_state { | |||||
| uint32_t h[8]; | |||||
| uint32_t t[2]; | |||||
| uint32_t f[2]; | |||||
| uint8_t buf[BLAKE2S_BLOCK_SIZE]; | |||||
| unsigned int buflen; | |||||
| unsigned int outlen; | |||||
| }; | |||||
| void blake2s_init(struct blake2s_state *state, const size_t outlen); | |||||
| void blake2s_init_key(struct blake2s_state *state, const size_t outlen, | |||||
| const void *key, const size_t keylen); | |||||
| void blake2s_update(struct blake2s_state *state, const uint8_t *in, size_t inlen); | |||||
| //void blake2s_final(struct blake2s_state *state, uint8_t *out); | |||||
| static inline void blake2s(uint8_t *out, const uint8_t *in, const uint8_t *key, | |||||
| const size_t outlen, const size_t inlen, | |||||
| const size_t keylen) | |||||
| { | |||||
| struct blake2s_state state; | |||||
| #if 0 | |||||
| WARN_ON(IS_ENABLED(DEBUG) && ((!in && inlen > 0) || !out || !outlen || | |||||
| outlen > BLAKE2S_HASH_SIZE || keylen > BLAKE2S_KEY_SIZE || | |||||
| (!key && keylen))); | |||||
| #endif | |||||
| if (keylen) | |||||
| blake2s_init_key(&state, outlen, key, keylen); | |||||
| else | |||||
| blake2s_init(&state, outlen); | |||||
| blake2s_update(&state, in, inlen); | |||||
| blake2s_final(&state, out); | |||||
| } | |||||
| void blake2s_hmac(uint8_t *out, const uint8_t *in, const uint8_t *key, const size_t outlen, | |||||
| const size_t inlen, const size_t keylen); | |||||
| #endif /* _ZINC_BLAKE2S_H */ | |||||