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https://github.com/oxen-io/lokinet.git
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124 lines
4.2 KiB
C
124 lines
4.2 KiB
C
/*
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BLAKE2 reference source code package - reference 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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All code is triple-licensed under the
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[CC0](http://creativecommons.org/publicdomain/zero/1.0), the
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[OpenSSL Licence](https://www.openssl.org/source/license.html), or
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the [Apache Public License 2.0](http://www.apache.org/licenses/LICENSE-2.0),
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at your choosing.
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*/
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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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#include <sodium/crypto_generichash_blake2b.h>
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#include <sodium/export.h>
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#define blake2b_init_param crypto_generichash_blake2b__init_param
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#define blake2b_init crypto_generichash_blake2b__init
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#define blake2b_init_salt_personal \
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crypto_generichash_blake2b__init_salt_personal
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#define blake2b_init_key crypto_generichash_blake2b__init_key
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#define blake2b_init_key_salt_personal \
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crypto_generichash_blake2b__init_key_salt_personal
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#define blake2b_update crypto_generichash_blake2b__update
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#define blake2b_final crypto_generichash_blake2b__final
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#define blake2b crypto_generichash_blake2b__blake2b
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#define blake2b_salt_personal crypto_generichash_blake2b__blake2b_salt_personal
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#define blake2b_pick_best_implementation \
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crypto_generichash_blake2b__pick_best_implementation
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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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#if defined(__IBMC__) || defined(__SUNPRO_C) || defined(__SUNPRO_CC)
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#pragma pack(1)
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#else
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#pragma pack(push, 1)
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#endif
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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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uint8_t leaf_length[4]; /* 8 */
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uint8_t node_offset[8]; /* 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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typedef crypto_generichash_blake2b_state blake2b_state;
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#if defined(__IBMC__) || defined(__SUNPRO_C) || defined(__SUNPRO_CC)
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#pragma pack()
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#else
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#pragma pack(pop)
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#endif
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/* Streaming API */
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int
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blake2b_init(blake2b_state *S, const uint8_t outlen);
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int
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blake2b_init_salt_personal(blake2b_state *S, const uint8_t outlen,
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const void *salt, const void *personal);
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int
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blake2b_init_key(blake2b_state *S, const uint8_t outlen, const void *key,
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const uint8_t keylen);
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int
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blake2b_init_key_salt_personal(blake2b_state *S, const uint8_t outlen,
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const void *key, const uint8_t keylen,
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const void *salt, const void *personal);
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int
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blake2b_init_param(blake2b_state *S, const blake2b_param *P);
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int
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blake2b_update(blake2b_state *S, const uint8_t *in, uint64_t inlen);
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int
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blake2b_final(blake2b_state *S, uint8_t *out, uint8_t outlen);
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/* Simple API */
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int
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blake2b(uint8_t *out, const void *in, const void *key, const uint8_t outlen,
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const uint64_t inlen, uint8_t keylen);
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int
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blake2b_salt_personal(uint8_t *out, const void *in, const void *key,
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const uint8_t outlen, const uint64_t inlen,
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uint8_t keylen, const void *salt, const void *personal);
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typedef int (*blake2b_compress_fn)(blake2b_state *S,
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const uint8_t block[BLAKE2B_BLOCKBYTES]);
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int
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blake2b_pick_best_implementation(void);
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int
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blake2b_compress_ref(blake2b_state *S, const uint8_t block[BLAKE2B_BLOCKBYTES]);
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int
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blake2b_compress_ssse3(blake2b_state *S,
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const uint8_t block[BLAKE2B_BLOCKBYTES]);
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int
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blake2b_compress_sse41(blake2b_state *S,
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const uint8_t block[BLAKE2B_BLOCKBYTES]);
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int
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blake2b_compress_avx2(blake2b_state *S,
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const uint8_t block[BLAKE2B_BLOCKBYTES]);
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#endif
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