/usr/include/dacs/blake2.h is in libdacs-dev 1.4.38a-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 | /*
* Copyright (c) 2016
* Distributed Systems Software. All rights reserved.
* See the file LICENSE for redistribution information.
*
* $Id: blake2.h 2900 2016-06-23 15:43:19Z brachman $
*/
/*
* Adapted from the Argon2 distribution:
* https://github.com/p-h-c/phc-winner-argon2
* 2-Jun-2016 (Commit d7266c4)
* License: CC0 (Creative Commons)
*/
#ifndef PORTABLE_BLAKE2_H
#define PORTABLE_BLAKE2_H
#include <stddef.h>
#include <stdint.h>
#include <limits.h>
#include "blake2-impl.h"
#if defined(__cplusplus)
extern "C" {
#endif
enum Blake2b_constant {
BLAKE2B_BLOCKBYTES = 128,
BLAKE2B_OUTBYTES = 64,
BLAKE2B_KEYBYTES = 64,
BLAKE2B_SALTBYTES = 16,
BLAKE2B_PERSONALBYTES = 16
};
#pragma pack(push, 1)
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)
typedef struct __blake2b_state {
uint64_t h[8];
uint64_t t[2];
uint64_t f[2];
uint8_t buf[BLAKE2B_BLOCKBYTES];
unsigned int buflen;
unsigned int outlen;
uint8_t last_node;
} Blake2b_state;
/* Ensure param structs have not been wrongly padded */
/* Poor man's static_assert */
enum {
blake2_size_check_0 = 1 / !!(CHAR_BIT == 8),
blake2_size_check_2 =
1 / !!(sizeof(Blake2b_param) == sizeof(uint64_t) * CHAR_BIT)
};
/* Streaming API */
extern int blake2b_init(Blake2b_state *S, size_t outlen);
extern int blake2b_init_key(Blake2b_state *S, size_t outlen, const void *key,
size_t keylen);
extern int blake2b_init_param(Blake2b_state *S, const Blake2b_param *P);
extern int blake2b_update(Blake2b_state *S, const void *in, size_t inlen);
extern int blake2b_final(Blake2b_state *S, void *out, size_t outlen);
/* Simple API */
extern int blake2b(void *out, size_t outlen, const void *in, size_t inlen,
const void *key, size_t keylen);
/* Argon2 Team - Begin Code */
extern int blake2b_long(void *out, size_t outlen, const void *in, size_t inlen);
/* Argon2 Team - End Code */
extern int do_blake2_tests(void);
#if defined(__cplusplus)
}
#endif
#endif
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