1 /* ===================================================================
2  *
3  * Copyright (c) 2014, Legrandin <helderijs@gmail.com>
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in
14  *    the documentation and/or other materials provided with the
15  *    distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
20  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
21  * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
23  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
25  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
27  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28  * POSSIBILITY OF SUCH DAMAGE.
29  * ===================================================================
30  */
31 
32 #include "common.h"
33 
34 #define F_ROUNDS 12
35 #define MAX_DIGEST_BYTES 64
36 #define MAX_KEY_BYTES    64
37 #define BLAKE2_WORD_SIZE 64
38 #define G_R1 32
39 #define G_R2 24
40 #define G_R3 16
41 #define G_R4 63
42 
43 typedef uint64_t blake2_word;
44 
45 #define STORE_WORD_LITTLE(p, w)     STORE_U64_LITTLE(p, w)
46 #define LOAD_WORD_LITTLE(p)         LOAD_U64_LITTLE(p)
47 
48 static const uint64_t iv[8] = {
49     0x6A09E667F3BCC908ULL,
50     0xBB67AE8584CAA73BULL,
51     0x3C6EF372FE94F82BULL,
52     0xA54FF53A5F1D36F1ULL,
53     0x510E527FADE682D1ULL,
54     0x9B05688C2B3E6C1FULL,
55     0x1F83D9ABFB41BD6BULL,
56     0x5BE0CD19137E2179ULL
57 };
58 
59 #define blake2_init blake2b_init
60 #define blake2_copy blake2b_copy
61 #define blake2_destroy blake2b_destroy
62 #define blake2_digest blake2b_digest
63 #define blake2_update blake2b_update
64 
65 FAKE_INIT(BLAKE2b)
66 
67 #include "blake2.c"
68 
69