wolfSSL SSL/TLS library, support up to TLS1.3
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wolfcrypt/src/blake2b.c@13:f67a6c6013ca, 2017-08-22 (annotated)
- Committer:
- wolfSSL
- Date:
- Tue Aug 22 10:48:22 2017 +0000
- Revision:
- 13:f67a6c6013ca
wolfSSL3.12.0 with TLS1.3
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
wolfSSL | 13:f67a6c6013ca | 1 | /* |
wolfSSL | 13:f67a6c6013ca | 2 | BLAKE2 reference source code package - reference C implementations |
wolfSSL | 13:f67a6c6013ca | 3 | |
wolfSSL | 13:f67a6c6013ca | 4 | Written in 2012 by Samuel Neves <sneves@dei.uc.pt> |
wolfSSL | 13:f67a6c6013ca | 5 | |
wolfSSL | 13:f67a6c6013ca | 6 | To the extent possible under law, the author(s) have dedicated all copyright |
wolfSSL | 13:f67a6c6013ca | 7 | and related and neighboring rights to this software to the public domain |
wolfSSL | 13:f67a6c6013ca | 8 | worldwide. This software is distributed without any warranty. |
wolfSSL | 13:f67a6c6013ca | 9 | |
wolfSSL | 13:f67a6c6013ca | 10 | You should have received a copy of the CC0 Public Domain Dedication along with |
wolfSSL | 13:f67a6c6013ca | 11 | this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>. |
wolfSSL | 13:f67a6c6013ca | 12 | */ |
wolfSSL | 13:f67a6c6013ca | 13 | /* blake2b.c |
wolfSSL | 13:f67a6c6013ca | 14 | * |
wolfSSL | 13:f67a6c6013ca | 15 | * Copyright (C) 2006-2016 wolfSSL Inc. |
wolfSSL | 13:f67a6c6013ca | 16 | * |
wolfSSL | 13:f67a6c6013ca | 17 | * This file is part of wolfSSL. |
wolfSSL | 13:f67a6c6013ca | 18 | * |
wolfSSL | 13:f67a6c6013ca | 19 | * wolfSSL is free software; you can redistribute it and/or modify |
wolfSSL | 13:f67a6c6013ca | 20 | * it under the terms of the GNU General Public License as published by |
wolfSSL | 13:f67a6c6013ca | 21 | * the Free Software Foundation; either version 2 of the License, or |
wolfSSL | 13:f67a6c6013ca | 22 | * (at your option) any later version. |
wolfSSL | 13:f67a6c6013ca | 23 | * |
wolfSSL | 13:f67a6c6013ca | 24 | * wolfSSL is distributed in the hope that it will be useful, |
wolfSSL | 13:f67a6c6013ca | 25 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
wolfSSL | 13:f67a6c6013ca | 26 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
wolfSSL | 13:f67a6c6013ca | 27 | * GNU General Public License for more details. |
wolfSSL | 13:f67a6c6013ca | 28 | * |
wolfSSL | 13:f67a6c6013ca | 29 | * You should have received a copy of the GNU General Public License |
wolfSSL | 13:f67a6c6013ca | 30 | * along with this program; if not, write to the Free Software |
wolfSSL | 13:f67a6c6013ca | 31 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA |
wolfSSL | 13:f67a6c6013ca | 32 | */ |
wolfSSL | 13:f67a6c6013ca | 33 | |
wolfSSL | 13:f67a6c6013ca | 34 | |
wolfSSL | 13:f67a6c6013ca | 35 | |
wolfSSL | 13:f67a6c6013ca | 36 | #ifdef HAVE_CONFIG_H |
wolfSSL | 13:f67a6c6013ca | 37 | #include <config.h> |
wolfSSL | 13:f67a6c6013ca | 38 | #endif |
wolfSSL | 13:f67a6c6013ca | 39 | |
wolfSSL | 13:f67a6c6013ca | 40 | #include <wolfssl/wolfcrypt/settings.h> |
wolfSSL | 13:f67a6c6013ca | 41 | |
wolfSSL | 13:f67a6c6013ca | 42 | #ifdef HAVE_BLAKE2 |
wolfSSL | 13:f67a6c6013ca | 43 | |
wolfSSL | 13:f67a6c6013ca | 44 | #include <wolfssl/wolfcrypt/blake2.h> |
wolfSSL | 13:f67a6c6013ca | 45 | #include <wolfssl/wolfcrypt/blake2-impl.h> |
wolfSSL | 13:f67a6c6013ca | 46 | |
wolfSSL | 13:f67a6c6013ca | 47 | |
wolfSSL | 13:f67a6c6013ca | 48 | static const word64 blake2b_IV[8] = |
wolfSSL | 13:f67a6c6013ca | 49 | { |
wolfSSL | 13:f67a6c6013ca | 50 | 0x6a09e667f3bcc908ULL, 0xbb67ae8584caa73bULL, |
wolfSSL | 13:f67a6c6013ca | 51 | 0x3c6ef372fe94f82bULL, 0xa54ff53a5f1d36f1ULL, |
wolfSSL | 13:f67a6c6013ca | 52 | 0x510e527fade682d1ULL, 0x9b05688c2b3e6c1fULL, |
wolfSSL | 13:f67a6c6013ca | 53 | 0x1f83d9abfb41bd6bULL, 0x5be0cd19137e2179ULL |
wolfSSL | 13:f67a6c6013ca | 54 | }; |
wolfSSL | 13:f67a6c6013ca | 55 | |
wolfSSL | 13:f67a6c6013ca | 56 | static const byte blake2b_sigma[12][16] = |
wolfSSL | 13:f67a6c6013ca | 57 | { |
wolfSSL | 13:f67a6c6013ca | 58 | { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } , |
wolfSSL | 13:f67a6c6013ca | 59 | { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } , |
wolfSSL | 13:f67a6c6013ca | 60 | { 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 } , |
wolfSSL | 13:f67a6c6013ca | 61 | { 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 } , |
wolfSSL | 13:f67a6c6013ca | 62 | { 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 } , |
wolfSSL | 13:f67a6c6013ca | 63 | { 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 } , |
wolfSSL | 13:f67a6c6013ca | 64 | { 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 } , |
wolfSSL | 13:f67a6c6013ca | 65 | { 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 } , |
wolfSSL | 13:f67a6c6013ca | 66 | { 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 } , |
wolfSSL | 13:f67a6c6013ca | 67 | { 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13 , 0 } , |
wolfSSL | 13:f67a6c6013ca | 68 | { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 } , |
wolfSSL | 13:f67a6c6013ca | 69 | { 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 } |
wolfSSL | 13:f67a6c6013ca | 70 | }; |
wolfSSL | 13:f67a6c6013ca | 71 | |
wolfSSL | 13:f67a6c6013ca | 72 | |
wolfSSL | 13:f67a6c6013ca | 73 | static INLINE int blake2b_set_lastnode( blake2b_state *S ) |
wolfSSL | 13:f67a6c6013ca | 74 | { |
wolfSSL | 13:f67a6c6013ca | 75 | S->f[1] = ~0ULL; |
wolfSSL | 13:f67a6c6013ca | 76 | return 0; |
wolfSSL | 13:f67a6c6013ca | 77 | } |
wolfSSL | 13:f67a6c6013ca | 78 | |
wolfSSL | 13:f67a6c6013ca | 79 | /* Some helper functions, not necessarily useful */ |
wolfSSL | 13:f67a6c6013ca | 80 | static INLINE int blake2b_set_lastblock( blake2b_state *S ) |
wolfSSL | 13:f67a6c6013ca | 81 | { |
wolfSSL | 13:f67a6c6013ca | 82 | if( S->last_node ) blake2b_set_lastnode( S ); |
wolfSSL | 13:f67a6c6013ca | 83 | |
wolfSSL | 13:f67a6c6013ca | 84 | S->f[0] = ~0ULL; |
wolfSSL | 13:f67a6c6013ca | 85 | return 0; |
wolfSSL | 13:f67a6c6013ca | 86 | } |
wolfSSL | 13:f67a6c6013ca | 87 | |
wolfSSL | 13:f67a6c6013ca | 88 | static INLINE int blake2b_increment_counter( blake2b_state *S, const word64 |
wolfSSL | 13:f67a6c6013ca | 89 | inc ) |
wolfSSL | 13:f67a6c6013ca | 90 | { |
wolfSSL | 13:f67a6c6013ca | 91 | S->t[0] += inc; |
wolfSSL | 13:f67a6c6013ca | 92 | S->t[1] += ( S->t[0] < inc ); |
wolfSSL | 13:f67a6c6013ca | 93 | return 0; |
wolfSSL | 13:f67a6c6013ca | 94 | } |
wolfSSL | 13:f67a6c6013ca | 95 | |
wolfSSL | 13:f67a6c6013ca | 96 | static INLINE int blake2b_init0( blake2b_state *S ) |
wolfSSL | 13:f67a6c6013ca | 97 | { |
wolfSSL | 13:f67a6c6013ca | 98 | int i; |
wolfSSL | 13:f67a6c6013ca | 99 | XMEMSET( S, 0, sizeof( blake2b_state ) ); |
wolfSSL | 13:f67a6c6013ca | 100 | |
wolfSSL | 13:f67a6c6013ca | 101 | for( i = 0; i < 8; ++i ) S->h[i] = blake2b_IV[i]; |
wolfSSL | 13:f67a6c6013ca | 102 | |
wolfSSL | 13:f67a6c6013ca | 103 | return 0; |
wolfSSL | 13:f67a6c6013ca | 104 | } |
wolfSSL | 13:f67a6c6013ca | 105 | |
wolfSSL | 13:f67a6c6013ca | 106 | /* init xors IV with input parameter block */ |
wolfSSL | 13:f67a6c6013ca | 107 | int blake2b_init_param( blake2b_state *S, const blake2b_param *P ) |
wolfSSL | 13:f67a6c6013ca | 108 | { |
wolfSSL | 13:f67a6c6013ca | 109 | word32 i; |
wolfSSL | 13:f67a6c6013ca | 110 | byte *p ; |
wolfSSL | 13:f67a6c6013ca | 111 | blake2b_init0( S ); |
wolfSSL | 13:f67a6c6013ca | 112 | p = ( byte * )( P ); |
wolfSSL | 13:f67a6c6013ca | 113 | |
wolfSSL | 13:f67a6c6013ca | 114 | /* IV XOR ParamBlock */ |
wolfSSL | 13:f67a6c6013ca | 115 | for( i = 0; i < 8; ++i ) |
wolfSSL | 13:f67a6c6013ca | 116 | S->h[i] ^= load64( p + sizeof( S->h[i] ) * i ); |
wolfSSL | 13:f67a6c6013ca | 117 | |
wolfSSL | 13:f67a6c6013ca | 118 | return 0; |
wolfSSL | 13:f67a6c6013ca | 119 | } |
wolfSSL | 13:f67a6c6013ca | 120 | |
wolfSSL | 13:f67a6c6013ca | 121 | |
wolfSSL | 13:f67a6c6013ca | 122 | |
wolfSSL | 13:f67a6c6013ca | 123 | int blake2b_init( blake2b_state *S, const byte outlen ) |
wolfSSL | 13:f67a6c6013ca | 124 | { |
wolfSSL | 13:f67a6c6013ca | 125 | blake2b_param P[1]; |
wolfSSL | 13:f67a6c6013ca | 126 | |
wolfSSL | 13:f67a6c6013ca | 127 | if ( ( !outlen ) || ( outlen > BLAKE2B_OUTBYTES ) ) return -1; |
wolfSSL | 13:f67a6c6013ca | 128 | |
wolfSSL | 13:f67a6c6013ca | 129 | #ifdef WOLFSSL_BLAKE2B_INIT_EACH_FIELD |
wolfSSL | 13:f67a6c6013ca | 130 | P->digest_length = outlen; |
wolfSSL | 13:f67a6c6013ca | 131 | P->key_length = 0; |
wolfSSL | 13:f67a6c6013ca | 132 | P->fanout = 1; |
wolfSSL | 13:f67a6c6013ca | 133 | P->depth = 1; |
wolfSSL | 13:f67a6c6013ca | 134 | store32( &P->leaf_length, 0 ); |
wolfSSL | 13:f67a6c6013ca | 135 | store64( &P->node_offset, 0 ); |
wolfSSL | 13:f67a6c6013ca | 136 | P->node_depth = 0; |
wolfSSL | 13:f67a6c6013ca | 137 | P->inner_length = 0; |
wolfSSL | 13:f67a6c6013ca | 138 | XMEMSET( P->reserved, 0, sizeof( P->reserved ) ); |
wolfSSL | 13:f67a6c6013ca | 139 | XMEMSET( P->salt, 0, sizeof( P->salt ) ); |
wolfSSL | 13:f67a6c6013ca | 140 | XMEMSET( P->personal, 0, sizeof( P->personal ) ); |
wolfSSL | 13:f67a6c6013ca | 141 | #else |
wolfSSL | 13:f67a6c6013ca | 142 | XMEMSET( P, 0, sizeof( *P ) ); |
wolfSSL | 13:f67a6c6013ca | 143 | P->digest_length = outlen; |
wolfSSL | 13:f67a6c6013ca | 144 | P->fanout = 1; |
wolfSSL | 13:f67a6c6013ca | 145 | P->depth = 1; |
wolfSSL | 13:f67a6c6013ca | 146 | #endif |
wolfSSL | 13:f67a6c6013ca | 147 | return blake2b_init_param( S, P ); |
wolfSSL | 13:f67a6c6013ca | 148 | } |
wolfSSL | 13:f67a6c6013ca | 149 | |
wolfSSL | 13:f67a6c6013ca | 150 | |
wolfSSL | 13:f67a6c6013ca | 151 | int blake2b_init_key( blake2b_state *S, const byte outlen, const void *key, |
wolfSSL | 13:f67a6c6013ca | 152 | const byte keylen ) |
wolfSSL | 13:f67a6c6013ca | 153 | { |
wolfSSL | 13:f67a6c6013ca | 154 | blake2b_param P[1]; |
wolfSSL | 13:f67a6c6013ca | 155 | |
wolfSSL | 13:f67a6c6013ca | 156 | if ( ( !outlen ) || ( outlen > BLAKE2B_OUTBYTES ) ) return -1; |
wolfSSL | 13:f67a6c6013ca | 157 | |
wolfSSL | 13:f67a6c6013ca | 158 | if ( !key || !keylen || keylen > BLAKE2B_KEYBYTES ) return -1; |
wolfSSL | 13:f67a6c6013ca | 159 | |
wolfSSL | 13:f67a6c6013ca | 160 | #ifdef WOLFSSL_BLAKE2B_INIT_EACH_FIELD |
wolfSSL | 13:f67a6c6013ca | 161 | P->digest_length = outlen; |
wolfSSL | 13:f67a6c6013ca | 162 | P->key_length = keylen; |
wolfSSL | 13:f67a6c6013ca | 163 | P->fanout = 1; |
wolfSSL | 13:f67a6c6013ca | 164 | P->depth = 1; |
wolfSSL | 13:f67a6c6013ca | 165 | store32( &P->leaf_length, 0 ); |
wolfSSL | 13:f67a6c6013ca | 166 | store64( &P->node_offset, 0 ); |
wolfSSL | 13:f67a6c6013ca | 167 | P->node_depth = 0; |
wolfSSL | 13:f67a6c6013ca | 168 | P->inner_length = 0; |
wolfSSL | 13:f67a6c6013ca | 169 | XMEMSET( P->reserved, 0, sizeof( P->reserved ) ); |
wolfSSL | 13:f67a6c6013ca | 170 | XMEMSET( P->salt, 0, sizeof( P->salt ) ); |
wolfSSL | 13:f67a6c6013ca | 171 | XMEMSET( P->personal, 0, sizeof( P->personal ) ); |
wolfSSL | 13:f67a6c6013ca | 172 | #else |
wolfSSL | 13:f67a6c6013ca | 173 | XMEMSET( P, 0, sizeof( *P ) ); |
wolfSSL | 13:f67a6c6013ca | 174 | P->digest_length = outlen; |
wolfSSL | 13:f67a6c6013ca | 175 | P->key_length = keylen; |
wolfSSL | 13:f67a6c6013ca | 176 | P->fanout = 1; |
wolfSSL | 13:f67a6c6013ca | 177 | P->depth = 1; |
wolfSSL | 13:f67a6c6013ca | 178 | #endif |
wolfSSL | 13:f67a6c6013ca | 179 | |
wolfSSL | 13:f67a6c6013ca | 180 | if( blake2b_init_param( S, P ) < 0 ) return -1; |
wolfSSL | 13:f67a6c6013ca | 181 | |
wolfSSL | 13:f67a6c6013ca | 182 | { |
wolfSSL | 13:f67a6c6013ca | 183 | #ifdef WOLFSSL_SMALL_STACK |
wolfSSL | 13:f67a6c6013ca | 184 | byte* block; |
wolfSSL | 13:f67a6c6013ca | 185 | |
wolfSSL | 13:f67a6c6013ca | 186 | block = (byte*)XMALLOC(BLAKE2B_BLOCKBYTES, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
wolfSSL | 13:f67a6c6013ca | 187 | |
wolfSSL | 13:f67a6c6013ca | 188 | if ( block == NULL ) return -1; |
wolfSSL | 13:f67a6c6013ca | 189 | #else |
wolfSSL | 13:f67a6c6013ca | 190 | byte block[BLAKE2B_BLOCKBYTES]; |
wolfSSL | 13:f67a6c6013ca | 191 | #endif |
wolfSSL | 13:f67a6c6013ca | 192 | |
wolfSSL | 13:f67a6c6013ca | 193 | XMEMSET( block, 0, BLAKE2B_BLOCKBYTES ); |
wolfSSL | 13:f67a6c6013ca | 194 | XMEMCPY( block, key, keylen ); |
wolfSSL | 13:f67a6c6013ca | 195 | blake2b_update( S, block, BLAKE2B_BLOCKBYTES ); |
wolfSSL | 13:f67a6c6013ca | 196 | secure_zero_memory( block, BLAKE2B_BLOCKBYTES ); /* Burn the key from */ |
wolfSSL | 13:f67a6c6013ca | 197 | /* memory */ |
wolfSSL | 13:f67a6c6013ca | 198 | |
wolfSSL | 13:f67a6c6013ca | 199 | #ifdef WOLFSSL_SMALL_STACK |
wolfSSL | 13:f67a6c6013ca | 200 | XFREE(block, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
wolfSSL | 13:f67a6c6013ca | 201 | #endif |
wolfSSL | 13:f67a6c6013ca | 202 | } |
wolfSSL | 13:f67a6c6013ca | 203 | return 0; |
wolfSSL | 13:f67a6c6013ca | 204 | } |
wolfSSL | 13:f67a6c6013ca | 205 | |
wolfSSL | 13:f67a6c6013ca | 206 | static int blake2b_compress( blake2b_state *S, |
wolfSSL | 13:f67a6c6013ca | 207 | const byte block[BLAKE2B_BLOCKBYTES] ) |
wolfSSL | 13:f67a6c6013ca | 208 | { |
wolfSSL | 13:f67a6c6013ca | 209 | int i; |
wolfSSL | 13:f67a6c6013ca | 210 | |
wolfSSL | 13:f67a6c6013ca | 211 | #ifdef WOLFSSL_SMALL_STACK |
wolfSSL | 13:f67a6c6013ca | 212 | word64* m; |
wolfSSL | 13:f67a6c6013ca | 213 | word64* v; |
wolfSSL | 13:f67a6c6013ca | 214 | |
wolfSSL | 13:f67a6c6013ca | 215 | m = (word64*)XMALLOC(sizeof(word64) * 16, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
wolfSSL | 13:f67a6c6013ca | 216 | |
wolfSSL | 13:f67a6c6013ca | 217 | if ( m == NULL ) return -1; |
wolfSSL | 13:f67a6c6013ca | 218 | |
wolfSSL | 13:f67a6c6013ca | 219 | v = (word64*)XMALLOC(sizeof(word64) * 16, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
wolfSSL | 13:f67a6c6013ca | 220 | |
wolfSSL | 13:f67a6c6013ca | 221 | if ( v == NULL ) |
wolfSSL | 13:f67a6c6013ca | 222 | { |
wolfSSL | 13:f67a6c6013ca | 223 | XFREE(m, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
wolfSSL | 13:f67a6c6013ca | 224 | return -1; |
wolfSSL | 13:f67a6c6013ca | 225 | } |
wolfSSL | 13:f67a6c6013ca | 226 | #else |
wolfSSL | 13:f67a6c6013ca | 227 | word64 m[16]; |
wolfSSL | 13:f67a6c6013ca | 228 | word64 v[16]; |
wolfSSL | 13:f67a6c6013ca | 229 | #endif |
wolfSSL | 13:f67a6c6013ca | 230 | |
wolfSSL | 13:f67a6c6013ca | 231 | for( i = 0; i < 16; ++i ) |
wolfSSL | 13:f67a6c6013ca | 232 | m[i] = load64( block + i * sizeof( m[i] ) ); |
wolfSSL | 13:f67a6c6013ca | 233 | |
wolfSSL | 13:f67a6c6013ca | 234 | for( i = 0; i < 8; ++i ) |
wolfSSL | 13:f67a6c6013ca | 235 | v[i] = S->h[i]; |
wolfSSL | 13:f67a6c6013ca | 236 | |
wolfSSL | 13:f67a6c6013ca | 237 | v[ 8] = blake2b_IV[0]; |
wolfSSL | 13:f67a6c6013ca | 238 | v[ 9] = blake2b_IV[1]; |
wolfSSL | 13:f67a6c6013ca | 239 | v[10] = blake2b_IV[2]; |
wolfSSL | 13:f67a6c6013ca | 240 | v[11] = blake2b_IV[3]; |
wolfSSL | 13:f67a6c6013ca | 241 | v[12] = S->t[0] ^ blake2b_IV[4]; |
wolfSSL | 13:f67a6c6013ca | 242 | v[13] = S->t[1] ^ blake2b_IV[5]; |
wolfSSL | 13:f67a6c6013ca | 243 | v[14] = S->f[0] ^ blake2b_IV[6]; |
wolfSSL | 13:f67a6c6013ca | 244 | v[15] = S->f[1] ^ blake2b_IV[7]; |
wolfSSL | 13:f67a6c6013ca | 245 | #define G(r,i,a,b,c,d) \ |
wolfSSL | 13:f67a6c6013ca | 246 | do { \ |
wolfSSL | 13:f67a6c6013ca | 247 | a = a + b + m[blake2b_sigma[r][2*i+0]]; \ |
wolfSSL | 13:f67a6c6013ca | 248 | d = rotr64(d ^ a, 32); \ |
wolfSSL | 13:f67a6c6013ca | 249 | c = c + d; \ |
wolfSSL | 13:f67a6c6013ca | 250 | b = rotr64(b ^ c, 24); \ |
wolfSSL | 13:f67a6c6013ca | 251 | a = a + b + m[blake2b_sigma[r][2*i+1]]; \ |
wolfSSL | 13:f67a6c6013ca | 252 | d = rotr64(d ^ a, 16); \ |
wolfSSL | 13:f67a6c6013ca | 253 | c = c + d; \ |
wolfSSL | 13:f67a6c6013ca | 254 | b = rotr64(b ^ c, 63); \ |
wolfSSL | 13:f67a6c6013ca | 255 | } while(0) |
wolfSSL | 13:f67a6c6013ca | 256 | #define ROUND(r) \ |
wolfSSL | 13:f67a6c6013ca | 257 | do { \ |
wolfSSL | 13:f67a6c6013ca | 258 | G(r,0,v[ 0],v[ 4],v[ 8],v[12]); \ |
wolfSSL | 13:f67a6c6013ca | 259 | G(r,1,v[ 1],v[ 5],v[ 9],v[13]); \ |
wolfSSL | 13:f67a6c6013ca | 260 | G(r,2,v[ 2],v[ 6],v[10],v[14]); \ |
wolfSSL | 13:f67a6c6013ca | 261 | G(r,3,v[ 3],v[ 7],v[11],v[15]); \ |
wolfSSL | 13:f67a6c6013ca | 262 | G(r,4,v[ 0],v[ 5],v[10],v[15]); \ |
wolfSSL | 13:f67a6c6013ca | 263 | G(r,5,v[ 1],v[ 6],v[11],v[12]); \ |
wolfSSL | 13:f67a6c6013ca | 264 | G(r,6,v[ 2],v[ 7],v[ 8],v[13]); \ |
wolfSSL | 13:f67a6c6013ca | 265 | G(r,7,v[ 3],v[ 4],v[ 9],v[14]); \ |
wolfSSL | 13:f67a6c6013ca | 266 | } while(0) |
wolfSSL | 13:f67a6c6013ca | 267 | ROUND( 0 ); |
wolfSSL | 13:f67a6c6013ca | 268 | ROUND( 1 ); |
wolfSSL | 13:f67a6c6013ca | 269 | ROUND( 2 ); |
wolfSSL | 13:f67a6c6013ca | 270 | ROUND( 3 ); |
wolfSSL | 13:f67a6c6013ca | 271 | ROUND( 4 ); |
wolfSSL | 13:f67a6c6013ca | 272 | ROUND( 5 ); |
wolfSSL | 13:f67a6c6013ca | 273 | ROUND( 6 ); |
wolfSSL | 13:f67a6c6013ca | 274 | ROUND( 7 ); |
wolfSSL | 13:f67a6c6013ca | 275 | ROUND( 8 ); |
wolfSSL | 13:f67a6c6013ca | 276 | ROUND( 9 ); |
wolfSSL | 13:f67a6c6013ca | 277 | ROUND( 10 ); |
wolfSSL | 13:f67a6c6013ca | 278 | ROUND( 11 ); |
wolfSSL | 13:f67a6c6013ca | 279 | |
wolfSSL | 13:f67a6c6013ca | 280 | for( i = 0; i < 8; ++i ) |
wolfSSL | 13:f67a6c6013ca | 281 | S->h[i] = S->h[i] ^ v[i] ^ v[i + 8]; |
wolfSSL | 13:f67a6c6013ca | 282 | |
wolfSSL | 13:f67a6c6013ca | 283 | #undef G |
wolfSSL | 13:f67a6c6013ca | 284 | #undef ROUND |
wolfSSL | 13:f67a6c6013ca | 285 | |
wolfSSL | 13:f67a6c6013ca | 286 | #ifdef WOLFSSL_SMALL_STACK |
wolfSSL | 13:f67a6c6013ca | 287 | XFREE(m, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
wolfSSL | 13:f67a6c6013ca | 288 | XFREE(v, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
wolfSSL | 13:f67a6c6013ca | 289 | #endif |
wolfSSL | 13:f67a6c6013ca | 290 | |
wolfSSL | 13:f67a6c6013ca | 291 | return 0; |
wolfSSL | 13:f67a6c6013ca | 292 | } |
wolfSSL | 13:f67a6c6013ca | 293 | |
wolfSSL | 13:f67a6c6013ca | 294 | /* inlen now in bytes */ |
wolfSSL | 13:f67a6c6013ca | 295 | int blake2b_update( blake2b_state *S, const byte *in, word64 inlen ) |
wolfSSL | 13:f67a6c6013ca | 296 | { |
wolfSSL | 13:f67a6c6013ca | 297 | while( inlen > 0 ) |
wolfSSL | 13:f67a6c6013ca | 298 | { |
wolfSSL | 13:f67a6c6013ca | 299 | word64 left = S->buflen; |
wolfSSL | 13:f67a6c6013ca | 300 | word64 fill = 2 * BLAKE2B_BLOCKBYTES - left; |
wolfSSL | 13:f67a6c6013ca | 301 | |
wolfSSL | 13:f67a6c6013ca | 302 | if( inlen > fill ) |
wolfSSL | 13:f67a6c6013ca | 303 | { |
wolfSSL | 13:f67a6c6013ca | 304 | XMEMCPY( S->buf + left, in, (wolfssl_word)fill ); /* Fill buffer */ |
wolfSSL | 13:f67a6c6013ca | 305 | S->buflen += fill; |
wolfSSL | 13:f67a6c6013ca | 306 | blake2b_increment_counter( S, BLAKE2B_BLOCKBYTES ); |
wolfSSL | 13:f67a6c6013ca | 307 | |
wolfSSL | 13:f67a6c6013ca | 308 | if ( blake2b_compress( S, S->buf ) < 0 ) return -1; /* Compress */ |
wolfSSL | 13:f67a6c6013ca | 309 | |
wolfSSL | 13:f67a6c6013ca | 310 | XMEMCPY( S->buf, S->buf + BLAKE2B_BLOCKBYTES, BLAKE2B_BLOCKBYTES ); |
wolfSSL | 13:f67a6c6013ca | 311 | /* Shift buffer left */ |
wolfSSL | 13:f67a6c6013ca | 312 | S->buflen -= BLAKE2B_BLOCKBYTES; |
wolfSSL | 13:f67a6c6013ca | 313 | in += fill; |
wolfSSL | 13:f67a6c6013ca | 314 | inlen -= fill; |
wolfSSL | 13:f67a6c6013ca | 315 | } |
wolfSSL | 13:f67a6c6013ca | 316 | else /* inlen <= fill */ |
wolfSSL | 13:f67a6c6013ca | 317 | { |
wolfSSL | 13:f67a6c6013ca | 318 | XMEMCPY( S->buf + left, in, (wolfssl_word)inlen ); |
wolfSSL | 13:f67a6c6013ca | 319 | S->buflen += inlen; /* Be lazy, do not compress */ |
wolfSSL | 13:f67a6c6013ca | 320 | in += inlen; |
wolfSSL | 13:f67a6c6013ca | 321 | inlen -= inlen; |
wolfSSL | 13:f67a6c6013ca | 322 | } |
wolfSSL | 13:f67a6c6013ca | 323 | } |
wolfSSL | 13:f67a6c6013ca | 324 | |
wolfSSL | 13:f67a6c6013ca | 325 | return 0; |
wolfSSL | 13:f67a6c6013ca | 326 | } |
wolfSSL | 13:f67a6c6013ca | 327 | |
wolfSSL | 13:f67a6c6013ca | 328 | /* Is this correct? */ |
wolfSSL | 13:f67a6c6013ca | 329 | int blake2b_final( blake2b_state *S, byte *out, byte outlen ) |
wolfSSL | 13:f67a6c6013ca | 330 | { |
wolfSSL | 13:f67a6c6013ca | 331 | byte buffer[BLAKE2B_OUTBYTES]; |
wolfSSL | 13:f67a6c6013ca | 332 | int i; |
wolfSSL | 13:f67a6c6013ca | 333 | |
wolfSSL | 13:f67a6c6013ca | 334 | if( S->buflen > BLAKE2B_BLOCKBYTES ) |
wolfSSL | 13:f67a6c6013ca | 335 | { |
wolfSSL | 13:f67a6c6013ca | 336 | blake2b_increment_counter( S, BLAKE2B_BLOCKBYTES ); |
wolfSSL | 13:f67a6c6013ca | 337 | |
wolfSSL | 13:f67a6c6013ca | 338 | if ( blake2b_compress( S, S->buf ) < 0 ) return -1; |
wolfSSL | 13:f67a6c6013ca | 339 | |
wolfSSL | 13:f67a6c6013ca | 340 | S->buflen -= BLAKE2B_BLOCKBYTES; |
wolfSSL | 13:f67a6c6013ca | 341 | XMEMCPY( S->buf, S->buf + BLAKE2B_BLOCKBYTES, (wolfssl_word)S->buflen ); |
wolfSSL | 13:f67a6c6013ca | 342 | } |
wolfSSL | 13:f67a6c6013ca | 343 | |
wolfSSL | 13:f67a6c6013ca | 344 | blake2b_increment_counter( S, S->buflen ); |
wolfSSL | 13:f67a6c6013ca | 345 | blake2b_set_lastblock( S ); |
wolfSSL | 13:f67a6c6013ca | 346 | XMEMSET( S->buf + S->buflen, 0, (wolfssl_word)(2 * BLAKE2B_BLOCKBYTES - S->buflen) ); |
wolfSSL | 13:f67a6c6013ca | 347 | /* Padding */ |
wolfSSL | 13:f67a6c6013ca | 348 | if ( blake2b_compress( S, S->buf ) < 0 ) return -1; |
wolfSSL | 13:f67a6c6013ca | 349 | |
wolfSSL | 13:f67a6c6013ca | 350 | for( i = 0; i < 8; ++i ) /* Output full hash to temp buffer */ |
wolfSSL | 13:f67a6c6013ca | 351 | store64( buffer + sizeof( S->h[i] ) * i, S->h[i] ); |
wolfSSL | 13:f67a6c6013ca | 352 | |
wolfSSL | 13:f67a6c6013ca | 353 | XMEMCPY( out, buffer, outlen ); |
wolfSSL | 13:f67a6c6013ca | 354 | return 0; |
wolfSSL | 13:f67a6c6013ca | 355 | } |
wolfSSL | 13:f67a6c6013ca | 356 | |
wolfSSL | 13:f67a6c6013ca | 357 | /* inlen, at least, should be word64. Others can be size_t. */ |
wolfSSL | 13:f67a6c6013ca | 358 | int blake2b( byte *out, const void *in, const void *key, const byte outlen, |
wolfSSL | 13:f67a6c6013ca | 359 | const word64 inlen, byte keylen ) |
wolfSSL | 13:f67a6c6013ca | 360 | { |
wolfSSL | 13:f67a6c6013ca | 361 | blake2b_state S[1]; |
wolfSSL | 13:f67a6c6013ca | 362 | |
wolfSSL | 13:f67a6c6013ca | 363 | /* Verify parameters */ |
wolfSSL | 13:f67a6c6013ca | 364 | if ( NULL == in ) return -1; |
wolfSSL | 13:f67a6c6013ca | 365 | |
wolfSSL | 13:f67a6c6013ca | 366 | if ( NULL == out ) return -1; |
wolfSSL | 13:f67a6c6013ca | 367 | |
wolfSSL | 13:f67a6c6013ca | 368 | if( NULL == key ) keylen = 0; |
wolfSSL | 13:f67a6c6013ca | 369 | |
wolfSSL | 13:f67a6c6013ca | 370 | if( keylen > 0 ) |
wolfSSL | 13:f67a6c6013ca | 371 | { |
wolfSSL | 13:f67a6c6013ca | 372 | if( blake2b_init_key( S, outlen, key, keylen ) < 0 ) return -1; |
wolfSSL | 13:f67a6c6013ca | 373 | } |
wolfSSL | 13:f67a6c6013ca | 374 | else |
wolfSSL | 13:f67a6c6013ca | 375 | { |
wolfSSL | 13:f67a6c6013ca | 376 | if( blake2b_init( S, outlen ) < 0 ) return -1; |
wolfSSL | 13:f67a6c6013ca | 377 | } |
wolfSSL | 13:f67a6c6013ca | 378 | |
wolfSSL | 13:f67a6c6013ca | 379 | if ( blake2b_update( S, ( byte * )in, inlen ) < 0) return -1; |
wolfSSL | 13:f67a6c6013ca | 380 | |
wolfSSL | 13:f67a6c6013ca | 381 | return blake2b_final( S, out, outlen ); |
wolfSSL | 13:f67a6c6013ca | 382 | } |
wolfSSL | 13:f67a6c6013ca | 383 | |
wolfSSL | 13:f67a6c6013ca | 384 | #if defined(BLAKE2B_SELFTEST) |
wolfSSL | 13:f67a6c6013ca | 385 | #include <string.h> |
wolfSSL | 13:f67a6c6013ca | 386 | #include "blake2-kat.h" |
wolfSSL | 13:f67a6c6013ca | 387 | int main( int argc, char **argv ) |
wolfSSL | 13:f67a6c6013ca | 388 | { |
wolfSSL | 13:f67a6c6013ca | 389 | byte key[BLAKE2B_KEYBYTES]; |
wolfSSL | 13:f67a6c6013ca | 390 | byte buf[KAT_LENGTH]; |
wolfSSL | 13:f67a6c6013ca | 391 | |
wolfSSL | 13:f67a6c6013ca | 392 | for( word32 i = 0; i < BLAKE2B_KEYBYTES; ++i ) |
wolfSSL | 13:f67a6c6013ca | 393 | key[i] = ( byte )i; |
wolfSSL | 13:f67a6c6013ca | 394 | |
wolfSSL | 13:f67a6c6013ca | 395 | for( word32 i = 0; i < KAT_LENGTH; ++i ) |
wolfSSL | 13:f67a6c6013ca | 396 | buf[i] = ( byte )i; |
wolfSSL | 13:f67a6c6013ca | 397 | |
wolfSSL | 13:f67a6c6013ca | 398 | for( word32 i = 0; i < KAT_LENGTH; ++i ) |
wolfSSL | 13:f67a6c6013ca | 399 | { |
wolfSSL | 13:f67a6c6013ca | 400 | byte hash[BLAKE2B_OUTBYTES]; |
wolfSSL | 13:f67a6c6013ca | 401 | if ( blake2b( hash, buf, key, BLAKE2B_OUTBYTES, i, BLAKE2B_KEYBYTES ) < 0 ) |
wolfSSL | 13:f67a6c6013ca | 402 | { |
wolfSSL | 13:f67a6c6013ca | 403 | puts( "error" ); |
wolfSSL | 13:f67a6c6013ca | 404 | return -1; |
wolfSSL | 13:f67a6c6013ca | 405 | } |
wolfSSL | 13:f67a6c6013ca | 406 | |
wolfSSL | 13:f67a6c6013ca | 407 | if( 0 != XMEMCMP( hash, blake2b_keyed_kat[i], BLAKE2B_OUTBYTES ) ) |
wolfSSL | 13:f67a6c6013ca | 408 | { |
wolfSSL | 13:f67a6c6013ca | 409 | puts( "error" ); |
wolfSSL | 13:f67a6c6013ca | 410 | return -1; |
wolfSSL | 13:f67a6c6013ca | 411 | } |
wolfSSL | 13:f67a6c6013ca | 412 | } |
wolfSSL | 13:f67a6c6013ca | 413 | |
wolfSSL | 13:f67a6c6013ca | 414 | puts( "ok" ); |
wolfSSL | 13:f67a6c6013ca | 415 | return 0; |
wolfSSL | 13:f67a6c6013ca | 416 | } |
wolfSSL | 13:f67a6c6013ca | 417 | #endif |
wolfSSL | 13:f67a6c6013ca | 418 | |
wolfSSL | 13:f67a6c6013ca | 419 | |
wolfSSL | 13:f67a6c6013ca | 420 | /* wolfCrypt API */ |
wolfSSL | 13:f67a6c6013ca | 421 | |
wolfSSL | 13:f67a6c6013ca | 422 | /* Init Blake2b digest, track size in case final doesn't want to "remember" */ |
wolfSSL | 13:f67a6c6013ca | 423 | int wc_InitBlake2b(Blake2b* b2b, word32 digestSz) |
wolfSSL | 13:f67a6c6013ca | 424 | { |
wolfSSL | 13:f67a6c6013ca | 425 | b2b->digestSz = digestSz; |
wolfSSL | 13:f67a6c6013ca | 426 | |
wolfSSL | 13:f67a6c6013ca | 427 | return blake2b_init(b2b->S, (byte)digestSz); |
wolfSSL | 13:f67a6c6013ca | 428 | } |
wolfSSL | 13:f67a6c6013ca | 429 | |
wolfSSL | 13:f67a6c6013ca | 430 | |
wolfSSL | 13:f67a6c6013ca | 431 | /* Blake2b Update */ |
wolfSSL | 13:f67a6c6013ca | 432 | int wc_Blake2bUpdate(Blake2b* b2b, const byte* data, word32 sz) |
wolfSSL | 13:f67a6c6013ca | 433 | { |
wolfSSL | 13:f67a6c6013ca | 434 | return blake2b_update(b2b->S, data, sz); |
wolfSSL | 13:f67a6c6013ca | 435 | } |
wolfSSL | 13:f67a6c6013ca | 436 | |
wolfSSL | 13:f67a6c6013ca | 437 | |
wolfSSL | 13:f67a6c6013ca | 438 | /* Blake2b Final, if pass in zero size we use init digestSz */ |
wolfSSL | 13:f67a6c6013ca | 439 | int wc_Blake2bFinal(Blake2b* b2b, byte* final, word32 requestSz) |
wolfSSL | 13:f67a6c6013ca | 440 | { |
wolfSSL | 13:f67a6c6013ca | 441 | word32 sz = requestSz ? requestSz : b2b->digestSz; |
wolfSSL | 13:f67a6c6013ca | 442 | |
wolfSSL | 13:f67a6c6013ca | 443 | return blake2b_final(b2b->S, final, (byte)sz); |
wolfSSL | 13:f67a6c6013ca | 444 | } |
wolfSSL | 13:f67a6c6013ca | 445 | |
wolfSSL | 13:f67a6c6013ca | 446 | |
wolfSSL | 13:f67a6c6013ca | 447 | /* end CTaoCrypt API */ |
wolfSSL | 13:f67a6c6013ca | 448 | |
wolfSSL | 13:f67a6c6013ca | 449 | #endif /* HAVE_BLAKE2 */ |
wolfSSL | 13:f67a6c6013ca | 450 | |
wolfSSL | 13:f67a6c6013ca | 451 |