mirror of
https://github.com/trezor/trezor-firmware.git
synced 2025-01-30 17:21:21 +00:00
64 lines
1.8 KiB
C
64 lines
1.8 KiB
C
|
/*
|
||
|
* This file is part of the TREZOR project, https://trezor.io/
|
||
|
*
|
||
|
* Copyright (C) 2017 Saleem Rashid <trezor@saleemrashid.com>
|
||
|
*
|
||
|
* This library is free software: you can redistribute it and/or modify
|
||
|
* it under the terms of the GNU Lesser General Public License as published by
|
||
|
* the Free Software Foundation, either version 3 of the License, or
|
||
|
* (at your option) any later version.
|
||
|
*
|
||
|
* This library is distributed in the hope that it will be useful,
|
||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
* GNU Lesser General Public License for more details.
|
||
|
*
|
||
|
* You should have received a copy of the GNU Lesser General Public License
|
||
|
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
||
|
*/
|
||
|
|
||
|
#include "hasher.h"
|
||
|
|
||
|
void hasher_Init(Hasher *hasher, HasherType type) {
|
||
|
hasher->type = type;
|
||
|
|
||
|
switch (hasher->type) {
|
||
|
case HASHER_SHA2:
|
||
|
sha256_Init(&hasher->ctx.sha2);
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void hasher_Reset(Hasher *hasher) {
|
||
|
hasher_Init(hasher, hasher->type);
|
||
|
}
|
||
|
|
||
|
void hasher_Update(Hasher *hasher, const uint8_t *data, size_t length) {
|
||
|
switch (hasher->type) {
|
||
|
case HASHER_SHA2:
|
||
|
sha256_Update(&hasher->ctx.sha2, data, length);
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void hasher_Final(Hasher *hasher, uint8_t hash[HASHER_DIGEST_LENGTH]) {
|
||
|
switch (hasher->type) {
|
||
|
case HASHER_SHA2:
|
||
|
sha256_Final(&hasher->ctx.sha2, hash);
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void hasher_Double(Hasher *hasher, uint8_t hash[HASHER_DIGEST_LENGTH]) {
|
||
|
hasher_Final(hasher, hash);
|
||
|
hasher_Raw(hasher->type, hash, HASHER_DIGEST_LENGTH, hash);
|
||
|
}
|
||
|
|
||
|
void hasher_Raw(HasherType type, const uint8_t *data, size_t length, uint8_t hash[HASHER_DIGEST_LENGTH]) {
|
||
|
Hasher hasher;
|
||
|
|
||
|
hasher_Init(&hasher, type);
|
||
|
hasher_Update(&hasher, data, length);
|
||
|
hasher_Final(&hasher, hash);
|
||
|
}
|