You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
50 lines
1.4 KiB
50 lines
1.4 KiB
/*
|
|
* Copyright (C) 2016 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef _NANOHUB_SHA2_H_
|
|
#define _NANOHUB_SHA2_H_
|
|
|
|
//this is neither the fastest nor the smallest. but it is simple and matches the spec. cool.
|
|
|
|
#include <stdint.h>
|
|
|
|
#define SHA2_BLOCK_SIZE 64U //in bytes
|
|
#define SHA2_WORDS_STATE_SIZE 64U //in words
|
|
|
|
#define SHA2_HASH_SIZE 32U //in bytes
|
|
#define SHA2_HASH_WORDS 8U //in words
|
|
|
|
struct Sha2state {
|
|
uint32_t h[8];
|
|
uint64_t msgLen;
|
|
union {
|
|
uint32_t w[SHA2_WORDS_STATE_SIZE];
|
|
uint8_t b[SHA2_BLOCK_SIZE];
|
|
};
|
|
uint8_t bufBytesUsed;
|
|
};
|
|
|
|
void sha2init(struct Sha2state *state);
|
|
void sha2processBytes(struct Sha2state *state, const void *bytes, uint32_t numBytes);
|
|
const uint32_t* sha2finish(struct Sha2state *state); //returned hash pointer is only valid as long as "state" is!
|
|
|
|
|
|
|
|
|
|
|
|
#endif // _NANOHUB_SHA2_H_
|
|
|