mirror of
https://github.com/autistic-symposium/sec-pentesting-toolkit.git
synced 2025-05-08 09:45:00 -04:00
73 lines
2.7 KiB
C
73 lines
2.7 KiB
C
/*
|
|
* An implementation of the SHA-256 hash function.
|
|
*
|
|
* The Federal Information Processing Standards (FIPS) Specification
|
|
* can be found here (FIPS 180-3):
|
|
* http://csrc.nist.gov/publications/PubsFIPS.html
|
|
*
|
|
* Written in 2010 by Lorenz Quack <don@amberfisharts.com>
|
|
*
|
|
* ===================================================================
|
|
* The contents of this file are dedicated to the public domain. To
|
|
* the extent that dedication to the public domain is not available,
|
|
* everyone is granted a worldwide, perpetual, royalty-free,
|
|
* non-exclusive license to exercise all rights associated with the
|
|
* contents of this file for any purpose whatsoever.
|
|
* No rights are reserved.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
* ===================================================================
|
|
*
|
|
*/
|
|
#define MODULE_NAME _SHA256
|
|
#define DIGEST_SIZE (256/8)
|
|
#define BLOCK_SIZE (512/8)
|
|
#define WORD_SIZE 4
|
|
#define SCHEDULE_SIZE 64
|
|
|
|
#include "hash_SHA2.h"
|
|
|
|
/* Initial Values H */
|
|
static const sha2_word_t H[8] = {
|
|
0x6a09e667,
|
|
0xbb67ae85,
|
|
0x3c6ef372,
|
|
0xa54ff53a,
|
|
0x510e527f,
|
|
0x9b05688c,
|
|
0x1f83d9ab,
|
|
0x5be0cd19
|
|
};
|
|
|
|
/* the Constants K */
|
|
static const sha2_word_t K[SCHEDULE_SIZE] = {
|
|
0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b,
|
|
0x59f111f1, 0x923f82a4, 0xab1c5ed5, 0xd807aa98, 0x12835b01,
|
|
0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7,
|
|
0xc19bf174, 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
|
|
0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da, 0x983e5152,
|
|
0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147,
|
|
0x06ca6351, 0x14292967, 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc,
|
|
0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
|
|
0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819,
|
|
0xd6990624, 0xf40e3585, 0x106aa070, 0x19a4c116, 0x1e376c08,
|
|
0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f,
|
|
0x682e6ff3, 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
|
|
0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
|
|
};
|
|
|
|
/* SHA-256 specific functions */
|
|
#define Sigma0(x) (ROTR(x, 2) ^ ROTR(x, 13) ^ ROTR(x, 22))
|
|
#define Sigma1(x) (ROTR(x, 6) ^ ROTR(x, 11) ^ ROTR(x, 25))
|
|
#define Gamma0(x) (ROTR(x, 7) ^ ROTR(x, 18) ^ SHR(x, 3))
|
|
#define Gamma1(x) (ROTR(x, 17) ^ ROTR(x, 19) ^ SHR(x, 10))
|
|
|
|
#include "hash_SHA2_template.c"
|
|
|