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node-multi-hashing
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Merge pull request #5 from LucasJones/master 

Add support for more hash algorithms
master
Matthew Little 2014-04-21 12:32:11 -06:00
parent b1890528fc 08bf937d4c
commit d098617474
34 changed files with 2662 additions and 1404 deletions
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6
binding.gyp
View File

@ -14,6 +14,12 @@
"bcrypt.c",
"groestl.c",
"blake.c",
"fugue.c",
"qubit.c",
"hefty1.c",
"shavite3.c",
"sha3/sph_hefty1.c",
"sha3/sph_fugue.c",
"sha3/aes_helper.c",
"sha3/sph_blake.c",
"sha3/sph_bmw.c",

2
blake.c
View File

@ -7,7 +7,7 @@
#include "sha3/sph_blake.h"
void blake_hash(const char* input, char* output, unsigned int len)
void blake_hash(const char* input, char* output, uint32_t len)
{
sph_blake256_context ctx_blake;
sph_blake256_init(&ctx_blake);

4
blake.h
View File

@ -5,7 +5,9 @@
extern "C" {
#endif
void blake_hash(const char* input, char* output, unsigned int len);
#include <stdint.h>
void blake_hash(const char* input, char* output, uint32_t len);
#ifdef __cplusplus
}

12
fugue.c 100644
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@ -0,0 +1,12 @@
#include "fugue.h"
#include "sha3/sph_fugue.h"
void fugue_hash(const char* input, char* output, uint32_t len)
{
sph_fugue256_context ctx_fugue;
sph_fugue256_init(&ctx_fugue);
sph_fugue256(&ctx_fugue, input, len);
sph_fugue256_close(&ctx_fugue, output);
}

16
fugue.h 100644
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@ -0,0 +1,16 @@
#ifndef FUGUE_H
#define FUGUE_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
void fugue_hash(const char* input, char* output, uint32_t len);
#ifdef __cplusplus
}
#endif
#endif

35
groestl.c
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@ -5,13 +5,36 @@
#include <stdio.h>
#include "sha3/sph_groestl.h"
#include "sha256.h"
void groestl_hash(const char* input, char* output, unsigned int len)
void groestl_hash(const char* input, char* output, uint32_t len)
{
sph_groestl256_context ctx_groestl;
sph_groestl256_init(&ctx_groestl);
sph_groestl256(&ctx_groestl, input, len);
sph_groestl256_close(&ctx_groestl, output);
char hash1[64];
char hash2[64];
sph_groestl512_context ctx_groestl;
sph_groestl512_init(&ctx_groestl);
sph_groestl512(&ctx_groestl, input, len);
sph_groestl512_close(&ctx_groestl, &hash1);
sph_groestl512(&ctx_groestl, hash1, 64);
sph_groestl512_close(&ctx_groestl, &hash2);
memcpy(output, &hash2, 32);
}
void groestl_myriad_hash(const char* input, char* output, uint32_t len)
{
char temp[64];
sph_groestl512_context ctx_groestl;
sph_groestl512_init(&ctx_groestl);
sph_groestl512(&ctx_groestl, input, len);
sph_groestl512_close(&ctx_groestl, &temp);
SHA256_CTX ctx_sha256;
SHA256_Init(&ctx_sha256);
SHA256_Update(&ctx_sha256, &temp, 64);
SHA256_Final((unsigned char*) output, &ctx_sha256);
}

5
groestl.h
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@ -5,7 +5,10 @@
extern "C" {
#endif
void groestl_hash(const char* input, char* output, unsigned int len);
#include <stdint.h>
void groestl_hash(const char* input, char* output, uint32_t len);
void groestl_myriad_hash(const char* input, char* output, uint32_t len);
#ifdef __cplusplus
}

63
hefty1.c 100644
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@ -0,0 +1,63 @@
#include "hefty1.h"
#include "sha3/sph_hefty1.h"
#include "sha3/sph_keccak.h"
#include "sha3/sph_groestl.h"
#include "sha3/sph_blake.h"
#include "sha256.h"
void hefty1_hash(const char* input, char* output, uint32_t len)
{
HEFTY1_CTX ctx_hefty1;
SHA256_CTX ctx_sha256;
sph_keccak512_context ctx_keccak;
sph_groestl512_context ctx_groestl;
sph_blake512_context ctx_blake;
char hash32_1[32];
char hash32_2[32];
char hash64_3[64];
char hash64_4[64];
char hash64_5[64];
HEFTY1_Init(&ctx_hefty1);
HEFTY1_Update(&ctx_hefty1, (const void*) input, len);
HEFTY1_Final((unsigned char*) &hash32_1, &ctx_hefty1); // 1
SHA256_Init(&ctx_sha256);
SHA256_Update(&ctx_sha256, (const void*) input, len);
SHA256_Update(&ctx_sha256, (unsigned char*) &hash32_1, 32); // 1
SHA256_Final((unsigned char*) &hash32_2, &ctx_sha256); // 2
sph_keccak512_init(&ctx_keccak);
sph_keccak512(&ctx_keccak, (const void*) input, len);
sph_keccak512(&ctx_keccak, (unsigned char*) &hash32_1, 32); //1
sph_keccak512_close(&ctx_keccak, (void*) &hash64_3); // 3
sph_groestl512_init(&ctx_groestl);
sph_groestl512(&ctx_groestl, (const void*) input, len);
sph_groestl512(&ctx_groestl, (unsigned char*) &hash32_1, 32); // 1
sph_groestl512_close(&ctx_groestl, (void*) &hash64_4); // 4
sph_blake512_init(&ctx_blake);
sph_blake512(&ctx_blake, (const void*) input, len);
sph_blake512(&ctx_blake, (unsigned char*) &hash32_1, 32); // 1
sph_blake512_close(&ctx_blake, (void*) &hash64_5); // 5
memset(output, 0, 32);
char* hash[4] = { &hash32_2, &hash64_3, &hash64_4, &hash64_5 };
uint32_t i;
uint32_t j;
#define OUTPUT_BIT (i * 4 + j)
for(i = 0; i < 64; i++) {
for(j = 0; j < 4; j++) {
if((*(hash[j] + (i / 8)) & (0x80 >> (i % 8))) != 0)
*(output + (OUTPUT_BIT / 8)) |= 0x80 >> (OUTPUT_BIT % 8);
}
}
}

16
hefty1.h 100644
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@ -0,0 +1,16 @@
#ifndef HEFTY1_H
#define HEFTY1_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
void hefty1_hash(const char* input, char* output, uint32_t len);
#ifdef __cplusplus
}
#endif
#endif

6
keccak.c
View File

@ -1,14 +1,10 @@
#include "keccak.h"
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <stdio.h>
#include "sha3/sph_types.h"
#include "sha3/sph_keccak.h"
void keccak_hash(const char* input, char* output, unsigned int size)
void keccak_hash(const char* input, char* output, uint32_t size)
{
sph_keccak256_context ctx_keccak;
sph_keccak256_init(&ctx_keccak);

4
keccak.h
View File

@ -5,7 +5,9 @@
extern "C" {
#endif
void keccak_hash(const char* input, char* output, unsigned int size);
#include <stdint.h>
void keccak_hash(const char* input, char* output, uint32_t size);
#ifdef __cplusplus
}

210
multihashing.cc
View File

@ -1,6 +1,7 @@
#include <node.h>
#include <node_buffer.h>
#include <v8.h>
#include <stdint.h>
extern "C" {
#include "bcrypt.h"
@ -13,48 +14,10 @@ extern "C" {
#include "x11.h"
#include "groestl.h"
#include "blake.h"
#define max(a,b) (((a) > (b)) ? (a) : (b))
#define min(a,b) (((a) < (b)) ? (a) : (b))
unsigned char GetNfactorJane(int nTimestamp, int nChainStartTime, int nMin, int nMax) {
const unsigned char minNfactor = nMin;//4;
const unsigned char maxNfactor = nMax;//30;
int l = 0, s, n;
unsigned char N;
if (nTimestamp <= nChainStartTime)
return 4;
s = nTimestamp - nChainStartTime;
while ((s >> 1) > 3) {
l += 1;
s >>= 1;
}
s &= 3;
n = (l * 170 + s * 25 - 2320) / 100;
if (n < 0) n = 0;
if (n > 255)
printf("GetNfactor(%d) - something wrong(n == %d)\n", nTimestamp, n);
N = (unsigned char)n;
//printf("GetNfactor: %d -> %d %d : %d / %d\n", nTimestamp - nChainStartTime, l, s, n, min(max(N, minNfactor), maxNfactor));
return min(max(N, minNfactor), maxNfactor);
}
void scryptjane_hash(const void* input, size_t inputlen, uint32_t *res, unsigned char Nfactor)
{
return scrypt((const unsigned char*)input, inputlen,
(const unsigned char*)input, inputlen,
Nfactor, 0, 0, (unsigned char*)res, 32);
}
#include "fugue.h"
#include "qubit.h"
#include "hefty1.h"
#include "shavite3.h"
}
using namespace node;
@ -76,9 +39,9 @@ Handle<Value> quark(const Arguments& args) {
return except("Argument should be a buffer object.");
char * input = Buffer::Data(target);
char * output = new char[32];
char output[32];
unsigned int input_len = Buffer::Length(target);
uint32_t input_len = Buffer::Length(target);
quark_hash(input, output, input_len);
@ -98,9 +61,9 @@ Handle<Value> x11(const Arguments& args) {
return except("Argument should be a buffer object.");
char * input = Buffer::Data(target);
char * output = new char[32];
char output[32];
unsigned int input_len = Buffer::Length(target);
uint32_t input_len = Buffer::Length(target);
x11_hash(input, output, input_len);
@ -120,9 +83,11 @@ Handle<Value> scrypt(const Arguments& args) {
return except("Argument should be a buffer object.");
char * input = Buffer::Data(target);
char * output = new char[32];
char output[32];
scrypt_1024_1_1_256(input, output);
uint32_t input_len = Buffer::Length(target);
scrypt_1024_1_1_256(input, output, input_len);
Buffer* buff = Buffer::New(output, 32);
return scope.Close(buff->handle_);
@ -145,12 +110,14 @@ Handle<Value> scryptn(const Arguments& args) {
unsigned int nFactor = num->Value();
char * input = Buffer::Data(target);
char * output = new char[32];
char output[32];
uint32_t input_len = Buffer::Length(target);
//unsigned int N = 1 << (getNfactor(input) + 1);
unsigned int N = 1 << nFactor;
scrypt_N_1_1_256(input, output, N);
scrypt_N_1_1_256(input, output, N, input_len);
Buffer* buff = Buffer::New(output, 32);
@ -181,9 +148,11 @@ Handle<Value> scryptjane(const Arguments& args) {
int nMax = num4->Value();
char * input = Buffer::Data(target);
char * output = new char[32];
char output[32];
scryptjane_hash(input, 80, (uint32_t *)output, GetNfactorJane(timestamp, nChainStartTime, nMin, nMax));
uint32_t input_len = Buffer::Length(target);
scryptjane_hash(input, input_len, (uint32_t *)output, GetNfactorJane(timestamp, nChainStartTime, nMin, nMax));
Buffer* buff = Buffer::New(output, 32);
return scope.Close(buff->handle_);
@ -201,7 +170,7 @@ Handle<Value> keccak(const Arguments& args) {
return except("Argument should be a buffer object.");
char * input = Buffer::Data(target);
char * output = new char[32];
char output[32];
unsigned int dSize = Buffer::Length(target);
@ -224,7 +193,7 @@ Handle<Value> bcrypt(const Arguments& args) {
return except("Argument should be a buffer object.");
char * input = Buffer::Data(target);
char * output = new char[32];
char output[32];
bcrypt_hash(input, output);
@ -244,9 +213,9 @@ Handle<Value> skein(const Arguments& args) {
return except("Argument should be a buffer object.");
char * input = Buffer::Data(target);
char * output = new char[32];
char output[32];
unsigned int input_len = Buffer::Length(target);
uint32_t input_len = Buffer::Length(target);
skein_hash(input, output, input_len);
@ -267,9 +236,9 @@ Handle<Value> groestl(const Arguments& args) {
return except("Argument should be a buffer object.");
char * input = Buffer::Data(target);
char * output = new char[32];
char output[32];
unsigned int input_len = Buffer::Length(target);
uint32_t input_len = Buffer::Length(target);
groestl_hash(input, output, input_len);
@ -278,6 +247,29 @@ Handle<Value> groestl(const Arguments& args) {
}
Handle<Value> groestl_myriad(const Arguments& args) {
HandleScope scope;
if (args.Length() < 1)
return except("You must provide one argument.");
Local<Object> target = args[0]->ToObject();
if(!Buffer::HasInstance(target))
return except("Argument should be a buffer object.");
char * input = Buffer::Data(target);
char output[32];
uint32_t input_len = Buffer::Length(target);
groestl_myriad_hash(input, output, input_len);
Buffer* buff = Buffer::New(output, 32);
return scope.Close(buff->handle_);
}
Handle<Value> blake(const Arguments& args) {
HandleScope scope;
@ -290,15 +282,108 @@ Handle<Value> blake(const Arguments& args) {
return except("Argument should be a buffer object.");
char * input = Buffer::Data(target);
char * output = new char[32];
char output[32];
unsigned int input_len = Buffer::Length(target);
uint32_t input_len = Buffer::Length(target);
blake_hash(input, output, input_len);
Buffer* buff = Buffer::New(output, 32);
return scope.Close(buff->handle_);
}
Handle<Value> fugue(const Arguments& args) {
HandleScope scope;
if (args.Length() < 1)
return except("You must provide one argument.");
Local<Object> target = args[0]->ToObject();
if(!Buffer::HasInstance(target))
return except("Argument should be a buffer object.");
char * input = Buffer::Data(target);
char output[32];
uint32_t input_len = Buffer::Length(target);
fugue_hash(input, output, input_len);
Buffer* buff = Buffer::New(output, 32);
return scope.Close(buff->handle_);
}
Handle<Value> qubit(const Arguments& args) {
HandleScope scope;
if (args.Length() < 1)
return except("You must provide one argument.");
Local<Object> target = args[0]->ToObject();
if(!Buffer::HasInstance(target))
return except("Argument should be a buffer object.");
char * input = Buffer::Data(target);
char output[32];
uint32_t input_len = Buffer::Length(target);
qubit_hash(input, output, input_len);
Buffer* buff = Buffer::New(output, 32);
return scope.Close(buff->handle_);
}
Handle<Value> hefty1(const Arguments& args) {
HandleScope scope;
if (args.Length() < 1)
return except("You must provide one argument.");
Local<Object> target = args[0]->ToObject();
if(!Buffer::HasInstance(target))
return except("Argument should be a buffer object.");
char * input = Buffer::Data(target);
char output[32];
uint32_t input_len = Buffer::Length(target);
hefty1_hash(input, output, input_len);
Buffer* buff = Buffer::New(output, 32);
return scope.Close(buff->handle_);
}
Handle<Value> shavite3(const Arguments& args) {
HandleScope scope;
if (args.Length() < 1)
return except("You must provide one argument.");
Local<Object> target = args[0]->ToObject();
if(!Buffer::HasInstance(target))
return except("Argument should be a buffer object.");
char * input = Buffer::Data(target);
char output[32];
uint32_t input_len = Buffer::Length(target);
shavite3_hash(input, output, input_len);
Buffer* buff = Buffer::New(output, 32);
return scope.Close(buff->handle_);
}
void init(Handle<Object> exports) {
exports->Set(String::NewSymbol("quark"), FunctionTemplate::New(quark)->GetFunction());
exports->Set(String::NewSymbol("x11"), FunctionTemplate::New(x11)->GetFunction());
@ -309,7 +394,12 @@ void init(Handle<Object> exports) {
exports->Set(String::NewSymbol("bcrypt"), FunctionTemplate::New(bcrypt)->GetFunction());
exports->Set(String::NewSymbol("skein"), FunctionTemplate::New(skein)->GetFunction());
exports->Set(String::NewSymbol("groestl"), FunctionTemplate::New(groestl)->GetFunction());
exports->Set(String::NewSymbol("groestl_myriad"), FunctionTemplate::New(groestl_myriad)->GetFunction());
exports->Set(String::NewSymbol("blake"), FunctionTemplate::New(blake)->GetFunction());
exports->Set(String::NewSymbol("fugue"), FunctionTemplate::New(fugue)->GetFunction());
exports->Set(String::NewSymbol("qubit"), FunctionTemplate::New(qubit)->GetFunction());
exports->Set(String::NewSymbol("hefty1"), FunctionTemplate::New(hefty1)->GetFunction());
exports->Set(String::NewSymbol("shavite3"), FunctionTemplate::New(shavite3)->GetFunction());
}
NODE_MODULE(multihashing, init)

7
quark.c
View File

@ -85,7 +85,7 @@ le32enc(void *pp, uint32_t x)
* (unsigned char) in big-endian form. Assumes len is a multiple of 4.
*/
static void
be32enc_vect(unsigned char *dst, const uint32_t *src, size_t len)
be32enc_vect(unsigned char *dst, const uint32_t *src, uint32_t len)
{
size_t i;
@ -98,7 +98,7 @@ be32enc_vect(unsigned char *dst, const uint32_t *src, size_t len)
* len/4 vector of (uint32_t). Assumes len is a multiple of 4.
*/
static void
be32dec_vect(uint32_t *dst, const unsigned char *src, size_t len)
be32dec_vect(uint32_t *dst, const unsigned char *src, uint32_t len)
{
size_t i;
@ -106,7 +106,7 @@ be32dec_vect(uint32_t *dst, const unsigned char *src, size_t len)
dst[i] = be32dec(src + i * 4);
}
void quark_hash(const char* input, char* output, unsigned int len)
void quark_hash(const char* input, char* output, uint32_t len)
{
sph_blake512_context ctx_blake;
sph_bmw512_context ctx_bmw;
@ -114,7 +114,6 @@ void quark_hash(const char* input, char* output, unsigned int len)
sph_jh512_context ctx_jh;
sph_keccak512_context ctx_keccak;
sph_skein512_context ctx_skein;
static unsigned char pblank[1];
uint32_t mask = 8;
uint32_t zero = 0;

12
quark.h
View File

@ -1,6 +1,16 @@
#ifndef QUARK_H
#define QUARK_H
void quark_hash(const char* input, char* output, unsigned int len);
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
void quark_hash(const char* input, char* output, uint32_t len);
#ifdef __cplusplus
}
#endif
#endif

42
qubit.c 100644
View File

@ -0,0 +1,42 @@
#include "qubit.h"
#include "sha3/sph_cubehash.h"
#include "sha3/sph_luffa.h"
#include "sha3/sph_shavite.h"
#include "sha3/sph_simd.h"
#include "sha3/sph_echo.h"
void qubit_hash(const char* input, char* output, uint32_t len)
{
sph_luffa512_context ctx_luffa;
sph_cubehash512_context ctx_cubehash;
sph_shavite512_context ctx_shavite;
sph_simd512_context ctx_simd;
sph_echo512_context ctx_echo;
char hash1[64];
char hash2[64];
sph_luffa512_init(&ctx_luffa);
sph_luffa512(&ctx_luffa, (const void*) input, len);
sph_luffa512_close(&ctx_luffa, (void*) &hash1); // 1
sph_cubehash512_init(&ctx_cubehash);
sph_cubehash512(&ctx_cubehash, (const void*) &hash1, 64); // 1
sph_cubehash512_close(&ctx_cubehash, (void*) &hash2); // 2
sph_shavite512_init(&ctx_shavite);
sph_shavite512(&ctx_shavite, (const void*) &hash2, 64); // 3
sph_shavite512_close(&ctx_shavite, (void*) &hash1); // 4
sph_simd512_init(&ctx_simd);
sph_simd512(&ctx_simd, (const void*) &hash1, 64); // 4
sph_simd512_close(&ctx_simd, (void*) &hash2); // 5
sph_echo512_init(&ctx_echo);
sph_echo512(&ctx_echo, (const void*) &hash2, 64); // 5
sph_echo512_close(&ctx_echo, (void*) &hash1); // 6
memcpy(output, &hash1, 32);
}

16
qubit.h 100644
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@ -0,0 +1,16 @@
#ifndef QUBIT_H
#define QUBIT_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
void qubit_hash(const char* input, char* output, uint32_t len);
#ifdef __cplusplus
}
#endif
#endif

440
scrypt.c
View File

@ -37,435 +37,7 @@
#endif
#include <string.h>
static __inline uint32_t
be32dec(const void *pp)
{
const uint8_t *p = (uint8_t const *)pp;
return ((uint32_t)(p[3]) + ((uint32_t)(p[2]) << 8) +
((uint32_t)(p[1]) << 16) + ((uint32_t)(p[0]) << 24));
}
static __inline void
be32enc(void *pp, uint32_t x)
{
uint8_t * p = (uint8_t *)pp;
p[3] = x & 0xff;
p[2] = (x >> 8) & 0xff;
p[1] = (x >> 16) & 0xff;
p[0] = (x >> 24) & 0xff;
}
static __inline uint32_t
le32dec(const void *pp)
{
const uint8_t *p = (uint8_t const *)pp;
return ((uint32_t)(p[0]) + ((uint32_t)(p[1]) << 8) +
((uint32_t)(p[2]) << 16) + ((uint32_t)(p[3]) << 24));
}
static __inline void
le32enc(void *pp, uint32_t x)
{
uint8_t * p = (uint8_t *)pp;
p[0] = x & 0xff;
p[1] = (x >> 8) & 0xff;
p[2] = (x >> 16) & 0xff;
p[3] = (x >> 24) & 0xff;
}
typedef struct SHA256Context {
uint32_t state[8];
uint32_t count[2];
unsigned char buf[64];
} SHA256_CTX;
typedef struct HMAC_SHA256Context {
SHA256_CTX ictx;
SHA256_CTX octx;
} HMAC_SHA256_CTX;
/*
* Encode a length len/4 vector of (uint32_t) into a length len vector of
* (unsigned char) in big-endian form. Assumes len is a multiple of 4.
*/
static void
be32enc_vect(unsigned char *dst, const uint32_t *src, size_t len)
{
size_t i;
for (i = 0; i < len / 4; i++)
be32enc(dst + i * 4, src[i]);
}
/*
* Decode a big-endian length len vector of (unsigned char) into a length
* len/4 vector of (uint32_t). Assumes len is a multiple of 4.
*/
static void
be32dec_vect(uint32_t *dst, const unsigned char *src, size_t len)
{
size_t i;
for (i = 0; i < len / 4; i++)
dst[i] = be32dec(src + i * 4);
}
/* Elementary functions used by SHA256 */
#define Ch(x, y, z) ((x & (y ^ z)) ^ z)
#define Maj(x, y, z) ((x & (y | z)) | (y & z))
#define SHR(x, n) (x >> n)
#define ROTR(x, n) ((x >> n) | (x << (32 - n)))
#define S0(x) (ROTR(x, 2) ^ ROTR(x, 13) ^ ROTR(x, 22))
#define S1(x) (ROTR(x, 6) ^ ROTR(x, 11) ^ ROTR(x, 25))
#define s0(x) (ROTR(x, 7) ^ ROTR(x, 18) ^ SHR(x, 3))
#define s1(x) (ROTR(x, 17) ^ ROTR(x, 19) ^ SHR(x, 10))
/* SHA256 round function */
#define RND(a, b, c, d, e, f, g, h, k) \
t0 = h + S1(e) + Ch(e, f, g) + k; \
t1 = S0(a) + Maj(a, b, c); \
d += t0; \
h = t0 + t1;
/* Adjusted round function for rotating state */
#define RNDr(S, W, i, k) \
RND(S[(64 - i) % 8], S[(65 - i) % 8], \
S[(66 - i) % 8], S[(67 - i) % 8], \
S[(68 - i) % 8], S[(69 - i) % 8], \
S[(70 - i) % 8], S[(71 - i) % 8], \
W[i] + k)
/*
* SHA256 block compression function. The 256-bit state is transformed via
* the 512-bit input block to produce a new state.
*/
static void
SHA256_Transform(uint32_t * state, const unsigned char block[64])
{
uint32_t W[64];
uint32_t S[8];
uint32_t t0, t1;
int i;
/* 1. Prepare message schedule W. */
be32dec_vect(W, block, 64);
for (i = 16; i < 64; i++)
W[i] = s1(W[i - 2]) + W[i - 7] + s0(W[i - 15]) + W[i - 16];
/* 2. Initialize working variables. */
memcpy(S, state, 32);
/* 3. Mix. */
RNDr(S, W, 0, 0x428a2f98);
RNDr(S, W, 1, 0x71374491);
RNDr(S, W, 2, 0xb5c0fbcf);
RNDr(S, W, 3, 0xe9b5dba5);
RNDr(S, W, 4, 0x3956c25b);
RNDr(S, W, 5, 0x59f111f1);
RNDr(S, W, 6, 0x923f82a4);
RNDr(S, W, 7, 0xab1c5ed5);
RNDr(S, W, 8, 0xd807aa98);
RNDr(S, W, 9, 0x12835b01);
RNDr(S, W, 10, 0x243185be);
RNDr(S, W, 11, 0x550c7dc3);
RNDr(S, W, 12, 0x72be5d74);
RNDr(S, W, 13, 0x80deb1fe);
RNDr(S, W, 14, 0x9bdc06a7);
RNDr(S, W, 15, 0xc19bf174);
RNDr(S, W, 16, 0xe49b69c1);
RNDr(S, W, 17, 0xefbe4786);
RNDr(S, W, 18, 0x0fc19dc6);
RNDr(S, W, 19, 0x240ca1cc);
RNDr(S, W, 20, 0x2de92c6f);
RNDr(S, W, 21, 0x4a7484aa);
RNDr(S, W, 22, 0x5cb0a9dc);
RNDr(S, W, 23, 0x76f988da);
RNDr(S, W, 24, 0x983e5152);
RNDr(S, W, 25, 0xa831c66d);
RNDr(S, W, 26, 0xb00327c8);
RNDr(S, W, 27, 0xbf597fc7);
RNDr(S, W, 28, 0xc6e00bf3);
RNDr(S, W, 29, 0xd5a79147);
RNDr(S, W, 30, 0x06ca6351);
RNDr(S, W, 31, 0x14292967);
RNDr(S, W, 32, 0x27b70a85);
RNDr(S, W, 33, 0x2e1b2138);
RNDr(S, W, 34, 0x4d2c6dfc);
RNDr(S, W, 35, 0x53380d13);
RNDr(S, W, 36, 0x650a7354);
RNDr(S, W, 37, 0x766a0abb);
RNDr(S, W, 38, 0x81c2c92e);
RNDr(S, W, 39, 0x92722c85);
RNDr(S, W, 40, 0xa2bfe8a1);
RNDr(S, W, 41, 0xa81a664b);
RNDr(S, W, 42, 0xc24b8b70);
RNDr(S, W, 43, 0xc76c51a3);
RNDr(S, W, 44, 0xd192e819);
RNDr(S, W, 45, 0xd6990624);
RNDr(S, W, 46, 0xf40e3585);
RNDr(S, W, 47, 0x106aa070);
RNDr(S, W, 48, 0x19a4c116);
RNDr(S, W, 49, 0x1e376c08);
RNDr(S, W, 50, 0x2748774c);
RNDr(S, W, 51, 0x34b0bcb5);
RNDr(S, W, 52, 0x391c0cb3);
RNDr(S, W, 53, 0x4ed8aa4a);
RNDr(S, W, 54, 0x5b9cca4f);
RNDr(S, W, 55, 0x682e6ff3);
RNDr(S, W, 56, 0x748f82ee);
RNDr(S, W, 57, 0x78a5636f);
RNDr(S, W, 58, 0x84c87814);
RNDr(S, W, 59, 0x8cc70208);
RNDr(S, W, 60, 0x90befffa);
RNDr(S, W, 61, 0xa4506ceb);
RNDr(S, W, 62, 0xbef9a3f7);
RNDr(S, W, 63, 0xc67178f2);
/* 4. Mix local working variables into global state */
for (i = 0; i < 8; i++)
state[i] += S[i];
/* Clean the stack. */
memset(W, 0, 256);
memset(S, 0, 32);
t0 = t1 = 0;
}
static unsigned char PAD[64] = {
0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
/* SHA-256 initialization. Begins a SHA-256 operation. */
static void
SHA256_Init(SHA256_CTX * ctx)
{
/* Zero bits processed so far */
ctx->count[0] = ctx->count[1] = 0;
/* Magic initialization constants */
ctx->state[0] = 0x6A09E667;
ctx->state[1] = 0xBB67AE85;
ctx->state[2] = 0x3C6EF372;
ctx->state[3] = 0xA54FF53A;
ctx->state[4] = 0x510E527F;
ctx->state[5] = 0x9B05688C;
ctx->state[6] = 0x1F83D9AB;
ctx->state[7] = 0x5BE0CD19;
}
/* Add bytes into the hash */
static void
SHA256_Update(SHA256_CTX * ctx, const void *in, size_t len)
{
uint32_t bitlen[2];
uint32_t r;
const unsigned char *src = in;
/* Number of bytes left in the buffer from previous updates */
r = (ctx->count[1] >> 3) & 0x3f;
/* Convert the length into a number of bits */
bitlen[1] = ((uint32_t)len) << 3;
bitlen[0] = (uint32_t)(len >> 29);
/* Update number of bits */
if ((ctx->count[1] += bitlen[1]) < bitlen[1])
ctx->count[0]++;
ctx->count[0] += bitlen[0];
/* Handle the case where we don't need to perform any transforms */
if (len < 64 - r) {
memcpy(&ctx->buf[r], src, len);
return;
}
/* Finish the current block */
memcpy(&ctx->buf[r], src, 64 - r);
SHA256_Transform(ctx->state, ctx->buf);
src += 64 - r;
len -= 64 - r;
/* Perform complete blocks */
while (len >= 64) {
SHA256_Transform(ctx->state, src);
src += 64;
len -= 64;
}
/* Copy left over data into buffer */
memcpy(ctx->buf, src, len);
}
/* Add padding and terminating bit-count. */
static void
SHA256_Pad(SHA256_CTX * ctx)
{
unsigned char len[8];
uint32_t r, plen;
/*
* Convert length to a vector of bytes -- we do this now rather
* than later because the length will change after we pad.
*/
be32enc_vect(len, ctx->count, 8);
/* Add 1--64 bytes so that the resulting length is 56 mod 64 */
r = (ctx->count[1] >> 3) & 0x3f;
plen = (r < 56) ? (56 - r) : (120 - r);
SHA256_Update(ctx, PAD, (size_t)plen);
/* Add the terminating bit-count */
SHA256_Update(ctx, len, 8);
}
/*
* SHA-256 finalization. Pads the input data, exports the hash value,
* and clears the context state.
*/
static void
SHA256_Final(unsigned char digest[32], SHA256_CTX * ctx)
{
/* Add padding */
SHA256_Pad(ctx);
/* Write the hash */
be32enc_vect(digest, ctx->state, 32);
/* Clear the context state */
memset((void *)ctx, 0, sizeof(*ctx));
}
/* Initialize an HMAC-SHA256 operation with the given key. */
static void
HMAC_SHA256_Init(HMAC_SHA256_CTX * ctx, const void * _K, size_t Klen)
{
unsigned char pad[64];
unsigned char khash[32];
const unsigned char * K = _K;
size_t i;
/* If Klen > 64, the key is really SHA256(K). */
if (Klen > 64) {
SHA256_Init(&ctx->ictx);
SHA256_Update(&ctx->ictx, K, Klen);
SHA256_Final(khash, &ctx->ictx);
K = khash;
Klen = 32;
}
/* Inner SHA256 operation is SHA256(K xor [block of 0x36] || data). */
SHA256_Init(&ctx->ictx);
memset(pad, 0x36, 64);
for (i = 0; i < Klen; i++)
pad[i] ^= K[i];
SHA256_Update(&ctx->ictx, pad, 64);
/* Outer SHA256 operation is SHA256(K xor [block of 0x5c] || hash). */
SHA256_Init(&ctx->octx);
memset(pad, 0x5c, 64);
for (i = 0; i < Klen; i++)
pad[i] ^= K[i];
SHA256_Update(&ctx->octx, pad, 64);
/* Clean the stack. */
memset(khash, 0, 32);
}
/* Add bytes to the HMAC-SHA256 operation. */
static void
HMAC_SHA256_Update(HMAC_SHA256_CTX * ctx, const void *in, size_t len)
{
/* Feed data to the inner SHA256 operation. */
SHA256_Update(&ctx->ictx, in, len);
}
/* Finish an HMAC-SHA256 operation. */
static void
HMAC_SHA256_Final(unsigned char digest[32], HMAC_SHA256_CTX * ctx)
{
unsigned char ihash[32];
/* Finish the inner SHA256 operation. */
SHA256_Final(ihash, &ctx->ictx);
/* Feed the inner hash to the outer SHA256 operation. */
SHA256_Update(&ctx->octx, ihash, 32);
/* Finish the outer SHA256 operation. */
SHA256_Final(digest, &ctx->octx);
/* Clean the stack. */
memset(ihash, 0, 32);
}
/**
* PBKDF2_SHA256(passwd, passwdlen, salt, saltlen, c, buf, dkLen):
* Compute PBKDF2(passwd, salt, c, dkLen) using HMAC-SHA256 as the PRF, and
* write the output to buf. The value dkLen must be at most 32 * (2^32 - 1).
*/
static void
PBKDF2_SHA256(const uint8_t * passwd, size_t passwdlen, const uint8_t * salt,
size_t saltlen, uint64_t c, uint8_t * buf, size_t dkLen)
{
HMAC_SHA256_CTX PShctx, hctx;
size_t i;
uint8_t ivec[4];
uint8_t U[32];
uint8_t T[32];
uint64_t j;
int k;
size_t clen;
/* Compute HMAC state after processing P and S. */
HMAC_SHA256_Init(&PShctx, passwd, passwdlen);
HMAC_SHA256_Update(&PShctx, salt, saltlen);
/* Iterate through the blocks. */
for (i = 0; i * 32 < dkLen; i++) {
/* Generate INT(i + 1). */
be32enc(ivec, (uint32_t)(i + 1));
/* Compute U_1 = PRF(P, S || INT(i)). */
memcpy(&hctx, &PShctx, sizeof(HMAC_SHA256_CTX));
HMAC_SHA256_Update(&hctx, ivec, 4);
HMAC_SHA256_Final(U, &hctx);
/* T_i = U_1 ... */
memcpy(T, U, 32);
for (j = 2; j <= c; j++) {
/* Compute U_j. */
HMAC_SHA256_Init(&hctx, passwd, passwdlen);
HMAC_SHA256_Update(&hctx, U, 32);
HMAC_SHA256_Final(U, &hctx);
/* ... xor U_j ... */
for (k = 0; k < 32; k++)
T[k] ^= U[k];
}
/* Copy as many bytes as necessary into buf. */
clen = dkLen - i * 32;
if (clen > 32)
clen = 32;
memcpy(&buf[i * 32], T, clen);
}
/* Clean PShctx, since we never called _Final on it. */
memset(&PShctx, 0, sizeof(HMAC_SHA256_CTX));
}
#include "sha256.h"
static void blkcpy(void *, void *, size_t);
@ -651,7 +223,7 @@ smix(uint8_t * B, size_t r, uint64_t N, uint32_t * V, uint32_t * XY)
/* cpu and memory intensive function to transform a 80 byte buffer into a 32 byte output
scratchpad size needs to be at least 63 + (128 * r * p) + (256 * r + 64) + (128 * r * N) bytes
*/
void scrypt_1024_1_1_256_sp(const char* input, char* output, char* scratchpad)
void scrypt_1024_1_1_256_sp(const char* input, char* output, char* scratchpad, uint32_t len)
{
uint8_t * B;
uint32_t * V;
@ -667,7 +239,7 @@ void scrypt_1024_1_1_256_sp(const char* input, char* output, char* scratchpad)
V = (uint32_t *)(B + (128 * r * p) + (256 * r + 64));
/* 1: (B_0 ... B_{p-1}) <-- PBKDF2(P, S, 1, p * MFLen) */
PBKDF2_SHA256((const uint8_t*)input, 80, (const uint8_t*)input, 80, 1, B, p * 128 * r);
PBKDF2_SHA256((const uint8_t*)input, len, (const uint8_t*)input, len, 1, B, p * 128 * r);
/* 2: for i = 0 to p - 1 do */
for (i = 0; i < p; i++) {
@ -676,11 +248,11 @@ void scrypt_1024_1_1_256_sp(const char* input, char* output, char* scratchpad)
}
/* 5: DK <-- PBKDF2(P, B, 1, dkLen) */
PBKDF2_SHA256((const uint8_t*)input, 80, B, p * 128 * r, 1, (uint8_t*)output, 32);
PBKDF2_SHA256((const uint8_t*)input, len, B, p * 128 * r, 1, (uint8_t*)output, 32);
}
void scrypt_1024_1_1_256(const char* input, char* output)
void scrypt_1024_1_1_256(const char* input, char* output, uint32_t len)
{
char scratchpad[131583];
scrypt_1024_1_1_256_sp(input, output, scratchpad);
scrypt_1024_1_1_256_sp(input, output, scratchpad, len);
}

6
scrypt.h
View File

@ -1,8 +1,10 @@
#ifndef SCRYPT_H
#define SCRYPT_H
void scrypt_1024_1_1_256(const char* input, char* output);
void scrypt_1024_1_1_256_sp(const char* input, char* output, char* scratchpad);
#include <stdint.h>
void scrypt_1024_1_1_256(const char* input, char* output, uint32_t len);
void scrypt_1024_1_1_256_sp(const char* input, char* output, char* scratchpad, uint32_t len);
#define scrypt_scratchpad_size 131583;
#endif

41
scryptjane.c
View File

@ -180,3 +180,44 @@ scrypt(const uint8_t *password, size_t password_len, const uint8_t *salt, size_t
scrypt_free(&V);
scrypt_free(&YX);
}
#define max(a,b) (((a) > (b)) ? (a) : (b))
#define min(a,b) (((a) < (b)) ? (a) : (b))
unsigned char GetNfactorJane(int nTimestamp, int nChainStartTime, int nMin, int nMax) {
const unsigned char minNfactor = nMin;//4;
const unsigned char maxNfactor = nMax;//30;
int l = 0, s, n;
unsigned char N;
if (nTimestamp <= nChainStartTime)
return 4;
s = nTimestamp - nChainStartTime;
while ((s >> 1) > 3) {
l += 1;
s >>= 1;
}
s &= 3;
n = (l * 170 + s * 25 - 2320) / 100;
if (n < 0) n = 0;
if (n > 255)
printf("GetNfactor(%d) - something wrong(n == %d)\n", nTimestamp, n);
N = (unsigned char)n;
//printf("GetNfactor: %d -> %d %d : %d / %d\n", nTimestamp - nChainStartTime, l, s, n, min(max(N, minNfactor), maxNfactor));
return min(max(N, minNfactor), maxNfactor);
}
void scryptjane_hash(const void* input, size_t inputlen, uint32_t *res, unsigned char Nfactor)
{
return scrypt((const unsigned char*)input, inputlen,
(const unsigned char*)input, inputlen,
Nfactor, 0, 0, (unsigned char*)res, 32);
}

4
scryptjane.h
View File

@ -1,6 +1,7 @@
#ifndef SCRYPT_JANE_H
#define SCRYPT_JANE_H
#include <stdint.h>
#define SCRYPT_KECCAK512
#define SCRYPT_CHACHA
@ -29,4 +30,7 @@ void scrypt_set_fatal_error(scrypt_fatal_errorfn fn);
void scrypt(const unsigned char *password, size_t password_len, const unsigned char *salt, size_t salt_len, unsigned char Nfactor, unsigned char rfactor, unsigned char pfactor, unsigned char *out, size_t bytes);
unsigned char GetNfactorJane(int nTimestamp, int nChainStartTime, int nMin, int nMax);
void scryptjane_hash(const void* input, size_t inputlen, uint32_t *res, unsigned char Nfactor);
#endif /* SCRYPT_JANE_H */

441
scryptn.c
View File

@ -32,436 +32,7 @@
#include <string.h>
#include "scryptn.h"
static __inline uint32_t
be32dec(const void *pp)
{
const uint8_t *p = (uint8_t const *)pp;
return ((uint32_t)(p[3]) + ((uint32_t)(p[2]) << 8) +
((uint32_t)(p[1]) << 16) + ((uint32_t)(p[0]) << 24));
}
static __inline void
be32enc(void *pp, uint32_t x)
{
uint8_t * p = (uint8_t *)pp;
p[3] = x & 0xff;
p[2] = (x >> 8) & 0xff;
p[1] = (x >> 16) & 0xff;
p[0] = (x >> 24) & 0xff;
}
static __inline uint32_t
le32dec(const void *pp)
{
const uint8_t *p = (uint8_t const *)pp;
return ((uint32_t)(p[0]) + ((uint32_t)(p[1]) << 8) +
((uint32_t)(p[2]) << 16) + ((uint32_t)(p[3]) << 24));
}
static __inline void
le32enc(void *pp, uint32_t x)
{
uint8_t * p = (uint8_t *)pp;
p[0] = x & 0xff;
p[1] = (x >> 8) & 0xff;
p[2] = (x >> 16) & 0xff;
p[3] = (x >> 24) & 0xff;
}
typedef struct SHA256Context {
uint32_t state[8];
uint32_t count[2];
unsigned char buf[64];
} SHA256_CTX;
typedef struct HMAC_SHA256Context {
SHA256_CTX ictx;
SHA256_CTX octx;
} HMAC_SHA256_CTX;
/*
* Encode a length len/4 vector of (uint32_t) into a length len vector of
* (unsigned char) in big-endian form. Assumes len is a multiple of 4.
*/
static void
be32enc_vect(unsigned char *dst, const uint32_t *src, size_t len)
{
size_t i;
for (i = 0; i < len / 4; i++)
be32enc(dst + i * 4, src[i]);
}
/*
* Decode a big-endian length len vector of (unsigned char) into a length
* len/4 vector of (uint32_t). Assumes len is a multiple of 4.
*/
static void
be32dec_vect(uint32_t *dst, const unsigned char *src, size_t len)
{
size_t i;
for (i = 0; i < len / 4; i++)
dst[i] = be32dec(src + i * 4);
}
/* Elementary functions used by SHA256 */
#define Ch(x, y, z) ((x & (y ^ z)) ^ z)
#define Maj(x, y, z) ((x & (y | z)) | (y & z))
#define SHR(x, n) (x >> n)
#define ROTR(x, n) ((x >> n) | (x << (32 - n)))
#define S0(x) (ROTR(x, 2) ^ ROTR(x, 13) ^ ROTR(x, 22))
#define S1(x) (ROTR(x, 6) ^ ROTR(x, 11) ^ ROTR(x, 25))
#define s0(x) (ROTR(x, 7) ^ ROTR(x, 18) ^ SHR(x, 3))
#define s1(x) (ROTR(x, 17) ^ ROTR(x, 19) ^ SHR(x, 10))
/* SHA256 round function */
#define RND(a, b, c, d, e, f, g, h, k) \
t0 = h + S1(e) + Ch(e, f, g) + k; \
t1 = S0(a) + Maj(a, b, c); \
d += t0; \
h = t0 + t1;
/* Adjusted round function for rotating state */
#define RNDr(S, W, i, k) \
RND(S[(64 - i) % 8], S[(65 - i) % 8], \
S[(66 - i) % 8], S[(67 - i) % 8], \
S[(68 - i) % 8], S[(69 - i) % 8], \
S[(70 - i) % 8], S[(71 - i) % 8], \
W[i] + k)
/*
* SHA256 block compression function. The 256-bit state is transformed via
* the 512-bit input block to produce a new state.
*/
static void
SHA256_Transform(uint32_t * state, const unsigned char block[64])
{
uint32_t W[64];
uint32_t S[8];
uint32_t t0, t1;
int i;
/* 1. Prepare message schedule W. */
be32dec_vect(W, block, 64);
for (i = 16; i < 64; i++)
W[i] = s1(W[i - 2]) + W[i - 7] + s0(W[i - 15]) + W[i - 16];
/* 2. Initialize working variables. */
memcpy(S, state, 32);
/* 3. Mix. */
RNDr(S, W, 0, 0x428a2f98);
RNDr(S, W, 1, 0x71374491);
RNDr(S, W, 2, 0xb5c0fbcf);
RNDr(S, W, 3, 0xe9b5dba5);
RNDr(S, W, 4, 0x3956c25b);
RNDr(S, W, 5, 0x59f111f1);
RNDr(S, W, 6, 0x923f82a4);
RNDr(S, W, 7, 0xab1c5ed5);
RNDr(S, W, 8, 0xd807aa98);
RNDr(S, W, 9, 0x12835b01);
RNDr(S, W, 10, 0x243185be);
RNDr(S, W, 11, 0x550c7dc3);
RNDr(S, W, 12, 0x72be5d74);
RNDr(S, W, 13, 0x80deb1fe);
RNDr(S, W, 14, 0x9bdc06a7);
RNDr(S, W, 15, 0xc19bf174);
RNDr(S, W, 16, 0xe49b69c1);
RNDr(S, W, 17, 0xefbe4786);
RNDr(S, W, 18, 0x0fc19dc6);
RNDr(S, W, 19, 0x240ca1cc);
RNDr(S, W, 20, 0x2de92c6f);
RNDr(S, W, 21, 0x4a7484aa);
RNDr(S, W, 22, 0x5cb0a9dc);
RNDr(S, W, 23, 0x76f988da);
RNDr(S, W, 24, 0x983e5152);
RNDr(S, W, 25, 0xa831c66d);
RNDr(S, W, 26, 0xb00327c8);
RNDr(S, W, 27, 0xbf597fc7);
RNDr(S, W, 28, 0xc6e00bf3);
RNDr(S, W, 29, 0xd5a79147);
RNDr(S, W, 30, 0x06ca6351);
RNDr(S, W, 31, 0x14292967);
RNDr(S, W, 32, 0x27b70a85);
RNDr(S, W, 33, 0x2e1b2138);
RNDr(S, W, 34, 0x4d2c6dfc);
RNDr(S, W, 35, 0x53380d13);
RNDr(S, W, 36, 0x650a7354);
RNDr(S, W, 37, 0x766a0abb);
RNDr(S, W, 38, 0x81c2c92e);
RNDr(S, W, 39, 0x92722c85);
RNDr(S, W, 40, 0xa2bfe8a1);
RNDr(S, W, 41, 0xa81a664b);
RNDr(S, W, 42, 0xc24b8b70);
RNDr(S, W, 43, 0xc76c51a3);
RNDr(S, W, 44, 0xd192e819);
RNDr(S, W, 45, 0xd6990624);
RNDr(S, W, 46, 0xf40e3585);
RNDr(S, W, 47, 0x106aa070);
RNDr(S, W, 48, 0x19a4c116);
RNDr(S, W, 49, 0x1e376c08);
RNDr(S, W, 50, 0x2748774c);
RNDr(S, W, 51, 0x34b0bcb5);
RNDr(S, W, 52, 0x391c0cb3);
RNDr(S, W, 53, 0x4ed8aa4a);
RNDr(S, W, 54, 0x5b9cca4f);
RNDr(S, W, 55, 0x682e6ff3);
RNDr(S, W, 56, 0x748f82ee);
RNDr(S, W, 57, 0x78a5636f);
RNDr(S, W, 58, 0x84c87814);
RNDr(S, W, 59, 0x8cc70208);
RNDr(S, W, 60, 0x90befffa);
RNDr(S, W, 61, 0xa4506ceb);
RNDr(S, W, 62, 0xbef9a3f7);
RNDr(S, W, 63, 0xc67178f2);
/* 4. Mix local working variables into global state */
for (i = 0; i < 8; i++)
state[i] += S[i];
/* Clean the stack. */
memset(W, 0, 256);
memset(S, 0, 32);
t0 = t1 = 0;
}
static unsigned char PAD[64] = {
0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
/* SHA-256 initialization. Begins a SHA-256 operation. */
static void
SHA256_Init(SHA256_CTX * ctx)
{
/* Zero bits processed so far */
ctx->count[0] = ctx->count[1] = 0;
/* Magic initialization constants */
ctx->state[0] = 0x6A09E667;
ctx->state[1] = 0xBB67AE85;
ctx->state[2] = 0x3C6EF372;
ctx->state[3] = 0xA54FF53A;
ctx->state[4] = 0x510E527F;
ctx->state[5] = 0x9B05688C;
ctx->state[6] = 0x1F83D9AB;
ctx->state[7] = 0x5BE0CD19;
}
/* Add bytes into the hash */
static void
SHA256_Update(SHA256_CTX * ctx, const void *in, size_t len)
{
uint32_t bitlen[2];
uint32_t r;
const unsigned char *src = in;
/* Number of bytes left in the buffer from previous updates */
r = (ctx->count[1] >> 3) & 0x3f;
/* Convert the length into a number of bits */
bitlen[1] = ((uint32_t)len) << 3;
bitlen[0] = (uint32_t)(len >> 29);
/* Update number of bits */
if ((ctx->count[1] += bitlen[1]) < bitlen[1])
ctx->count[0]++;
ctx->count[0] += bitlen[0];
/* Handle the case where we don't need to perform any transforms */
if (len < 64 - r) {
memcpy(&ctx->buf[r], src, len);
return;
}
/* Finish the current block */
memcpy(&ctx->buf[r], src, 64 - r);
SHA256_Transform(ctx->state, ctx->buf);
src += 64 - r;
len -= 64 - r;
/* Perform complete blocks */
while (len >= 64) {
SHA256_Transform(ctx->state, src);
src += 64;
len -= 64;
}
/* Copy left over data into buffer */
memcpy(ctx->buf, src, len);
}
/* Add padding and terminating bit-count. */
static void
SHA256_Pad(SHA256_CTX * ctx)
{
unsigned char len[8];
uint32_t r, plen;
/*
* Convert length to a vector of bytes -- we do this now rather
* than later because the length will change after we pad.
*/
be32enc_vect(len, ctx->count, 8);
/* Add 1--64 bytes so that the resulting length is 56 mod 64 */
r = (ctx->count[1] >> 3) & 0x3f;
plen = (r < 56) ? (56 - r) : (120 - r);
SHA256_Update(ctx, PAD, (size_t)plen);
/* Add the terminating bit-count */
SHA256_Update(ctx, len, 8);
}
/*
* SHA-256 finalization. Pads the input data, exports the hash value,
* and clears the context state.
*/
static void
SHA256_Final(unsigned char digest[32], SHA256_CTX * ctx)
{
/* Add padding */
SHA256_Pad(ctx);
/* Write the hash */
be32enc_vect(digest, ctx->state, 32);
/* Clear the context state */
memset((void *)ctx, 0, sizeof(*ctx));
}
/* Initialize an HMAC-SHA256 operation with the given key. */
static void
HMAC_SHA256_Init(HMAC_SHA256_CTX * ctx, const void * _K, size_t Klen)
{
unsigned char pad[64];
unsigned char khash[32];
const unsigned char * K = _K;
size_t i;
/* If Klen > 64, the key is really SHA256(K). */
if (Klen > 64) {
SHA256_Init(&ctx->ictx);
SHA256_Update(&ctx->ictx, K, Klen);
SHA256_Final(khash, &ctx->ictx);
K = khash;
Klen = 32;
}
/* Inner SHA256 operation is SHA256(K xor [block of 0x36] || data). */
SHA256_Init(&ctx->ictx);
memset(pad, 0x36, 64);
for (i = 0; i < Klen; i++)
pad[i] ^= K[i];
SHA256_Update(&ctx->ictx, pad, 64);
/* Outer SHA256 operation is SHA256(K xor [block of 0x5c] || hash). */
SHA256_Init(&ctx->octx);
memset(pad, 0x5c, 64);
for (i = 0; i < Klen; i++)
pad[i] ^= K[i];
SHA256_Update(&ctx->octx, pad, 64);
/* Clean the stack. */
memset(khash, 0, 32);
}
/* Add bytes to the HMAC-SHA256 operation. */
static void
HMAC_SHA256_Update(HMAC_SHA256_CTX * ctx, const void *in, size_t len)
{
/* Feed data to the inner SHA256 operation. */
SHA256_Update(&ctx->ictx, in, len);
}
/* Finish an HMAC-SHA256 operation. */
static void
HMAC_SHA256_Final(unsigned char digest[32], HMAC_SHA256_CTX * ctx)
{
unsigned char ihash[32];
/* Finish the inner SHA256 operation. */
SHA256_Final(ihash, &ctx->ictx);
/* Feed the inner hash to the outer SHA256 operation. */
SHA256_Update(&ctx->octx, ihash, 32);
/* Finish the outer SHA256 operation. */
SHA256_Final(digest, &ctx->octx);
/* Clean the stack. */
memset(ihash, 0, 32);
}
/**
* PBKDF2_SHA256(passwd, passwdlen, salt, saltlen, c, buf, dkLen):
* Compute PBKDF2(passwd, salt, c, dkLen) using HMAC-SHA256 as the PRF, and
* write the output to buf. The value dkLen must be at most 32 * (2^32 - 1).
*/
static void
PBKDF2_SHA256(const uint8_t * passwd, size_t passwdlen, const uint8_t * salt,
size_t saltlen, uint64_t c, uint8_t * buf, size_t dkLen)
{
HMAC_SHA256_CTX PShctx, hctx;
size_t i;
uint8_t ivec[4];
uint8_t U[32];
uint8_t T[32];
uint64_t j;
int k;
size_t clen;
/* Compute HMAC state after processing P and S. */
HMAC_SHA256_Init(&PShctx, passwd, passwdlen);
HMAC_SHA256_Update(&PShctx, salt, saltlen);
/* Iterate through the blocks. */
for (i = 0; i * 32 < dkLen; i++) {
/* Generate INT(i + 1). */
be32enc(ivec, (uint32_t)(i + 1));
/* Compute U_1 = PRF(P, S || INT(i)). */
memcpy(&hctx, &PShctx, sizeof(HMAC_SHA256_CTX));
HMAC_SHA256_Update(&hctx, ivec, 4);
HMAC_SHA256_Final(U, &hctx);
/* T_i = U_1 ... */
memcpy(T, U, 32);
for (j = 2; j <= c; j++) {
/* Compute U_j. */
HMAC_SHA256_Init(&hctx, passwd, passwdlen);
HMAC_SHA256_Update(&hctx, U, 32);
HMAC_SHA256_Final(U, &hctx);
/* ... xor U_j ... */
for (k = 0; k < 32; k++)
T[k] ^= U[k];
}
/* Copy as many bytes as necessary into buf. */
clen = dkLen - i * 32;
if (clen > 32)
clen = 32;
memcpy(&buf[i * 32], T, clen);
}
/* Clean PShctx, since we never called _Final on it. */
memset(&PShctx, 0, sizeof(HMAC_SHA256_CTX));
}
#include "sha256.h"
static void blkcpy(void *, void *, size_t);
static void blkxor(void *, void *, size_t);
@ -646,7 +217,7 @@ smix(uint8_t * B, size_t r, uint64_t N, uint32_t * V, uint32_t * XY)
/* cpu and memory intensive function to transform a 80 byte buffer into a 32 byte output
scratchpad size needs to be at least 63 + (128 * r * p) + (256 * r + 64) + (128 * r * N) bytes
*/
void scrypt_N_1_1_256_sp(const char* input, char* output, char* scratchpad, uint32_t N)
void scrypt_N_1_1_256_sp(const char* input, char* output, char* scratchpad, uint32_t N, uint32_t len)
{
uint8_t * B;
uint32_t * V;
@ -662,7 +233,7 @@ void scrypt_N_1_1_256_sp(const char* input, char* output, char* scratchpad, uint
V = (uint32_t *)(B + (128 * r * p) + (256 * r + 64));
/* 1: (B_0 ... B_{p-1}) <-- PBKDF2(P, S, 1, p * MFLen) */
PBKDF2_SHA256((const uint8_t*)input, 80, (const uint8_t*)input, 80, 1, B, p * 128 * r);
PBKDF2_SHA256((const uint8_t*)input, len, (const uint8_t*)input, len, 1, B, p * 128 * r);
/* 2: for i = 0 to p - 1 do */
for (i = 0; i < p; i++) {
@ -671,17 +242,17 @@ void scrypt_N_1_1_256_sp(const char* input, char* output, char* scratchpad, uint
}
/* 5: DK <-- PBKDF2(P, B, 1, dkLen) */
PBKDF2_SHA256((const uint8_t*)input, 80, B, p * 128 * r, 1, (uint8_t*)output, 32);
PBKDF2_SHA256((const uint8_t*)input, len, B, p * 128 * r, 1, (uint8_t*)output, 32);
}
void scrypt_N_1_1_256(const char* input, char* output, uint32_t N)
void scrypt_N_1_1_256(const char* input, char* output, uint32_t N, uint32_t len)
{
//char scratchpad[131583];
char *scratchpad;
// align on 4 byte boundary
scratchpad = (char*)malloc(128*N + 512);
scrypt_N_1_1_256_sp(input, output, scratchpad, N);
scrypt_N_1_1_256_sp(input, output, scratchpad, N, len);
free(scratchpad);
}

4
scryptn.h
View File

@ -5,8 +5,8 @@
extern "C" {
#endif
void scrypt_N_1_1_256(const char* input, char* output, uint32_t N);
void scrypt_N_1_1_256_sp(const char* input, char* output, char* scratchpad, uint32_t N);
void scrypt_N_1_1_256(const char* input, char* output, uint32_t N, uint32_t len);
void scrypt_N_1_1_256_sp(const char* input, char* output, char* scratchpad, uint32_t N, uint32_t len);
//const int scrypt_scratchpad_size = 131583;
#ifdef __cplusplus

440
sha256.h 100644
View File

@ -0,0 +1,440 @@
#ifndef SHA256_H
#define SHA256_H
#if defined(WIN32) || defined(_WIN32) || defined(__WIN32) && !defined(__CYGWIN__)
#include "stdint.h"
#else
#include <stdint.h>
#endif
#include <string.h>
static __inline uint32_t
be32dec(const void *pp)
{
const uint8_t *p = (uint8_t const *)pp;
return ((uint32_t)(p[3]) + ((uint32_t)(p[2]) << 8) +
((uint32_t)(p[1]) << 16) + ((uint32_t)(p[0]) << 24));
}
static __inline void
be32enc(void *pp, uint32_t x)
{
uint8_t * p = (uint8_t *)pp;
p[3] = x & 0xff;
p[2] = (x >> 8) & 0xff;
p[1] = (x >> 16) & 0xff;
p[0] = (x >> 24) & 0xff;
}
static __inline uint32_t
le32dec(const void *pp)
{
const uint8_t *p = (uint8_t const *)pp;
return ((uint32_t)(p[0]) + ((uint32_t)(p[1]) << 8) +
((uint32_t)(p[2]) << 16) + ((uint32_t)(p[3]) << 24));
}
static __inline void
le32enc(void *pp, uint32_t x)
{
uint8_t * p = (uint8_t *)pp;
p[0] = x & 0xff;
p[1] = (x >> 8) & 0xff;
p[2] = (x >> 16) & 0xff;
p[3] = (x >> 24) & 0xff;
}
typedef struct SHA256Context {
uint32_t state[8];
uint32_t count[2];
unsigned char buf[64];
} SHA256_CTX;
typedef struct HMAC_SHA256Context {
SHA256_CTX ictx;
SHA256_CTX octx;
} HMAC_SHA256_CTX;
/*
* Encode a length len/4 vector of (uint32_t) into a length len vector of
* (unsigned char) in big-endian form. Assumes len is a multiple of 4.
*/
static void
be32enc_vect(unsigned char *dst, const uint32_t *src, size_t len)
{
size_t i;
for (i = 0; i < len / 4; i++)
be32enc(dst + i * 4, src[i]);
}
/*
* Decode a big-endian length len vector of (unsigned char) into a length
* len/4 vector of (uint32_t). Assumes len is a multiple of 4.
*/
static void
be32dec_vect(uint32_t *dst, const unsigned char *src, size_t len)
{
size_t i;
for (i = 0; i < len / 4; i++)
dst[i] = be32dec(src + i * 4);
}
/* Elementary functions used by SHA256 */
#define Ch(x, y, z) ((x & (y ^ z)) ^ z)
#define Maj(x, y, z) ((x & (y | z)) | (y & z))
#define SHR(x, n) (x >> n)
#define ROTR(x, n) ((x >> n) | (x << (32 - n)))
#define S0(x) (ROTR(x, 2) ^ ROTR(x, 13) ^ ROTR(x, 22))
#define S1(x) (ROTR(x, 6) ^ ROTR(x, 11) ^ ROTR(x, 25))
#define s0(x) (ROTR(x, 7) ^ ROTR(x, 18) ^ SHR(x, 3))
#define s1(x) (ROTR(x, 17) ^ ROTR(x, 19) ^ SHR(x, 10))
/* SHA256 round function */
#define RND(a, b, c, d, e, f, g, h, k) \
t0 = h + S1(e) + Ch(e, f, g) + k; \
t1 = S0(a) + Maj(a, b, c); \
d += t0; \
h = t0 + t1;
/* Adjusted round function for rotating state */
#define RNDr(S, W, i, k) \
RND(S[(64 - i) % 8], S[(65 - i) % 8], \
S[(66 - i) % 8], S[(67 - i) % 8], \
S[(68 - i) % 8], S[(69 - i) % 8], \
S[(70 - i) % 8], S[(71 - i) % 8], \
W[i] + k)
/*
* SHA256 block compression function. The 256-bit state is transformed via
* the 512-bit input block to produce a new state.
*/
static void
SHA256_Transform(uint32_t * state, const unsigned char block[64])
{
uint32_t W[64];
uint32_t S[8];
uint32_t t0, t1;
int i;
/* 1. Prepare message schedule W. */
be32dec_vect(W, block, 64);
for (i = 16; i < 64; i++)
W[i] = s1(W[i - 2]) + W[i - 7] + s0(W[i - 15]) + W[i - 16];
/* 2. Initialize working variables. */
memcpy(S, state, 32);
/* 3. Mix. */
RNDr(S, W, 0, 0x428a2f98);
RNDr(S, W, 1, 0x71374491);
RNDr(S, W, 2, 0xb5c0fbcf);
RNDr(S, W, 3, 0xe9b5dba5);
RNDr(S, W, 4, 0x3956c25b);
RNDr(S, W, 5, 0x59f111f1);
RNDr(S, W, 6, 0x923f82a4);
RNDr(S, W, 7, 0xab1c5ed5);
RNDr(S, W, 8, 0xd807aa98);
RNDr(S, W, 9, 0x12835b01);
RNDr(S, W, 10, 0x243185be);
RNDr(S, W, 11, 0x550c7dc3);
RNDr(S, W, 12, 0x72be5d74);
RNDr(S, W, 13, 0x80deb1fe);
RNDr(S, W, 14, 0x9bdc06a7);
RNDr(S, W, 15, 0xc19bf174);
RNDr(S, W, 16, 0xe49b69c1);
RNDr(S, W, 17, 0xefbe4786);
RNDr(S, W, 18, 0x0fc19dc6);
RNDr(S, W, 19, 0x240ca1cc);
RNDr(S, W, 20, 0x2de92c6f);
RNDr(S, W, 21, 0x4a7484aa);
RNDr(S, W, 22, 0x5cb0a9dc);
RNDr(S, W, 23, 0x76f988da);
RNDr(S, W, 24, 0x983e5152);
RNDr(S, W, 25, 0xa831c66d);
RNDr(S, W, 26, 0xb00327c8);
RNDr(S, W, 27, 0xbf597fc7);
RNDr(S, W, 28, 0xc6e00bf3);
RNDr(S, W, 29, 0xd5a79147);
RNDr(S, W, 30, 0x06ca6351);
RNDr(S, W, 31, 0x14292967);
RNDr(S, W, 32, 0x27b70a85);
RNDr(S, W, 33, 0x2e1b2138);
RNDr(S, W, 34, 0x4d2c6dfc);
RNDr(S, W, 35, 0x53380d13);
RNDr(S, W, 36, 0x650a7354);
RNDr(S, W, 37, 0x766a0abb);
RNDr(S, W, 38, 0x81c2c92e);
RNDr(S, W, 39, 0x92722c85);
RNDr(S, W, 40, 0xa2bfe8a1);
RNDr(S, W, 41, 0xa81a664b);
RNDr(S, W, 42, 0xc24b8b70);
RNDr(S, W, 43, 0xc76c51a3);
RNDr(S, W, 44, 0xd192e819);
RNDr(S, W, 45, 0xd6990624);
RNDr(S, W, 46, 0xf40e3585);
RNDr(S, W, 47, 0x106aa070);
RNDr(S, W, 48, 0x19a4c116);
RNDr(S, W, 49, 0x1e376c08);
RNDr(S, W, 50, 0x2748774c);
RNDr(S, W, 51, 0x34b0bcb5);
RNDr(S, W, 52, 0x391c0cb3);
RNDr(S, W, 53, 0x4ed8aa4a);
RNDr(S, W, 54, 0x5b9cca4f);
RNDr(S, W, 55, 0x682e6ff3);
RNDr(S, W, 56, 0x748f82ee);
RNDr(S, W, 57, 0x78a5636f);
RNDr(S, W, 58, 0x84c87814);
RNDr(S, W, 59, 0x8cc70208);
RNDr(S, W, 60, 0x90befffa);
RNDr(S, W, 61, 0xa4506ceb);
RNDr(S, W, 62, 0xbef9a3f7);
RNDr(S, W, 63, 0xc67178f2);
/* 4. Mix local working variables into global state */
for (i = 0; i < 8; i++)
state[i] += S[i];
/* Clean the stack. */
memset(W, 0, 256);
memset(S, 0, 32);
t0 = t1 = 0;
}
static unsigned char PAD[64] = {
0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
/* SHA-256 initialization. Begins a SHA-256 operation. */
static void
SHA256_Init(SHA256_CTX * ctx)
{
/* Zero bits processed so far */
ctx->count[0] = ctx->count[1] = 0;
/* Magic initialization constants */
ctx->state[0] = 0x6A09E667;
ctx->state[1] = 0xBB67AE85;
ctx->state[2] = 0x3C6EF372;
ctx->state[3] = 0xA54FF53A;
ctx->state[4] = 0x510E527F;
ctx->state[5] = 0x9B05688C;
ctx->state[6] = 0x1F83D9AB;
ctx->state[7] = 0x5BE0CD19;
}
/* Add bytes into the hash */
static void
SHA256_Update(SHA256_CTX * ctx, const void *in, size_t len)
{
uint32_t bitlen[2];
uint32_t r;
const unsigned char *src = in;
/* Number of bytes left in the buffer from previous updates */
r = (ctx->count[1] >> 3) & 0x3f;
/* Convert the length into a number of bits */
bitlen[1] = ((uint32_t)len) << 3;
bitlen[0] = (uint32_t)(len >> 29);
/* Update number of bits */
if ((ctx->count[1] += bitlen[1]) < bitlen[1])
ctx->count[0]++;
ctx->count[0] += bitlen[0];
/* Handle the case where we don't need to perform any transforms */
if (len < 64 - r) {
memcpy(&ctx->buf[r], src, len);
return;
}
/* Finish the current block */
memcpy(&ctx->buf[r], src, 64 - r);
SHA256_Transform(ctx->state, ctx->buf);
src += 64 - r;
len -= 64 - r;
/* Perform complete blocks */
while (len >= 64) {
SHA256_Transform(ctx->state, src);
src += 64;
len -= 64;
}
/* Copy left over data into buffer */
memcpy(ctx->buf, src, len);
}
/* Add padding and terminating bit-count. */
static void
SHA256_Pad(SHA256_CTX * ctx)
{
unsigned char len[8];
uint32_t r, plen;
/*
* Convert length to a vector of bytes -- we do this now rather
* than later because the length will change after we pad.
*/
be32enc_vect(len, ctx->count, 8);
/* Add 1--64 bytes so that the resulting length is 56 mod 64 */
r = (ctx->count[1] >> 3) & 0x3f;
plen = (r < 56) ? (56 - r) : (120 - r);
SHA256_Update(ctx, PAD, (size_t)plen);
/* Add the terminating bit-count */
SHA256_Update(ctx, len, 8);
}
/*
* SHA-256 finalization. Pads the input data, exports the hash value,
* and clears the context state.
*/
static void
SHA256_Final(unsigned char digest[32], SHA256_CTX * ctx)
{
/* Add padding */
SHA256_Pad(ctx);
/* Write the hash */
be32enc_vect(digest, ctx->state, 32);
/* Clear the context state */
memset((void *)ctx, 0, sizeof(*ctx));
}
/* Initialize an HMAC-SHA256 operation with the given key. */
static void
HMAC_SHA256_Init(HMAC_SHA256_CTX * ctx, const void * _K, size_t Klen)
{
unsigned char pad[64];
unsigned char khash[32];
const unsigned char * K = _K;
size_t i;
/* If Klen > 64, the key is really SHA256(K). */
if (Klen > 64) {
SHA256_Init(&ctx->ictx);
SHA256_Update(&ctx->ictx, K, Klen);
SHA256_Final(khash, &ctx->ictx);
K = khash;
Klen = 32;
}
/* Inner SHA256 operation is SHA256(K xor [block of 0x36] || data). */
SHA256_Init(&ctx->ictx);
memset(pad, 0x36, 64);
for (i = 0; i < Klen; i++)
pad[i] ^= K[i];
SHA256_Update(&ctx->ictx, pad, 64);
/* Outer SHA256 operation is SHA256(K xor [block of 0x5c] || hash). */
SHA256_Init(&ctx->octx);
memset(pad, 0x5c, 64);
for (i = 0; i < Klen; i++)
pad[i] ^= K[i];
SHA256_Update(&ctx->octx, pad, 64);
/* Clean the stack. */
memset(khash, 0, 32);
}
/* Add bytes to the HMAC-SHA256 operation. */
static void
HMAC_SHA256_Update(HMAC_SHA256_CTX * ctx, const void *in, size_t len)
{
/* Feed data to the inner SHA256 operation. */
SHA256_Update(&ctx->ictx, in, len);
}
/* Finish an HMAC-SHA256 operation. */
static void
HMAC_SHA256_Final(unsigned char digest[32], HMAC_SHA256_CTX * ctx)
{
unsigned char ihash[32];
/* Finish the inner SHA256 operation. */
SHA256_Final(ihash, &ctx->ictx);
/* Feed the inner hash to the outer SHA256 operation. */
SHA256_Update(&ctx->octx, ihash, 32);
/* Finish the outer SHA256 operation. */
SHA256_Final(digest, &ctx->octx);
/* Clean the stack. */
memset(ihash, 0, 32);
}
/**
* PBKDF2_SHA256(passwd, passwdlen, salt, saltlen, c, buf, dkLen):
* Compute PBKDF2(passwd, salt, c, dkLen) using HMAC-SHA256 as the PRF, and
* write the output to buf. The value dkLen must be at most 32 * (2^32 - 1).
*/
static void
PBKDF2_SHA256(const uint8_t * passwd, size_t passwdlen, const uint8_t * salt,
size_t saltlen, uint64_t c, uint8_t * buf, size_t dkLen)
{
HMAC_SHA256_CTX PShctx, hctx;
size_t i;
uint8_t ivec[4];
uint8_t U[32];
uint8_t T[32];
uint64_t j;
int k;
size_t clen;
/* Compute HMAC state after processing P and S. */
HMAC_SHA256_Init(&PShctx, passwd, passwdlen);
HMAC_SHA256_Update(&PShctx, salt, saltlen);
/* Iterate through the blocks. */
for (i = 0; i * 32 < dkLen; i++) {
/* Generate INT(i + 1). */
be32enc(ivec, (uint32_t)(i + 1));
/* Compute U_1 = PRF(P, S || INT(i)). */
memcpy(&hctx, &PShctx, sizeof(HMAC_SHA256_CTX));
HMAC_SHA256_Update(&hctx, ivec, 4);
HMAC_SHA256_Final(U, &hctx);
/* T_i = U_1 ... */
memcpy(T, U, 32);
for (j = 2; j <= c; j++) {
/* Compute U_j. */
HMAC_SHA256_Init(&hctx, passwd, passwdlen);
HMAC_SHA256_Update(&hctx, U, 32);
HMAC_SHA256_Final(U, &hctx);
/* ... xor U_j ... */
for (k = 0; k < 32; k++)
T[k] ^= U[k];
}
/* Copy as many bytes as necessary into buf. */
clen = dkLen - i * 32;
if (clen > 32)
clen = 32;
memcpy(&buf[i * 32], T, clen);
}
/* Clean PShctx, since we never called _Final on it. */
memset(&PShctx, 0, sizeof(HMAC_SHA256_CTX));
}
#endif

1208
sha3/sph_fugue.c 100644
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File diff suppressed because it is too large Load Diff

81
sha3/sph_fugue.h 100644
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@ -0,0 +1,81 @@
#ifndef SPH_FUGUE_H__
#define SPH_FUGUE_H__
#include <stddef.h>
#include "sph_types.h"
#ifdef __cplusplus
extern "C"{
#endif
#define SPH_SIZE_fugue224 224
#define SPH_SIZE_fugue256 256
#define SPH_SIZE_fugue384 384
#define SPH_SIZE_fugue512 512
typedef struct {
#ifndef DOXYGEN_IGNORE
sph_u32 partial;
unsigned partial_len;
unsigned round_shift;
sph_u32 S[36];
#if SPH_64
sph_u64 bit_count;
#else
sph_u32 bit_count_high, bit_count_low;
#endif
#endif
} sph_fugue_context;
typedef sph_fugue_context sph_fugue224_context;
typedef sph_fugue_context sph_fugue256_context;
typedef sph_fugue_context sph_fugue384_context;
typedef sph_fugue_context sph_fugue512_context;
void sph_fugue224_init(void *cc);
void sph_fugue224(void *cc, const void *data, size_t len);
void sph_fugue224_close(void *cc, void *dst);
void sph_fugue224_addbits_and_close(
void *cc, unsigned ub, unsigned n, void *dst);
void sph_fugue256_init(void *cc);
void sph_fugue256(void *cc, const void *data, size_t len);
void sph_fugue256_close(void *cc, void *dst);
void sph_fugue256_addbits_and_close(
void *cc, unsigned ub, unsigned n, void *dst);
void sph_fugue384_init(void *cc);
void sph_fugue384(void *cc, const void *data, size_t len);
void sph_fugue384_close(void *cc, void *dst);
void sph_fugue384_addbits_and_close(
void *cc, unsigned ub, unsigned n, void *dst);
void sph_fugue512_init(void *cc);
void sph_fugue512(void *cc, const void *data, size_t len);
void sph_fugue512_close(void *cc, void *dst);
void sph_fugue512_addbits_and_close(
void *cc, unsigned ub, unsigned n, void *dst);
#ifdef __cplusplus
}
#endif
#endif

4
sha3/sph_groestl.c
View File

@ -2813,7 +2813,6 @@ static void
groestl_small_close(sph_groestl_small_context *sc,
unsigned ub, unsigned n, void *dst, size_t out_len)
{
unsigned char *buf;
unsigned char pad[72];
size_t u, ptr, pad_len;
#if SPH_64
@ -2824,7 +2823,6 @@ groestl_small_close(sph_groestl_small_context *sc,
unsigned z;
DECL_STATE_SMALL
buf = sc->buf;
ptr = sc->ptr;
z = 0x80 >> n;
pad[0] = ((ub & -z) | z) & 0xFF;
@ -2949,7 +2947,6 @@ static void
groestl_big_close(sph_groestl_big_context *sc,
unsigned ub, unsigned n, void *dst, size_t out_len)
{
unsigned char *buf;
unsigned char pad[136];
size_t ptr, pad_len, u;
#if SPH_64
@ -2960,7 +2957,6 @@ groestl_big_close(sph_groestl_big_context *sc,
unsigned z;
DECL_STATE_BIG
buf = sc->buf;
ptr = sc->ptr;
z = 0x80 >> n;
pad[0] = ((ub & -z) | z) & 0xFF;

378
sha3/sph_hefty1.c 100644
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@ -0,0 +1,378 @@
/*
* HEFTY1 cryptographic hash function
*
* Copyright (c) 2014, dbcc14 <BM-NBx4AKznJuyem3dArgVY8MGyABpihRy5>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those
* of the authors and should not be interpreted as representing official policies,
* either expressed or implied, of the FreeBSD Project.
*/
#include <assert.h>
#include <string.h>
#include "sph_hefty1.h"
#define Min(A, B) (A <= B ? A : B)
#define RoundFunc(ctx, A, B, C, D, E, F, G, H, W, K) \
{ \
/* To thwart parallelism, Br modifies itself each time it's \
* called. This also means that calling it in different \
* orders yeilds different results. In C the order of \
* evaluation of function arguments and + operands are \
* unspecified (and depends on the compiler), so we must make \
* the order of Br calls explicit. \
*/ \
uint32_t brG = Br(ctx, G); \
uint32_t tmp1 = Ch(E, Br(ctx, F), brG) + H + W + K; \
uint32_t tmp2 = tmp1 + Sigma1(Br(ctx, E)); \
uint32_t brC = Br(ctx, C); \
uint32_t brB = Br(ctx, B); \
uint32_t tmp3 = Ma(Br(ctx, A), brB, brC); \
uint32_t tmp4 = tmp3 + Sigma0(Br(ctx, A)); \
H = G; \
G = F; \
F = E; \
E = D + Br(ctx, tmp2); \
D = C; \
C = B; \
B = A; \
A = tmp2 + tmp4; \
} \
/* Nothing up my sleeve constants */
const static uint32_t K[64] = {
0x428a2f98UL, 0x71374491UL, 0xb5c0fbcfUL, 0xe9b5dba5UL,
0x3956c25bUL, 0x59f111f1UL, 0x923f82a4UL, 0xab1c5ed5UL,
0xd807aa98UL, 0x12835b01UL, 0x243185beUL, 0x550c7dc3UL,
0x72be5d74UL, 0x80deb1feUL, 0x9bdc06a7UL, 0xc19bf174UL,
0xe49b69c1UL, 0xefbe4786UL, 0x0fc19dc6UL, 0x240ca1ccUL,
0x2de92c6fUL, 0x4a7484aaUL, 0x5cb0a9dcUL, 0x76f988daUL,
0x983e5152UL, 0xa831c66dUL, 0xb00327c8UL, 0xbf597fc7UL,
0xc6e00bf3UL, 0xd5a79147UL, 0x06ca6351UL, 0x14292967UL,
0x27b70a85UL, 0x2e1b2138UL, 0x4d2c6dfcUL, 0x53380d13UL,
0x650a7354UL, 0x766a0abbUL, 0x81c2c92eUL, 0x92722c85UL,
0xa2bfe8a1UL, 0xa81a664bUL, 0xc24b8b70UL, 0xc76c51a3UL,
0xd192e819UL, 0xd6990624UL, 0xf40e3585UL, 0x106aa070UL,
0x19a4c116UL, 0x1e376c08UL, 0x2748774cUL, 0x34b0bcb5UL,
0x391c0cb3UL, 0x4ed8aa4aUL, 0x5b9cca4fUL, 0x682e6ff3UL,
0x748f82eeUL, 0x78a5636fUL, 0x84c87814UL, 0x8cc70208UL,
0x90befffaUL, 0xa4506cebUL, 0xbef9a3f7UL, 0xc67178f2UL
};
/* Initial hash values */
const static uint32_t H[HEFTY1_STATE_WORDS] = {
0x6a09e667UL,
0xbb67ae85UL,
0x3c6ef372UL,
0xa54ff53aUL,
0x510e527fUL,
0x9b05688cUL,
0x1f83d9abUL,
0x5be0cd19UL
};
static inline uint32_t Rr(uint32_t X, uint8_t n)
{
return (X >> n) | (X << (32 - n));
}
static inline uint32_t Ch(uint32_t E, uint32_t F, uint32_t G)
{
return (E & F) ^ (~E & G);
}
static inline uint32_t Sigma1(uint32_t E)
{
return Rr(E, 6) ^ Rr(E, 11) ^ Rr(E, 25);
}
static inline uint32_t sigma1(uint32_t X)
{
return Rr(X, 17) ^ Rr(X, 19) ^ (X >> 10);
}
static inline uint32_t Ma(uint32_t A, uint32_t B, uint32_t C)
{
return (A & B) ^ (A & C) ^ (B & C);
}
static inline uint32_t Sigma0(uint32_t A)
{
return Rr(A, 2) ^ Rr(A, 13) ^ Rr(A, 22);
}
static inline uint32_t sigma0(uint32_t X)
{
return Rr(X, 7) ^ Rr(X, 18) ^ (X >> 3);
}
static inline uint32_t Reverse32(uint32_t n)
{
#if BYTE_ORDER == LITTLE_ENDIAN
return n << 24 | (n & 0x0000ff00) << 8 | (n & 0x00ff0000) >> 8 | n >> 24;
#else
return n;
#endif
}
static inline uint64_t Reverse64(uint64_t n)
{
#if BYTE_ORDER == LITTLE_ENDIAN
uint32_t a = n >> 32;
uint32_t b = (n << 32) >> 32;
return (uint64_t)Reverse32(b) << 32 | Reverse32(a);
#else
return n;
#endif
}
/* Smoosh byte into nibble */
static inline uint8_t Smoosh4(uint8_t X)
{
return (X >> 4) ^ (X & 0xf);
}
/* Smoosh 32-bit word into 2-bits */
static inline uint8_t Smoosh2(uint32_t X)
{
uint16_t w = (X >> 16) ^ (X & 0xffff);
uint8_t n = Smoosh4((w >> 8) ^ (w & 0xff));
return (n >> 2) ^ (n & 0x3);
}
static void Mangle(uint32_t *S)
{
uint32_t *R = S;
uint32_t *C = &S[1];
uint8_t r0 = Smoosh4(R[0] >> 24);
uint8_t r1 = Smoosh4(R[0] >> 16);
uint8_t r2 = Smoosh4(R[0] >> 8);
uint8_t r3 = Smoosh4(R[0] & 0xff);
int i;
/* Diffuse */
uint32_t tmp = 0;
for (i = 0; i < HEFTY1_SPONGE_WORDS - 1; i++) {
uint8_t r = Smoosh2(tmp);
switch (r) {
case 0:
C[i] ^= Rr(R[0], i + r0);
break;
case 1:
C[i] += Rr(~R[0], i + r1);
break;
case 2:
C[i] &= Rr(~R[0], i + r2);
break;
case 3:
C[i] ^= Rr(R[0], i + r3);
break;
}
tmp ^= C[i];
}
/* Compress */
tmp = 0;
for (i = 0; i < HEFTY1_SPONGE_WORDS - 1; i++)
if (i % 2)
tmp ^= C[i];
else
tmp += C[i];
R[0] ^= tmp;
}
static void Absorb(uint32_t *S, uint32_t X)
{
uint32_t *R = S;
R[0] ^= X;
Mangle(S);
}
static uint32_t Squeeze(uint32_t *S)
{
uint32_t Y = S[0];
Mangle(S);
return Y;
}
/* Branch, compress and serialize function */
static inline uint32_t Br(HEFTY1_CTX *ctx, uint32_t X)
{
uint32_t R = Squeeze(ctx->sponge);
uint8_t r0 = R >> 8;
uint8_t r1 = R & 0xff;
uint32_t Y = 1 << (r0 % 32);
switch (r1 % 4)
{
case 0:
/* Do nothing */
break;
case 1:
return X & ~Y;
case 2:
return X | Y;
case 3:
return X ^ Y;
}
return X;
}
static void HashBlock(HEFTY1_CTX *ctx)
{
uint32_t A, B, C, D, E, F, G, H;
uint32_t W[HEFTY1_BLOCK_BYTES];
assert(ctx);
A = ctx->h[0];
B = ctx->h[1];
C = ctx->h[2];
D = ctx->h[3];
E = ctx->h[4];
F = ctx->h[5];
G = ctx->h[6];
H = ctx->h[7];
int t = 0;
for (; t < 16; t++) {
W[t] = Reverse32(((uint32_t *)&ctx->block[0])[t]); /* To host byte order */
Absorb(ctx->sponge, W[t] ^ K[t]);
}
for (t = 0; t < 16; t++) {
Absorb(ctx->sponge, D ^ H);
RoundFunc(ctx, A, B, C, D, E, F, G, H, W[t], K[t]);
}
for (t = 16; t < 64; t++) {
Absorb(ctx->sponge, H + D);
W[t] = sigma1(W[t - 2]) + W[t - 7] + sigma0(W[t - 15]) + W[t - 16];
RoundFunc(ctx, A, B, C, D, E, F, G, H, W[t], K[t]);
}
ctx->h[0] += A;
ctx->h[1] += B;
ctx->h[2] += C;
ctx->h[3] += D;
ctx->h[4] += E;
ctx->h[5] += F;
ctx->h[6] += G;
ctx->h[7] += H;
A = 0;
B = 0;
C = 0;
D = 0;
E = 0;
F = 0;
G = 0;
H = 0;
memset(W, 0, sizeof(W));
}
/* Public interface */
void HEFTY1_Init(HEFTY1_CTX *ctx)
{
assert(ctx);
memcpy(ctx->h, H, sizeof(ctx->h));
memset(ctx->block, 0, sizeof(ctx->block));
ctx->written = 0;
memset(ctx->sponge, 0, sizeof(ctx->sponge));
}
void HEFTY1_Update(HEFTY1_CTX *ctx, const void *buf, size_t len)
{
assert(ctx);
uint64_t read = 0;
while (len) {
uint64_t end = ctx->written % HEFTY1_BLOCK_BYTES;
uint64_t count = Min(len, HEFTY1_BLOCK_BYTES - end);
memcpy(&ctx->block[end], &((unsigned char *)buf)[read], count);
len -= count;
read += count;
ctx->written += count;
if (!(ctx->written % HEFTY1_BLOCK_BYTES))
HashBlock(ctx);
}
}
void HEFTY1_Final(unsigned char *digest, HEFTY1_CTX *ctx)
{
assert(digest);
assert(ctx);
/* Pad message (FIPS 180 Section 5.1.1) */
uint64_t used = ctx->written % HEFTY1_BLOCK_BYTES;
ctx->block[used++] = 0x80; /* Append 1 to end of message */
if (used > HEFTY1_BLOCK_BYTES - 8) {
/* We have already written into the last 64bits, so
* we must continue into the next block. */
memset(&ctx->block[used], 0, HEFTY1_BLOCK_BYTES - used);
HashBlock(ctx);
used = 0; /* Create a new block (below) */
}
/* All remaining bits to zero */
memset(&ctx->block[used], 0, HEFTY1_BLOCK_BYTES - 8 - used);
/* The last 64bits encode the length (in network byte order) */
uint64_t *len = (uint64_t *)&ctx->block[HEFTY1_BLOCK_BYTES - 8];
*len = Reverse64(ctx->written*8);
HashBlock(ctx);
/* Convert back to network byte order */
int i = 0;
for (; i < HEFTY1_STATE_WORDS; i++)
ctx->h[i] = Reverse32(ctx->h[i]);
memcpy(digest, ctx->h, sizeof(ctx->h));
memset(ctx, 0, sizeof(HEFTY1_CTX));
}
unsigned char* HEFTY1(const unsigned char *buf, size_t len, unsigned char *digest)
{
HEFTY1_CTX ctx;
static unsigned char m[HEFTY1_DIGEST_BYTES];
if (!digest)
digest = m;
HEFTY1_Init(&ctx);
HEFTY1_Update(&ctx, buf, len);
HEFTY1_Final(digest, &ctx);
return digest;
}

66
sha3/sph_hefty1.h 100644
View File

@ -0,0 +1,66 @@
/*
* HEFTY1 cryptographic hash function
*
* Copyright (c) 2014, dbcc14 <BM-NBx4AKznJuyem3dArgVY8MGyABpihRy5>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those
* of the authors and should not be interpreted as representing official policies,
* either expressed or implied, of the FreeBSD Project.
*/
#ifndef __HEFTY1_H__
#define __HEFTY1_H__
#ifdef __cplusplus
extern "C" {
#endif
#ifndef WIN32
#include <sys/types.h>
#endif
#include <inttypes.h>
#define HEFTY1_DIGEST_BYTES 32
#define HEFTY1_BLOCK_BYTES 64
#define HEFTY1_STATE_WORDS 8
#define HEFTY1_SPONGE_WORDS 4
typedef struct HEFTY1_CTX {
uint32_t h[HEFTY1_STATE_WORDS];
uint8_t block[HEFTY1_BLOCK_BYTES];
uint64_t written;
uint32_t sponge[HEFTY1_SPONGE_WORDS];
} HEFTY1_CTX;
void HEFTY1_Init(HEFTY1_CTX *cxt);
void HEFTY1_Update(HEFTY1_CTX *cxt, const void *data, size_t len);
void HEFTY1_Final(unsigned char *digest, HEFTY1_CTX *cxt);
unsigned char* HEFTY1(const unsigned char *data, size_t len, unsigned char *digest);
#ifdef __cplusplus
}
#endif
#endif /* __HEFTY1_H__ */

21
shavite3.c 100644
View File

@ -0,0 +1,21 @@
#include "shavite3.h"
#include "sha3/sph_shavite.h"
void shavite3_hash(const char* input, char* output, uint32_t len)
{
char hash1[64];
char hash2[64];
sph_shavite512_context ctx_shavite;
sph_shavite512_init(&ctx_shavite);
sph_shavite512(&ctx_shavite, (const void*) input, len);
sph_shavite512_close(&ctx_shavite, (void*) &hash1);
sph_shavite512(&ctx_shavite, (const void*) &hash1, 64);
sph_shavite512_close(&ctx_shavite, (void*) &hash2);
memcpy(output, &hash2, 32);
}

16
shavite3.h 100644
View File

@ -0,0 +1,16 @@
#ifndef SHAVITE_H
#define SHAVITE_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
void shavite3_hash(const char* input, char* output, uint32_t len);
#ifdef __cplusplus
}
#endif
#endif

450
skein.c
View File

@ -5,460 +5,22 @@
#include <stdio.h>
#include "sha3/sph_skein.h"
#include "sha256.h"
#include <stdlib.h>
#if defined(WIN32) || defined(_WIN32) || defined(__WIN32) && !defined(__CYGWIN__)
#include "stdint.h"
#else
#include <stdint.h>
#endif
#include <string.h>
static __inline uint32_t
be32dec(const void *pp)
void skein_hash(const char* input, char* output, uint32_t len)
{
const uint8_t *p = (uint8_t const *)pp;
return ((uint32_t)(p[3]) + ((uint32_t)(p[2]) << 8) +
((uint32_t)(p[1]) << 16) + ((uint32_t)(p[0]) << 24));
}
static __inline void
be32enc(void *pp, uint32_t x)
{
uint8_t * p = (uint8_t *)pp;
p[3] = x & 0xff;
p[2] = (x >> 8) & 0xff;
p[1] = (x >> 16) & 0xff;
p[0] = (x >> 24) & 0xff;
}
static __inline uint32_t
le32dec(const void *pp)
{
const uint8_t *p = (uint8_t const *)pp;
return ((uint32_t)(p[0]) + ((uint32_t)(p[1]) << 8) +
((uint32_t)(p[2]) << 16) + ((uint32_t)(p[3]) << 24));
}
static __inline void
le32enc(void *pp, uint32_t x)
{
uint8_t * p = (uint8_t *)pp;
p[0] = x & 0xff;
p[1] = (x >> 8) & 0xff;
p[2] = (x >> 16) & 0xff;
p[3] = (x >> 24) & 0xff;
}
typedef struct SHA256Context {
uint32_t state[8];
uint32_t count[2];
unsigned char buf[64];
} SHA256_CTX;
typedef struct HMAC_SHA256Context {
SHA256_CTX ictx;
SHA256_CTX octx;
} HMAC_SHA256_CTX;
/*
* Encode a length len/4 vector of (uint32_t) into a length len vector of
* (unsigned char) in big-endian form. Assumes len is a multiple of 4.
*/
static void
be32enc_vect(unsigned char *dst, const uint32_t *src, size_t len)
{
size_t i;
for (i = 0; i < len / 4; i++)
be32enc(dst + i * 4, src[i]);
}
/*
* Decode a big-endian length len vector of (unsigned char) into a length
* len/4 vector of (uint32_t). Assumes len is a multiple of 4.
*/
static void
be32dec_vect(uint32_t *dst, const unsigned char *src, size_t len)
{
size_t i;
for (i = 0; i < len / 4; i++)
dst[i] = be32dec(src + i * 4);
}
/* Elementary functions used by SHA256 */
#define Ch(x, y, z) ((x & (y ^ z)) ^ z)
#define Maj(x, y, z) ((x & (y | z)) | (y & z))
#define SHR(x, n) (x >> n)
#define ROTR(x, n) ((x >> n) | (x << (32 - n)))
#define S0(x) (ROTR(x, 2) ^ ROTR(x, 13) ^ ROTR(x, 22))
#define S1(x) (ROTR(x, 6) ^ ROTR(x, 11) ^ ROTR(x, 25))
#define s0(x) (ROTR(x, 7) ^ ROTR(x, 18) ^ SHR(x, 3))
#define s1(x) (ROTR(x, 17) ^ ROTR(x, 19) ^ SHR(x, 10))
/* SHA256 round function */
#define RND(a, b, c, d, e, f, g, h, k) \
t0 = h + S1(e) + Ch(e, f, g) + k; \
t1 = S0(a) + Maj(a, b, c); \
d += t0; \
h = t0 + t1;
/* Adjusted round function for rotating state */
#define RNDr(S, W, i, k) \
RND(S[(64 - i) % 8], S[(65 - i) % 8], \
S[(66 - i) % 8], S[(67 - i) % 8], \
S[(68 - i) % 8], S[(69 - i) % 8], \
S[(70 - i) % 8], S[(71 - i) % 8], \
W[i] + k)
/*
* SHA256 block compression function. The 256-bit state is transformed via
* the 512-bit input block to produce a new state.
*/
static void
SHA256_Transform(uint32_t * state, const unsigned char block[64])
{
uint32_t W[64];
uint32_t S[8];
uint32_t t0, t1;
int i;
/* 1. Prepare message schedule W. */
be32dec_vect(W, block, 64);
for (i = 16; i < 64; i++)
W[i] = s1(W[i - 2]) + W[i - 7] + s0(W[i - 15]) + W[i - 16];
/* 2. Initialize working variables. */
memcpy(S, state, 32);
/* 3. Mix. */
RNDr(S, W, 0, 0x428a2f98);
RNDr(S, W, 1, 0x71374491);
RNDr(S, W, 2, 0xb5c0fbcf);
RNDr(S, W, 3, 0xe9b5dba5);
RNDr(S, W, 4, 0x3956c25b);
RNDr(S, W, 5, 0x59f111f1);
RNDr(S, W, 6, 0x923f82a4);
RNDr(S, W, 7, 0xab1c5ed5);
RNDr(S, W, 8, 0xd807aa98);
RNDr(S, W, 9, 0x12835b01);
RNDr(S, W, 10, 0x243185be);
RNDr(S, W, 11, 0x550c7dc3);
RNDr(S, W, 12, 0x72be5d74);
RNDr(S, W, 13, 0x80deb1fe);
RNDr(S, W, 14, 0x9bdc06a7);
RNDr(S, W, 15, 0xc19bf174);
RNDr(S, W, 16, 0xe49b69c1);
RNDr(S, W, 17, 0xefbe4786);
RNDr(S, W, 18, 0x0fc19dc6);
RNDr(S, W, 19, 0x240ca1cc);
RNDr(S, W, 20, 0x2de92c6f);
RNDr(S, W, 21, 0x4a7484aa);
RNDr(S, W, 22, 0x5cb0a9dc);
RNDr(S, W, 23, 0x76f988da);
RNDr(S, W, 24, 0x983e5152);
RNDr(S, W, 25, 0xa831c66d);
RNDr(S, W, 26, 0xb00327c8);
RNDr(S, W, 27, 0xbf597fc7);
RNDr(S, W, 28, 0xc6e00bf3);
RNDr(S, W, 29, 0xd5a79147);
RNDr(S, W, 30, 0x06ca6351);
RNDr(S, W, 31, 0x14292967);
RNDr(S, W, 32, 0x27b70a85);
RNDr(S, W, 33, 0x2e1b2138);
RNDr(S, W, 34, 0x4d2c6dfc);
RNDr(S, W, 35, 0x53380d13);
RNDr(S, W, 36, 0x650a7354);
RNDr(S, W, 37, 0x766a0abb);
RNDr(S, W, 38, 0x81c2c92e);
RNDr(S, W, 39, 0x92722c85);
RNDr(S, W, 40, 0xa2bfe8a1);
RNDr(S, W, 41, 0xa81a664b);
RNDr(S, W, 42, 0xc24b8b70);
RNDr(S, W, 43, 0xc76c51a3);
RNDr(S, W, 44, 0xd192e819);
RNDr(S, W, 45, 0xd6990624);
RNDr(S, W, 46, 0xf40e3585);
RNDr(S, W, 47, 0x106aa070);
RNDr(S, W, 48, 0x19a4c116);
RNDr(S, W, 49, 0x1e376c08);
RNDr(S, W, 50, 0x2748774c);
RNDr(S, W, 51, 0x34b0bcb5);
RNDr(S, W, 52, 0x391c0cb3);
RNDr(S, W, 53, 0x4ed8aa4a);
RNDr(S, W, 54, 0x5b9cca4f);
RNDr(S, W, 55, 0x682e6ff3);
RNDr(S, W, 56, 0x748f82ee);
RNDr(S, W, 57, 0x78a5636f);
RNDr(S, W, 58, 0x84c87814);
RNDr(S, W, 59, 0x8cc70208);
RNDr(S, W, 60, 0x90befffa);
RNDr(S, W, 61, 0xa4506ceb);
RNDr(S, W, 62, 0xbef9a3f7);
RNDr(S, W, 63, 0xc67178f2);
/* 4. Mix local working variables into global state */
for (i = 0; i < 8; i++)
state[i] += S[i];
/* Clean the stack. */
memset(W, 0, 256);
memset(S, 0, 32);
t0 = t1 = 0;
}
static unsigned char PAD[64] = {
0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
};
/* SHA-256 initialization. Begins a SHA-256 operation. */
static void
SHA256_Init(SHA256_CTX * ctx)
{
/* Zero bits processed so far */
ctx->count[0] = ctx->count[1] = 0;
/* Magic initialization constants */
ctx->state[0] = 0x6A09E667;
ctx->state[1] = 0xBB67AE85;
ctx->state[2] = 0x3C6EF372;
ctx->state[3] = 0xA54FF53A;
ctx->state[4] = 0x510E527F;
ctx->state[5] = 0x9B05688C;
ctx->state[6] = 0x1F83D9AB;
ctx->state[7] = 0x5BE0CD19;
}
/* Add bytes into the hash */
static void
SHA256_Update(SHA256_CTX * ctx, const void *in, size_t len)
{
uint32_t bitlen[2];
uint32_t r;
const unsigned char *src = in;
/* Number of bytes left in the buffer from previous updates */
r = (ctx->count[1] >> 3) & 0x3f;
/* Convert the length into a number of bits */
bitlen[1] = ((uint32_t)len) << 3;
bitlen[0] = (uint32_t)(len >> 29);
/* Update number of bits */
if ((ctx->count[1] += bitlen[1]) < bitlen[1])
ctx->count[0]++;
ctx->count[0] += bitlen[0];
/* Handle the case where we don't need to perform any transforms */
if (len < 64 - r) {
memcpy(&ctx->buf[r], src, len);
return;
}
/* Finish the current block */
memcpy(&ctx->buf[r], src, 64 - r);
SHA256_Transform(ctx->state, ctx->buf);
src += 64 - r;
len -= 64 - r;
/* Perform complete blocks */
while (len >= 64) {
SHA256_Transform(ctx->state, src);
src += 64;
len -= 64;
}
/* Copy left over data into buffer */
memcpy(ctx->buf, src, len);
}
/* Add padding and terminating bit-count. */
static void
SHA256_Pad(SHA256_CTX * ctx)
{
unsigned char len[8];
uint32_t r, plen;
/*
* Convert length to a vector of bytes -- we do this now rather
* than later because the length will change after we pad.
*/
be32enc_vect(len, ctx->count, 8);
/* Add 1--64 bytes so that the resulting length is 56 mod 64 */
r = (ctx->count[1] >> 3) & 0x3f;
plen = (r < 56) ? (56 - r) : (120 - r);
SHA256_Update(ctx, PAD, (size_t)plen);
/* Add the terminating bit-count */
SHA256_Update(ctx, len, 8);
}
/*
* SHA-256 finalization. Pads the input data, exports the hash value,
* and clears the context state.
*/
static void
SHA256_Final(unsigned char digest[32], SHA256_CTX * ctx)
{
/* Add padding */
SHA256_Pad(ctx);
/* Write the hash */
be32enc_vect(digest, ctx->state, 32);
/* Clear the context state */
memset((void *)ctx, 0, sizeof(*ctx));
}
/* Initialize an HMAC-SHA256 operation with the given key. */
static void
HMAC_SHA256_Init(HMAC_SHA256_CTX * ctx, const void * _K, size_t Klen)
{
unsigned char pad[64];
unsigned char khash[32];
const unsigned char * K = _K;
size_t i;
/* If Klen > 64, the key is really SHA256(K). */
if (Klen > 64) {
SHA256_Init(&ctx->ictx);
SHA256_Update(&ctx->ictx, K, Klen);
SHA256_Final(khash, &ctx->ictx);
K = khash;
Klen = 32;
}
/* Inner SHA256 operation is SHA256(K xor [block of 0x36] || data). */
SHA256_Init(&ctx->ictx);
memset(pad, 0x36, 64);
for (i = 0; i < Klen; i++)
pad[i] ^= K[i];
SHA256_Update(&ctx->ictx, pad, 64);
/* Outer SHA256 operation is SHA256(K xor [block of 0x5c] || hash). */
SHA256_Init(&ctx->octx);
memset(pad, 0x5c, 64);
for (i = 0; i < Klen; i++)
pad[i] ^= K[i];
SHA256_Update(&ctx->octx, pad, 64);
/* Clean the stack. */
memset(khash, 0, 32);
}
/* Add bytes to the HMAC-SHA256 operation. */
static void
HMAC_SHA256_Update(HMAC_SHA256_CTX * ctx, const void *in, size_t len)
{
/* Feed data to the inner SHA256 operation. */
SHA256_Update(&ctx->ictx, in, len);
}
/* Finish an HMAC-SHA256 operation. */
static void
HMAC_SHA256_Final(unsigned char digest[32], HMAC_SHA256_CTX * ctx)
{
unsigned char ihash[32];
/* Finish the inner SHA256 operation. */
SHA256_Final(ihash, &ctx->ictx);
/* Feed the inner hash to the outer SHA256 operation. */
SHA256_Update(&ctx->octx, ihash, 32);
/* Finish the outer SHA256 operation. */
SHA256_Final(digest, &ctx->octx);
/* Clean the stack. */
memset(ihash, 0, 32);
}
/**
* PBKDF2_SHA256(passwd, passwdlen, salt, saltlen, c, buf, dkLen):
* Compute PBKDF2(passwd, salt, c, dkLen) using HMAC-SHA256 as the PRF, and
* write the output to buf. The value dkLen must be at most 32 * (2^32 - 1).
*/
static void
PBKDF2_SHA256(const uint8_t * passwd, size_t passwdlen, const uint8_t * salt,
size_t saltlen, uint64_t c, uint8_t * buf, size_t dkLen)
{
HMAC_SHA256_CTX PShctx, hctx;
size_t i;
uint8_t ivec[4];
uint8_t U[32];
uint8_t T[32];
uint64_t j;
int k;
size_t clen;
/* Compute HMAC state after processing P and S. */
HMAC_SHA256_Init(&PShctx, passwd, passwdlen);
HMAC_SHA256_Update(&PShctx, salt, saltlen);
/* Iterate through the blocks. */
for (i = 0; i * 32 < dkLen; i++) {
/* Generate INT(i + 1). */
be32enc(ivec, (uint32_t)(i + 1));
/* Compute U_1 = PRF(P, S || INT(i)). */
memcpy(&hctx, &PShctx, sizeof(HMAC_SHA256_CTX));
HMAC_SHA256_Update(&hctx, ivec, 4);
HMAC_SHA256_Final(U, &hctx);
/* T_i = U_1 ... */
memcpy(T, U, 32);
for (j = 2; j <= c; j++) {
/* Compute U_j. */
HMAC_SHA256_Init(&hctx, passwd, passwdlen);
HMAC_SHA256_Update(&hctx, U, 32);
HMAC_SHA256_Final(U, &hctx);
/* ... xor U_j ... */
for (k = 0; k < 32; k++)
T[k] ^= U[k];
}
/* Copy as many bytes as necessary into buf. */
clen = dkLen - i * 32;
if (clen > 32)
clen = 32;
memcpy(&buf[i * 32], T, clen);
}
/* Clean PShctx, since we never called _Final on it. */
memset(&PShctx, 0, sizeof(HMAC_SHA256_CTX));
}
void skein_hash(const char* input, char* output, unsigned int len)
{
char* temp = (char*) malloc(64);
char temp[64];
sph_skein512_context ctx_skien;
sph_skein512_init(&ctx_skien);
sph_skein512(&ctx_skien, input, len);
sph_skein512_close(&ctx_skien, temp);
sph_skein512_close(&ctx_skien, &temp);
SHA256_CTX ctx_sha256;
SHA256_Init(&ctx_sha256);
SHA256_Update(&ctx_sha256, temp, 64);
SHA256_Final(output, &ctx_sha256);
free(temp);
SHA256_Update(&ctx_sha256, &temp, 64);
SHA256_Final((unsigned char*) output, &ctx_sha256);
}

4
skein.h
View File

@ -5,7 +5,9 @@
extern "C" {
#endif
void skein_hash(const char* input, char* output, unsigned int len);
#include <stdint.h>
void skein_hash(const char* input, char* output, uint32_t len);
#ifdef __cplusplus
}

2
x11.c
View File

@ -17,7 +17,7 @@
#include "sha3/sph_echo.h"
void x11_hash(const char* input, char* output, unsigned int len)
void x11_hash(const char* input, char* output, uint32_t len)
{
sph_blake512_context ctx_blake;
sph_bmw512_context ctx_bmw;

4
x11.h
View File

@ -5,7 +5,9 @@
extern "C" {
#endif
void x11_hash(const char* input, char* output, unsigned int len);
#include <stdint.h>
void x11_hash(const char* input, char* output, uint32_t len);
#ifdef __cplusplus
}