#include <stdio.h>
#include "ltc_rmd256.h"
#include "ltc_hashcommon.h"
#include "tomcrypt_cfg.h"
#include "tomcrypt_macros.h"
#include "tomcrypt_argchk.h"
#include "ccDescriptors.h"
#include "ccErrors.h"
#include "ccMemory.h"
#include "CommonDigest.h"
#include "CommonDigestSPI.h"
const ccDescriptor ltc_rmd256_desc = {
.implementation_info = &cc_rmd256_impinfo,
.dtype.digest.hashsize = CC_RMD256_DIGEST_LENGTH,
.dtype.digest.blocksize = CC_RMD256_BLOCK_BYTES,
.dtype.digest.digest_info = NULL,
.dtype.digest.init = <c_rmd256_init,
.dtype.digest.process = <c_rmd256_process,
.dtype.digest.done = <c_rmd256_done,
};
#define F(x, y, z) ((x) ^ (y) ^ (z))
#define G(x, y, z) (((x) & (y)) | (~(x) & (z)))
#define H(x, y, z) (((x) | ~(y)) ^ (z))
#define I(x, y, z) (((x) & (z)) | ((y) & ~(z)))
#define FF(a, b, c, d, x, s) \
(a) += F((b), (c), (d)) + (x);\
(a) = LTC_ROLc((a), (s));
#define GG(a, b, c, d, x, s) \
(a) += G((b), (c), (d)) + (x) + 0x5a827999UL;\
(a) = LTC_ROLc((a), (s));
#define HH(a, b, c, d, x, s) \
(a) += H((b), (c), (d)) + (x) + 0x6ed9eba1UL;\
(a) = LTC_ROLc((a), (s));
#define II(a, b, c, d, x, s) \
(a) += I((b), (c), (d)) + (x) + 0x8f1bbcdcUL;\
(a) = LTC_ROLc((a), (s));
#define FFF(a, b, c, d, x, s) \
(a) += F((b), (c), (d)) + (x);\
(a) = LTC_ROLc((a), (s));
#define GGG(a, b, c, d, x, s) \
(a) += G((b), (c), (d)) + (x) + 0x6d703ef3UL;\
(a) = LTC_ROLc((a), (s));
#define HHH(a, b, c, d, x, s) \
(a) += H((b), (c), (d)) + (x) + 0x5c4dd124UL;\
(a) = LTC_ROLc((a), (s));
#define III(a, b, c, d, x, s) \
(a) += I((b), (c), (d)) + (x) + 0x50a28be6UL;\
(a) = LTC_ROLc((a), (s));
#ifdef LTC_CLEAN_STACK
static int _rmd256_compress(ltc_rmd256_ctx *ctx, const unsigned char *buf)
#else
static int rmd256_compress(ltc_rmd256_ctx *ctx, const unsigned char *buf)
#endif
{
ulong32 aa,bb,cc,dd,aaa,bbb,ccc,ddd,tmp,X[16];
int i;
for (i = 0; i < 16; i++){
LTC_LOAD32L(X[i], buf + (4 * i));
}
aa = ctx->state[0];
bb = ctx->state[1];
cc = ctx->state[2];
dd = ctx->state[3];
aaa = ctx->state[4];
bbb = ctx->state[5];
ccc = ctx->state[6];
ddd = ctx->state[7];
FF(aa, bb, cc, dd, X[ 0], 11);
FF(dd, aa, bb, cc, X[ 1], 14);
FF(cc, dd, aa, bb, X[ 2], 15);
FF(bb, cc, dd, aa, X[ 3], 12);
FF(aa, bb, cc, dd, X[ 4], 5);
FF(dd, aa, bb, cc, X[ 5], 8);
FF(cc, dd, aa, bb, X[ 6], 7);
FF(bb, cc, dd, aa, X[ 7], 9);
FF(aa, bb, cc, dd, X[ 8], 11);
FF(dd, aa, bb, cc, X[ 9], 13);
FF(cc, dd, aa, bb, X[10], 14);
FF(bb, cc, dd, aa, X[11], 15);
FF(aa, bb, cc, dd, X[12], 6);
FF(dd, aa, bb, cc, X[13], 7);
FF(cc, dd, aa, bb, X[14], 9);
FF(bb, cc, dd, aa, X[15], 8);
III(aaa, bbb, ccc, ddd, X[ 5], 8);
III(ddd, aaa, bbb, ccc, X[14], 9);
III(ccc, ddd, aaa, bbb, X[ 7], 9);
III(bbb, ccc, ddd, aaa, X[ 0], 11);
III(aaa, bbb, ccc, ddd, X[ 9], 13);
III(ddd, aaa, bbb, ccc, X[ 2], 15);
III(ccc, ddd, aaa, bbb, X[11], 15);
III(bbb, ccc, ddd, aaa, X[ 4], 5);
III(aaa, bbb, ccc, ddd, X[13], 7);
III(ddd, aaa, bbb, ccc, X[ 6], 7);
III(ccc, ddd, aaa, bbb, X[15], 8);
III(bbb, ccc, ddd, aaa, X[ 8], 11);
III(aaa, bbb, ccc, ddd, X[ 1], 14);
III(ddd, aaa, bbb, ccc, X[10], 14);
III(ccc, ddd, aaa, bbb, X[ 3], 12);
III(bbb, ccc, ddd, aaa, X[12], 6);
tmp = aa; aa = aaa; aaa = tmp;
GG(aa, bb, cc, dd, X[ 7], 7);
GG(dd, aa, bb, cc, X[ 4], 6);
GG(cc, dd, aa, bb, X[13], 8);
GG(bb, cc, dd, aa, X[ 1], 13);
GG(aa, bb, cc, dd, X[10], 11);
GG(dd, aa, bb, cc, X[ 6], 9);
GG(cc, dd, aa, bb, X[15], 7);
GG(bb, cc, dd, aa, X[ 3], 15);
GG(aa, bb, cc, dd, X[12], 7);
GG(dd, aa, bb, cc, X[ 0], 12);
GG(cc, dd, aa, bb, X[ 9], 15);
GG(bb, cc, dd, aa, X[ 5], 9);
GG(aa, bb, cc, dd, X[ 2], 11);
GG(dd, aa, bb, cc, X[14], 7);
GG(cc, dd, aa, bb, X[11], 13);
GG(bb, cc, dd, aa, X[ 8], 12);
HHH(aaa, bbb, ccc, ddd, X[ 6], 9);
HHH(ddd, aaa, bbb, ccc, X[11], 13);
HHH(ccc, ddd, aaa, bbb, X[ 3], 15);
HHH(bbb, ccc, ddd, aaa, X[ 7], 7);
HHH(aaa, bbb, ccc, ddd, X[ 0], 12);
HHH(ddd, aaa, bbb, ccc, X[13], 8);
HHH(ccc, ddd, aaa, bbb, X[ 5], 9);
HHH(bbb, ccc, ddd, aaa, X[10], 11);
HHH(aaa, bbb, ccc, ddd, X[14], 7);
HHH(ddd, aaa, bbb, ccc, X[15], 7);
HHH(ccc, ddd, aaa, bbb, X[ 8], 12);
HHH(bbb, ccc, ddd, aaa, X[12], 7);
HHH(aaa, bbb, ccc, ddd, X[ 4], 6);
HHH(ddd, aaa, bbb, ccc, X[ 9], 15);
HHH(ccc, ddd, aaa, bbb, X[ 1], 13);
HHH(bbb, ccc, ddd, aaa, X[ 2], 11);
tmp = bb; bb = bbb; bbb = tmp;
HH(aa, bb, cc, dd, X[ 3], 11);
HH(dd, aa, bb, cc, X[10], 13);
HH(cc, dd, aa, bb, X[14], 6);
HH(bb, cc, dd, aa, X[ 4], 7);
HH(aa, bb, cc, dd, X[ 9], 14);
HH(dd, aa, bb, cc, X[15], 9);
HH(cc, dd, aa, bb, X[ 8], 13);
HH(bb, cc, dd, aa, X[ 1], 15);
HH(aa, bb, cc, dd, X[ 2], 14);
HH(dd, aa, bb, cc, X[ 7], 8);
HH(cc, dd, aa, bb, X[ 0], 13);
HH(bb, cc, dd, aa, X[ 6], 6);
HH(aa, bb, cc, dd, X[13], 5);
HH(dd, aa, bb, cc, X[11], 12);
HH(cc, dd, aa, bb, X[ 5], 7);
HH(bb, cc, dd, aa, X[12], 5);
GGG(aaa, bbb, ccc, ddd, X[15], 9);
GGG(ddd, aaa, bbb, ccc, X[ 5], 7);
GGG(ccc, ddd, aaa, bbb, X[ 1], 15);
GGG(bbb, ccc, ddd, aaa, X[ 3], 11);
GGG(aaa, bbb, ccc, ddd, X[ 7], 8);
GGG(ddd, aaa, bbb, ccc, X[14], 6);
GGG(ccc, ddd, aaa, bbb, X[ 6], 6);
GGG(bbb, ccc, ddd, aaa, X[ 9], 14);
GGG(aaa, bbb, ccc, ddd, X[11], 12);
GGG(ddd, aaa, bbb, ccc, X[ 8], 13);
GGG(ccc, ddd, aaa, bbb, X[12], 5);
GGG(bbb, ccc, ddd, aaa, X[ 2], 14);
GGG(aaa, bbb, ccc, ddd, X[10], 13);
GGG(ddd, aaa, bbb, ccc, X[ 0], 13);
GGG(ccc, ddd, aaa, bbb, X[ 4], 7);
GGG(bbb, ccc, ddd, aaa, X[13], 5);
tmp = cc; cc = ccc; ccc = tmp;
II(aa, bb, cc, dd, X[ 1], 11);
II(dd, aa, bb, cc, X[ 9], 12);
II(cc, dd, aa, bb, X[11], 14);
II(bb, cc, dd, aa, X[10], 15);
II(aa, bb, cc, dd, X[ 0], 14);
II(dd, aa, bb, cc, X[ 8], 15);
II(cc, dd, aa, bb, X[12], 9);
II(bb, cc, dd, aa, X[ 4], 8);
II(aa, bb, cc, dd, X[13], 9);
II(dd, aa, bb, cc, X[ 3], 14);
II(cc, dd, aa, bb, X[ 7], 5);
II(bb, cc, dd, aa, X[15], 6);
II(aa, bb, cc, dd, X[14], 8);
II(dd, aa, bb, cc, X[ 5], 6);
II(cc, dd, aa, bb, X[ 6], 5);
II(bb, cc, dd, aa, X[ 2], 12);
FFF(aaa, bbb, ccc, ddd, X[ 8], 15);
FFF(ddd, aaa, bbb, ccc, X[ 6], 5);
FFF(ccc, ddd, aaa, bbb, X[ 4], 8);
FFF(bbb, ccc, ddd, aaa, X[ 1], 11);
FFF(aaa, bbb, ccc, ddd, X[ 3], 14);
FFF(ddd, aaa, bbb, ccc, X[11], 14);
FFF(ccc, ddd, aaa, bbb, X[15], 6);
FFF(bbb, ccc, ddd, aaa, X[ 0], 14);
FFF(aaa, bbb, ccc, ddd, X[ 5], 6);
FFF(ddd, aaa, bbb, ccc, X[12], 9);
FFF(ccc, ddd, aaa, bbb, X[ 2], 12);
FFF(bbb, ccc, ddd, aaa, X[13], 9);
FFF(aaa, bbb, ccc, ddd, X[ 9], 12);
FFF(ddd, aaa, bbb, ccc, X[ 7], 5);
FFF(ccc, ddd, aaa, bbb, X[10], 15);
FFF(bbb, ccc, ddd, aaa, X[14], 8);
tmp = dd; dd = ddd; ddd = tmp;
ctx->state[0] += aa;
ctx->state[1] += bb;
ctx->state[2] += cc;
ctx->state[3] += dd;
ctx->state[4] += aaa;
ctx->state[5] += bbb;
ctx->state[6] += ccc;
ctx->state[7] += ddd;
return CRYPT_OK;
}
#ifdef LTC_CLEAN_STACK
static int rmd256_compress(ltc_rmd256_ctx *ctx, const unsigned char *buf)
{
int err;
err = _rmd256_compress(md, buf);
ltc_burn_stack(sizeof(ulong32) * 25 + sizeof(int));
return err;
}
#endif
int ltc_rmd256_init(ltc_rmd256_ctx *ctx)
{
LTC_ARGCHK(ctx != NULL);
ctx->state[0] = 0x67452301UL;
ctx->state[1] = 0xefcdab89UL;
ctx->state[2] = 0x98badcfeUL;
ctx->state[3] = 0x10325476UL;
ctx->state[4] = 0x76543210UL;
ctx->state[5] = 0xfedcba98UL;
ctx->state[6] = 0x89abcdefUL;
ctx->state[7] = 0x01234567UL;
ctx->curlen = 0;
ctx->length = 0;
return CRYPT_OK;
}
LTC_HASH_PROCESS(ltc_rmd256_process, rmd256_compress, ltc_rmd256_ctx, rmd256, 64)
int ltc_rmd256_done(ltc_rmd256_ctx *ctx, unsigned char *out)
{
int i;
LTC_ARGCHK(ctx != NULL);
LTC_ARGCHK(out != NULL);
if (ctx->curlen >= sizeof(ctx->buf)) {
return CRYPT_INVALID_ARG;
}
ctx->length += ctx->curlen * 8;
ctx->buf[ctx->curlen++] = (unsigned char)0x80;
if (ctx->curlen > 56) {
while (ctx->curlen < 64) {
ctx->buf[ctx->curlen++] = (unsigned char)0;
}
rmd256_compress(ctx, ctx->buf);
ctx->curlen = 0;
}
while (ctx->curlen < 56) {
ctx->buf[ctx->curlen++] = (unsigned char)0;
}
LTC_STORE64L(ctx->length, ctx->buf+56);
rmd256_compress(ctx, ctx->buf);
for (i = 0; i < 8; i++) {
LTC_STORE32L(ctx->state[i], out+(4*i));
}
#ifdef LTC_CLEAN_STACK
ltc_zeromem(md, sizeof(hash_state));
#endif
return CRYPT_OK;
}
int ltc_rmd256_test(void)
{
#ifndef LTC_TEST
return CRYPT_NOP;
#else
static const struct {
const char *msg;
unsigned char md[32];
} tests[] = {
{ "",
{ 0x02, 0xba, 0x4c, 0x4e, 0x5f, 0x8e, 0xcd, 0x18,
0x77, 0xfc, 0x52, 0xd6, 0x4d, 0x30, 0xe3, 0x7a,
0x2d, 0x97, 0x74, 0xfb, 0x1e, 0x5d, 0x02, 0x63,
0x80, 0xae, 0x01, 0x68, 0xe3, 0xc5, 0x52, 0x2d }
},
{ "a",
{ 0xf9, 0x33, 0x3e, 0x45, 0xd8, 0x57, 0xf5, 0xd9,
0x0a, 0x91, 0xba, 0xb7, 0x0a, 0x1e, 0xba, 0x0c,
0xfb, 0x1b, 0xe4, 0xb0, 0x78, 0x3c, 0x9a, 0xcf,
0xcd, 0x88, 0x3a, 0x91, 0x34, 0x69, 0x29, 0x25 }
},
{ "abc",
{ 0xaf, 0xbd, 0x6e, 0x22, 0x8b, 0x9d, 0x8c, 0xbb,
0xce, 0xf5, 0xca, 0x2d, 0x03, 0xe6, 0xdb, 0xa1,
0x0a, 0xc0, 0xbc, 0x7d, 0xcb, 0xe4, 0x68, 0x0e,
0x1e, 0x42, 0xd2, 0xe9, 0x75, 0x45, 0x9b, 0x65 }
},
{ "message digest",
{ 0x87, 0xe9, 0x71, 0x75, 0x9a, 0x1c, 0xe4, 0x7a,
0x51, 0x4d, 0x5c, 0x91, 0x4c, 0x39, 0x2c, 0x90,
0x18, 0xc7, 0xc4, 0x6b, 0xc1, 0x44, 0x65, 0x55,
0x4a, 0xfc, 0xdf, 0x54, 0xa5, 0x07, 0x0c, 0x0e }
},
{ "abcdefghijklmnopqrstuvwxyz",
{ 0x64, 0x9d, 0x30, 0x34, 0x75, 0x1e, 0xa2, 0x16,
0x77, 0x6b, 0xf9, 0xa1, 0x8a, 0xcc, 0x81, 0xbc,
0x78, 0x96, 0x11, 0x8a, 0x51, 0x97, 0x96, 0x87,
0x82, 0xdd, 0x1f, 0xd9, 0x7d, 0x8d, 0x51, 0x33 }
},
{ "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
{ 0x57, 0x40, 0xa4, 0x08, 0xac, 0x16, 0xb7, 0x20,
0xb8, 0x44, 0x24, 0xae, 0x93, 0x1c, 0xbb, 0x1f,
0xe3, 0x63, 0xd1, 0xd0, 0xbf, 0x40, 0x17, 0xf1,
0xa8, 0x9f, 0x7e, 0xa6, 0xde, 0x77, 0xa0, 0xb8 }
}
};
int x;
unsigned char buf[32];
ltc_hash_state md;
for (x = 0; x < (int)(sizeof(tests)/sizeof(tests[0])); x++) {
ltc_rmd256_init(&md);
ltc_rmd256_process(&md, (const unsigned char *)tests[x].msg,
strlen(tests[x].msg));
ltc_rmd256_done(&md, buf);
if (LTC_XMEMCMP(buf, tests[x].md, 32) != 0) {
#if 0
printf("Failed test %d\n", x);
#endif
return CRYPT_FAIL_TESTVECTOR;
}
}
return CRYPT_OK;
#endif
}