Initial import.
This commit is contained in:
Thomas Pornin
commit
3210f38e04
292 changed files with 58526 additions and 0 deletions
341
src/hash/sha2small.c
Normal file
341
src/hash/sha2small.c
Normal file
|
|
@ -0,0 +1,341 @@
|
|||
/*
|
||||
* Copyright (c) 2016 Thomas Pornin <pornin@bolet.org>
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining
|
||||
* a copy of this software and associated documentation files (the
|
||||
* "Software"), to deal in the Software without restriction, including
|
||||
* without limitation the rights to use, copy, modify, merge, publish,
|
||||
* distribute, sublicense, and/or sell copies of the Software, and to
|
||||
* permit persons to whom the Software is furnished to do so, subject to
|
||||
* the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be
|
||||
* included in all copies or substantial portions of the Software.
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#include "inner.h"
|
||||
|
||||
#define CH(X, Y, Z) ((((Y) ^ (Z)) & (X)) ^ (Z))
|
||||
#define MAJ(X, Y, Z) (((Y) & (Z)) | (((Y) | (Z)) & (X)))
|
||||
|
||||
#define ROTR(x, n) (((uint32_t)(x) << (32 - (n))) | ((uint32_t)(x) >> (n)))
|
||||
|
||||
#define BSG2_0(x) (ROTR(x, 2) ^ ROTR(x, 13) ^ ROTR(x, 22))
|
||||
#define BSG2_1(x) (ROTR(x, 6) ^ ROTR(x, 11) ^ ROTR(x, 25))
|
||||
#define SSG2_0(x) (ROTR(x, 7) ^ ROTR(x, 18) ^ (uint32_t)((x) >> 3))
|
||||
#define SSG2_1(x) (ROTR(x, 17) ^ ROTR(x, 19) ^ (uint32_t)((x) >> 10))
|
||||
|
||||
/* see inner.h */
|
||||
const uint32_t br_sha224_IV[8] = {
|
||||
0xC1059ED8, 0x367CD507, 0x3070DD17, 0xF70E5939,
|
||||
0xFFC00B31, 0x68581511, 0x64F98FA7, 0xBEFA4FA4
|
||||
};
|
||||
|
||||
/* see inner.h */
|
||||
const uint32_t br_sha256_IV[8] = {
|
||||
0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A,
|
||||
0x510E527F, 0x9B05688C, 0x1F83D9AB, 0x5BE0CD19
|
||||
};
|
||||
|
||||
static const uint32_t K[64] = {
|
||||
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
|
||||
};
|
||||
|
||||
/* see inner.h */
|
||||
void
|
||||
br_sha2small_round(const unsigned char *buf, uint32_t *val)
|
||||
{
|
||||
|
||||
#define SHA2_STEP(A, B, C, D, E, F, G, H, j) do { \
|
||||
uint32_t T1, T2; \
|
||||
T1 = H + BSG2_1(E) + CH(E, F, G) + K[j] + w[j]; \
|
||||
T2 = BSG2_0(A) + MAJ(A, B, C); \
|
||||
D += T1; \
|
||||
H = T1 + T2; \
|
||||
} while (0)
|
||||
|
||||
int i;
|
||||
uint32_t a, b, c, d, e, f, g, h;
|
||||
uint32_t w[64];
|
||||
|
||||
br_range_dec32be(w, 16, buf);
|
||||
for (i = 16; i < 64; i ++) {
|
||||
w[i] = SSG2_1(w[i - 2]) + w[i - 7]
|
||||
+ SSG2_0(w[i - 15]) + w[i - 16];
|
||||
}
|
||||
a = val[0];
|
||||
b = val[1];
|
||||
c = val[2];
|
||||
d = val[3];
|
||||
e = val[4];
|
||||
f = val[5];
|
||||
g = val[6];
|
||||
h = val[7];
|
||||
for (i = 0; i < 64; i += 8) {
|
||||
SHA2_STEP(a, b, c, d, e, f, g, h, i + 0);
|
||||
SHA2_STEP(h, a, b, c, d, e, f, g, i + 1);
|
||||
SHA2_STEP(g, h, a, b, c, d, e, f, i + 2);
|
||||
SHA2_STEP(f, g, h, a, b, c, d, e, i + 3);
|
||||
SHA2_STEP(e, f, g, h, a, b, c, d, i + 4);
|
||||
SHA2_STEP(d, e, f, g, h, a, b, c, i + 5);
|
||||
SHA2_STEP(c, d, e, f, g, h, a, b, i + 6);
|
||||
SHA2_STEP(b, c, d, e, f, g, h, a, i + 7);
|
||||
}
|
||||
val[0] += a;
|
||||
val[1] += b;
|
||||
val[2] += c;
|
||||
val[3] += d;
|
||||
val[4] += e;
|
||||
val[5] += f;
|
||||
val[6] += g;
|
||||
val[7] += h;
|
||||
|
||||
#if 0
|
||||
/* obsolete */
|
||||
#define SHA2_MEXP1(pc) do { \
|
||||
W[pc] = br_dec32be(buf + ((pc) << 2)); \
|
||||
} while (0)
|
||||
|
||||
#define SHA2_MEXP2(pc) do { \
|
||||
W[(pc) & 0x0F] = SSG2_1(W[((pc) - 2) & 0x0F]) \
|
||||
+ W[((pc) - 7) & 0x0F] \
|
||||
+ SSG2_0(W[((pc) - 15) & 0x0F]) + W[(pc) & 0x0F]; \
|
||||
} while (0)
|
||||
|
||||
#define SHA2_STEPn(n, a, b, c, d, e, f, g, h, pc) do { \
|
||||
uint32_t t1, t2; \
|
||||
SHA2_MEXP ## n(pc); \
|
||||
t1 = h + BSG2_1(e) + CH(e, f, g) \
|
||||
+ K[pcount + (pc)] + W[(pc) & 0x0F]; \
|
||||
t2 = BSG2_0(a) + MAJ(a, b, c); \
|
||||
d += t1; \
|
||||
h = t1 + t2; \
|
||||
} while (0)
|
||||
|
||||
#define SHA2_STEP1(a, b, c, d, e, f, g, h, pc) \
|
||||
SHA2_STEPn(1, a, b, c, d, e, f, g, h, pc)
|
||||
#define SHA2_STEP2(a, b, c, d, e, f, g, h, pc) \
|
||||
SHA2_STEPn(2, a, b, c, d, e, f, g, h, pc)
|
||||
|
||||
uint32_t A, B, C, D, E, F, G, H;
|
||||
uint32_t W[16];
|
||||
unsigned pcount;
|
||||
|
||||
A = val[0];
|
||||
B = val[1];
|
||||
C = val[2];
|
||||
D = val[3];
|
||||
E = val[4];
|
||||
F = val[5];
|
||||
G = val[6];
|
||||
H = val[7];
|
||||
pcount = 0;
|
||||
SHA2_STEP1(A, B, C, D, E, F, G, H, 0);
|
||||
SHA2_STEP1(H, A, B, C, D, E, F, G, 1);
|
||||
SHA2_STEP1(G, H, A, B, C, D, E, F, 2);
|
||||
SHA2_STEP1(F, G, H, A, B, C, D, E, 3);
|
||||
SHA2_STEP1(E, F, G, H, A, B, C, D, 4);
|
||||
SHA2_STEP1(D, E, F, G, H, A, B, C, 5);
|
||||
SHA2_STEP1(C, D, E, F, G, H, A, B, 6);
|
||||
SHA2_STEP1(B, C, D, E, F, G, H, A, 7);
|
||||
SHA2_STEP1(A, B, C, D, E, F, G, H, 8);
|
||||
SHA2_STEP1(H, A, B, C, D, E, F, G, 9);
|
||||
SHA2_STEP1(G, H, A, B, C, D, E, F, 10);
|
||||
SHA2_STEP1(F, G, H, A, B, C, D, E, 11);
|
||||
SHA2_STEP1(E, F, G, H, A, B, C, D, 12);
|
||||
SHA2_STEP1(D, E, F, G, H, A, B, C, 13);
|
||||
SHA2_STEP1(C, D, E, F, G, H, A, B, 14);
|
||||
SHA2_STEP1(B, C, D, E, F, G, H, A, 15);
|
||||
for (pcount = 16; pcount < 64; pcount += 16) {
|
||||
SHA2_STEP2(A, B, C, D, E, F, G, H, 0);
|
||||
SHA2_STEP2(H, A, B, C, D, E, F, G, 1);
|
||||
SHA2_STEP2(G, H, A, B, C, D, E, F, 2);
|
||||
SHA2_STEP2(F, G, H, A, B, C, D, E, 3);
|
||||
SHA2_STEP2(E, F, G, H, A, B, C, D, 4);
|
||||
SHA2_STEP2(D, E, F, G, H, A, B, C, 5);
|
||||
SHA2_STEP2(C, D, E, F, G, H, A, B, 6);
|
||||
SHA2_STEP2(B, C, D, E, F, G, H, A, 7);
|
||||
SHA2_STEP2(A, B, C, D, E, F, G, H, 8);
|
||||
SHA2_STEP2(H, A, B, C, D, E, F, G, 9);
|
||||
SHA2_STEP2(G, H, A, B, C, D, E, F, 10);
|
||||
SHA2_STEP2(F, G, H, A, B, C, D, E, 11);
|
||||
SHA2_STEP2(E, F, G, H, A, B, C, D, 12);
|
||||
SHA2_STEP2(D, E, F, G, H, A, B, C, 13);
|
||||
SHA2_STEP2(C, D, E, F, G, H, A, B, 14);
|
||||
SHA2_STEP2(B, C, D, E, F, G, H, A, 15);
|
||||
}
|
||||
val[0] += A;
|
||||
val[1] += B;
|
||||
val[2] += C;
|
||||
val[3] += D;
|
||||
val[4] += E;
|
||||
val[5] += F;
|
||||
val[6] += G;
|
||||
val[7] += H;
|
||||
#endif
|
||||
}
|
||||
|
||||
static void
|
||||
sha2small_update(br_sha224_context *cc, const void *data, size_t len)
|
||||
{
|
||||
const unsigned char *buf;
|
||||
size_t ptr;
|
||||
|
||||
buf = data;
|
||||
ptr = (size_t)cc->count & 63;
|
||||
cc->count += (uint64_t)len;
|
||||
while (len > 0) {
|
||||
size_t clen;
|
||||
|
||||
clen = 64 - ptr;
|
||||
if (clen > len) {
|
||||
clen = len;
|
||||
}
|
||||
memcpy(cc->buf + ptr, buf, clen);
|
||||
ptr += clen;
|
||||
buf += clen;
|
||||
len -= clen;
|
||||
if (ptr == 64) {
|
||||
br_sha2small_round(cc->buf, cc->val);
|
||||
ptr = 0;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void
|
||||
sha2small_out(const br_sha224_context *cc, void *dst, int num)
|
||||
{
|
||||
unsigned char buf[64];
|
||||
uint32_t val[8];
|
||||
size_t ptr;
|
||||
|
||||
ptr = (size_t)cc->count & 63;
|
||||
memcpy(buf, cc->buf, ptr);
|
||||
memcpy(val, cc->val, sizeof val);
|
||||
buf[ptr ++] = 0x80;
|
||||
if (ptr > 56) {
|
||||
memset(buf + ptr, 0, 64 - ptr);
|
||||
br_sha2small_round(buf, val);
|
||||
memset(buf, 0, 56);
|
||||
} else {
|
||||
memset(buf + ptr, 0, 56 - ptr);
|
||||
}
|
||||
br_enc64be(buf + 56, cc->count << 3);
|
||||
br_sha2small_round(buf, val);
|
||||
br_range_enc32be(dst, val, num);
|
||||
}
|
||||
|
||||
/* see bearssl.h */
|
||||
void
|
||||
br_sha224_init(br_sha224_context *cc)
|
||||
{
|
||||
cc->vtable = &br_sha224_vtable;
|
||||
memcpy(cc->val, br_sha224_IV, sizeof cc->val);
|
||||
cc->count = 0;
|
||||
}
|
||||
|
||||
/* see bearssl.h */
|
||||
void
|
||||
br_sha224_update(br_sha224_context *cc, const void *data, size_t len)
|
||||
{
|
||||
sha2small_update(cc, data, len);
|
||||
}
|
||||
|
||||
/* see bearssl.h */
|
||||
void
|
||||
br_sha224_out(const br_sha224_context *cc, void *dst)
|
||||
{
|
||||
sha2small_out(cc, dst, 7);
|
||||
}
|
||||
|
||||
/* see bearssl.h */
|
||||
uint64_t
|
||||
br_sha224_state(const br_sha224_context *cc, void *dst)
|
||||
{
|
||||
br_range_enc32be(dst, cc->val, 8);
|
||||
return cc->count;
|
||||
}
|
||||
|
||||
/* see bearssl.h */
|
||||
void
|
||||
br_sha224_set_state(br_sha224_context *cc, const void *stb, uint64_t count)
|
||||
{
|
||||
br_range_dec32be(cc->val, 8, stb);
|
||||
cc->count = count;
|
||||
}
|
||||
|
||||
/* see bearssl.h */
|
||||
void
|
||||
br_sha256_init(br_sha256_context *cc)
|
||||
{
|
||||
cc->vtable = &br_sha256_vtable;
|
||||
memcpy(cc->val, br_sha256_IV, sizeof cc->val);
|
||||
cc->count = 0;
|
||||
}
|
||||
|
||||
/* see bearssl.h */
|
||||
void
|
||||
br_sha256_out(const br_sha256_context *cc, void *dst)
|
||||
{
|
||||
sha2small_out(cc, dst, 8);
|
||||
}
|
||||
|
||||
/* see bearssl.h */
|
||||
const br_hash_class br_sha224_vtable = {
|
||||
sizeof(br_sha224_context),
|
||||
BR_HASHDESC_ID(br_sha224_ID)
|
||||
| BR_HASHDESC_OUT(28)
|
||||
| BR_HASHDESC_STATE(32)
|
||||
| BR_HASHDESC_LBLEN(6)
|
||||
| BR_HASHDESC_MD_PADDING
|
||||
| BR_HASHDESC_MD_PADDING_BE,
|
||||
(void (*)(const br_hash_class **))&br_sha224_init,
|
||||
(void (*)(const br_hash_class **,
|
||||
const void *, size_t))&br_sha224_update,
|
||||
(void (*)(const br_hash_class *const *, void *))&br_sha224_out,
|
||||
(uint64_t (*)(const br_hash_class *const *, void *))&br_sha224_state,
|
||||
(void (*)(const br_hash_class **, const void *, uint64_t))
|
||||
&br_sha224_set_state
|
||||
};
|
||||
|
||||
/* see bearssl.h */
|
||||
const br_hash_class br_sha256_vtable = {
|
||||
sizeof(br_sha256_context),
|
||||
BR_HASHDESC_ID(br_sha256_ID)
|
||||
| BR_HASHDESC_OUT(32)
|
||||
| BR_HASHDESC_STATE(32)
|
||||
| BR_HASHDESC_LBLEN(6)
|
||||
| BR_HASHDESC_MD_PADDING
|
||||
| BR_HASHDESC_MD_PADDING_BE,
|
||||
(void (*)(const br_hash_class **))&br_sha256_init,
|
||||
(void (*)(const br_hash_class **,
|
||||
const void *, size_t))&br_sha256_update,
|
||||
(void (*)(const br_hash_class *const *, void *))&br_sha256_out,
|
||||
(uint64_t (*)(const br_hash_class *const *, void *))&br_sha256_state,
|
||||
(void (*)(const br_hash_class **, const void *, uint64_t))
|
||||
&br_sha256_set_state
|
||||
};
|
||||
Loading…
Add table
Add a link
Reference in a new issue