+++ /dev/null
-/*
- * Copyright (c) 2001 Markus Friedl. 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 AUTHOR ``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 AUTHOR 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.
- */
-/*
- * Preneel, Bosselaers, Dobbertin, "The Cryptographic Hash Function RIPEMD-160",
- * RSA Laboratories, CryptoBytes, Volume 3, Number 2, Autumn 1997,
- * ftp://ftp.rsasecurity.com/pub/cryptobytes/crypto3n2.pdf
- */
-
-#include "includes.h"
-
-#ifndef WITH_OPENSSL
-
-#include <sys/types.h>
-#ifdef HAVE_ENDIAN_H
-#include <endian.h>
-#endif
-#include <string.h>
-#include <rmd160.h>
-
-#define PUT_64BIT_LE(cp, value) do { \
- (cp)[7] = (value) >> 56; \
- (cp)[6] = (value) >> 48; \
- (cp)[5] = (value) >> 40; \
- (cp)[4] = (value) >> 32; \
- (cp)[3] = (value) >> 24; \
- (cp)[2] = (value) >> 16; \
- (cp)[1] = (value) >> 8; \
- (cp)[0] = (value); } while (0)
-
-#define PUT_32BIT_LE(cp, value) do { \
- (cp)[3] = (value) >> 24; \
- (cp)[2] = (value) >> 16; \
- (cp)[1] = (value) >> 8; \
- (cp)[0] = (value); } while (0)
-
-#define H0 0x67452301U
-#define H1 0xEFCDAB89U
-#define H2 0x98BADCFEU
-#define H3 0x10325476U
-#define H4 0xC3D2E1F0U
-
-#define K0 0x00000000U
-#define K1 0x5A827999U
-#define K2 0x6ED9EBA1U
-#define K3 0x8F1BBCDCU
-#define K4 0xA953FD4EU
-
-#define KK0 0x50A28BE6U
-#define KK1 0x5C4DD124U
-#define KK2 0x6D703EF3U
-#define KK3 0x7A6D76E9U
-#define KK4 0x00000000U
-
-/* rotate x left n bits. */
-#define ROL(n, x) (((x) << (n)) | ((x) >> (32-(n))))
-
-#define F0(x, y, z) ((x) ^ (y) ^ (z))
-#define F1(x, y, z) (((x) & (y)) | ((~x) & (z)))
-#define F2(x, y, z) (((x) | (~y)) ^ (z))
-#define F3(x, y, z) (((x) & (z)) | ((y) & (~z)))
-#define F4(x, y, z) ((x) ^ ((y) | (~z)))
-
-#define R(a, b, c, d, e, Fj, Kj, sj, rj) \
- do { \
- a = ROL(sj, a + Fj(b,c,d) + X(rj) + Kj) + e; \
- c = ROL(10, c); \
- } while(0)
-
-#define X(i) x[i]
-
-static u_int8_t PADDING[RMD160_BLOCK_LENGTH] = {
- 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
-};
-
-void
-RMD160Init(RMD160_CTX *ctx)
-{
- ctx->count = 0;
- ctx->state[0] = H0;
- ctx->state[1] = H1;
- ctx->state[2] = H2;
- ctx->state[3] = H3;
- ctx->state[4] = H4;
-}
-
-void
-RMD160Update(RMD160_CTX *ctx, const u_int8_t *input, size_t len)
-{
- size_t have, off, need;
-
- have = (ctx->count / 8) % RMD160_BLOCK_LENGTH;
- need = RMD160_BLOCK_LENGTH - have;
- ctx->count += 8 * len;
- off = 0;
-
- if (len >= need) {
- if (have) {
- memcpy(ctx->buffer + have, input, need);
- RMD160Transform(ctx->state, ctx->buffer);
- off = need;
- have = 0;
- }
- /* now the buffer is empty */
- while (off + RMD160_BLOCK_LENGTH <= len) {
- RMD160Transform(ctx->state, input+off);
- off += RMD160_BLOCK_LENGTH;
- }
- }
- if (off < len)
- memcpy(ctx->buffer + have, input+off, len-off);
-}
-
-void
-RMD160Pad(RMD160_CTX *ctx)
-{
- u_int8_t size[8];
- size_t padlen;
-
- PUT_64BIT_LE(size, ctx->count);
-
- /*
- * pad to RMD160_BLOCK_LENGTH byte blocks, at least one byte from
- * PADDING plus 8 bytes for the size
- */
- padlen = RMD160_BLOCK_LENGTH - ((ctx->count / 8) % RMD160_BLOCK_LENGTH);
- if (padlen < 1 + 8)
- padlen += RMD160_BLOCK_LENGTH;
- RMD160Update(ctx, PADDING, padlen - 8); /* padlen - 8 <= 64 */
- RMD160Update(ctx, size, 8);
-}
-
-void
-RMD160Final(u_int8_t digest[RMD160_DIGEST_LENGTH], RMD160_CTX *ctx)
-{
- int i;
-
- RMD160Pad(ctx);
- for (i = 0; i < 5; i++)
- PUT_32BIT_LE(digest + i*4, ctx->state[i]);
- memset(ctx, 0, sizeof (*ctx));
-}
-
-void
-RMD160Transform(u_int32_t state[5], const u_int8_t block[RMD160_BLOCK_LENGTH])
-{
- u_int32_t a, b, c, d, e, aa, bb, cc, dd, ee, t, x[16];
-
-#if BYTE_ORDER == LITTLE_ENDIAN
- memcpy(x, block, RMD160_BLOCK_LENGTH);
-#else
- int i;
-
- for (i = 0; i < 16; i++)
- x[i] = (u_int32_t)(
- (u_int32_t)(block[i*4 + 0]) |
- (u_int32_t)(block[i*4 + 1]) << 8 |
- (u_int32_t)(block[i*4 + 2]) << 16 |
- (u_int32_t)(block[i*4 + 3]) << 24);
-#endif
-
- a = state[0];
- b = state[1];
- c = state[2];
- d = state[3];
- e = state[4];
-
- /* Round 1 */
- R(a, b, c, d, e, F0, K0, 11, 0);
- R(e, a, b, c, d, F0, K0, 14, 1);
- R(d, e, a, b, c, F0, K0, 15, 2);
- R(c, d, e, a, b, F0, K0, 12, 3);
- R(b, c, d, e, a, F0, K0, 5, 4);
- R(a, b, c, d, e, F0, K0, 8, 5);
- R(e, a, b, c, d, F0, K0, 7, 6);
- R(d, e, a, b, c, F0, K0, 9, 7);
- R(c, d, e, a, b, F0, K0, 11, 8);
- R(b, c, d, e, a, F0, K0, 13, 9);
- R(a, b, c, d, e, F0, K0, 14, 10);
- R(e, a, b, c, d, F0, K0, 15, 11);
- R(d, e, a, b, c, F0, K0, 6, 12);
- R(c, d, e, a, b, F0, K0, 7, 13);
- R(b, c, d, e, a, F0, K0, 9, 14);
- R(a, b, c, d, e, F0, K0, 8, 15); /* #15 */
- /* Round 2 */
- R(e, a, b, c, d, F1, K1, 7, 7);
- R(d, e, a, b, c, F1, K1, 6, 4);
- R(c, d, e, a, b, F1, K1, 8, 13);
- R(b, c, d, e, a, F1, K1, 13, 1);
- R(a, b, c, d, e, F1, K1, 11, 10);
- R(e, a, b, c, d, F1, K1, 9, 6);
- R(d, e, a, b, c, F1, K1, 7, 15);
- R(c, d, e, a, b, F1, K1, 15, 3);
- R(b, c, d, e, a, F1, K1, 7, 12);
- R(a, b, c, d, e, F1, K1, 12, 0);
- R(e, a, b, c, d, F1, K1, 15, 9);
- R(d, e, a, b, c, F1, K1, 9, 5);
- R(c, d, e, a, b, F1, K1, 11, 2);
- R(b, c, d, e, a, F1, K1, 7, 14);
- R(a, b, c, d, e, F1, K1, 13, 11);
- R(e, a, b, c, d, F1, K1, 12, 8); /* #31 */
- /* Round 3 */
- R(d, e, a, b, c, F2, K2, 11, 3);
- R(c, d, e, a, b, F2, K2, 13, 10);
- R(b, c, d, e, a, F2, K2, 6, 14);
- R(a, b, c, d, e, F2, K2, 7, 4);
- R(e, a, b, c, d, F2, K2, 14, 9);
- R(d, e, a, b, c, F2, K2, 9, 15);
- R(c, d, e, a, b, F2, K2, 13, 8);
- R(b, c, d, e, a, F2, K2, 15, 1);
- R(a, b, c, d, e, F2, K2, 14, 2);
- R(e, a, b, c, d, F2, K2, 8, 7);
- R(d, e, a, b, c, F2, K2, 13, 0);
- R(c, d, e, a, b, F2, K2, 6, 6);
- R(b, c, d, e, a, F2, K2, 5, 13);
- R(a, b, c, d, e, F2, K2, 12, 11);
- R(e, a, b, c, d, F2, K2, 7, 5);
- R(d, e, a, b, c, F2, K2, 5, 12); /* #47 */
- /* Round 4 */
- R(c, d, e, a, b, F3, K3, 11, 1);
- R(b, c, d, e, a, F3, K3, 12, 9);
- R(a, b, c, d, e, F3, K3, 14, 11);
- R(e, a, b, c, d, F3, K3, 15, 10);
- R(d, e, a, b, c, F3, K3, 14, 0);
- R(c, d, e, a, b, F3, K3, 15, 8);
- R(b, c, d, e, a, F3, K3, 9, 12);
- R(a, b, c, d, e, F3, K3, 8, 4);
- R(e, a, b, c, d, F3, K3, 9, 13);
- R(d, e, a, b, c, F3, K3, 14, 3);
- R(c, d, e, a, b, F3, K3, 5, 7);
- R(b, c, d, e, a, F3, K3, 6, 15);
- R(a, b, c, d, e, F3, K3, 8, 14);
- R(e, a, b, c, d, F3, K3, 6, 5);
- R(d, e, a, b, c, F3, K3, 5, 6);
- R(c, d, e, a, b, F3, K3, 12, 2); /* #63 */
- /* Round 5 */
- R(b, c, d, e, a, F4, K4, 9, 4);
- R(a, b, c, d, e, F4, K4, 15, 0);
- R(e, a, b, c, d, F4, K4, 5, 5);
- R(d, e, a, b, c, F4, K4, 11, 9);
- R(c, d, e, a, b, F4, K4, 6, 7);
- R(b, c, d, e, a, F4, K4, 8, 12);
- R(a, b, c, d, e, F4, K4, 13, 2);
- R(e, a, b, c, d, F4, K4, 12, 10);
- R(d, e, a, b, c, F4, K4, 5, 14);
- R(c, d, e, a, b, F4, K4, 12, 1);
- R(b, c, d, e, a, F4, K4, 13, 3);
- R(a, b, c, d, e, F4, K4, 14, 8);
- R(e, a, b, c, d, F4, K4, 11, 11);
- R(d, e, a, b, c, F4, K4, 8, 6);
- R(c, d, e, a, b, F4, K4, 5, 15);
- R(b, c, d, e, a, F4, K4, 6, 13); /* #79 */
-
- aa = a ; bb = b; cc = c; dd = d; ee = e;
-
- a = state[0];
- b = state[1];
- c = state[2];
- d = state[3];
- e = state[4];
-
- /* Parallel round 1 */
- R(a, b, c, d, e, F4, KK0, 8, 5);
- R(e, a, b, c, d, F4, KK0, 9, 14);
- R(d, e, a, b, c, F4, KK0, 9, 7);
- R(c, d, e, a, b, F4, KK0, 11, 0);
- R(b, c, d, e, a, F4, KK0, 13, 9);
- R(a, b, c, d, e, F4, KK0, 15, 2);
- R(e, a, b, c, d, F4, KK0, 15, 11);
- R(d, e, a, b, c, F4, KK0, 5, 4);
- R(c, d, e, a, b, F4, KK0, 7, 13);
- R(b, c, d, e, a, F4, KK0, 7, 6);
- R(a, b, c, d, e, F4, KK0, 8, 15);
- R(e, a, b, c, d, F4, KK0, 11, 8);
- R(d, e, a, b, c, F4, KK0, 14, 1);
- R(c, d, e, a, b, F4, KK0, 14, 10);
- R(b, c, d, e, a, F4, KK0, 12, 3);
- R(a, b, c, d, e, F4, KK0, 6, 12); /* #15 */
- /* Parallel round 2 */
- R(e, a, b, c, d, F3, KK1, 9, 6);
- R(d, e, a, b, c, F3, KK1, 13, 11);
- R(c, d, e, a, b, F3, KK1, 15, 3);
- R(b, c, d, e, a, F3, KK1, 7, 7);
- R(a, b, c, d, e, F3, KK1, 12, 0);
- R(e, a, b, c, d, F3, KK1, 8, 13);
- R(d, e, a, b, c, F3, KK1, 9, 5);
- R(c, d, e, a, b, F3, KK1, 11, 10);
- R(b, c, d, e, a, F3, KK1, 7, 14);
- R(a, b, c, d, e, F3, KK1, 7, 15);
- R(e, a, b, c, d, F3, KK1, 12, 8);
- R(d, e, a, b, c, F3, KK1, 7, 12);
- R(c, d, e, a, b, F3, KK1, 6, 4);
- R(b, c, d, e, a, F3, KK1, 15, 9);
- R(a, b, c, d, e, F3, KK1, 13, 1);
- R(e, a, b, c, d, F3, KK1, 11, 2); /* #31 */
- /* Parallel round 3 */
- R(d, e, a, b, c, F2, KK2, 9, 15);
- R(c, d, e, a, b, F2, KK2, 7, 5);
- R(b, c, d, e, a, F2, KK2, 15, 1);
- R(a, b, c, d, e, F2, KK2, 11, 3);
- R(e, a, b, c, d, F2, KK2, 8, 7);
- R(d, e, a, b, c, F2, KK2, 6, 14);
- R(c, d, e, a, b, F2, KK2, 6, 6);
- R(b, c, d, e, a, F2, KK2, 14, 9);
- R(a, b, c, d, e, F2, KK2, 12, 11);
- R(e, a, b, c, d, F2, KK2, 13, 8);
- R(d, e, a, b, c, F2, KK2, 5, 12);
- R(c, d, e, a, b, F2, KK2, 14, 2);
- R(b, c, d, e, a, F2, KK2, 13, 10);
- R(a, b, c, d, e, F2, KK2, 13, 0);
- R(e, a, b, c, d, F2, KK2, 7, 4);
- R(d, e, a, b, c, F2, KK2, 5, 13); /* #47 */
- /* Parallel round 4 */
- R(c, d, e, a, b, F1, KK3, 15, 8);
- R(b, c, d, e, a, F1, KK3, 5, 6);
- R(a, b, c, d, e, F1, KK3, 8, 4);
- R(e, a, b, c, d, F1, KK3, 11, 1);
- R(d, e, a, b, c, F1, KK3, 14, 3);
- R(c, d, e, a, b, F1, KK3, 14, 11);
- R(b, c, d, e, a, F1, KK3, 6, 15);
- R(a, b, c, d, e, F1, KK3, 14, 0);
- R(e, a, b, c, d, F1, KK3, 6, 5);
- R(d, e, a, b, c, F1, KK3, 9, 12);
- R(c, d, e, a, b, F1, KK3, 12, 2);
- R(b, c, d, e, a, F1, KK3, 9, 13);
- R(a, b, c, d, e, F1, KK3, 12, 9);
- R(e, a, b, c, d, F1, KK3, 5, 7);
- R(d, e, a, b, c, F1, KK3, 15, 10);
- R(c, d, e, a, b, F1, KK3, 8, 14); /* #63 */
- /* Parallel round 5 */
- R(b, c, d, e, a, F0, KK4, 8, 12);
- R(a, b, c, d, e, F0, KK4, 5, 15);
- R(e, a, b, c, d, F0, KK4, 12, 10);
- R(d, e, a, b, c, F0, KK4, 9, 4);
- R(c, d, e, a, b, F0, KK4, 12, 1);
- R(b, c, d, e, a, F0, KK4, 5, 5);
- R(a, b, c, d, e, F0, KK4, 14, 8);
- R(e, a, b, c, d, F0, KK4, 6, 7);
- R(d, e, a, b, c, F0, KK4, 8, 6);
- R(c, d, e, a, b, F0, KK4, 13, 2);
- R(b, c, d, e, a, F0, KK4, 6, 13);
- R(a, b, c, d, e, F0, KK4, 5, 14);
- R(e, a, b, c, d, F0, KK4, 15, 0);
- R(d, e, a, b, c, F0, KK4, 13, 3);
- R(c, d, e, a, b, F0, KK4, 11, 9);
- R(b, c, d, e, a, F0, KK4, 11, 11); /* #79 */
-
- t = state[1] + cc + d;
- state[1] = state[2] + dd + e;
- state[2] = state[3] + ee + a;
- state[3] = state[4] + aa + b;
- state[4] = state[0] + bb + c;
- state[0] = t;
-}
-
-#endif /* !WITH_OPENSSL */
projects / thirdparty / openssh-portable.git / commitdiff
