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-rw-r--r--openbsd-compat/rmd160.c378
1 files changed, 378 insertions, 0 deletions
diff --git a/openbsd-compat/rmd160.c b/openbsd-compat/rmd160.c
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+++ b/openbsd-compat/rmd160.c
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+/*
+ * 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 */