X-Git-Url: https://git.distorted.org.uk/u/mdw/catacomb/blobdiff_plain/ba6e6b64033b1f9de49feccb5c9cd438354481f7..0f00dc4c8eb47e67bc0f148c2dd109f73a451e0a:/rmd320.c?ds=sidebyside diff --git a/rmd320.c b/rmd320.c deleted file mode 100644 index a91f874..0000000 --- a/rmd320.c +++ /dev/null @@ -1,426 +0,0 @@ -/* -*-c-*- - * - * $Id: rmd320.c,v 1.2 2004/04/08 01:36:15 mdw Exp $ - * - * The RIPEMD-320 message digest function - * - * (c) 1998 Straylight/Edgeware - */ - -/*----- Licensing notice --------------------------------------------------* - * - * This file is part of Catacomb. - * - * Catacomb is free software; you can redistribute it and/or modify - * it under the terms of the GNU Library General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) any later version. - * - * Catacomb is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with Catacomb; if not, write to the Free - * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, - * MA 02111-1307, USA. - */ - -/*----- Header files ------------------------------------------------------*/ - -#include - -#include "ghash.h" -#include "ghash-def.h" -#include "hash.h" -#include "rmd320.h" - -/*----- Main code ---------------------------------------------------------*/ - -/* --- @rmd320_compress@ --- * - * - * Arguments: @rmd320_ctx *ctx@ = pointer to context block - * @const void *sbuf@ = pointer to buffer of appropriate size - * - * Returns: --- - * - * Use: RIPEMD-320 compression function. - */ - -void rmd320_compress(rmd320_ctx *ctx, const void *sbuf) -{ - uint32 a, b, c, d, e; - uint32 A, B, C, D, E; - uint32 buf[16]; - - /* --- Fetch the chaining variables --- */ - - a = ctx->a; - b = ctx->b; - c = ctx->c; - d = ctx->d; - e = ctx->e; - - A = ctx->A; - B = ctx->B; - C = ctx->C; - D = ctx->D; - E = ctx->E; - - /* --- Fetch the buffer contents --- */ - - { - int i; - const octet *p; - - for (i = 0, p = sbuf; i < 16; i++, p += 4) - buf[i] = LOAD32_L(p); - } - - /* --- Definitions for round functions --- */ - -#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 J(x, y, z) ((x) ^ ((y) | ~(z))) - -#define T(v, w, x, y, z, i, r, f, k) do { \ - uint32 _t = v + f(w, x, y) + buf[i] + k; \ - v = ROL32(_t, r) + z; x = ROL32(x, 10); \ -} while (0) - -#define F1(v, w, x, y, z, i, r) T(v, w, x, y, z, i, r, F, 0x00000000) -#define G1(v, w, x, y, z, i, r) T(v, w, x, y, z, i, r, G, 0x5a827999) -#define H1(v, w, x, y, z, i, r) T(v, w, x, y, z, i, r, H, 0x6ed9eba1) -#define I1(v, w, x, y, z, i, r) T(v, w, x, y, z, i, r, I, 0x8f1bbcdc) -#define J1(v, w, x, y, z, i, r) T(v, w, x, y, z, i, r, J, 0xa953fd4e) - -#define F2(v, w, x, y, z, i, r) T(v, w, x, y, z, i, r, J, 0x50a28be6) -#define G2(v, w, x, y, z, i, r) T(v, w, x, y, z, i, r, I, 0x5c4dd124) -#define H2(v, w, x, y, z, i, r) T(v, w, x, y, z, i, r, H, 0x6d703ef3) -#define I2(v, w, x, y, z, i, r) T(v, w, x, y, z, i, r, G, 0x7a6d76e9) -#define J2(v, w, x, y, z, i, r) T(v, w, x, y, z, i, r, F, 0x00000000) - - /* --- We must do both lines together --- */ - - F1(a, b, c, d, e, 0, 11); - F1(e, a, b, c, d, 1, 14); - F1(d, e, a, b, c, 2, 15); - F1(c, d, e, a, b, 3, 12); - F1(b, c, d, e, a, 4, 5); - F1(a, b, c, d, e, 5, 8); - F1(e, a, b, c, d, 6, 7); - F1(d, e, a, b, c, 7, 9); - F1(c, d, e, a, b, 8, 11); - F1(b, c, d, e, a, 9, 13); - F1(a, b, c, d, e, 10, 14); - F1(e, a, b, c, d, 11, 15); - F1(d, e, a, b, c, 12, 6); - F1(c, d, e, a, b, 13, 7); - F1(b, c, d, e, a, 14, 9); - F1(a, b, c, d, e, 15, 8); - - F2(A, B, C, D, E, 5, 8); - F2(E, A, B, C, D, 14, 9); - F2(D, E, A, B, C, 7, 9); - F2(C, D, E, A, B, 0, 11); - F2(B, C, D, E, A, 9, 13); - F2(A, B, C, D, E, 2, 15); - F2(E, A, B, C, D, 11, 15); - F2(D, E, A, B, C, 4, 5); - F2(C, D, E, A, B, 13, 7); - F2(B, C, D, E, A, 6, 7); - F2(A, B, C, D, E, 15, 8); - F2(E, A, B, C, D, 8, 11); - F2(D, E, A, B, C, 1, 14); - F2(C, D, E, A, B, 10, 14); - F2(B, C, D, E, A, 3, 12); - F2(A, B, C, D, E, 12, 6); - - G1(e, A, b, c, d, 7, 7); - G1(d, e, A, b, c, 4, 6); - G1(c, d, e, A, b, 13, 8); - G1(b, c, d, e, A, 1, 13); - G1(A, b, c, d, e, 10, 11); - G1(e, A, b, c, d, 6, 9); - G1(d, e, A, b, c, 15, 7); - G1(c, d, e, A, b, 3, 15); - G1(b, c, d, e, A, 12, 7); - G1(A, b, c, d, e, 0, 12); - G1(e, A, b, c, d, 9, 15); - G1(d, e, A, b, c, 5, 9); - G1(c, d, e, A, b, 2, 11); - G1(b, c, d, e, A, 14, 7); - G1(A, b, c, d, e, 11, 13); - G1(e, A, b, c, d, 8, 12); - - G2(E, a, B, C, D, 6, 9); - G2(D, E, a, B, C, 11, 13); - G2(C, D, E, a, B, 3, 15); - G2(B, C, D, E, a, 7, 7); - G2(a, B, C, D, E, 0, 12); - G2(E, a, B, C, D, 13, 8); - G2(D, E, a, B, C, 5, 9); - G2(C, D, E, a, B, 10, 11); - G2(B, C, D, E, a, 14, 7); - G2(a, B, C, D, E, 15, 7); - G2(E, a, B, C, D, 8, 12); - G2(D, E, a, B, C, 12, 7); - G2(C, D, E, a, B, 4, 6); - G2(B, C, D, E, a, 9, 15); - G2(a, B, C, D, E, 1, 13); - G2(E, a, B, C, D, 2, 11); - - H1(d, e, A, B, c, 3, 11); - H1(c, d, e, A, B, 10, 13); - H1(B, c, d, e, A, 14, 6); - H1(A, B, c, d, e, 4, 7); - H1(e, A, B, c, d, 9, 14); - H1(d, e, A, B, c, 15, 9); - H1(c, d, e, A, B, 8, 13); - H1(B, c, d, e, A, 1, 15); - H1(A, B, c, d, e, 2, 14); - H1(e, A, B, c, d, 7, 8); - H1(d, e, A, B, c, 0, 13); - H1(c, d, e, A, B, 6, 6); - H1(B, c, d, e, A, 13, 5); - H1(A, B, c, d, e, 11, 12); - H1(e, A, B, c, d, 5, 7); - H1(d, e, A, B, c, 12, 5); - - H2(D, E, a, b, C, 15, 9); - H2(C, D, E, a, b, 5, 7); - H2(b, C, D, E, a, 1, 15); - H2(a, b, C, D, E, 3, 11); - H2(E, a, b, C, D, 7, 8); - H2(D, E, a, b, C, 14, 6); - H2(C, D, E, a, b, 6, 6); - H2(b, C, D, E, a, 9, 14); - H2(a, b, C, D, E, 11, 12); - H2(E, a, b, C, D, 8, 13); - H2(D, E, a, b, C, 12, 5); - H2(C, D, E, a, b, 2, 14); - H2(b, C, D, E, a, 10, 13); - H2(a, b, C, D, E, 0, 13); - H2(E, a, b, C, D, 4, 7); - H2(D, E, a, b, C, 13, 5); - - I1(C, d, e, A, B, 1, 11); - I1(B, C, d, e, A, 9, 12); - I1(A, B, C, d, e, 11, 14); - I1(e, A, B, C, d, 10, 15); - I1(d, e, A, B, C, 0, 14); - I1(C, d, e, A, B, 8, 15); - I1(B, C, d, e, A, 12, 9); - I1(A, B, C, d, e, 4, 8); - I1(e, A, B, C, d, 13, 9); - I1(d, e, A, B, C, 3, 14); - I1(C, d, e, A, B, 7, 5); - I1(B, C, d, e, A, 15, 6); - I1(A, B, C, d, e, 14, 8); - I1(e, A, B, C, d, 5, 6); - I1(d, e, A, B, C, 6, 5); - I1(C, d, e, A, B, 2, 12); - - I2(c, D, E, a, b, 8, 15); - I2(b, c, D, E, a, 6, 5); - I2(a, b, c, D, E, 4, 8); - I2(E, a, b, c, D, 1, 11); - I2(D, E, a, b, c, 3, 14); - I2(c, D, E, a, b, 11, 14); - I2(b, c, D, E, a, 15, 6); - I2(a, b, c, D, E, 0, 14); - I2(E, a, b, c, D, 5, 6); - I2(D, E, a, b, c, 12, 9); - I2(c, D, E, a, b, 2, 12); - I2(b, c, D, E, a, 13, 9); - I2(a, b, c, D, E, 9, 12); - I2(E, a, b, c, D, 7, 5); - I2(D, E, a, b, c, 10, 15); - I2(c, D, E, a, b, 14, 8); - - J1(B, C, D, e, A, 4, 9); - J1(A, B, C, D, e, 0, 15); - J1(e, A, B, C, D, 5, 5); - J1(D, e, A, B, C, 9, 11); - J1(C, D, e, A, B, 7, 6); - J1(B, C, D, e, A, 12, 8); - J1(A, B, C, D, e, 2, 13); - J1(e, A, B, C, D, 10, 12); - J1(D, e, A, B, C, 14, 5); - J1(C, D, e, A, B, 1, 12); - J1(B, C, D, e, A, 3, 13); - J1(A, B, C, D, e, 8, 14); - J1(e, A, B, C, D, 11, 11); - J1(D, e, A, B, C, 6, 8); - J1(C, D, e, A, B, 15, 5); - J1(B, C, D, e, A, 13, 6); - - J2(b, c, d, E, a, 12, 8); - J2(a, b, c, d, E, 15, 5); - J2(E, a, b, c, d, 10, 12); - J2(d, E, a, b, c, 4, 9); - J2(c, d, E, a, b, 1, 12); - J2(b, c, d, E, a, 5, 5); - J2(a, b, c, d, E, 8, 14); - J2(E, a, b, c, d, 7, 6); - J2(d, E, a, b, c, 6, 8); - J2(c, d, E, a, b, 2, 13); - J2(b, c, d, E, a, 13, 6); - J2(a, b, c, d, E, 14, 5); - J2(E, a, b, c, d, 0, 15); - J2(d, E, a, b, c, 3, 13); - J2(c, d, E, a, b, 9, 11); - J2(b, c, d, E, a, 11, 11); - - /* --- Write out the result --- */ - - ctx->a += A; - ctx->b += B; - ctx->c += C; - ctx->d += D; - ctx->e += E; - ctx->A += a; - ctx->B += b; - ctx->C += c; - ctx->D += d; - ctx->E += e; -} - -/* --- @rmd320_init@ --- * - * - * Arguments: @rmd320_ctx *ctx@ = pointer to context block to initialize - * - * Returns: --- - * - * Use: Initializes a context block ready for hashing. - */ - -void rmd320_init(rmd320_ctx *ctx) -{ - ctx->a = 0x67452301; - ctx->b = 0xefcdab89; - ctx->c = 0x98badcfe; - ctx->d = 0x10325476; - ctx->e = 0xc3d2e1f0; - ctx->A = 0x76543210; - ctx->B = 0xfedcba98; - ctx->C = 0x89abcdef; - ctx->D = 0x01234567; - ctx->E = 0x3c2d1e0f; - ctx->off = 0; - ctx->nl = ctx->nh = 0; -} - -/* --- @rmd320_set@ --- * - * - * Arguments: @rmd320_ctx *ctx@ = pointer to context block - * @const void *buf@ = pointer to state buffer - * @unsigned long count@ = current count of bytes processed - * - * Returns: --- - * - * Use: Initializes a context block from a given state. This is - * useful in cases where the initial hash state is meant to be - * secret, e.g., for NMAC and HMAC support. - */ - -void rmd320_set(rmd320_ctx *ctx, const void *buf, unsigned long count) -{ - const octet *p = buf; - ctx->a = LOAD32_L(p + 0); - ctx->b = LOAD32_L(p + 4); - ctx->c = LOAD32_L(p + 8); - ctx->d = LOAD32_L(p + 12); - ctx->e = LOAD32_L(p + 16); - ctx->A = LOAD32_L(p + 20); - ctx->B = LOAD32_L(p + 24); - ctx->C = LOAD32_L(p + 28); - ctx->D = LOAD32_L(p + 32); - ctx->E = LOAD32_L(p + 36); - ctx->off = 0; - ctx->nl = U32(count); - ctx->nh = U32(((count & ~MASK32) >> 16) >> 16); -} - -/* --- @rmd320_hash@ --- * - * - * Arguments: @rmd320_ctx *ctx@ = pointer to context block - * @const void *buf@ = buffer of data to hash - * @size_t sz@ = size of buffer to hash - * - * Returns: --- - * - * Use: Hashes a buffer of data. The buffer may be of any size and - * alignment. - */ - -void rmd320_hash(rmd320_ctx *ctx, const void *buf, size_t sz) -{ - HASH_BUFFER(RMD320, rmd320, ctx, buf, sz); -} - -/* --- @rmd320_done@ --- * - * - * Arguments: @rmd320_ctx *ctx@ = pointer to context block - * @void *hash@ = pointer to output buffer - * - * Returns: --- - * - * Use: Returns the hash of the data read so far. - */ - -void rmd320_done(rmd320_ctx *ctx, void *hash) -{ - octet *p = hash; - HASH_MD5STRENGTH(RMD320, rmd320, ctx); - STORE32_L(p + 0, ctx->a); - STORE32_L(p + 4, ctx->b); - STORE32_L(p + 8, ctx->c); - STORE32_L(p + 12, ctx->d); - STORE32_L(p + 16, ctx->e); - STORE32_L(p + 20, ctx->A); - STORE32_L(p + 24, ctx->B); - STORE32_L(p + 28, ctx->C); - STORE32_L(p + 32, ctx->D); - STORE32_L(p + 36, ctx->E); -} - -/* --- @rmd320_state@ --- * - * - * Arguments: @rmd320_ctx *ctx@ = pointer to context - * @void *state@ = pointer to buffer for current state - * - * Returns: Number of bytes written to the hash function so far. - * - * Use: Returns the current state of the hash function such that - * it can be passed to @rmd320_set@. - */ - -unsigned long rmd320_state(rmd320_ctx *ctx, void *state) -{ - octet *p = state; - STORE32_L(p + 0, ctx->a); - STORE32_L(p + 4, ctx->b); - STORE32_L(p + 8, ctx->c); - STORE32_L(p + 12, ctx->d); - STORE32_L(p + 16, ctx->e); - STORE32_L(p + 20, ctx->A); - STORE32_L(p + 24, ctx->B); - STORE32_L(p + 28, ctx->C); - STORE32_L(p + 32, ctx->D); - STORE32_L(p + 36, ctx->E); - return (ctx->nl | ((ctx->nh << 16) << 16)); -} - -/* --- Generic interface --- */ - -GHASH_DEF(RMD320, rmd320) - -/* --- Test code --- */ - -HASH_TEST(RMD320, rmd320) - -/*----- That's all, folks -------------------------------------------------*/