+++ /dev/null
-/*
- * The contents of this file are subject to the Mozilla Public
- * License Version 1.1 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of
- * the License at http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS
- * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
- * implied. See the License for the specific language governing
- * rights and limitations under the License.
- *
- * The Original Code is SHA 180-1 Reference Implementation (Compact version)
- *
- * The Initial Developer of the Original Code is Paul Kocher of
- * Cryptography Research. Portions created by Paul Kocher are
- * Copyright (C) 1995-9 by Cryptography Research, Inc. All
- * Rights Reserved.
- *
- * Contributor(s):
- *
- * Paul Kocher
- *
- */
-
-#include "sha1.h"
-
-static void shaHashBlock(SHA_CTX2 *ctx);
-
-void
-SHA1_Init2(SHA_CTX2 *ctx) {
- int i;
-
- ctx->lenW = 0;
- ctx->sizeHi = ctx->sizeLo = 0;
-
- /* Initialize H with the magic constants (see FIPS180 for constants)
- */
- ctx->H[0] = 0x67452301;
- ctx->H[1] = 0xefcdab89;
- ctx->H[2] = 0x98badcfe;
- ctx->H[3] = 0x10325476;
- ctx->H[4] = 0xc3d2e1f0;
-
- for (i = 0; i < 80; i++)
- ctx->W[i] = 0;
-}
-
-void
-SHA1_Update2(SHA_CTX2 *ctx,
- void *_dataIn,
- int len) {
- unsigned char *dataIn = _dataIn;
- int i;
-
- /* Read the data into W and process blocks as they get full
- */
- for (i = 0; i < len; i++) {
- ctx->W[ctx->lenW / 4] <<= 8;
- ctx->W[ctx->lenW / 4] |= (unsigned int)dataIn[i];
- if ((++ctx->lenW) % 64 == 0)
- {
- shaHashBlock(ctx);
- ctx->lenW = 0;
- }
- ctx->sizeLo += 8;
- ctx->sizeHi += (ctx->sizeLo < 8);
- }
-}
-
-void
-SHA1_Final2(unsigned char hashout[20],
- SHA_CTX2 *ctx) {
- unsigned char pad0x80 = 0x80;
- unsigned char pad0x00 = 0x00;
- unsigned char padlen[8];
- int i;
-
- /* Pad with a binary 1 (e.g. 0x80), then zeroes, then length
- */
- padlen[0] = (unsigned char)((ctx->sizeHi >> 24) & 255);
- padlen[1] = (unsigned char)((ctx->sizeHi >> 16) & 255);
- padlen[2] = (unsigned char)((ctx->sizeHi >> 8) & 255);
- padlen[3] = (unsigned char)((ctx->sizeHi >> 0) & 255);
- padlen[4] = (unsigned char)((ctx->sizeLo >> 24) & 255);
- padlen[5] = (unsigned char)((ctx->sizeLo >> 16) & 255);
- padlen[6] = (unsigned char)((ctx->sizeLo >> 8) & 255);
- padlen[7] = (unsigned char)((ctx->sizeLo >> 0) & 255);
- SHA1_Update2(ctx, &pad0x80, 1);
- while (ctx->lenW != 56)
- SHA1_Update2(ctx, &pad0x00, 1);
- SHA1_Update2(ctx, padlen, 8);
-
- /* Output hash
- */
- for (i = 0; i < 20; i++) {
- hashout[i] = (unsigned char)(ctx->H[i / 4] >> 24);
- ctx->H[i / 4] <<= 8;
- }
-
- /*
- * Re-initialize the context (also zeroizes contents)
- */
- SHA1_Init2(ctx);
-}
-
-#define SHA_ROT(X, n) (((X) << (n)) | ((X) >> (32 - (n))))
-
-static void
-shaHashBlock(SHA_CTX2 *ctx) {
- int t;
- unsigned int A, B, C, D, E, TEMP;
-
- for (t = 16; t <= 79; t++)
- ctx->W[t] =
- SHA_ROT(ctx->W[t - 3] ^ ctx->W[t - 8] ^ ctx->W[t - 14] ^ ctx->W[t - 16], 1);
-
- A = ctx->H[0];
- B = ctx->H[1];
- C = ctx->H[2];
- D = ctx->H[3];
- E = ctx->H[4];
-
- for (t = 0; t <= 19; t++) {
- TEMP = SHA_ROT(A, 5) + (((C ^ D) & B) ^ D) + E + ctx->W[t] + 0x5a827999;
- E = D; D = C; C = SHA_ROT(B, 30); B = A; A = TEMP;
- }
- for (t = 20; t <= 39; t++) {
- TEMP = SHA_ROT(A, 5) + (B ^ C ^ D) + E + ctx->W[t] + 0x6ed9eba1;
- E = D; D = C; C = SHA_ROT(B, 30); B = A; A = TEMP;
- }
- for (t = 40; t <= 59; t++) {
- TEMP = SHA_ROT(A, 5) + ((B & C) | (D & (B | C))) + E + ctx->W[t] + 0x8f1bbcdc;
- E = D; D = C; C = SHA_ROT(B, 30); B = A; A = TEMP;
- }
- for (t = 60; t <= 79; t++) {
- TEMP = SHA_ROT(A, 5) + (B ^ C ^ D) + E + ctx->W[t] + 0xca62c1d6;
- E = D; D = C; C = SHA_ROT(B, 30); B = A; A = TEMP;
- }
-
- ctx->H[0] += A;
- ctx->H[1] += B;
- ctx->H[2] += C;
- ctx->H[3] += D;
- ctx->H[4] += E;
-}
-
+++ /dev/null
-/*
- * The contents of this file are subject to the Mozilla Public
- * License Version 1.1 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of
- * the License at http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS
- * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
- * implied. See the License for the specific language governing
- * rights and limitations under the License.
- *
- * The Original Code is SHA 180-1 Header File
- *
- * The Initial Developer of the Original Code is Paul Kocher of
- * Cryptography Research. Portions created by Paul Kocher are
- * Copyright (C) 1995-9 by Cryptography Research, Inc. All
- * Rights Reserved.
- *
- * Contributor(s):
- *
- * Paul Kocher
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL"), in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your
- * version of this file only under the terms of the GPL and not to
- * allow others to use your version of this file under the MPL,
- * indicate your decision by deleting the provisions above and
- * replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient
- * may use your version of this file under either the MPL or the
- * GPL.
- */
-
-#ifndef SHA_H
-#define SHA_H
-
-#ifdef HAVE_CONFIG_H
-# include "config.h"
-#endif
-
-typedef struct {
- unsigned int H[5];
- unsigned int W[80];
- int lenW;
- unsigned int sizeHi,sizeLo;
-} SHA_CTX2;
-
-void SHA1_Init2(SHA_CTX2 *ctx);
-void SHA1_Update2(SHA_CTX2 *ctx, void *dataIn, int len);
-void SHA1_Final2(unsigned char hashout[20], SHA_CTX2 *ctx);
-
-#endif