new makefile and modified build process

[avr-crypto-lib.git] / shabal / shabal512.c

diff --git a/shabal/shabal512.c b/shabal/shabal512.c
new file mode 100644 (file)
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+++ b/shabal/shabal512.c
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+/* shabal512.c */
+/*
+    This file is part of the AVR-Crypto-Lib.
+    Copyright (C) 2009  Daniel Otte (daniel.otte@rub.de)
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/*
+ * \file    shabal512.c
+ * \author  Daniel Otte
+ * \email   daniel.otte@rub.de
+ * \date    2009-04-27
+ * \license GPLv3 or later
+ * 
+ */
+
+#include <stdint.h>
+#include "shabal.h"
+#include <avr/pgmspace.h>
+#include <string.h>
+
+uint32_t shabal512_iv[] PROGMEM = {
+       /* A */ 
+       0x20728DFD, 0x46C0BD53, 0xE782B699, 0x55304632, 
+       0x71B4EF90, 0x0EA9E82C, 0xDBB930F1, 0xFAD06B8B,
+       0xBE0CAE40, 0x8BD14410, 0x76D2ADAC, 0x28ACAB7F,
+       /* B */ 
+       0xC1099CB7, 0x07B385F3, 0xE7442C26, 0xCC8AD640, 
+       0xEB6F56C7, 0x1EA81AA9, 0x73B9D314, 0x1DE85D08,
+       0x48910A5A, 0x893B22DB, 0xC5A0DF44, 0xBBC4324E, 
+       0x72D2F240, 0x75941D99, 0x6D8BDE82, 0xA1A7502B,
+       /* C */
+       0xD9BF68D1, 0x58BAD750, 0x56028CB2, 0x8134F359, 
+       0xB5D469D8, 0x941A8CC2, 0x418B2A6E, 0x04052780,
+       0x7F07D787, 0x5194358F, 0x3C60D665, 0xBE97D79A, 
+       0x950C3434, 0xAED9A06D, 0x2537DC8D, 0x7CDB5969,
+};
+
+void shabal512_init(shabal_ctx_t* ctx){
+       uint8_t i;
+       ctx->b = ctx->b_buffer;
+       ctx->c = ctx->c_buffer;
+       ctx->w.w64 = 1LL;
+       for(i=0;i<SHABAL_R;++i){
+               ctx->a[i] = pgm_read_dword(&(shabal512_iv[i]));
+       }
+       for(i=0;i<16;++i){
+               ctx->b[i] = pgm_read_dword(&(shabal512_iv[SHABAL_R+i]));
+       }
+       for(i=0;i<16;++i){
+               ctx->c[i] = pgm_read_dword(&(shabal512_iv[SHABAL_R+16+i]));
+       }
+}
+
+void shabal512_ctx2hash(void* dest, const shabal_ctx_t* ctx){
+       shabal_ctx2hash(dest, ctx, 512);
+}
+
+void shabal512(void* dest, void* msg, uint32_t length_b){
+       shabal_ctx_t ctx;
+       shabal512_init(&ctx);
+       while(length_b>=SHABAL_BLOCKSIZE){
+               shabal_nextBlock(&ctx, msg);
+               msg = (uint8_t*)msg+SHABAL_BLOCKSIZE_B;
+               length_b -= SHABAL_BLOCKSIZE;
+       }
+       shabal_lastBlock(&ctx, msg, length_b);
+       shabal512_ctx2hash(dest, &ctx);
+}