new makefile and modified build process

[avr-crypto-lib.git] / shabal / shabal224.c

diff --git a/shabal/shabal224.c b/shabal/shabal224.c
new file mode 100644 (file)
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+++ b/shabal/shabal224.c
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+/* shabal224.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    shabal224.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 shabal224_iv[] PROGMEM = {
+       /* A */
+       0xA5201467, 0xA9B8D94A, 0xD4CED997, 0x68379D7B, 
+       0xA7FC73BA, 0xF1A2546B, 0x606782BF, 0xE0BCFD0F,
+       0x2F25374E, 0x069A149F, 0x5E2DFF25, 0xFAECF061,
+       /* B */ 
+       0xEC9905D8, 0xF21850CF, 0xC0A746C8, 0x21DAD498,
+       0x35156EEB, 0x088C97F2, 0x26303E40, 0x8A2D4FB5,
+    0xFEEE44B6, 0x8A1E9573, 0x7B81111A, 0xCBC139F0, 
+       0xA3513861, 0x1D2C362E, 0x918C580E, 0xB58E1B9C,
+       /* C */
+       0xE4B573A1, 0x4C1A0880, 0x1E907C51, 0x04807EFD, 
+       0x3AD8CDE5, 0x16B21302, 0x02512C53, 0x2204CB18,
+    0x99405F2D, 0xE5B648A1, 0x70AB1D43, 0xA10C25C2, 
+       0x16F1AC05, 0x38BBEB56, 0x9B01DC60, 0xB1096D83
+};
+
+void shabal224_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(&(shabal224_iv[i]));
+       }
+       for(i=0;i<16;++i){
+               ctx->b[i] = pgm_read_dword(&(shabal224_iv[SHABAL_R+i]));
+       }
+       for(i=0;i<16;++i){
+               ctx->c[i] = pgm_read_dword(&(shabal224_iv[SHABAL_R+16+i]));
+       }
+}
+
+void shabal224_ctx2hash(void* dest, const shabal_ctx_t* ctx){
+       shabal_ctx2hash(dest, ctx, 224);
+}
+
+void shabal224(void* dest, void* msg, uint32_t length_b){
+       shabal_ctx_t ctx;
+       shabal224_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);
+       shabal224_ctx2hash(dest, &ctx);
+}