new makefile and modified build process

[avr-crypto-lib.git] / shabal / shabal384.c

diff --git a/shabal/shabal384.c b/shabal/shabal384.c
new file mode 100644 (file)
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--- /dev/null
+++ b/shabal/shabal384.c
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+/* shabal384.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    shabal384.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 shabal384_iv[] PROGMEM = {
+       /* A */ 
+       0xC8FCA331, 0xE55C504E, 0x003EBF26, 0xBB6B8D83, 
+       0x7B0448C1, 0x41B82789, 0x0A7C9601, 0x8D659CFF,
+       0xB6E2673E, 0xCA54C77B, 0x1460FD7E, 0x3FCB8F2D,
+       /* B */ 
+       0x527291FC, 0x2A16455F, 0x78E627E5, 0x944F169F, 
+       0x1CA6F016, 0xA854EA25, 0x8DB98ABE, 0xF2C62641,
+    0x30117DCB, 0xCF5C4309, 0x93711A25, 0xF9F671B8, 
+       0xB01D2116, 0x333F4B89, 0xB285D165, 0x86829B36,
+       /* C */ 
+       0xF764B11A, 0x76172146, 0xCEF6934D, 0xC6D28399, 
+       0xFE095F61, 0x5E6018B4, 0x5048ECF5, 0x51353261,
+    0x6E6E36DC, 0x63130DAD, 0xA9C69BD6, 0x1E90EA0C, 
+       0x7C35073B, 0x28D95E6D, 0xAA340E0D, 0xCB3DEE70
+};
+
+void shabal384_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(&(shabal384_iv[i]));
+       }
+       for(i=0;i<16;++i){
+               ctx->b[i] = pgm_read_dword(&(shabal384_iv[SHABAL_R+i]));
+       }
+       for(i=0;i<16;++i){
+               ctx->c[i] = pgm_read_dword(&(shabal384_iv[SHABAL_R+16+i]));
+       }
+}
+
+void shabal384_ctx2hash(void* dest, const shabal_ctx_t* ctx){
+       shabal_ctx2hash(dest, ctx, 384);
+}
+
+void shabal384(void* dest, void* msg, uint32_t length_b){
+       shabal_ctx_t ctx;
+       shabal384_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);
+       shabal384_ctx2hash(dest, &ctx);
+}