]> git.cryptolib.org Git - avr-crypto-lib.git/blobdiff - camellia.c
restructuring Makefile +hmac-sha1
[avr-crypto-lib.git] / camellia.c
index 01145d574b1fa441df088de79155cac9efe1d4fd..a6a88d2419c6f499052e0291b6ba7262ca9ea21a 100644 (file)
@@ -1,3 +1,21 @@
+/* camellia.c */
+/*
+    This file is part of the Crypto-avr-lib/microcrypt-lib.
+    Copyright (C) 2008  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/>.
+*/
 /**
  * 
  * 
@@ -21,8 +39,8 @@ uint64_t camellia_fl(uint64_t x, uint64_t k);
 uint64_t camellia_fl_inv(uint64_t y, uint64_t k);
 /*****************************************************************************/
 void change_endian(void* data, uint8_t length);
-
-uint64_t PROGMEM camellia_sigma[6]={ /* 64 byte table */
+/*
+uint64_t PROGMEM camellia_sigma[6]={ / * 64 byte table * /
        0xA09E667F3BCC908BLL,
        0xB67AE8584CAA73B2LL,
        0xC6EF372FE94F82BELL,
@@ -30,10 +48,23 @@ uint64_t PROGMEM camellia_sigma[6]={ /* 64 byte table */
        0x10E527FADE682D1DLL,
        0xB05688C2B3E6C1FDLL
 };     
+*/
+uint32_t PROGMEM camellia_sigma[12]={ /* 64 byte table */
+         0x3BCC908BL, 0xA09E667FL,
+         0x4CAA73B2L, 0xB67AE858L,
+         0xE94F82BEL, 0xC6EF372FL,
+         0xF1D36F1CL, 0x54FF53A5L,
+         0xDE682D1DL, 0x10E527FAL,
+         0xB3E6C1FDL, 0xB05688C2L
+};
 
 /* an ugly macro to load an entry form the table above */
-#define SIGMA(p) (( ((uint64_t)(pgm_read_dword((prog_uint32_t*)camellia_sigma+2*(p)+1)))<<32) + \
-                                   ((uint64_t)(pgm_read_dword((prog_uint32_t*)camellia_sigma+2*(p)+0) )) )
+/*
+#define SIGMA(p) (( ((uint64_t)(pgm_read_dword((prog_uint32_t*)camellia_sigma+2*(p)+1)))<<32) | \
+                    ((uint64_t)(pgm_read_dword((prog_uint32_t*)camellia_sigma+2*(p)+0))) )
+*/
+#define SIGMA(p) (( ((uint64_t)(pgm_read_dword(((prog_uint32_t*)camellia_sigma)[2*(p)+1])))<<32) | \
+                    ((uint64_t)(pgm_read_dword(((prog_uint32_t*)camellia_sigma)[2*(p)+0]))) )
 
 
 
@@ -51,7 +82,7 @@ void camellia128_ctx_dump(camellia128_ctx_t *s){
 /*****************************************************************************/
 /* extern prog_uint64_t camellia_sigma[6]; */
 
-void camellia128_init(camellia128_ctx_t* s, uint8_t* key){
+void camellia128_init(uint8_t* key, camellia128_ctx_t* s){
        uint8_t i;
        s->kll = 0; /* ((uint64_t*)key)[0]; */
        
@@ -103,14 +134,14 @@ void camellia_6rounds(camellia128_ctx_t* s, uint64_t* bl, uint64_t* br, uint8_t
 /*****************************************************************************/
 
 
-void camellia128_enc(camellia128_ctx_t* s, void* block){
+void camellia128_enc(void* block, camellia128_ctx_t* s){
 
        #define BL (((uint64_t*)block)[0])
        #define BR (((uint64_t*)block)[1])
        /* endian adjustment */
         /*BL*/
         /*     1 2 3 4 5 6 7 8
-         *             8 7 6 5 4 3 2 1
+         *     8 7 6 5 4 3 2 1
          */
         
        uint64_t temp64;
@@ -146,6 +177,7 @@ void camellia128_enc(camellia128_ctx_t* s, void* block){
        BR = BL;
        BL = temp64;
 
+       camellia128_keyop(s,1);
        
        change_endian(&BL, 64/8);       
        change_endian(&BR, 64/8);
@@ -156,7 +188,7 @@ void camellia128_enc(camellia128_ctx_t* s, void* block){
 
 /*****************************************************************************/
 
-void camellia128_dec(camellia128_ctx_t* s, void* block){
+void camellia128_dec(void* block, camellia128_ctx_t* s){
 
        #define BL (((uint64_t*)block)[1])
        #define BR (((uint64_t*)block)[0])