+fix camellia-encrytion bug (state was modifyed by encryption routine)
+some code enhancements (remove of // comments, ...)
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38806fc750
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6
Makefile
6
Makefile
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@ -1,12 +1,12 @@
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PRG = rc6
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PRG = camellia
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# camellia
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# cryptotest
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# OBJ = main-camellia-test.o debug.o uart.o serial-tools.o camellia.o camellia-asm.o
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OBJ = main-camellia-test.o debug.o uart.o serial-tools.o camellia.o camellia-asm.o
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# main-skipjack-test.o debug.o uart.o serial-tools.o skipjack.o
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# main-sha1-test.o debug.o uart.o serial-tools.o sha1-asm.o
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# main-md5-test.o debug.o uart.o serial-tools.o md5.o
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# main-cast5-test.o debug.o uart.o serial-tools.o cast5.o
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OBJ = main-rc6-test.o debug.o uart.o serial-tools.o rc6.o
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# OBJ = main-rc6-test.o debug.o uart.o serial-tools.o rc6.o
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# main.o debug.o uart.o serial-tools.o sha256-asm.o xtea-asm.o arcfour-asm.o prng.o cast5.o
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MCU_TARGET = atmega32
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OPTIMIZE = -Os
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39
camellia.c
39
camellia.c
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@ -22,7 +22,7 @@ uint64_t camellia_fl_inv(uint64_t y, uint64_t k);
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/*****************************************************************************/
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void change_endian(void* data, uint8_t length);
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uint64_t camellia_sigma[6]={
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uint64_t PROGMEM camellia_sigma[6]={ /* 64 byte table */
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0xA09E667F3BCC908BLL,
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0xB67AE8584CAA73B2LL,
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0xC6EF372FE94F82BELL,
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@ -31,26 +31,31 @@ uint64_t camellia_sigma[6]={
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0xB05688C2B3E6C1FDLL
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};
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/* an ugly macro to load an entry form the table above */
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#define SIGMA(p) (( ((uint64_t)(pgm_read_dword((prog_uint32_t*)camellia_sigma+2*(p)+1)))<<32) + \
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((uint64_t)(pgm_read_dword((prog_uint32_t*)camellia_sigma+2*(p)+0) )) )
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/*****************************************************************************/
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void camellia128_ctx_dump(camellia128_ctx_t *s){
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uart_putstr("\r\n==State Dump==");
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uart_putstr("\n\rKAl: "); uart_hexdump(&(s->kal), 8);
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uart_putstr("\n\rKAr: "); uart_hexdump(&(s->kar), 8);
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uart_putstr("\n\rKLl: "); uart_hexdump(&(s->kll), 8);
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uart_putstr("\n\rKLr: "); uart_hexdump(&(s->klr), 8);
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uart_putstr_P(PSTR("\r\n==State Dump=="));
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uart_putstr_P(PSTR("\n\rKAl: ")); uart_hexdump(&(s->kal), 8);
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uart_putstr_P(PSTR("\n\rKAr: ")); uart_hexdump(&(s->kar), 8);
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uart_putstr_P(PSTR("\n\rKLl: ")); uart_hexdump(&(s->kll), 8);
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uart_putstr_P(PSTR("\n\rKLr: ")); uart_hexdump(&(s->klr), 8);
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return;
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}
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/*****************************************************************************/
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//*
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//extern prog_uint64_t camellia_sigma[6];
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/* extern prog_uint64_t camellia_sigma[6]; */
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void camellia128_init(camellia128_ctx_t* s, uint8_t* key){
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uint8_t i;
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s->kll = 0; //((uint64_t*)key)[0];
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s->kll = 0; /* ((uint64_t*)key)[0]; */
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// / * load the key, endian-adjusted, to kll,klr * /
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/* load the key, endian-adjusted, to kll,klr */
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for(i=0; i<8; ++i){
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s->kll <<= 8;
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s->kll |= *key++;
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@ -59,22 +64,20 @@ void camellia128_init(camellia128_ctx_t* s, uint8_t* key){
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s->klr <<= 8;
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s->klr |= *key++;
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}
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s->kal = s->kll;
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s->kar = s->klr;
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s->kar ^= camellia_f(s->kal, camellia_sigma[0]);
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s->kal ^= camellia_f(s->kar, camellia_sigma[1]);
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s->kar ^= camellia_f(s->kal, SIGMA(0));
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s->kal ^= camellia_f(s->kar, SIGMA(1));
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s->kal ^= s->kll;
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s->kar ^= s->klr;
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s->kar ^= camellia_f(s->kal, camellia_sigma[2]);
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s->kal ^= camellia_f(s->kar, camellia_sigma[3]);
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// / ** /
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// uart_putstr("\n\r----------------init finished--------------------");
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s->kar ^= camellia_f(s->kal, SIGMA(2));
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s->kal ^= camellia_f(s->kar, SIGMA(3));
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}
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//*/
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/*****************************************************************************/
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void camellia128_keyop(camellia128_ctx_t* s, int8_t q);
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/*****************************************************************************/
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