147 lines
3.7 KiB
C
147 lines
3.7 KiB
C
/*
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* cast5 test-suit
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*
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*/
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#include "config.h"
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#include "serial-tools.h"
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#include "uart.h"
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#include "debug.h"
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#include "cast5.h"
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#include <stdint.h>
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#include <string.h>
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/*****************************************************************************
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* additional validation-functions *
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*****************************************************************************/
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/*****************************************************************************
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* self tests *
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*****************************************************************************/
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void cast5_ctx_dump(cast5_ctx_t *s){
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uint8_t i;
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uart_putstr("\r\n==== cast5_ctx_dump ====\r\n shortkey: ");
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uart_putstr(s->shortkey?"yes":"no");
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for(i=0;i<16;++i){
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uint8_t r;
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uart_putstr("\r\n Km"); uart_hexdump(&i, 1); uart_putc(':');
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uart_hexdump(&(s->mask[i]), 4);
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uart_putstr("\r\n Kr"); uart_hexdump(&i, 1); uart_putc(':');
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r = (s->rotl[i/2]);
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if (i&0x01) r >>= 4;
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r &= 0xf;
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r += (s->roth[i>>3]&(1<<(i&0x7)))?0x10:0x00;
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uart_hexdump(&r, 1);
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}
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}
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void test_encrypt(uint8_t *block, uint8_t *key, uint8_t keylength, bool print){
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cast5_ctx_t s;
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if (print){
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uart_putstr("\r\nCAST5:\r\n key:\t");
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uart_hexdump(key, keylength/8);
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uart_putstr("\r\n plaintext:\t");
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uart_hexdump(block, 8);
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}
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cast5_init(&s, key, keylength);
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// cast5_ctx_dump(&s);
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cast5_enc(&s, block);
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if (print){
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uart_putstr("\r\n ciphertext:\t");
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uart_hexdump(block, 8);
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}
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}
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void test_decrypt(uint8_t *block, uint8_t *key, uint8_t keylength, bool print){
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cast5_ctx_t s;
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if (print){
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uart_putstr("\r\nCAST5:\r\n key:\t");
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uart_hexdump(key, keylength/8);
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uart_putstr("\r\n ciphertext:\t");
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uart_hexdump(block, 8);
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}
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cast5_init(&s, key, keylength);
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// cast5_ctx_dump(&s);
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cast5_dec(&s, block);
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if (print){
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uart_putstr("\r\n plaintext:\t");
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uart_hexdump(block, 8);
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}
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}
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void testrun_cast5(void){
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uint8_t block[8];
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uint8_t key[16];
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uint8_t *tda = (uint8_t*)"\x01\x23\x45\x67\x89\xAB\xCD\xEF",
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*tka = (uint8_t*)"\x01\x23\x45\x67\x12\x34\x56\x78\x23\x45\x67\x89\x34\x56\x78\x9A";
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memcpy(block, tda, 8);
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memcpy(key, tka, 16);
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test_encrypt(block, key, 128, true);
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test_decrypt(block, key, 128, true);
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memcpy(block, tda, 8);
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memcpy(key, tka, 16);
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test_encrypt(block, key, 80, true);
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test_decrypt(block, key, 80, true);
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memcpy(block, tda, 8);
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memcpy(key, tka, 16);
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test_encrypt(block, key, 40, true);
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test_decrypt(block, key, 40, true);
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/**** long test *****/
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uart_putstr("\r\nmaintance-test");
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uint8_t a[16]= {0x01, 0x23, 0x45, 0x67, 0x12,
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0x34, 0x56, 0x78, 0x23, 0x45,
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0x67, 0x89, 0x34, 0x56, 0x78,
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0x9A},
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b[16]= {0x01, 0x23, 0x45, 0x67, 0x12,
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0x34, 0x56, 0x78, 0x23, 0x45,
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0x67, 0x89, 0x34, 0x56, 0x78,
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0x9A};
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uint32_t i;
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for(i=0;i<1000000; ++i){
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test_encrypt(&(a[0]), &(b[0]), 128, false);
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test_encrypt(&(a[8]), &(b[0]), 128, false);
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test_encrypt(&(b[0]), &(a[0]), 128, false);
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test_encrypt(&(b[8]), &(a[0]), 128, false);
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if ((i&0x000000ff) == 0){
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uart_putstr("\r\n");
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uart_hexdump(&i, 4);
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}
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}
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uart_putstr("\r\na = "); uart_hexdump(a, 16);
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uart_putstr("\r\nb = "); uart_hexdump(b, 16);
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}
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/*****************************************************************************
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* main *
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*****************************************************************************/
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int main (void){
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char str[20];
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DEBUG_INIT();
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uart_putstr("\r\n");
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uart_putstr("\r\n\r\nCrypto-VS\r\nloaded and running\r\n");
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restart:
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while(1){
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if (!getnextwordn(str,20)) {DEBUG_S("DBG: W1\r\n"); goto error;}
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if (strcmp(str, "test")) {DEBUG_S("DBG: 1b\r\n"); goto error;}
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testrun_cast5();
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goto restart;
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continue;
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error:
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uart_putstr("ERROR\r\n");
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} /* while (1) */
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}
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