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#include <inttypes.h>
#include <stdio.h>
#include <string.h>
#include "cipher.h"
#include "helpers.h"
struct vector
{
char *name;
uint8_t key[KEY_BYTES];
uint8_t tweak[TWEAK_BYTES];
uint8_t ciphertext[BLOCK_BYTES];
uint8_t message[BLOCK_BYTES];
};
typedef struct vector vector;
/* [0]: LSB */
const vector VECTORS[] = {
{
.name = "order",
.tweak = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17
},
.key = {
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f
},
.ciphertext = {
0x68, 0x4f, 0x71, 0x4a, 0xff, 0xa6, 0xa0, 0x4e,
0xc3, 0x4a, 0x5d, 0x69, 0x49, 0x9d, 0x71, 0xe4
},
.message = {
0x23, 0xc1, 0x5d, 0xa2, 0x39, 0xc6, 0x64, 0x44,
0x17, 0xae, 0x92, 0x2e, 0x0b, 0x00, 0x6a, 0xe6
}
},
{
.name = "random",
.tweak = {
0xa8, 0x43, 0xf3, 0x10, 0x81, 0x11, 0x1c, 0x84,
0xdf, 0xf8, 0x2e, 0xfa, 0x90, 0x90, 0x26, 0x21,
0x7d, 0x8d, 0x43, 0x12, 0x2a, 0xb3, 0xd2, 0x4d
},
.key = {
0xc1, 0x96, 0xc6, 0x0a, 0x02, 0x73, 0x91, 0x68,
0x7f, 0xf4, 0x23, 0x4d, 0x3d, 0xd5, 0xf9, 0x9b
},
.ciphertext = {
0xf5, 0xc3, 0xae, 0xae, 0x23, 0x01, 0x1f, 0xb0,
0xc9, 0x5d, 0x53, 0x26, 0x67, 0xd3, 0xd8, 0xdf
},
.message = {
0xac, 0x40, 0x78, 0x73, 0x74, 0x20, 0xd0, 0xfc,
0xd1, 0x00, 0x67, 0x8e, 0xf7, 0xdd, 0x22, 0x23
}
}
};
int main(int argc, char const * const *argv)
{
if (argc < 2)
{
fprintf(stderr, "usage: %s OUTPUT-FOLDER\n", argv[0]);
return 1;
}
int diff = 0;
for (const vector *v=VECTORS; v<ARRAY_END(VECTORS); v++)
{
FILE *dump = open_dump_file(argv[1], "tbc-decrypt", v->name);
uint8_t message[BLOCK_BYTES];
lilliput_tbc_decrypt(v->key, v->tweak, v->ciphertext, message, dump);
if (memcmp(message, v->message, sizeof(message)) != 0)
{
REPORT_DIFFERENCE(v->name, "decrypted message");
diff++;
}
fclose(dump);
}
return diff;
}
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