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#include <inttypes.h>
#include <stdio.h>
#include "tweakey.h"
#define ARRAY_NB(A) (sizeof(A)/sizeof(A[0]))
#define ARRAY_END(A) (A+ARRAY_NB(A))
#define ROUNDS 32
struct vector_input
{
char * name;
uint8_t key[KEY_BYTES];
uint8_t tweak[TWEAK_BYTES];
};
typedef struct vector_input vector_input;
/* [0]: LSB */
vector_input VECTORS[] = {
{
.name = "full",
.tweak = {
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
},
.key = {
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff
}
},
{
.name = "null",
.tweak = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
},
.key = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
}
},
{
.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
}
},
{
.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
}
}
};
FILE* open_dump_file(const char *folder, const char *name)
{
char filename[128];
snprintf(filename, sizeof(filename), "%s/tweakey_%s.txt", folder, name);
return fopen(filename, "w");
}
int main(int argc, char const * const *argv)
{
if (argc < 2)
{
fprintf(stderr, "usage: %s OUTPUT-FOLDER\n", argv[0]);
return 1;
}
for (vector_input* input=VECTORS; input<ARRAY_END(VECTORS); input++)
{
printf("%s\n", input->name);
FILE* dump = open_dump_file(argv[1], input->name);
fprintf(dump, "Building Tweakey :\n");
tweakey_state tk;
tweakey_state_init(&tk, input->key, input->tweak, dump);
fprintf(dump, "Tweakey Schedule\n");
uint8_t rtk[ROUND_TWEAKEY_BYTES];
tweakey_state_extract(&tk, rtk, 0);
for (uint8_t i=1; i<ROUNDS; i++)
{
fprintf(dump, " Round Tweakey %"PRIu8"\n", i);
tweakey_state_update(&tk);
tweakey_state_extract(&tk, rtk, i);
}
fclose(dump);
}
}
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