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#include <stdint.h>
#include <stdio.h>
#include "tweakey.h"
#define ARRAY_NB(A) (sizeof(A)/sizeof(A[0]))
#define ARRAY_END(A) (A+ARRAY_NB(A))
struct vector_input
{
char * name;
uint8_t key[KEY_LENGTH_BITS/8];
uint8_t tweak[TWEAK_LENGTH_BITS/8];
};
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 = {
0xcf, 0x4c, 0xd4, 0x0b, 0x5e, 0x04, 0x2d, 0x26,
0xa5, 0x19, 0x5b, 0x52, 0x73, 0xff, 0x12, 0xd2,
0x39, 0x33, 0x28, 0x90, 0xc5, 0x0e, 0x33, 0x25
},
.key = {
0xa2, 0x28, 0x13, 0x19, 0x00, 0xd1, 0xf1, 0xf3,
0xa9, 0xca, 0x44, 0x73, 0x56, 0x16, 0xae, 0xb4,
}
}
};
FILE* open_dump_file(const char * name)
{
char filename[128];
snprintf(filename, sizeof(filename), "tweakey_%s.txt", name);
return fopen(filename, "w");
}
int main()
{
for (vector_input* input=VECTORS; input<ARRAY_END(VECTORS); input++)
{
printf("%s\n", input->name);
FILE* dump = open_dump_file(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_BITS/8];
for (uint8_t i=0; i<32; i++)
{
tweakey_state_extract(&tk, rtk, i);
tweakey_state_update(&tk);
}
tweakey_state_extract(&tk, rtk, 32);
fclose(dump);
}
}
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