RfidResearchGroup/proxmark3
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This commit is contained in:
merlokk 2018-12-28 20:06:18 +02:00
parent 44343d806f
commit e315328625
1 changed files with 2 additions and 9 deletions
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11
client/emv/emv_roca.c
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@ -92,11 +92,8 @@ bool emv_rocacheck(const unsigned char *buf, size_t buflen) {
rocacheck_init();
MBEDTLS_MPI_CHK( mbedtls_mpi_read_binary(&t_modulus, buf, buflen) );
print_mpi("--t_modulus:", 16, &t_modulus);
for (int i = 0; i < ROCA_PRINTS_LENGTH; i++) {
printf("--roca:%d\n", i);
mbedtls_mpi t_temp;
mbedtls_mpi t_prime;
@ -109,17 +106,13 @@ printf("--roca:%d\n", i);
MBEDTLS_MPI_CHK( mbedtls_mpi_read_string(&g_one, 10, "1") );
MBEDTLS_MPI_CHK( mbedtls_mpi_add_int(&t_prime, &t_prime, g_primes[i]) );
print_mpi("--t_prime:", 10, &t_prime);
MBEDTLS_MPI_CHK( mbedtls_mpi_mod_mpi(&t_temp, &t_modulus, &t_prime) );
print_mpi("--t_temp:", 10, &t_temp);
MBEDTLS_MPI_CHK( mbedtls_mpi_shift_l(&g_one, mpi_get_uint(&t_temp)) );
print_mpi("--g_one:", 10, &g_one);
print_mpi("--g_prints:", 10, &g_prints[i]);
if (bitand_is_zero(&t_temp, &g_prints[i])) {
PrintAndLogEx(FAILED, "No fingerprint found\n");
if (bitand_is_zero(&g_one, &g_prints[i])) {
PrintAndLogEx(FAILED, "No fingerprint found.\n");
ret = false;
goto cleanup;
}