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merlokk 2018-12-28 18:00:37 +02:00
parent 404f23ddbd
commit 5eafc491ec
2 changed files with 3 additions and 2 deletions
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1
client/emv/cmdemv.c
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@ -1666,6 +1666,7 @@ int CmdEMVRoca(const char *cmd) {
"\x01\x92\xad\xbb\x8e\x11\xc8\x7c\xad\x60\xcd\xef\x00\x37\xce\x99"\
"\x27\x83\x30\xd3\xf4\x71\xa2\x53\x8f\xa6\x67\x80\x2e\xd2\xa3\xc4"\
"\x4a\x8b\x7d\xea\x82\x6e\x88\x8d\x0a\xa3\x41\xfd\x66\x4f\x7f\xa7";
PrintAndLogEx(INFO, "DEMO ICC pk modulus: %s", sprint_hex_inrow(key, 64));
if (emv_rocacheck(key, 64))
PrintAndLogEx(INFO, "DEMO ICC pk is vulnerable by roca.");

4
client/emv/emv_roca.c
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@ -69,7 +69,7 @@ mbedtls_mpi_uint mpi_get_uint(const mbedtls_mpi *X) {
if (X->n == 1 && X->s > 0) {
return X->p[0];
}
printf("ZERRRRO!!!\n");
return 0;
}
@ -89,7 +89,7 @@ bool emv_rocacheck(const unsigned char *buf, size_t buflen) {
MBEDTLS_MPI_CHK( mbedtls_mpi_read_string(&g_one, 10, "1") );
for (int i = 0; i < ROCA_PRINTS_LENGTH; i++) {
printf("--p:%d\n", i);
printf("--roca:%d\n", i);
mbedtls_mpi t_temp;
mbedtls_mpi t_prime;