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added checks for unknown public keys

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This commit is contained in:
iceman1001
2020-04-01 15:54:59 +02:00
parent 07d16bba51
commit cc6fda9b75
3 changed files with 202 additions and 88 deletions
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146
client/cmdhfmfu.c
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@@ -262,57 +262,6 @@ uint8_t default_pwd_pack[][4] = {
{0xFF, 0xFF, 0xFF, 0xFF}, // PACK 0x00,0x00 -- factory default
};
#define PUBLIC_ECDA_KEYLEN 33
// known public keys for the originality check (source: https://github.com/alexbatalov/node-nxp-originality-verifier)
// ref: AN11350 NTAG 21x Originality Signature Validation
// ref: AN11341 MIFARE Ultralight EV1 Originality Signature Validation
uint8_t nxp_mfu_public_keys[6][PUBLIC_ECDA_KEYLEN] = {
// UL, NTAG21x and NDEF
{
0x04, 0x49, 0x4e, 0x1a, 0x38, 0x6d, 0x3d, 0x3c,
0xfe, 0x3d, 0xc1, 0x0e, 0x5d, 0xe6, 0x8a, 0x49,
0x9b, 0x1c, 0x20, 0x2d, 0xb5, 0xb1, 0x32, 0x39,
0x3e, 0x89, 0xed, 0x19, 0xfe, 0x5b, 0xe8, 0xbc, 0x61
},
// UL EV1
{
0x04, 0x90, 0x93, 0x3b, 0xdc, 0xd6, 0xe9, 0x9b,
0x4e, 0x25, 0x5e, 0x3d, 0xa5, 0x53, 0x89, 0xa8,
0x27, 0x56, 0x4e, 0x11, 0x71, 0x8e, 0x01, 0x72,
0x92, 0xfa, 0xf2, 0x32, 0x26, 0xa9, 0x66, 0x14, 0xb8
},
// unknown. Needs identification
{
0x04, 0x4F, 0x6D, 0x3F, 0x29, 0x4D, 0xEA, 0x57,
0x37, 0xF0, 0xF4, 0x6F, 0xFE, 0xE8, 0x8A, 0x35,
0x6E, 0xED, 0x95, 0x69, 0x5D, 0xD7, 0xE0, 0xC2,
0x7A, 0x59, 0x1E, 0x6F, 0x6F, 0x65, 0x96, 0x2B, 0xAF
},
// unknown. Needs identification
{
0x04, 0xA7, 0x48, 0xB6, 0xA6, 0x32, 0xFB, 0xEE,
0x2C, 0x08, 0x97, 0x70, 0x2B, 0x33, 0xBE, 0xA1,
0xC0, 0x74, 0x99, 0x8E, 0x17, 0xB8, 0x4A, 0xCA,
0x04, 0xFF, 0x26, 0x7E, 0x5D, 0x2C, 0x91, 0xF6, 0xDC
},
// manufacturer public key
{
0x04, 0x6F, 0x70, 0xAC, 0x55, 0x7F, 0x54, 0x61,
0xCE, 0x50, 0x52, 0xC8, 0xE4, 0xA7, 0x83, 0x8C,
0x11, 0xC7, 0xA2, 0x36, 0x79, 0x7E, 0x8A, 0x07,
0x30, 0xA1, 0x01, 0x83, 0x7C, 0x00, 0x40, 0x39, 0xC2
},
// MIKRON public key.
{
0x04, 0xf9, 0x71, 0xed, 0xa7, 0x42, 0xa4, 0xa8,
0x0d, 0x32, 0xdc, 0xf6, 0xa8, 0x14, 0xa7, 0x07,
0xcc, 0x3d, 0xc3, 0x96, 0xd3, 0x59, 0x02, 0xf7,
0x29, 0x29, 0xfd, 0xcd, 0x69, 0x8b, 0x34, 0x68, 0xf2
}
};
uint32_t UL_TYPES_ARRAY[] = {
UNKNOWN, UL, UL_C, UL_EV1_48, UL_EV1_128, NTAG,
NTAG_203, NTAG_210, NTAG_212, NTAG_213, NTAG_215, NTAG_216,
@@ -915,19 +864,98 @@ static int ulev1_print_counters() {
}
static int ulev1_print_signature(TagTypeUL_t tagtype, uint8_t *uid, uint8_t *signature, size_t signature_len) {
uint8_t public_key = 0;
if (tagtype == UL_EV1_48 || tagtype == UL_EV1_128) {
public_key = 1;
#define PUBLIC_ECDA_KEYLEN 33
// known public keys for the originality check (source: https://github.com/alexbatalov/node-nxp-originality-verifier)
// ref: AN11350 NTAG 21x Originality Signature Validation
// ref: AN11341 MIFARE Ultralight EV1 Originality Signature Validation
uint8_t nxp_mfu_public_keys[6][PUBLIC_ECDA_KEYLEN] = {
// UL, NTAG21x and NDEF
{
0x04, 0x49, 0x4e, 0x1a, 0x38, 0x6d, 0x3d, 0x3c,
0xfe, 0x3d, 0xc1, 0x0e, 0x5d, 0xe6, 0x8a, 0x49,
0x9b, 0x1c, 0x20, 0x2d, 0xb5, 0xb1, 0x32, 0x39,
0x3e, 0x89, 0xed, 0x19, 0xfe, 0x5b, 0xe8, 0xbc, 0x61
},
// UL EV1
{
0x04, 0x90, 0x93, 0x3b, 0xdc, 0xd6, 0xe9, 0x9b,
0x4e, 0x25, 0x5e, 0x3d, 0xa5, 0x53, 0x89, 0xa8,
0x27, 0x56, 0x4e, 0x11, 0x71, 0x8e, 0x01, 0x72,
0x92, 0xfa, 0xf2, 0x32, 0x26, 0xa9, 0x66, 0x14, 0xb8
},
// unknown. Needs identification
{
0x04, 0x4F, 0x6D, 0x3F, 0x29, 0x4D, 0xEA, 0x57,
0x37, 0xF0, 0xF4, 0x6F, 0xFE, 0xE8, 0x8A, 0x35,
0x6E, 0xED, 0x95, 0x69, 0x5D, 0xD7, 0xE0, 0xC2,
0x7A, 0x59, 0x1E, 0x6F, 0x6F, 0x65, 0x96, 0x2B, 0xAF
},
// unknown. Needs identification
{
0x04, 0xA7, 0x48, 0xB6, 0xA6, 0x32, 0xFB, 0xEE,
0x2C, 0x08, 0x97, 0x70, 0x2B, 0x33, 0xBE, 0xA1,
0xC0, 0x74, 0x99, 0x8E, 0x17, 0xB8, 0x4A, 0xCA,
0x04, 0xFF, 0x26, 0x7E, 0x5D, 0x2C, 0x91, 0xF6, 0xDC
},
// manufacturer public key
{
0x04, 0x6F, 0x70, 0xAC, 0x55, 0x7F, 0x54, 0x61,
0xCE, 0x50, 0x52, 0xC8, 0xE4, 0xA7, 0x83, 0x8C,
0x11, 0xC7, 0xA2, 0x36, 0x79, 0x7E, 0x8A, 0x07,
0x30, 0xA1, 0x01, 0x83, 0x7C, 0x00, 0x40, 0x39, 0xC2
},
// MIKRON public key.
{
0x04, 0xf9, 0x71, 0xed, 0xa7, 0x42, 0xa4, 0xa8,
0x0d, 0x32, 0xdc, 0xf6, 0xa8, 0x14, 0xa7, 0x07,
0xcc, 0x3d, 0xc3, 0x96, 0xd3, 0x59, 0x02, 0xf7,
0x29, 0x29, 0xfd, 0xcd, 0x69, 0x8b, 0x34, 0x68, 0xf2
}
};
uint8_t i;
int res;
bool is_valid = false;
for (i = 0; i< ARRAYLEN(nxp_mfu_public_keys); i++) {
res = ecdsa_signature_r_s_verify(MBEDTLS_ECP_DP_SECP128R1, nxp_mfu_public_keys[i], uid, 7, signature, signature_len, false);
is_valid = (res == 0);
if (is_valid)
break;
}
if (is_valid == false) {
PrintAndLogEx(SUCCESS, "Signature verification " _RED_("failed"));
return PM3_ESOFT;
}
char *publickeyname;
switch(i) {
case 0:
publickeyname = "NXP NTAG21x (2013)";
break;
case 1:
publickeyname = "NXP Ev1";
break;
case 4:
publickeyname = "Manufacturer, post on forum";
break;
case 5:
publickeyname = "MIKRON";
break;
default:
publickeyname = "Unknown, post on forum";
break;
}
int res = ecdsa_signature_r_s_verify(MBEDTLS_ECP_DP_SECP128R1, nxp_mfu_public_keys[public_key], uid, 7, signature, signature_len, false);
bool is_valid = (res == 0);
PrintAndLogEx(INFO, "\n--- Tag Signature");
PrintAndLogEx(INFO, "IC signature public key name : NXP NTAG21x (2013)");
PrintAndLogEx(INFO, "IC signature public key value : %s", sprint_hex(nxp_mfu_public_keys[public_key], PUBLIC_ECDA_KEYLEN));
PrintAndLogEx(INFO, "IC signature public key name : %s", publickeyname);
PrintAndLogEx(INFO, "IC signature public key value : %s", sprint_hex(nxp_mfu_public_keys[i], PUBLIC_ECDA_KEYLEN));
PrintAndLogEx(INFO, " Elliptic curve parameters : NID_secp128r1");
PrintAndLogEx(INFO, " TAG IC Signature : %s", sprint_hex(signature, signature_len));
PrintAndLogEx(SUCCESS, "Signature verified %s", (is_valid) ? _GREEN_("successful") : _RED_("failed"));
PrintAndLogEx(SUCCESS, "Signature verified " _GREEN_("successful"));
return PM3_SUCCESS;
}