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started to add touch nd go keygen algo from metrodroid

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This commit is contained in:
iceman1001 2021-02-04 22:02:07 +01:00
commit 63739b25d3
3 changed files with 25 additions and 1 deletions
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16
common/generator.c
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@ -465,7 +465,6 @@ int mfdes_kdf_input_gallagher(uint8_t *uid, uint8_t uidLen, uint8_t keyNo, uint3
return PM3_SUCCESS;
}
int mfc_generate4b_nuid(uint8_t *uid, uint8_t *nuid) {
uint16_t crc;
uint8_t b1, b2;
@ -481,6 +480,21 @@ int mfc_generate4b_nuid(uint8_t *uid, uint8_t *nuid) {
return PM3_SUCCESS;
}
int mfc_algo_touch_one(uint8_t *uid, uint8_t sector, uint8_t keytype, uint64_t *key) {
if (uid == NULL) return PM3_EINVARG;
if (key == NULL) return PM3_EINVARG;
*key = (
(uint64_t)(uid[1] ^ uid[2] ^ uid[3]) << 40 |
(uint64_t)uid[1] << 32 |
(uint64_t)uid[2] << 24 |
(uint64_t)(((uid[0] + uid[1] + uid[2] + uid[3]) % 0x100) ^ uid[3]) << 16 |
(uint64_t)0 << 8 |
(uint64_t)0
);
return PM3_SUCCESS;
}
//------------------------------------
// Self tests
//------------------------------------

2
common/generator.h
View file

@ -43,6 +43,8 @@ int mfc_algo_sky_all(uint8_t *uid, uint8_t *keys);
int mfc_generate4b_nuid(uint8_t *uid, uint8_t *nuid);
int mfc_algo_touch_one(uint8_t *uid, uint8_t sector, uint8_t keytype, uint64_t *key);
uint32_t lf_t55xx_white_pwdgen(uint32_t id);
int mfdes_kdf_input_gallagher(uint8_t *uid, uint8_t uidLen, uint8_t keyNo, uint32_t aid, uint8_t *kdfInputOut, uint8_t *kdfInputLen);