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CMD_MIFARE_ACQUIRE_ENCRYPTED_NONCES needs 6 bytes of data.

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used as SendCommandMIX(CMD_MIFARE_ACQUIRE_ENCRYPTED_NONCES, blockNo + keyType * 0x100, trgBlockNo + trgKeyType * 0x100, 4, NULL, 0);
sent to MifareAcquireEncryptedNonces(packet->oldarg[0], packet->oldarg[1], packet->oldarg[2], packet->data.asBytes);
void MifareAcquireEncryptedNonces(uint32_t arg0, uint32_t arg1, uint32_t flags, uint8_t *datain) {
  [...]
  uint64_t ui64Key = bytes_to_num(datain, 6);

=> we should always send 6 bytes for "bytes_to_num"
This commit is contained in:
Philippe Teuwen
2019-05-13 23:11:05 +02:00
parent d05cd5ff2b
commit ff7cd9d84d
1 changed files with 3 additions and 2 deletions
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5
client/cmdhfmfhard.c
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@@ -1385,15 +1385,16 @@ static int acquire_nonces(uint8_t blockNo, uint8_t keyType, uint8_t *key, uint8_
flags |= field_off ? 0x0004 : 0;
clearCommandBuffer();
SendCommandOLD(CMD_MIFARE_ACQUIRE_ENCRYPTED_NONCES, blockNo + keyType * 0x100, trgBlockNo + trgKeyType * 0x100, flags, key, 6);
SendCommandMIX(CMD_MIFARE_ACQUIRE_ENCRYPTED_NONCES, blockNo + keyType * 0x100, trgBlockNo + trgKeyType * 0x100, flags, key, 6);
if (field_off) break;
if (initialize) {
if (!WaitForResponseTimeout(CMD_ACK, &resp, 3000)) {
uint8_t nullkey[6] = {0};
//strange second call (iceman)
clearCommandBuffer();
SendCommandMIX(CMD_MIFARE_ACQUIRE_ENCRYPTED_NONCES, blockNo + keyType * 0x100, trgBlockNo + trgKeyType * 0x100, 4, NULL, 0);
SendCommandMIX(CMD_MIFARE_ACQUIRE_ENCRYPTED_NONCES, blockNo + keyType * 0x100, trgBlockNo + trgKeyType * 0x100, 4, nullkey, sizeof(nullkey));
return 1;
}
if (resp.oldarg[0]) return resp.oldarg[0]; // error during nested_hard