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This commit is contained in:
iceman1001 2020-03-11 21:00:19 +01:00
commit dfd408db8d
3 changed files with 21 additions and 10 deletions
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13
client/cmdhficlass.c
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@ -870,19 +870,18 @@ static int CmdHFiClassDecrypt(const char *Cmd) {
PrintAndLogEx(WARNING, "Actual file len " _YELLOW_("%u") "vs HID app-limit len " _YELLOW_("%u"), decryptedlen, applimit * 8);
PrintAndLogEx(INFO, "Setting limit to " _GREEN_("%u"), limit * 8);
}
uint8_t numblocks4userid = GetNumberBlocksForUserId(decrypted + (6 * 8));
for (uint16_t blocknum = 0; blocknum < limit; ++blocknum) {
uint8_t idx = blocknum * 8;
memcpy(enc_data, decrypted + idx, 8);
// block 7 or higher, and not empty 0xFF
// look inside block 6 to determine if aa1 is encrypted.
if (blocknum > 6 && memcmp(enc_data, empty, 8) != 0) {
if (aa1_encryption == RFU || aa1_encryption == None)
continue;
if (aa1_encryption == RFU || aa1_encryption == None)
continue;
// Decrypted block 7,8,9 if configured.
if (blocknum > 6 && blocknum <= 6 + numblocks4userid && memcmp(enc_data, empty, 8) != 0) {
if (use_sc) {
Decrypt(enc_data, decrypted + idx);
} else {