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d40/enc works

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merlokk 2021-07-09 13:14:42 +03:00
parent a7f39a1b79
commit bed25108f6
1 changed files with 16 additions and 0 deletions
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16
client/src/mifare/desfiresecurechan.c
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@ -117,6 +117,22 @@ static void DesfireSecureChannelDecodeD40(DesfireContext *ctx, uint8_t *srcdata,
break;
case DCMEncrypted:
if (srcdatalen < desfire_get_key_block_length(ctx->keyType)) {
memcpy(dstdata, srcdata, srcdatalen);
*dstdatalen = srcdatalen;
return;
}
DesfireCryptoEncDec(ctx, true, srcdata, srcdatalen, dstdata, false);
PrintAndLogEx(INFO, "decoded[%d]: %s", srcdatalen, sprint_hex(dstdata, srcdatalen));
size_t puredatalen = DesfireSearchCRCPos(dstdata, srcdatalen, respcode, 2);
if (puredatalen != 0) {
*dstdatalen = puredatalen;
} else {
PrintAndLogEx(WARNING, "CRC32 error.");
*dstdatalen = srcdatalen;
}
break;
case DCMPlain:
case DACNone: