Questions tagged [tlv]

TLV is the short for Type Length Value. It is a technique mostly used to encode optional information within data communication protocols.

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Cant parse smart card Get Response (TLV)

I have been playing a little with a smart card i got, I did SELECT command on 3F00, and right after that GET RESPONSE command and got this data: 85 17 00 01 00 00 00 12 12 00 00 01 03 01 01 00 60 60 60 00 00 00 00 00 00 90 00 I've tried to parse…
Saar Arbel
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Decimal to uint8_t array

uint8_t certificateSerialNumber[] = {0x02, 0x04, 0x24,0xA8,0x16,0x34}; The decimal 614995508 (actual serial number)is converted to hexadecimal 24A81634. The above unit8 array is the representation on TLV(tag length value) triplet of serial…
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How to create and parse Tag, Length, Value (TLV) in JavaScript or java and encode it in Base64

The QR code fields shall be encoded in Tag-Length-Value (TLV) format with the tag values specified in the “Tag” column of the adjacent table in the image below. The TLV encoding shall be as follows: Tag: the tag value as mentioned above is stored in…
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How to get apdu command logs from ingenico device in c?

I am working on Ingedev to implement a Telium application in C. How can I read the Application Protocol Data Unit (APDU) from a contactless EMV card transaction with an Ingenico device? Can the APDU be retrieved from the TLV tree data exchanged…
K J Gor
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