Almost everything a card and a terminal exchange is BER-TLV: tag, length, value. Reading traces fluently starts with reading TLV fluently.
EMV data primer
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BER-TLV, templates, data object lists and the tags you meet in every trace.
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The opening of the article
In the full article
- Tags
- Lengths
- Templates you meet in every trace
- Data object lists (DOLs)
- The thirty tags of every day
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