Public Key Table
Analyzes a data string from the Public Key Table.
Data Input
Paste the complete data string in the field below. Expected length is 611 characters.
Frequently Asked Questions (FAQ)
What is an EMV Public Key (CAPK)?
A Certification Authority Public Key (CAPK) is used by EMV payment terminals to perform Offline Data Authentication (SDA, DDA, or CDA) verifying the card's authenticity.
What components are extracted?
The parser extracts the Registered Application Provider Identifier (RID), Public Key Index, Exponent, Hash Algorithm, Modulus, and associated checksums.
Is this tool secure?
Yes. This tool runs entirely in your browser. Since these are public keys (not private keys), they are inherently public data, but no data is ever transmitted.
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