Calculate KCV, encrypt, decrypt by given DES and 3DES key
Calculate and validate card numbers by Luhn algorithm
Calculating IPEK and PEK, encrypting and decrypting PIN and Data
Parsing ANSI X9.2 given input based on specified data element definition
Parsing ISO 8583 given input based on specified data element definition
Decoding EMV data in BER TLV format
Generating PIN offset and verifying PIN by IBM 3624 algorithm
Generating PVV and extracting PIN by VISA PVV algorithm
Calculating CVV, CVC, iCVV, CVV2, CVC2
Parsing TLV data with tags and subtags definition
Encoding and decoding between PIN and clear PIN block
Calculating MKac, SKac, AAC/ARQC/TC, ARPC
Decoding track 1, track 2, track 3 in magnetic stripe
Generating HOTP and TOTP using OATH
Calculate KCV, encrypt, decrypt by given AES key
Generating and decoding PromptPay QR code