$ CRYPTOGRAM_VALIDATOR
Validate EMV Application Cryptograms using CDOL data and transaction information
🔐 EMV Cryptogram Validation ALPHA
Validate Application Cryptograms (AC) including Transaction Certificate (TC), Authorization Request Cryptogram (ARQC), and Application Authentication Cryptogram (AAC). Requires TLV data containing all transaction tags referenced by the CDOL1/CDOL2, including CID (9F27).