Tutorials 19995 views
Calculate Cryptogram ARQC/ARPC for EMV ISO8583
including key derivation and session key calculation
Just input the correct data from the ISO8583 Data Element 55, the EMV tags, then the keys and get the request and response cryptogram just like it was generated by the CHIP of the card
Calculate Cryptogram Request ARQC
9F02 Amount, Authorised (up to 12 digits, numeric, last 2 are decimals):
9F03 Amount, Other (up to 12 digits, numeric, last 2 are decimals, zero if none):
9F1A Terminal Country Code (4 hex digits, 2 bytes):
95 Terminal Verification Results TVR (10 hex digits, 5 bytes):
5F2A Transaction Currency Code (4 hex digits, 2 bytes):
9A Transaction Date (6 numeric digits):
9C Transaction Type (2 numeric digits):
9F37 Unpredictable Number UN (8 hex digits):
82 Application Interchange Profile (AIP) (4 hex digits):
9F36 Application Transaction Counter ATC (4 hex digits):
9F10 Issuer Application Data (IAD) (64 hex digits):
Cryptogram master key (32 hex digits):
Card Primary Account Number PAN (16-19 digits):
Card PAN Sequence number PSN:
Initialization Vector (32 hex digits, leave empty for zeroes):
Padding value (16 hex digits):
Application Cryptogram (AC) (16 hex digits):
Calculate Cryptogram Response ARPC
Request Application Cryptogram (AC) (16 hex digits):
Card Status Update CSU (8 hex digits):
9F36 Application Transaction Counter ATC (4 hex digits):
Cryptogram master key (32 hex digits):
5A Card Primary Account Number PAN (16-19 digits):
5F34 Card PAN Sequence number PSN:
Initialization Vector (32 hex digits):
Padding value (16 hex digits):
How cryptogram calculation works
Terminal data is composed from the following fields:
Terminal Data: Amount, Authorised (Numeric)
Terminal Data: Amount, Other (Numeric)
Terminal Data: Terminal Country Code
Terminal Data: Terminal Verification Results
Terminal Data: Transaction Currency Code
Terminal Data: Transaction Date
Terminal Data: Transaction Type
Terminal Data: Unpredictable Number
ICC data is composed from the following fields:
ICC: Application Interchange Profile
ICC: Application Transaction Counter
Detailed cryptogram calculation data
Terminal data:
ICC data:
DOL data:
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