Database Reference
In-Depth Information
The following is a diagram of the key entities in the encryption process, which shows
how the entities are related in
Crows foot notation
:
CREDIT CARD ISSUERS
CREDITCARD ISSUER
NUMBER RANGES
EXTERNAL BANK ACCOUNTS
Bank Account Number
Bank Account Number Hash
IBAN Number
IBAN Number Hash
CREDIT CARD
Credit Card Number
Credit Card Number Hash
SECURITY SEGMENTS
SECURITY SUBKEYS
Usage Count
Segment Cipher Text
SECURITY OPTIONS
Key File Location
Encryption Mode
Credit Card Mask Setting
Credit Card Unmasked Length
External Bank Mask Setting
External Bank Unmasked Length
Maximum Subway Use
WALLET
Master Security Key
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