SEARCHABLE SECURE TREATMENT FOR CREDIT CARD NUMBERS

原文（中国語）

Aspects of the present disclosure relate to creating a secure representation of a credit card number for fraud detection purposes. Embodiments include selecting a first set of digits of a credit card number, wherein the first set of digits comprises one or more digits of a prefix of the credit card number. Embodiments further include selecting a second set of digits of the credit card number. Embodiments further include creating a hash representation of each given digit of the second set of digits based on providing the given digit and the first set of digits as input to a hash function. Embodiments further include creating a secure representation of the credit card number based on the hash representations of each digit of the second set of digits.