Clear PIN Generate Alternate verb

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This verb extracts the customer-entered PIN from the input PIN block.

It extracts the PIN from the input PIN block according to the following rules:
  • This verb supports the specification of a PIN extraction method for the 3624 and 3621 PIN block formats through the use of the rule_array keyword. The rule_array points to an array of one or two 8-byte elements. The first element in the rule_array specifies the PIN calculation method. The second element in the rule_array (if specified) indicates the PIN extraction method. Refer to the Clear PIN Generate Alternate (CSNBCPA) for an explanation of PIN extraction method keywords.