validateCvv

validateCvv(
pan: string,
expiry: string,
passkey: string,
cvv: string,
config: ComplianceConfig,
): boolean

Validates a 4-digit CVV, deriving the HMAC key inline. Uses PBKDF2 on each call — use validateCvvFromKey() for frequent validation.

Parameters

pan (string) — 16-digit PAN string
expiry (string) — "MM/YY" formatted expiry string
passkey (string) — The same passkey used to generate the CVV
cvv (string) — The 4-digit CVV to validate
config (ComplianceConfig) — Optional compliance config (pbkdf2Iterations, keyId, onEvent)

Returns