Business::PayPal::EWP - Perl extension for PayPal's Encrypted Website Payments
with Encrypted Web Payments. It contains a single function, SignAndEncrypt
which takes the plaintext form code, private key file, public key file, and
PayPal's public certificate, and will return the signed and encrypted code
needed by paypal.

WWW: https://metacpan.org/release/Business-PayPal-EWP