Patent ID: 6516996
Filing Date: 2003-02-11
Classification: G06Q,G07G

Abstract:
An electronic payment system comprising:first payment means for making payments in electronic form, first processing means for generating electronic receipts corresponding to received payments, the first processing means being arranged to encrypt the electronic receipt to be generated or part of it, if necessary, with a public-key algorithm by using the payee's private key as an encryption key, wherein an electronic receipt which is partly of completely encrypted does not contain unencrypted identification data on the payee, second processing means for receiving said receipts, the second processing means being arranged to decrypt a received receipt with a public-key algorithm by using the payee's public key as a decryption key, and transfer means for transferring said receipts between the first and second processing means and the first payment means, wherein the first processing means are arranged to transfer the generated electronic receipts to the first payment means in response to the payments made by means of the transfer means, and the first payment means are arranged to transfer one or more of said receipts to the second processing means by means of the transfer means, and when transferring one or more of said receipts to the second processing means, the first payment means are arranged to transfer with the receipts only the payee's identification data related to the receipts that the second processing means are entitled to decrypt.