Secure authentication method and system for online transactions

摘要

Embodiments of the invention relate to a secure authentication method for online transactions, an online transaction secure authentication system, an online transaction secure authentication client, and a computer program product for secure authentication of online transactions thereof. The secure authentication method includes: generating, using one or more computer processors, a random session key to encrypt communications between a client and a server; verifying a user identity of a user using the client based on the generated random session key; in the event that the verification of the user identity is successful, generating transaction image information, encrypting the transaction image information based on the random session key, and transmitting the encrypted transaction image information to the client; receiving a confirmation of the transaction image information, the confirmation comprising a transaction signature; and verifying the transaction signature based on the random session key.