Importance

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Abstract

The present invention provides a transaction system and method, an electronic signature tool, and a network bank server authentication method. The system comprises: a telephone terminal, for receiving personal information entered by a user; a telephone bank server, for receiving the personal information sent by the telephone terminal and verifying the personal information, and receiving, after the verification succeeds, transaction information and an authentication password that are entered by the user; a network bank server, for receiving the transaction information and the authentication password that are sent by the telephone bank server, and performing encryption calculation on the transaction information according to the authentication password to generate authentication information; a network terminal, for acquiring the transaction information and authentication information from the network bank server; and an electronic signature tool, for receiving the transaction information and authentication information that are sent by the network terminal, verifying the transaction information and authentication information, and generating, after the verification succeeds, signature data of the transaction information and sending the signature data to the network bank server. The present invention reduces the transaction complexity, ensures the security, and facilitates the operation.

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First Claim