Patent ID: 7039805
Filing Date: 2006-05-02
Classification: G06F,H04L

Abstract:
1. A method for signing and verifying electronic data by or on behalf of another at a server comprising: a. an authentication step of creating a collection of records about a plurality of individuals by entering into a data storage medium a collection of at least one of the following: b. an access control step of c. a presentation step of providing to the server an electronic data set for signature; d. a transaction identifier step of generating at the server a globally unique transaction identifier for the electronic data set that the requester intends to sign, which includes as one input an identifier associated with an identity of the requestor; e. a signature step whereby the server encrypts, as the signature of a signer, each electronic data set with a unique encryption key generated from a symmetric cipher using the globally unique transaction identifier as character input for a password for generation of the key; f. a recording step in which the server generates and stores in a data storage medium a record of a signature transaction; g. a verification step whereby