H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 9/32 (2006.01) H04L 9/08 (2006.01) H04L 29/06 (2006.01)
Patent
CA 2438809
The invention is a system and method for positively identifying the origin of a transmitted message from a computer without requiring encrypted or secure communications. The invention employs a method of Transactional Successive Transpositions of a pair of Authentication Keys of 256 Bytes or more in length for each correspondent. Each time a key is exchanged, it is modified using a Transform Key and the result is compared against a Reference Key. If the transposed result matches the Reference Key [301], the key is accepted as valid, and is exchanged with the Transform Key [302], which is in turn exchanged with the Reference Key. When a new Authentication Key is required to identify an outgoing message, the new Reference Key and Transform Key are used to transpose each other and create a new Derived Value [303]. Since the keys are transposed with each transaction, it is impossible to duplicate a message by intercepting the attached Authentication Key. This is not system of encryption, but a means of identification. While it is theoretically possible to break this system, it is only practically possible if all communications between correspondents are intercepted. It not possible to share, reproduce, or publish Authentication Keys. The system employs a Key Declaration Parser [102] to determine whether an incoming message is a Key Request, a Key Grant, or a message From an Authenticated Correspondent. If a user requests an Authentication Key, the key Request Interface [103] is involved to require a transactions or user intervention. Authentication Keys are managed using an Authentication Key inspector [104] which involves the Key Transformation Engine [105] and compares the transposed values with those stored in the Authentication Key Database [106]. Data captured from authenticated messages is passed to the target application via an Application Interface [107].
Ivey Christopher Liam
Ivey Christopher Liam
Na
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