Electronic record authentication allows subscribers to use digital signatures, verified through unique public-private key pairs and secure hash functions.

Electronic-record authentication permits a subscriber to authenticate an electronic record by affixing a digital signature. Authentication is effected through an asymmetric cryptographic system and a hash function. The hash function must consistently generate the same hash result for the same input and make reconstruction of the original record or generation of identical results for two records computationally infeasible. Verification may be performed using the subscriber's public key, which, together with the unique private key, forms a functioning key pair.

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