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| 1 | http://reefshark.nmfs.noaa.gov/f/pds/publicsite/documents/policies/32-110.pdf |
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| title | Electronic Signature Implementation Requirements (from policy directive 32-110) |
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1. The implementation of an e-signature system must contain some form of technical non-repudiation services to protect the reliability, authenticity, integrity, and usability, as well as the confidentiality, and legitimate use of the electronically-signed information.
2. The technical non-repudiation services (required in number 1 above) should tie the electronic transaction to the individual or entity in a legally-binding way.
3. The electronic signature process should include, as part of its technical non-repudiation services, audit trails that ensure the chain of custody for the transaction. These audit trails should identify the sending location, sending individual or entity, date and time stamp of receipt, and other measures that will ensure the integrity of the document. These audit trails must validate the integrity of the transaction and prove: (1) that the connection between the submitter and NMFS has not been tampered with; and (2) how the document was controlled upon receipt by NMFS.
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Introduction
A traditional holographic (hand-written) signature affixes a distinctive mark to the original document (the signature) that may be used as evidence of the identity of the signing party, their approval, authorization, or adoption of the document, and that the document has not been altered subsequent to the signature. An electronic signature calls for a similar outcome.
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Some distinctive mark must be affixed to the original document as evidence of the electronic signature, binding the document to the signing party's identity, indicating their approval or adoption, and providing evidence of the document's integrity. |
(These three elements, identity, adoption, and non-alteration, are known in computer security jargon as non-repudiation.)
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