digital-signature [ noun ]

AI–generated Summary

Mathematical scheme to verify authenticity of digital messages or documents.

Definition

A digital signature is a mathematical scheme for verifying the authenticity of digital messages or documents. A valid digital signature, where the prerequisites are satisfied, gives a recipient very strong reason to believe that the message was created by a known sender (authentication), and that the message was not altered in transit (integrity).

Electronic signatures

There are digital signatures and Electronic signatures+, the latter are quite different in purpose and practical use.

digital signatures

Other glossaries (or mental models)

ToIP definition

digital signature:

A digital signature is a mathematical scheme for verifying the authenticity of digital messages or documents. A valid digital signature, where the prerequisites are satisfied, gives a recipient very high confidence that the message was created by a known sender (authenticity), and that the message was not altered in transit (integrity).

Source: Wikipedia.

Supporting definitions:

NIST-CSRC: The result of a cryptographic transformation of data which, when properly implemented, provides the services of: 1. origin authentication, 2. data integrity, and 3. signer non-repudiation.