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Decrypt
To decrypt an encrypted file is to restore it to its original, unprotected, clear-text state.
Digital ID
An encrypted file containing personal security data, including private keys. Access to the digital ID requires authentication via some combination of tokens, biometrics and/or passwords.
Digital signature
Digital signatures are used to detect unauthorized modifications of data and to authenticate the identity of the signatories. A digital signature is like a paper signature, except that it is fully electronic and it is impossible to forge, making it more secure than a paper signature. A digital signature provides verification to a recipient that the signed file came from the person who sent it, and that it was not altered since it was signed. Digital signatures also provide non-repudiation services.
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