Definition of digital signature in US English:

digital signature


  • A type of electronic signature that encrypts documents with digital codes that are particularly difficult to duplicate.

    • ‘The ability to manage public keys for verifying digital signatures provides each e-mail user the individual power to control who communicates with her and can therefore completely eliminate the practice of spamming.’
    • ‘A digital signature verifies the sender of a message and prevents the message being altered in any way.’
    • ‘This is intended to make it easier for programmers to include digital signatures and encrypt data in e-commerce applications.’
    • ‘But if, in fact, I never applied my digital signature to a document, and I can prove it, then I would not be legally responsible.’
    • ‘A public key is used to encrypt data intended for the public key's owner and to verify digital signatures created with the bearer's private key.’


digital signature