ALL meanings of digital signature
dig·it·al sig·na·ture
D d - noun Technical meaning of digital signature (cryptography) Extra data appended to a message which identifies and authenticates the sender and message data using public-key encryption. The sender uses a one-way hash function to generate a hash-code of about 32 bits from the message data. He then encrypts the hash-code with his private key. The receiver recomputes the hash-code from the data and decrypts the received hash with the sender's public key. If the two hash-codes are equal, the receiver can be sure that data has not been corrupted and that it came from the given sender. 1
- noun digital signature an encrypted digital code appended to an electronic document to verify that it was created by a known source and has not been altered. 1
- noun digital signature electronic proof of a person's identity involving the use of encryption; used to authenticate documents 0