Accueil >  Term: digital signature
digital signature

A way to ensure the integrity of a message or other data using public key cryptography. To create a digital signature, the signer generates a message digest of the data and then uses a private key to encrypt the digest. The signature includes the encrypted digest and identifies the signer. Anyone wanting to verify the signature uses the signer’s digital certificate, which contains the public key needed to decrypt the digest and specifies the algorithm used to create the digest.

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