Non-repudiation

Non-repudiation

A principle that ensures that a person cannot deny the validity of their signature on a contract or message.

Proof of integrity

A guarantee that data remains accurate and consistent without change.

Hashing

A process of representing data as a short string of text, known as a message digest or fingerprint.

Message digest

A fixed-size string derived from input data used to check data integrity.

Integrity verification

The process of ensuring that data has not changed and remains accurate.

Proof of origin

Validation that a message has not been altered and confirms its original source.

Authentication

The process of confirming the identity of a person or the origin of a message.

Private key

A secret key used in digital signatures that allows the signer to create a signature.

Public key

A key that is shared publicly to verify digital signatures.

Signature validity

A status indicating whether a signature is legitimate or has been altered.