Digital Signature
A digital signature is a mathematical technique used to validate the authenticity and integrity of a digital document or message. It is a type of electronic signature that uses a public key infrastructure (PKI) to verify the identity of the signer and ensure that the document has not been tampered with. The process involves using a private key to encrypt the document or message, which can only be decrypted using the corresponding public key. This creates a unique digital fingerprint that can be used to verify the authenticity of the document or message. Digital signatures are commonly used in e-commerce, online contracts, and other digital transactions to ensure the security and validity of the information being exchanged.
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