Digital Signatures
Digital signatures are a cryptographic technique used to verify the authenticity and integrity of digital documents or messages. A digital signature is created by applying a mathematical algorithm to a message or document, which generates a unique digital code that can only be produced by the sender. This code is then attached to the message or document, providing a tamper-evident seal that can be verified by the recipient. Digital signatures are commonly used in e-commerce, online contracts, and other digital transactions to ensure that the parties involved are who they claim to be and that the document has not been altered in transit. They are also used to provide non-repudiation, meaning that the sender cannot deny having sent the message or document.
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