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  2. Digital signature - Wikipedia

    en.wikipedia.org/wiki/Digital_signature

    A digital signature is an authentication mechanism that enables the creator of the message to attach a code that acts as a signature. The Digital Signature Algorithm (DSA), developed by the National Institute of Standards and Technology, is one of many examples of a signing algorithm.

  3. Digital Signature Algorithm - Wikipedia

    en.wikipedia.org/wiki/Digital_Signature_Algorithm

    The Digital Signature Algorithm ( DSA) is a public-key cryptosystem and Federal Information Processing Standard for digital signatures, based on the mathematical concept of modular exponentiation and the discrete logarithm problem. In a public-key cryptosystem, two keys are generated: data can only be encrypted with the public key and encrypted ...

  4. Risa Hontiveros - Wikipedia

    en.wikipedia.org/wiki/Risa_Hontiveros

    Profession. Journalist. Signature. Ana Theresia "Risa" Navarro Hontiveros ( Tagalog: [ˈɾisa ɔntɪˈverɔs]; born February 24, 1966) is a Filipino politician, community leader, and journalist serving as a Senator since 2016. She previously served as a party-list representative for Akbayan from 2004 to 2010.

  5. Digital Signature Standard - Wikipedia

    en.wikipedia.org/wiki/Digital_Signature_Standard

    The Digital Signature Standard (DSS) is a Federal Information Processing Standard specifying a suite of algorithms that can be used to generate digital signatures established by the U.S. National Institute of Standards and Technology (NIST) in 1994. Five revisions to the initial specification have been released: FIPS 186-1 in 1998, [1] FIPS 186 ...

  6. Quantum digital signature - Wikipedia

    en.wikipedia.org/wiki/Quantum_Digital_Signature

    Quantum digital signature. A Quantum Digital Signature (QDS) refers to the quantum mechanical equivalent of either a classical digital signature or, more generally, a handwritten signature on a paper document. Like a handwritten signature, a digital signature is used to protect a document, such as a digital contract, against forgery by another ...

  7. Undeniable signature - Wikipedia

    en.wikipedia.org/wiki/Undeniable_signature

    Undeniable signature. An undeniable signature is a digital signature scheme which allows the signer to be selective to whom they allow to verify signatures. The scheme adds explicit signature repudiation, preventing a signer later refusing to verify a signature by omission; a situation that would devalue the signature in the eyes of the verifier.

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