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  2. Signature recognition - Wikipedia

    en.wikipedia.org/wiki/Signature_recognition

    Signature recognition is an example of behavioral biometrics that identifies a person based on their handwriting. It can be operated in two different ways: It can be operated in two different ways: Static: In this mode, users write their signature on paper, and after the writing is complete, it is digitized through an optical scanner or a ...

  3. Digital signature - Wikipedia

    en.wikipedia.org/wiki/Digital_signature

    Alice signs a message—"Hello Bob!"—by appending a signature computed from the message and her private key. Bob receives both the message and signature. He uses Alice's public key to verify the authenticity of the signed message. A digital signature is a mathematical scheme for verifying the authenticity of digital messages or documents. A ...

  4. EdDSA - Wikipedia

    en.wikipedia.org/wiki/EdDSA

    Signature verification An EdDSA signature on a message by public key is the pair (,), encoded in bits, of a curve point () and an integer < < satisfying the following verification equation, where denotes concatenation:

  5. 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.

  6. Your mail-in election ballot could be rejected. How to make ...

    www.aol.com/news/mail-election-ballot-could...

    Thirty-one states do require mail-in ballot signature verification, and election officials normally compare the signatures with other documents signed by the voter — typically past election ...

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