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  2. Digital signature - Wikipedia

    en.wikipedia.org/wiki/Digital_signature

    The first widely marketed software package to offer digital signature was Lotus Notes 1.0, released in 1989, which used the RSA algorithm. [26] Other digital signature schemes were soon developed after RSA, the earliest being Lamport signatures, [27] Merkle signatures (also known as "Merkle trees" or simply "Hash trees"), [28] and Rabin ...

  3. RSA (cryptosystem) - Wikipedia

    en.wikipedia.org/wiki/RSA_(cryptosystem)

    RSA (Rivest–Shamir–Adleman) is a public-key cryptosystem, one of the oldest widely used for secure data transmission.The initialism "RSA" comes from the surnames of Ron Rivest, Adi Shamir and Leonard Adleman, who publicly described the algorithm in 1977.

  4. 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, a pair of private and public keys are created: data encrypted with either key can ...

  5. Digital Signature Standard - Wikipedia

    en.wikipedia.org/wiki/Digital_Signature_Standard

    It defines the Digital Signature Algorithm, contains a definition of RSA signatures based on the definitions contained within PKCS #1 version 2.1 and in American National Standard X9.31 with some additional requirements, and contains a definition of the Elliptic Curve Digital Signature Algorithm based on the definition provided by American National Standard X9.62 with some additional ...

  6. PKCS 1 - Wikipedia

    en.wikipedia.org/wiki/PKCS_1

    The signature schemes are actually signatures with appendix, which means that rather than signing some input data directly, a hash function is used first to produce an intermediary representation of the data, and then the result of the hash is signed. This technique is almost always used with RSA because the amount of data that can be directly ...

  7. Public-key cryptography - Wikipedia

    en.wikipedia.org/wiki/Public-key_cryptography

    The two best-known types of public key cryptography are digital signature and public-key encryption: In a digital signature system, a sender can use a private key together with a message to create a signature. Anyone with the corresponding public key can verify whether the signature matches the message, but a forger who does not know the ...

  8. Cryptography standards - Wikipedia

    en.wikipedia.org/wiki/Cryptography_standards

    FIPS PUB 186-2 Digital Signature Standard 2000; FIPS PUB 190 Guideline for the Use of Advanced Authentication Technology Alternatives 1994; FIPS PUB 191 Guideline for the Analysis of local area network Security 1994; FIPS PUB 196 Entity Authentication Using Public Key Cryptography 1997; FIPS PUB 197 Advanced Encryption Standard 2001

  9. Digital signature forgery - Wikipedia

    en.wikipedia.org/wiki/Digital_signature_forgery

    Selective forgery is the creation of a message/signature pair (,) by an adversary, where has been chosen by the attacker prior to the attack. [3] [4] may be chosen to have interesting mathematical properties with respect to the signature algorithm; however, in selective forgery, must be fixed before the start of the attack.

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