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- Public-key_cryptography abstract "Public-key cryptography, also known as asymmetric cryptography, is a class of cryptographic algorithms which require two separate keys, one of which is secret (or private) and one of which is public. Although different, the two parts of this key pair are mathematically linked. The public key is used to encrypt plaintext or to verify a digital signature; whereas the private key is used to decrypt ciphertext or to create a digital signature. The term "asymmetric" stems from the use of different keys to perform these opposite functions, each the inverse of the other – as contrasted with conventional ("symmetric") cryptography which relies on the same key to perform both.Public-key algorithms are based on mathematical problems which currently admit no efficient solution that are inherent in certain integer factorization, discrete logarithm, and elliptic curve relationships. It is computationally easy for a user to generate their own public and private key-pair and to use them for encryption and decryption. The strength lies in the fact that it is "impossible" (computationally unfeasible) for a properly generated private key to be determined from its corresponding public key. Thus the public key may be published without compromising security, whereas the private key must not be revealed to anyone not authorized to read messages or perform digital signatures. Public key algorithms, unlike symmetric key algorithms, do not require a secure initial exchange of one (or more) secret keys between the parties.Message authentication involves processing a message with a private key to produce a digital signature. Thereafter anyone can verify this signature by processing the signature value with the signer's corresponding public key and comparing that result with the message. Success confirms the message is unmodified since it was signed, and – presuming the signer's private key has remained secret to the signer – that the signer, and no one else, intentionally performed the signature operation. In practice, typically only a hash or digest of the message, and not the message itself, is encrypted as the signature.Public-key algorithms are fundamental security ingredients in cryptosystems, applications and protocols. They underpin such Internet standards as Transport Layer Security (TLS), PGP, and GPG. Some public key algorithms provide key distribution and secrecy (e.g., Diffie–Hellman key exchange), some provide digital signatures (e.g., Digital Signature Algorithm), and some provide both (e.g., RSA).".
- Public-key_cryptography thumbnail Public-key-crypto-1.svg?width=300.
- Public-key_cryptography wikiPageExternalLink 1363.
- Public-key_cryptography wikiPageExternalLink wwwj.
- Public-key_cryptography wikiPageExternalLink cryptographictech.
- Public-key_cryptography wikiPageExternalLink 107353.
- Public-key_cryptography wikiPageExternalLink movies.php.
- Public-key_cryptography wikiPageExternalLink hac.
- Public-key_cryptography wikiPageExternalLink 010256.html.
- Public-key_cryptography wikiPageID "24222".
- Public-key_cryptography wikiPageRevisionID "606505239".
- Public-key_cryptography hasPhotoCollection Public-key_cryptography.
- Public-key_cryptography subject Category:Banking_technology.
- Public-key_cryptography subject Category:Public-key_cryptography.
- Public-key_cryptography comment "Public-key cryptography, also known as asymmetric cryptography, is a class of cryptographic algorithms which require two separate keys, one of which is secret (or private) and one of which is public. Although different, the two parts of this key pair are mathematically linked. The public key is used to encrypt plaintext or to verify a digital signature; whereas the private key is used to decrypt ciphertext or to create a digital signature.".
- Public-key_cryptography label "Asymmetrische cryptografie".
- Public-key_cryptography label "Asymmetrisches Kryptosystem".
- Public-key_cryptography label "Criptografia de chave pública".
- Public-key_cryptography label "Criptografía asimétrica".
- Public-key_cryptography label "Crittografia asimmetrica".
- Public-key_cryptography label "Cryptographie asymétrique".
- Public-key_cryptography label "Kryptografia klucza publicznego".
- Public-key_cryptography label "Public-key cryptography".
- Public-key_cryptography label "Криптосистема с открытым ключом".
- Public-key_cryptography label "تشفير باستخدام المفتاح المعلن".
- Public-key_cryptography label "公开密钥加密".
- Public-key_cryptography label "公開鍵暗号".
- Public-key_cryptography sameAs Asymetrická_kryptografie.
- Public-key_cryptography sameAs Asymmetrisches_Kryptosystem.
- Public-key_cryptography sameAs Κρυπτογράφηση_Δημόσιου_Κλειδιού.
- Public-key_cryptography sameAs Criptografía_asimétrica.
- Public-key_cryptography sameAs Kriptografia_asimetriko.
- Public-key_cryptography sameAs Cryptographie_asymétrique.
- Public-key_cryptography sameAs Crittografia_asimmetrica.
- Public-key_cryptography sameAs 公開鍵暗号.
- Public-key_cryptography sameAs 공개_키_암호_방식.
- Public-key_cryptography sameAs Asymmetrische_cryptografie.
- Public-key_cryptography sameAs Kryptografia_klucza_publicznego.
- Public-key_cryptography sameAs Criptografia_de_chave_pública.
- Public-key_cryptography sameAs m.061fs.
- Public-key_cryptography sameAs Q201339.
- Public-key_cryptography sameAs Q201339.
- Public-key_cryptography wasDerivedFrom Public-key_cryptography?oldid=606505239.
- Public-key_cryptography depiction Public-key-crypto-1.svg.
- Public-key_cryptography isPrimaryTopicOf Public-key_cryptography.
