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  2. Key signature - Wikipedia

    en.wikipedia.org/wiki/Key_signature

    For example, the key of D major has a key signature of F ♯ and C ♯, and the tonic (D) is a semitone above C ♯. Each scale starting on the fifth scale degree of the previous scale has one new sharp, added in the order shown.

  3. Public-key cryptography - Wikipedia

    en.wikipedia.org/wiki/Public-key_cryptography

    For example, a software publisher can create a signature key pair and include the public key in software installed on computers. Later, the publisher can distribute an update to the software signed using the private key, and any computer receiving an update can confirm it is genuine by verifying the signature using the public key.

  4. Digital signature - Wikipedia

    en.wikipedia.org/wiki/Digital_signature

    A signature verifying algorithm that, given the message, public key and signature, either accepts or rejects the message's claim to authenticity. Two main properties are required: First, the authenticity of a signature generated from a fixed message and fixed private key can be verified by using the corresponding public key.

  5. Cryptographic key types - Wikipedia

    en.wikipedia.org/wiki/Cryptographic_key_types

    Public signature verification key A public signature verification key is the public key of an asymmetric key pair that is used by a public key algorithm to verify digital signatures, either to authenticate a user's identity, to determine the integrity of the data, for non-repudiation, or a combination thereof. Symmetric authentication key

  6. X.509 - Wikipedia

    en.wikipedia.org/wiki/X.509

    Key Usage, { id-ce 15 }, [10]: §4.2.1.3 provides a bitmap specifying the cryptographic operations which may be performed using the public key contained in the certificate; for example, it could indicate that the key should be used for signatures but not for encipherment.

  7. 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 ...

  8. Public key certificate - Wikipedia

    en.wikipedia.org/wiki/Public_key_certificate

    Public Key: A public key belonging to the certificate subject. Signature Algorithm: This contain a hashing algorithm and a digital signature algorithm. For example "sha256RSA" where sha256 is the hashing algorithm and RSA is the signature algorithm.

  9. Key signature names and translations - Wikipedia

    en.wikipedia.org/wiki/Key_signature_names_and...

    When a musical key or key signature is referred to in a language other than English, that language may use the usual notation used in English (namely the letters A to G, along with translations of the words sharp, flat, major and minor in that language): languages which use the English system include Irish, Welsh, Hindi, Japanese (based on katakana in iroha order), Korean (based on hangul in ...