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  2. Centre for Railway Information Systems - Wikipedia

    en.wikipedia.org/wiki/Centre_for_Railway...

    CRIS seminars are held annually, with the most-recent one (on Digital Transformation of Large Enterprises) on 1 July 2019. In December 2019, the Ministry of Railways was considering a proposal to merge CRIS' operations with RailTel Corporation of India Ltd. [3] However, the proposal has been shelved for the time being.

  3. Digital signature - Wikipedia

    en.wikipedia.org/wiki/Digital_signature

    Digital signatures are equivalent to traditional handwritten signatures in many respects, but properly implemented digital signatures are more difficult to forge than the handwritten type. Digital signature schemes, in the sense used here, are cryptographically based, and must be implemented properly to be effective.

  4. Electronic signature - Wikipedia

    en.wikipedia.org/wiki/Electronic_signature

    An electronic signature, or e-signature, is data that is logically associated with other data and which is used by the signatory to sign the associated data. [1] [2] [3] This type of signature has the same legal standing as a handwritten signature as long as it adheres to the requirements of the specific regulation under which it was created (e.g., eIDAS in the European Union, NIST-DSS in the ...

  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 ...

  6. 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 ...

  7. Indian Railway Stores Service - Wikipedia

    en.wikipedia.org/wiki/Indian_Railway_Stores_Service

    IRSS Officers man the senior posts of stores department and also general administrative posts of Indian Railways. [2] The members of this group A service are recruited through the Engineering Services Examination conducted annually by the Union Public Service Commission [3] [4] The basic qualification for appearing in this examination is a degree in engineering and all the members belonging to ...

  8. Electronic authentication - Wikipedia

    en.wikipedia.org/wiki/Electronic_authentication

    Often, authentication and digital signing are applied in conjunction. In advanced electronic signatures, the signatory has authenticated and uniquely linked to a signature. In the case of a qualified electronic signature as defined in the eIDAS-regulation, the signer's identity is even certified by a qualified trust service provider.

  9. Digital Signature Services - Wikipedia

    en.wikipedia.org/wiki/Digital_Signature_Services

    Digital Signature Services (DSS) is an OASIS standard. As part of a Technical Committee (TC), specialising in “signature services”, a “Core” specification was created by the international standardization organization OASIS in 2007.