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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. List of file signatures - Wikipedia

    en.wikipedia.org/wiki/List_of_file_signatures

    A file signature is data used to identify or verify the content of a file. Such signatures are also known as magic numbers or magic bytes. Many file formats are not intended to be read as text. If such a file is accidentally viewed as a text file, its contents will be unintelligible. However, some file signatures can be recognizable when ...

  4. Code signing - Wikipedia

    en.wikipedia.org/wiki/Code_signing

    Code signing is the process of digitally signing executables and scripts to confirm the software author and guarantee that the code has not been altered or corrupted since it was signed. The process employs the use of a cryptographic hash to validate authenticity and integrity. [1]

  5. XAdES - Wikipedia

    en.wikipedia.org/wiki/XAdES

    An electronic signature that has been created in compliance with eIDAS has the same legal value as a handwritten signature. [2] An electronic signature, technically implemented based on XAdES has the status of an advanced electronic signature. [4] This means that it is uniquely linked to the signatory; it is capable of identifying the signatory;

  6. Public key certificate - Wikipedia

    en.wikipedia.org/wiki/Public_key_certificate

    Common values include digital signature validation, key encipherment, and certificate signing. Extended Key Usage: The applications in which the certificate may be used. Common values include TLS server authentication, email protection, and code signing. Public Key: A public key belonging to the certificate subject.

  7. XML Signature - Wikipedia

    en.wikipedia.org/wiki/XML_Signature

    XML Signature (also called XMLDSig, XML-DSig, XML-Sig) defines an XML syntax for digital signatures and is defined in the W3C recommendation XML Signature Syntax and Processing. Functionally, it has much in common with PKCS #7 but is more extensible and geared towards signing XML documents.

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