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2. Digital signature - Wikipedia

   en.wikipedia.org/wiki/Digital_signature

   Definition. A digital signature scheme typically consists of three algorithms: A key generation algorithm that selects a private key uniformly at random from a set of possible private keys. The algorithm outputs the private key and a corresponding public key. A signing algorithm that, given a message and a private key, produces a signature.

3. 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, two keys are generated: data can only be encrypted with the public key and encrypted ...

4. Adobe Sign - Wikipedia

   en.wikipedia.org/wiki/Adobe_Sign

   Website. adobesign.com. Adobe Acrobat Sign (formerly EchoSign, eSign & Adobe Sign) is a cloud-based e-signature service that allows the user to send, sign, track, and manage signature processes using a browser or mobile device. [4] It is part of the Adobe Document Cloud suite of services. Adobe Sign also supports Sandbox environment for ...

5. Docusign - Wikipedia

   en.wikipedia.org/wiki/Docusign

   Docusign, Inc. Docusign, Inc. is an American software company headquartered in San Francisco, California that provides products for organizations to manage electronic agreements with electronic signatures on different devices. As of 2024, Docusign has about 1.5 million clients in 180 countries. [4] Signatures processed by Docusign are compliant ...

6. 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. It is used by various Web technologies such as SOAP ...

7. Elliptic Curve Digital Signature Algorithm - Wikipedia

   en.wikipedia.org/wiki/Elliptic_Curve_Digital...

   As with elliptic-curve cryptography in general, the bit size of the private key believed to be needed for ECDSA is about twice the size of the security level, in bits. [1] For example, at a security level of 80 bits—meaning an attacker requires a maximum of about operations to find the private key—the size of an ECDSA private key would be ...