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A group signature scheme is a method for allowing a member of a group to anonymously sign a message on behalf of the group. The concept was first introduced by David Chaum and Eugene van Heyst in 1991. For example, a group signature scheme could be used by an employee of a large company where it is sufficient for a verifier to know a message ...
In cryptography, a ring signature is a type of digital signature that can be performed by any member of a set of users that each have keys. Therefore, a message signed with a ring signature is endorsed by someone in a particular set of people. One of the security properties of a ring signature is that it should be computationally infeasible to ...
The latter is used to detect whether a message has been altered since it was completed (the message integrity property) and the former, to determine whether it was actually sent by the person or entity claimed to be the sender (a digital signature). Because the content is encrypted, any changes in the message will fail the decryption with the ...
Editing the code of your signature to link it to another editor's user page is not permitted. It is also ineffective, as the change log of the page records the IP address and (if applicable) username of all editors; as such, any impersonators can easily be caught if the signature in the diff view differs from the editor's default signature.
Diffie–Hellman (DH) key exchange [nb 1] is a mathematical method of securely exchanging cryptographic keys over a public channel and was one of the first public-key protocols as conceived by Ralph Merkle and named after Whitfield Diffie and Martin Hellman. [1] [2] DH is one of the earliest practical examples of public key exchange implemented ...
In cryptography, a Schnorr signature is a digital signature produced by the Schnorr signature algorithm that was described by Claus Schnorr. It is a digital signature scheme known for its simplicity, among the first whose security is based on the intractability of certain discrete logarithm problems. It is efficient and generates short ...
ABC Signature is an American television production studio and the flagship production arm of the American Broadcasting Company, which is a division of Disney Television Studios, a subsidiary of the Disney General Entertainment Content sub-division of the Disney Entertainment business segment and division of The Walt Disney Company.
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 ...
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