Digital Signcryption by. Clayton D. Smith. A thesis presented to the University of Waterloo in fulfilment of the thesis requirement for the degree of. Master of. In cryptography, signcryption is a public-key primitive that simultaneously performs the functions of both digital signature and encryption. Encryption and digital. Download Citation on ResearchGate | Digital Signcryption or How to The current standard method to hieve this aim is “(digital) signature.

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Note that sometimes hybrid encryption can be employed instead of simple encryption, and a single session-key reused for several encryptions to achieve better overall efficiency across many signature-encryptions than a signcryption scheme but the session-key reuse causes the zigncryption to lose security under even the relatively weak CPA model.

Communications security Time complexity Computation High-level programming language. By clicking accept or continuing xigital use the site, you agree to the terms outlined in our Privacy PolicyTerms of Serviceand Dataset License. Views Read Edit View history.

This page was last edited on 26 Januaryat Retrieved from ” https: Public-key cryptography Authentication Discrete logarithm Cryptographic primitive. Topics Discussed in This Paper. Any signcryption scheme should have the following properties: Signcryption is a relatively new cryptographic technique that is supposed to perform the functions of digital signature and encryption in a single logical step and can effectively decrease the computational costs and communication overheads in comparison with the traditional signature-then-encryption schemes.


From This Paper Figures, tables, and topics from this paper. Encryption and digital signature are two fundamental cryptographic tools that can guarantee the confidentialityintegrityand non-repudiation.

Signcryption – Wikipedia

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Signcryption provides the properties of both digital signatures and encryption schemes in a way that is more efficient than signing and encrypting separately.

Citation Statistics signcryptioj, Citations 0 50 ’96 ’01 ’07 ‘ In cryptographysigncryption is a public-key primitive that simultaneously performs the functions of both digital signature and encryption.

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Semantic Scholar estimates that this publication has 1, citations based on the available data. In public key schemes, a traditional method is to digitally sign a message then followed by an encryption signature-then-encryption that can have two problems: Gen generates a pair of keys for any user, SC is generally a probabilistic algorithm, and USC is most likely deterministic. By using this site, you agree to the Terms of Use and Privacy Policy.


Untilthey were viewed as signcryptiom but distinct building blocks of various cryptographic systems. A signcryption scheme typically consists of three algorithms: The future of integer factorization.

This means that at least some aspect of its efficiency for example the computation time is better than any hybrid of digital signature and encryption schemes, under a particular model of security. Elliptic Curve Cryptosystems Neal Koblitz From Wikipedia, the free encyclopedia. This paper has 1, citations. Signcryption Encryption Digital signature Digital data. sigcnryption

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Citations Publications citing this paper. This is the reason why a random session key is used for each message in a hybrid encryption scheme but for a given level of security i. Abdul HaleemM P Sebastisan