Results 241 to 250 of about 3,510 (286)

IBS-ECDHE: A blockchain-enhanced lightweight protocol for secure cloud-IoT in biomedical HCPS. [PDF]

Comput Struct Biotechnol J
Rehman AU, Lu S, Usman M, Moqurrab SA, Srivastava G, Yoo J, Al-Aqrabi H.   +6 more
europepmc   +1 more source

Variable-Length Coding with Zero and Non-Zero Privacy Leakage. [PDF]

Entropy (Basel)
Zamani A, Skoglund M.
europepmc   +1 more source

Three Constructions of Authentication Codes with Perfect Secrecy

Designs, Codes, and Cryptography, 2004
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Cunsheng Ding
exaly   +4 more sources

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E-mail protocols with perfect forward secrecy

International Journal of Security and Networks, 2012
In IEEE Communication Letters, Kim et al. and Sun et al. proposed several e-mail protocols and claimed that they provide perfect forward secrecy. In this paper, we show that under the assumption that the e-mail server is also malicious, Kim et al.'s two e-mail protocols do not provide perfect forward secrecy.
Duncan S Wong
exaly   +2 more sources

Perfect secrecy

Abstract The discussion of historical cryptography is continued from Chapter 3, but from the viewpoint of whether a cipher is unbreakable. In this context, Mary Queen of Scots’ Nomenclator Cipher and the Enigma cipher machine are discussed.
Sean Murphy, Rachel Player
exaly   +2 more sources

A large-deviations notion of perfect secrecy

IEEE Transactions on Information Theory, 2003
Summary: We consider the Shannon cipher system with a variable key rate, and study the necessary and sufficient conditions for perfect secrecy in the sense that the exponential rate of the probability of breaking into the system would not be improved by observing the cryptogram.
exaly   +2 more sources

Achieving Perfect Secrecy with One Bit Keys

MILCOM 2018 - 2018 IEEE Military Communications Conference (MILCOM), 2018
Shannon perfect secrecy, also known as one-time pad, can only be achieved by using exactly a different key bit for each information bit. This requirement makes the implementation of perfect secrecy impractical in most applications. In this paper, a novel coding scheme for security is proposed that achieves perfect secrecy with only half a bit key per ...
Mohsen Karimzadeh Kiskani, Hamid R Sadjadpour   +1 more
exaly   +2 more sources

Secure E-mail protocols providing perfect forward secrecy

IEEE Communications Letters, 2005
[[abstract]]Electronic mail, e-mail in short, has been used to transfer various types of electronic data on internet. In order to deliver the e-mail from the sender to the receiver both efficiently and securely, the e-mail system usually employs both ...
Hung-Min Sun
exaly   +2 more sources

Perfect secrecy in wireless networks

2003 International Conference on Parallel Processing Workshops, 2003. Proceedings., 2004
In a classic paper, among a multitude of other security issues, Claude E. Shannon defined perfect secrecy for a pair of secure computers communicating over an insecure link. The present paper extends Shannon's notion of perfect secrecy to ad hoc wireless networks of computers. All of the wireless transmissions are insecure.
Phillip G. Bradford, Olga V. Gavrylyako, Randy K. Smith   +2 more
openaire   +1 more source

Perfect Secrecy in Physical-Layer Network Coding Systems From Structured Interference [PDF]

IEEE Transactions on Information Forensics and Security, 2016
Physical-layer network coding (PNC) has been proposed for next generation networks. In this paper, we investigate PNC schemes with embedded perfect secrecy by exploiting structured interference in relay networks with two users and a single relay.
David Karpuk, Arsenia Chorti
exaly   +2 more sources