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cipher
(614 results)
White Papers, Webcasts, and Resources
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Check out this webcast to learn more about fast and efficient business security strategies. You're in the midst of an arms race, make sure you win it.
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Software
jCipherPAD 0.9.4 (Windows)
January 5, 2007 12:00am PST
jCipherPAD is a small and compact multi-platform text ciphering notepad program, made with JAVA.jCipherPAD features high-speed ciphering algorithms, and large file support. Currently jCipherPAD...
Provided by: Chomley Consulting
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Downloads
jCipherPAD 0.9.4 (Windows)
January 5, 2007 12:00am PST
jCipherPAD is a small and compact multi-platform text ciphering notepad program, made with JAVA.jCipherPAD features high-speed ciphering algorithms, and large file support. Currently jCipherPAD...
Provided by: Chomley Consulting
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White Papers
Linear Cryptanalysis for a Chaos-Based Stream Cipher
January 11, 2010 12:00am PST
Linear cryptanalysis methods are rarely used to improve the security of chaotic stream ciphers. In this paper, the authors apply linear cryptanalysis to a chaotic stream cipher which was designed...
Provided by: Tsinghua University
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White Papers
A Middleware Design for Block Cipher Seamless Connected Into Stream Cipher Mode
August 18, 2008 12:00am PDT
In order to connect the block cipher into stream cipher mode, the middleware about output of the block cipher was designed according to flexible and scalable principle. The byte wise operation can...
Provided by: Institute of Electrical and Electronics Engineers
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White Papers
Hardware Implementation of the Chameleon Polymorphic Cipher-192
November 1, 2009 12:00am PDT
The Chameleon Cipher-192 is a polymorphic cipher that uses a variable word size and variable-size user's key. The cipher employs a shuffler and two nonlinearity-associated filters for selective...
Provided by: International Journal of Computer Science and Network Security
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White Papers
Elastic Block Ciphers in Practice: Constructions and Modes of Encryption
August 21, 2007 12:00am PDT
The authors demonstrate the general applicability of the elastic block cipher method by constructing examples from existing block ciphers: AES, Camellia, MISTY1 and RC6. An elastic block cipher is...
Provided by: Columbia University
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Blog Posts
The use and misuse of the XOR stream cipher
February 1, 2010 12:00pm PST
The XOR stream cipher is the foundation of the one-time pad cipher, as well as many other strong ciphers, but it can also be the foundation of a very weak cryptographic system, and it serves...
3 Latest comment by apotheon
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White Papers
A New Variant of RC4 Stream Cipher
June 18, 2009 12:00am PDT
RC4 was used as an encryption algorithm in WEP(Wired Equivalent Privacy) protocol that is a standardized for 802.11 wireless network. A few attacks followed, indicating certain weakness in the...
Provided by: World Academy of Science, Engineering and Technology
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White Papers
Elastic Block Ciphers: Method, Security and Instantiations
December 4, 2008 12:00am PST
The authors introduce the concept of an elastic block cipher, which refers to stretching the supported block size of a block cipher to any length up to twice the original block size while...
Provided by: Columbia University
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White Papers
Methods for Linear and Differential Cryptanalysis of Elastic Block Ciphers
May 10, 2008 12:00am PDT
The elastic block cipher design employs the round function of a given, b-bit block cipher in a black box fashion, embedding it in a network structure to construct a family of ciphers in a uniform...
Provided by: Columbia University
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White Papers
The Security of Elastic Block Ciphers Against Key-Recovery Attacks
June 29, 2007 12:00am PDT
The authors analyze the security of elastic block ciphers against key-recovery attacks. An elastic version of a fixed-length block cipher is a variable-length block cipher that supports any block...
Provided by: Columbia University
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Downloads
CipherFox 3.4.1 (Windows)
September 29, 2011 12:00am PDT
CipherFox addon displays the currently used SSL/TLS cipher and keysize in the Firefox status bar.CipherFox can also disable RC4 encryption via the options panel. The next available cipher will be...
Provided by: MkFly
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White Papers
Conversion Functions for Symmetric Key Ciphers
January 1, 2011 12:00am PST
As a general design criterion, a symmetric key cipher should not be closed under functional composition due to the implications on the security of the cipher. However, there are scenarios in which...
Provided by: Columbia University
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White Papers
Implementation of RC5 Block Cipher Algorithm for Image Cryptosystems
December 25, 2010 12:00am PST
This paper examines the implementation of RC5 block cipher for digital images along with its detailed security analysis. A complete specification for the method of application of the RC5 block...
Provided by: World Academy of Science, Engineering and Technology
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White Papers
Tweakable Block Ciphers
September 2, 2010 12:00am PDT
A common trend in applications of block ciphers over the past decades has been to employ block ciphers as one piece of a "Mode of operation" - possibly, a way to make a secure symmetric-key...
Provided by: University of California
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White Papers
Data Masking With Classical Ciphers
March 19, 2010 12:00am PDT
Data masking and protection is an essential part of data processing. With easy access to data, encryption of sensitive information is now a critical part of the data process especially with...
Provided by: University College Dublin
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Software
uCipher ROT13 1.0.1 (Mobile)
January 19, 2010 12:00am PST
uCipher ROT13Write secret messages and email them to a friend with a push of a button!Use it to cipher and decipher ROT13 messages you encounter on online forums or webpages.Just copy the plain...
Provided by: Elias Salokivi
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White Papers
On the Notions of PRP-RKA, KR and KR-RKA for Block Ciphers
January 4, 2008 12:00am PST
Security of commonly used block ciphers is commonly measured in terms of their resistance to known attacks. While the provable security approach to block ciphers dates back to the first CRYPTO...
Provided by: Swinburne University of Technology
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White Papers
On-Line Ciphers and the Hash-CBC Constructions
May 1, 2007 12:00am PDT
The authors initiate a study of on-line ciphers. These are ciphers that can take input plaintexts of large and varying lengths and will output the ith block of the cipher text after having...
Provided by: University of California, San Diego
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White Papers
A Practical Limit of Security Proof in the Ideal Cipher Model : Possibility of Using the Constant as a Trapdoor in Several Double Block Length Hash Functions
December 22, 2006 12:00am PST
John Black exhibited a block cipher based hash function that is collision resistant in the ideal cipher model but trivially insecure when instantiated by any block cipher. His example is...
Provided by: Korea University
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