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error correcting code
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  error correcting code
An efficient software implementation of a forward error correcting code
      
Redéi to prove, that every perfect 1-error correcting code C of length p?+ 1 over an alphabet of cardinality p, such that C has a rank equal to p and a kernel of dimension p - 2, will be equivalent to some Hamming code H.
      
Finally, a detailed product operator description is given of recent NMR experiments which demonstrate a three-bit quantum error correcting code, using field gradients to implement a precisely-known decoherence model.
      
We note that this construction results in a quantum error-correcting code that corrects any n 1 errors.
      
With a powerful error-correcting code, we expect this number to increase.
      
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With speedy development of e-commerce , the authentication of information has become a prominent problem . The digital signature scheme can solve this issue . Applying Hash function can overcome its inherent weakness in the digital signature , but the security of general Hash function relies on the existence of the one-way function . The paper provides a scheme of construcing Hash function by using nonbinary error-correcting codes , and an example shows its application to digital signature...

With speedy development of e-commerce , the authentication of information has become a prominent problem . The digital signature scheme can solve this issue . Applying Hash function can overcome its inherent weakness in the digital signature , but the security of general Hash function relies on the existence of the one-way function . The paper provides a scheme of construcing Hash function by using nonbinary error-correcting codes , and an example shows its application to digital signature .

随着电子商务的飞速发展,信息的认证成了一个突出的问题。数字签名方案可以解决这个问题。在数字签名中应用Hash函数可以克服其内在固有的弱点,但一般的Hash函数的安全性依赖于单向函数的存在性。该文提出了一个应用非二进制纠错码构造Hash函数的方案,通过一个实例来说明其在数字签名中的应用。

Fast correlation attack is one of the important cryptanalysis method for stream ciphers. This paper presents a new fast correlation attack algorithm which based on error-correcting codes. It divides the key into two parts using special parity check equations, and transfers the linear block code to a convolutional code with low rate and obtains the key from Viterbi decoding algorithm. The new algorithm notably reduces the decoding complexity of the fast correlation attack algorithm....

Fast correlation attack is one of the important cryptanalysis method for stream ciphers. This paper presents a new fast correlation attack algorithm which based on error-correcting codes. It divides the key into two parts using special parity check equations, and transfers the linear block code to a convolutional code with low rate and obtains the key from Viterbi decoding algorithm. The new algorithm notably reduces the decoding complexity of the fast correlation attack algorithm.

快速相关攻击是一种重要的序列密码分析方法。该文提出了一种基于纠错码的快速相关攻击算法:利用特殊的校验方程对密钥进行分割,在对分割后的密钥攻击时将线性分组码转化为低码率卷积码,用Viterbi译码算法恢复出密钥。该算法显著地降低了快速相关攻击算法的译码复杂度。

Fast correlation attack is one of the important cryptanalysis method for stream ciphers. This paper presents a new fast cor- relation attack algorithm which based on error- correcting codes. First, transferring the linear block code to a convolutional code with low rate using special parity check equations; then obtaining the key from squence decoding algorithm of convolutional code. The new algorithm notably reduces the decoding complexity of the fast correlation attack algorithm...

Fast correlation attack is one of the important cryptanalysis method for stream ciphers. This paper presents a new fast cor- relation attack algorithm which based on error- correcting codes. First, transferring the linear block code to a convolutional code with low rate using special parity check equations; then obtaining the key from squence decoding algorithm of convolutional code. The new algorithm notably reduces the decoding complexity of the fast correlation attack algorithm from .

快速相关攻击是一种重要的序列密码分析方法。该文提出一种基于卷积码的序列译码的快速相关攻击算法,首先利用特殊的校验方程将线性分组码转化为低码率卷积码,然后用卷积码的序列译码算法恢复出密钥。当记忆长度较大时,该算法显著地降低了中算法的译码复杂度。

 
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