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Analysis and implementation of Digital Signature Algorithm using Hash function

  • Journal of Knowledge Information Technology and Systems
  • Abbr : JKITS
  • 2011, 6(3), pp.129-142
  • Publisher : Korea Knowledge Information Technology Society
  • Research Area : Interdisciplinary Studies > Interdisciplinary Research
  • Published : June 30, 2011

유희경 1 Sung Kyung 2

1강원대학교
2목원대학교

Candidate

ABSTRACT

The A_SHAI hash function I propose in this paper is used to verify the integrity of messages. This hash function, unlike the existing SHAI hash function, enables us to tighten further security against possible reverse attacks by calculating a hash value to which we adds a backward storage, a circular shift operation and ax XOR operation prior to the message digital sign. The A_RSA signature algorithm is used for message certification, authentication, and non-repudiation, which is also intended to tighten further security by adding a circular shift operation and an XOR operation to the final digital signature of the established RSA signature algorithm. RSA encryption algorithm is used to secure confidentiality in encrypted form for a protective transmission of the orginal message necessary for digital signature and verification.

Citation status

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