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  • 标题:A Universal Session Based Bit Level Symmetric Key Cryptographic Technique to Enhance the Information Security
  • 本地全文:下载
  • 作者:Manas Paul ; Jyotsna Kumar Mandal
  • 期刊名称:International Journal of Network Security & Its Applications
  • 印刷版ISSN:0975-2307
  • 电子版ISSN:0974-9330
  • 出版年度:2012
  • 卷号:4
  • 期号:4
  • DOI:10.5121/ijnsa.2012.4408123
  • 出版社:Academy & Industry Research Collaboration Center (AIRCC)
  • 摘要:In this technical paper a session based symmetric key cryptographic technique, termed as SBSKCT, has been proposed. This proposed technique is very secure and suitable for encryption of large files of any type. SBSKCT considers the plain text as a string with finite no. of binary bits. This input binary string is broken down into blocks of various sizes (of 2korder where k = 3, 4, 5, ¡­.). The encrypted binary string is formed by shifting the bit position of each block by a certain values for a certain number of times and from this string cipher text is formed. Combination of values of block length, no. of blocks and no. of iterations generates the session based key for SBSKCT. For decryption the cipher text is considered as binary string. Using the session key information, this binary string is broken down into blocks. The decrypted binary string is formed by shifting the bit position of each block by a certain values for a certain number of times and from this string plain text is reformed. A comparison of SBSKCT with existing and industrially accepted TDES and AES has been done
  • 关键词:SBSKCT; Cryptography; Symmetric Key; Plain text; Cipher text; Session Based Key; TDES; AES
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