TY - JOUR TT - FRAGMENTED POLYALPHABETIC CIPHER AU - Aydogan, Yunus AU - Çağman, Naim AU - Şimşek, İrfan PY - 2016 DA - November JF - Journal of New Theory JO - JNT PB - Naim ÇAĞMAN WT - DergiPark SN - 2149-1402 SP - 58 EP - 72 IS - 14 KW - Encryption KW - Decryption KW - Cipher KW - Polyalphabetic Cipher KW - Fragmented Polyalphabetic Cipher N2 - In this study, we define a polyalphabetic cipher method that is called fragmented polyalphabetic (FP) cipher that is based on the fragmented Caesar (FC) cipher. In the FP-cipher, plaintext is encrypted by multiple encryption alphabets which are obtained by using the FC-cipher. We then construct a mathematical modeling and make a computer program of the method. CR - [1] Y. Aydogan, N. Cagman, I. Simsek, Fragmented Caesar Cipher, Journal of New Theory 14 (2016) 46-57. CR - [2] Y. Aydogan, Multi Fragmented Caesar Cipher Method and its Applications (in Turkish), MSc Thesis, Gaziosmanpasa University, Graduate School of Natural and Applied Science, 2014. CR - [3] J. Hoffstein, J. Pipher and J. H. Silverman, An Introduction to Mathematical Cryptograph, Springer-Newyork, 2008. CR - [4] C. Paar, J. Pelzl, Understanding Cryptograph, Springer-Verlag, 2010. CR - [5] A. Sinkov, Elementary Cryptanalysis - A Mathematical Approach, New Math- ematical Library, No. 22, Mathematical Association of America, 1966. UR - https://dergipark.org.tr/en/pub/jnt/issue//385336 L1 - https://dergipark.org.tr/en/download/article-file/413080 ER -