Submitted on: 10 June 2015.
Revised on: 30 September 2015.
Accepted on: 29 October 2015.
___________________CRYPTOLOGIA---TAYLOR & FRANCIS INC
Submitted on: 30 March 2018.
Revised on: 09 July 2018.
Accepted on: 22 August 2018.
___________________CRYPTOLOGIA---TAYLOR & FRANCIS INC
http://reply.papertrans.cn/1/68/6718/6718-33.png
Submitted on: 25 January 2016.
Revised on: 01 March 2016.
Accepted on: 07 April 2016.
___________________CRYPTOLOGIA---TAYLOR & FRANCIS INC
Submitted on: 17 September 1998.
Revised on: 04 November 1998.
Accepted on: 24 December 1998.
___________________CRYPTOLOGIA---TAYLOR & FRANCIS INC
http://reply.papertrans.cn/1/68/6718/6718-36.png