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原创 Python笔记
a=[set()]*5a[0].add(1)print ab=[]for i in range(5):b.append(set())b[0].add(1)print bc=[1]*5c[0]=2print c
2014-09-16 13:24:03
498
转载 Python的函数参数传递
原址:http://blog.youkuaiyun.com/winterttr/article/details/2590741
2014-09-15 15:42:04
418
原创 Coursera_Stanford密码学公开课 Programming Assignment 6
问题:Your goal in this project is to break RSA when the public modulus N is generated incorrectly. This should serve as yet another reminder not to implement crypto primitives yourself. Normally,
2014-08-25 13:59:03
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原创 Coursera_Stanford密码学公开课 Programming Assignment 5
问题:Your goal this week is to write a program to compute discrete log modulo a prime p. Let g be some element in Z∗p and suppose you are given h in Z∗p such that h=gx where 1≤x≤240. Your go
2014-08-17 18:30:08
1996
原创 Coursera_Stanford密码学公开课 Programming Assignment 4
问题:In this project you will experiment with a padding oracle attack against a toy web site hosted at crypto-class.appspot.com. Padding oracle vulnerabilities affect a wide variety of products, i
2014-08-09 15:57:00
3966
原创 Coursera_Stanford密码学公开课 Programming Assignment 1
题目:通过11个用同样stream cipher密钥加密的密文求最后一个目标密文的明文:Many Time Pad Let us see what goes wrong when a stream cipher key is used more than once.Below are eleven hex-encoded ciphertexts that are the resul
2014-07-05 20:50:19
5129
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