一蓑烟雨

摘要： Security and Cryptography in Python - Stream Ciphers（1） The practical implementations of One Time Pads Real-life One Time Pad? 1Gb message requires 1G 阅读全文

摘要： Security and Cryptography in Python - One Time Pad XOR Example def xor(x, s): print(x, 'xor', s, '=', x^s) def xorb(x, s): print(bin(x), 'xor', bin(s) 阅读全文

摘要： Security and Cryptography in Python - Frequency Analysis Frequency Analysis cipher = """lrvmnir bpr sumvbwvr jx bpr lmiwv yjeryrkbi jx qmbm wi bpr xjv 阅读全文

摘要： Security and Cryptography in Python - Substitution Cipher A Substitution Cipher has \[ 26! = 403291461126605635584000000 \] possible permutations / po 阅读全文

摘要： Security and Cryptography in Python - Check the performance and understand how fast the space of permutations grows def faculty(n): if n <= 1: return 阅读全文

摘要： Security and Cryptography in Python - Implementing a counter on how many permutations there are from itertools import permutations my_list = [1, 2, 3] 阅读全文

摘要： Security and Cryptography in Python - Attack on Caesar Cipher Crypto Rule #1(Kerckhoffs' Principle) Eve should not be able to break the ciphers even w 阅读全文

摘要： Security and Cryptography in Python - Caesar Cipher Decryption Coding in Python def generate_key(n): letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" key = {} c 阅读全文

摘要： Security and Cryptography in Python - Caesar Cipher Coding in Python def generate_key(n): letters = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" key = {} cnt = 0 for 阅读全文

摘要： Python for Data Science - Next Steps Network analysis using Python Deep learning, reinforcement learning, semi-supervised learning Start practicing Co 阅读全文