解密函数将密文分组和密钥矩阵作为输入,输出对应的明文分组。 defencrypt(plaintext,key_matrix):ciphertext=[]forgroupinplaintext:group_matrix=[letter_to_number[letter]forletteringroup]encrypted_group=[(sum([group_matrix[i]*key_matrix[i][j]foriinrange(len(group_matrix))])%26)forjinrange(len(key...
AI检测代码解析 defencrypt(key,plaintext):plaintext_numbers=text_to_numbers(plaintext)# 确保文本长度是密钥矩阵行数的倍数whilelen(plaintext_numbers)%len(key)!=0:plaintext_numbers.append(0)# 填充0ciphertext=[]foriinrange(0,len(plaintext_numbers),len(key)):chunk=plaintext_numbers[i:i+len(k...
The Hill Cipher is a polygraphic substitution cipher that uses matrix algebra to encrypt and decrypt messages. This implementation of the Hill Cipher in Python uses the NumPy library to perform matrix operations. Installation Clone the GitHub repository: git clone https://github.com/Jawabreh0/hi...
- bpo-26662: Set PYTHON_FOR_GEN in configure as the Python program to be used for file generation during the build. - bpo-10910: Avoid C++ compilation errors on FreeBSD and OS X. Also update FreedBSD version checks for the original ctype UTF-8 workaround. - bpo-28676: Prevent missing...
hill算法矩阵mod26求逆python hill_cipher 希尔密码 简介 希尔密码(Hill Cipher)是运用基本矩阵论原理的替换密码,由Lester S. Hill在1929年发明。 每个字母当作 $ 26 $ 进制数字:$ A=0, B=1, C=2,\cdots $ 一串字母当成 $ n $ 维向量,跟一个 $ n \times n $ 的矩阵相乘,再将得出的结果模 $ ...