Generate creative code names and encode/decode secret messages using classic and sophisticated ciphers. Blends nostalgic decoder ring fun with modern cryptographic techniques. Includes Caesar, Vigenère, Polybius, Rail Fence, and hybrid methods. Provides keys for secure message sharing between trusted parties.

使用经典与先进的加密算法生成创意代码名并进行秘密消息的编码与解码，融合了怀旧的解密环乐趣与现代密码技术。包含凯撒密码、维吉尼亚密码、波利比奥斯方阵、铁路栅栏密码及混合方法，提供安全消息共享所需的密钥。