right software encryption restrictions to prevent the end by sending copies to b...

实现维吉尼亚密码，用键盘接收明文和密钥，屏幕打印密文。-The achievement of Virginia password, use the keyboard to receive explicit and key, screen printing ciphertext.

可以实现16轮32轮等tea加密，可以用C语言进行修改-Can be achieved 16 32 such as tea encryption, can use C language to amend

cryptoboot is set of tools for disk encryption on Unix. It is especially suited to encrypt root partition, so _everything_ (except kernel and cryptoboot inself) is encrypted. -cryptoboot is set of tools for disk encrypt ion on Unix. It is especially suited to encrypt r oot partition. so _everything_ (except kernel and cryptoboot inself) is encrypted.

Crypto api 使用实例，可以学习的例子-Crypto api to use examples, you can learn from examples

LZ77 compression / decompression algorithm-LZ77 compression/decompression algorithm

Fast CRC Algorithmes develop in Delphi. Simple to uses and very fast to run

循环异或-XOR cycle

古典密码算法中的单表代换密码算法、移位密码算法、Vigenere密码算法。算法比较简单，用命令的方式。可以随机生成明文和密钥。-Classical cryptographic algorithm in a single table substitution cipher, transposition cipher, Vigenere cipher. Algorithm is relatively simple, way to use the command. Can be randomly generated and the key explicitly.

文件加码,文件加密文件加 码,文件加密文件加码,文件加密-document to another, encrypted document to another document, document encryption coded document, document encryption document to another, Encryption document to another, encrypted document to another document, document encryption

Base64编码与解码，MD5加密源码 DEMO-Base64 encoding and decoding, MD5 encryption source DEMO