我写的利用IDEA算法的加密程序，并含文件切割和合并功能。

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COBRA cipher algorithm example.

sha-1算法是目前常用的数字摘要算法，可以为任意长度的数据生成20字节的数字摘要，是数字签名的基础-sha-1 algorithm is commonly used in digital digest algorithm, for arbitrary length of 20 bytes of data generation digital summary is the basis of digital signatures

客户出货与维修-and maintenance of customer shipments

修正了原CMd5类的CaculateStr函数的严重错误，并且转到新的C++类库。此类已经经过验证，文件和字符串均能得到正确结果，支持Unicode（Unicode时不需要转换）-amendment of the original CMd5 CaculateStr function of the type of serious errors and to the new C Class. Such has been validated, documents, and the string to get the correct result, Unicode support (Unicode does not need conversion)

ECC加密算法入门介绍-ECC encryption algorithm introduced entry

128位的AES加密算法、可以在FPGA上实现。利用硬件描述语言Verilog实现。各个模块都有，行变换、列混淆、轮密钥加变换、密钥扩展，并且有说明文档PDPF格式的。有完整的测试程序Testbench。特别适合研究AES加密算法的爱好者。

des演示算法c＋＋实现-des algorithm demonstration implemented by C++

DEC的实现，快点下啊-the realization quickly under ah

VC实现的图像加密算法，采用Arnold变换，对于初涉信息安全的人员有一定参考价值-The algorithm of encrypted image completed in VC, applying the Arnold transform .It is valuable to people who will devote himself to infomation security