openssl的源码，是开源项目中的代码，里面有加密、解密等其他工具-openssl source code is open source code, there are encryption, decryption, and other tools

Base64加密和解密的开源代码，可直接加入工程进行操作-Base64 encryption and decryption of open source code can be added directly operate the works

软算法库其中包含了额SHA1 SHA256 3DES等开源的代码，其中只要为摘要运算和对称运算多种模式操作。-Soft algorithm library which contains the amount SHA1 SHA256 3DES and other open source code, which is a summary as long as arithmetic operations and symmetric multi-mode operation.