this source code implements parse byte stream to x509 cert for android by ndk

Base64算法源码、0x30编解码、Hex编解码，这些一般在银行、通信等中，用于对二进制的数据流进行处理，转换成全可见的ASCII字符。这里提供的是.h和.cpp，简单明了，易于移植。-Base64 source algorithm, 0x30 codec, Hex codec, which generally in the banking, communications, etc., used for binary data stream processing, conversion Che