Introduction - If you have any usage issues, please Google them yourself
DES ECB mode encryption, you can encrypt data files of any length, the last block to insufficient data 8bytes, not simply fill 0. Fill zeros when plaintext block end data is 0, when I do not know how to handle the decryption.
Compile command:
1. Compile the test program make test.
2. Compile the DLL make libdes.so
3. Compile the static library make libdes.a