e458. listing all available symmetric key generators.txt

这里面包含了一百多个JAVA源文件

See also e459 Generating a Symmetric Key. 

    // This method is implemented in e194 Listing All Available Cryptographic Services
    String[] names = getCryptoImpls("KeyGenerator");

An example of the output: 
    HmacSHA1
    Blowfish
    HmacMD5
    TripleDES
    DESede
    DES