http://github.com/google/tink: Tink is a small cryptographic library that provides a safe, simple, agile and fast way to accomplish some common cryptographic tasks. 
public interface com.google.crypto.tink.PublicKeySign
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.google.crypto.tink.PublicKeySign
  super_class: java.lang.Object
{
  public abstract byte[] sign(byte[]);
    descriptor: ([B)[B
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws java.security.GeneralSecurityException
    MethodParameters:
      Name  Flags
      data  final
}
SourceFile: "PublicKeySign.java"