http://www.bouncycastle.org/java.html: The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. This jar contains APIs for JDK 1.5 to JDK 1.8. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs.
  • The Legion of the Bouncy Castle Inc. 
public interface org.bouncycastle.operator.DigestCalculatorProvider
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.bouncycastle.operator.DigestCalculatorProvider
  super_class: java.lang.Object
{
  public abstract org.bouncycastle.operator.DigestCalculator get(org.bouncycastle.asn1.x509.AlgorithmIdentifier);
    descriptor: (Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;)Lorg/bouncycastle/operator/DigestCalculator;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Exceptions:
      throws org.bouncycastle.operator.OperatorCreationException
    MethodParameters:
                           Name  Flags
      digestAlgorithmIdentifier  
}
SourceFile: "DigestCalculatorProvider.java"