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. 
class org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder$1 implements org.bouncycastle.operator.DigestCalculatorProvider
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder$1
  super_class: java.lang.Object
{
  final org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder this$0;
    descriptor: Lorg/bouncycastle/operator/jcajce/JcaDigestCalculatorProviderBuilder;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  void <init>(org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder);
    descriptor: (Lorg/bouncycastle/operator/jcajce/JcaDigestCalculatorProviderBuilder;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder$1 this
         0: .line 42
            aload 0 /* this */
            aload 1
            putfield org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder$1.this$0:Lorg/bouncycastle/operator/jcajce/JcaDigestCalculatorProviderBuilder;
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/operator/jcajce/JcaDigestCalculatorProviderBuilder$1;
    MethodParameters:
        Name  Flags
      this$0  final

  public org.bouncycastle.operator.DigestCalculator get(org.bouncycastle.asn1.x509.AlgorithmIdentifier);
    descriptor: (Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;)Lorg/bouncycastle/operator/DigestCalculator;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=4, args_size=2
        start local 0 // org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder$1 this
        start local 1 // org.bouncycastle.asn1.x509.AlgorithmIdentifier algorithm
         0: .line 51
            aload 0 /* this */
            getfield org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder$1.this$0:Lorg/bouncycastle/operator/jcajce/JcaDigestCalculatorProviderBuilder;
            getfield org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder.helper:Lorg/bouncycastle/operator/jcajce/OperatorHelper;
            aload 1 /* algorithm */
            invokevirtual org.bouncycastle.operator.jcajce.OperatorHelper.createDigest:(Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;)Ljava/security/MessageDigest;
            astore 3 /* dig */
        start local 3 // java.security.MessageDigest dig
         1: .line 53
            new org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder$DigestOutputStream
            dup
            aload 0 /* this */
            getfield org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder$1.this$0:Lorg/bouncycastle/operator/jcajce/JcaDigestCalculatorProviderBuilder;
            aload 3 /* dig */
            invokespecial org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder$DigestOutputStream.<init>:(Lorg/bouncycastle/operator/jcajce/JcaDigestCalculatorProviderBuilder;Ljava/security/MessageDigest;)V
            astore 2 /* stream */
        end local 3 // java.security.MessageDigest dig
        start local 2 // org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder$DigestOutputStream stream
         2: .line 54
            goto 5
        end local 2 // org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder$DigestOutputStream stream
         3: .line 55
      StackMap locals:
      StackMap stack: java.security.GeneralSecurityException
            astore 3 /* e */
        start local 3 // java.security.GeneralSecurityException e
         4: .line 57
            new org.bouncycastle.operator.OperatorCreationException
            dup
            new java.lang.StringBuilder
            dup
            ldc "exception on setup: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 3 /* e */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 3 /* e */
            invokespecial org.bouncycastle.operator.OperatorCreationException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 3 // java.security.GeneralSecurityException e
        start local 2 // org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder$DigestOutputStream stream
         5: .line 60
      StackMap locals: org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder$DigestOutputStream
      StackMap stack:
            new org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder$1$1
            dup
            aload 0 /* this */
            aload 1 /* algorithm */
            aload 2 /* stream */
            invokespecial org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder$1$1.<init>:(Lorg/bouncycastle/operator/jcajce/JcaDigestCalculatorProviderBuilder$1;Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;Lorg/bouncycastle/operator/jcajce/JcaDigestCalculatorProviderBuilder$DigestOutputStream;)V
            areturn
        end local 2 // org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder$DigestOutputStream stream
        end local 1 // org.bouncycastle.asn1.x509.AlgorithmIdentifier algorithm
        end local 0 // org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder$1 this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    6     0       this  Lorg/bouncycastle/operator/jcajce/JcaDigestCalculatorProviderBuilder$1;
            0    6     1  algorithm  Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            2    3     2     stream  Lorg/bouncycastle/operator/jcajce/JcaDigestCalculatorProviderBuilder$DigestOutputStream;
            5    6     2     stream  Lorg/bouncycastle/operator/jcajce/JcaDigestCalculatorProviderBuilder$DigestOutputStream;
            1    2     3        dig  Ljava/security/MessageDigest;
            4    5     3          e  Ljava/security/GeneralSecurityException;
      Exception table:
        from    to  target  type
           0     2       3  Class java.security.GeneralSecurityException
    Exceptions:
      throws org.bouncycastle.operator.OperatorCreationException
    MethodParameters:
           Name  Flags
      algorithm  final
}
SourceFile: "JcaDigestCalculatorProviderBuilder.java"
EnclosingMethod: org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder.build:()Lorg/bouncycastle/operator/DigestCalculatorProvider;
NestHost: org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder
InnerClasses:
  org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder$1
  org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder$1$1
  private DigestOutputStream = org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder$DigestOutputStream of org.bouncycastle.operator.jcajce.JcaDigestCalculatorProviderBuilder