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.cms.jcajce.JceCMSMacCalculatorBuilder$CMSMacCalculator implements org.bouncycastle.operator.MacCalculator
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder$CMSMacCalculator
  super_class: java.lang.Object
{
  private javax.crypto.SecretKey encKey;
    descriptor: Ljavax/crypto/SecretKey;
    flags: (0x0002) ACC_PRIVATE

  private org.bouncycastle.asn1.x509.AlgorithmIdentifier algorithmIdentifier;
    descriptor: Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
    flags: (0x0002) ACC_PRIVATE

  private javax.crypto.Mac mac;
    descriptor: Ljavax/crypto/Mac;
    flags: (0x0002) ACC_PRIVATE

  final org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder this$0;
    descriptor: Lorg/bouncycastle/cms/jcajce/JceCMSMacCalculatorBuilder;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  void <init>(org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder, org.bouncycastle.asn1.ASN1ObjectIdentifier, int, java.security.AlgorithmParameters, java.security.SecureRandom);
    descriptor: (Lorg/bouncycastle/cms/jcajce/JceCMSMacCalculatorBuilder;Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;ILjava/security/AlgorithmParameters;Ljava/security/SecureRandom;)V
    flags: (0x0000) 
    Code:
      stack=4, locals=7, args_size=6
        start local 0 // org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder$CMSMacCalculator this
        start local 2 // org.bouncycastle.asn1.ASN1ObjectIdentifier macOID
        start local 3 // int keySize
        start local 4 // java.security.AlgorithmParameters params
        start local 5 // java.security.SecureRandom random
         0: .line 107
            aload 0 /* this */
            aload 1
            putfield org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder$CMSMacCalculator.this$0:Lorg/bouncycastle/cms/jcajce/JceCMSMacCalculatorBuilder;
         1: .line 105
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         2: .line 108
            aload 1
            getfield org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder.helper:Lorg/bouncycastle/cms/jcajce/EnvelopedDataHelper;
            aload 2 /* macOID */
            invokevirtual org.bouncycastle.cms.jcajce.EnvelopedDataHelper.createKeyGenerator:(Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;)Ljavax/crypto/KeyGenerator;
            astore 6 /* keyGen */
        start local 6 // javax.crypto.KeyGenerator keyGen
         3: .line 110
            aload 5 /* random */
            ifnonnull 5
         4: .line 112
            new java.security.SecureRandom
            dup
            invokespecial java.security.SecureRandom.<init>:()V
            astore 5 /* random */
         5: .line 115
      StackMap locals: org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder$CMSMacCalculator org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder org.bouncycastle.asn1.ASN1ObjectIdentifier int java.security.AlgorithmParameters java.security.SecureRandom javax.crypto.KeyGenerator
      StackMap stack:
            iload 3 /* keySize */
            ifge 8
         6: .line 117
            aload 6 /* keyGen */
            aload 5 /* random */
            invokevirtual javax.crypto.KeyGenerator.init:(Ljava/security/SecureRandom;)V
         7: .line 118
            goto 9
         8: .line 121
      StackMap locals:
      StackMap stack:
            aload 6 /* keyGen */
            iload 3 /* keySize */
            aload 5 /* random */
            invokevirtual javax.crypto.KeyGenerator.init:(ILjava/security/SecureRandom;)V
         9: .line 124
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 6 /* keyGen */
            invokevirtual javax.crypto.KeyGenerator.generateKey:()Ljavax/crypto/SecretKey;
            putfield org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder$CMSMacCalculator.encKey:Ljavax/crypto/SecretKey;
        10: .line 126
            aload 4 /* params */
            ifnonnull 12
        11: .line 128
            aload 1
            getfield org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder.helper:Lorg/bouncycastle/cms/jcajce/EnvelopedDataHelper;
            aload 2 /* macOID */
            aload 0 /* this */
            getfield org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder$CMSMacCalculator.encKey:Ljavax/crypto/SecretKey;
            aload 5 /* random */
            invokevirtual org.bouncycastle.cms.jcajce.EnvelopedDataHelper.generateParameters:(Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;Ljavax/crypto/SecretKey;Ljava/security/SecureRandom;)Ljava/security/AlgorithmParameters;
            astore 4 /* params */
        12: .line 131
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 1
            getfield org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder.helper:Lorg/bouncycastle/cms/jcajce/EnvelopedDataHelper;
            aload 2 /* macOID */
            aload 4 /* params */
            invokevirtual org.bouncycastle.cms.jcajce.EnvelopedDataHelper.getAlgorithmIdentifier:(Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;Ljava/security/AlgorithmParameters;)Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            putfield org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder$CMSMacCalculator.algorithmIdentifier:Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
        13: .line 132
            aload 0 /* this */
            aload 1
            getfield org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder.helper:Lorg/bouncycastle/cms/jcajce/EnvelopedDataHelper;
            aload 0 /* this */
            getfield org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder$CMSMacCalculator.encKey:Ljavax/crypto/SecretKey;
            aload 0 /* this */
            getfield org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder$CMSMacCalculator.algorithmIdentifier:Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            invokevirtual org.bouncycastle.cms.jcajce.EnvelopedDataHelper.createContentMac:(Ljava/security/Key;Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;)Ljavax/crypto/Mac;
            putfield org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder$CMSMacCalculator.mac:Ljavax/crypto/Mac;
        14: .line 133
            return
        end local 6 // javax.crypto.KeyGenerator keyGen
        end local 5 // java.security.SecureRandom random
        end local 4 // java.security.AlgorithmParameters params
        end local 3 // int keySize
        end local 2 // org.bouncycastle.asn1.ASN1ObjectIdentifier macOID
        end local 0 // org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder$CMSMacCalculator this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0   15     0     this  Lorg/bouncycastle/cms/jcajce/JceCMSMacCalculatorBuilder$CMSMacCalculator;
            0   15     2   macOID  Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            0   15     3  keySize  I
            0   15     4   params  Ljava/security/AlgorithmParameters;
            0   15     5   random  Ljava/security/SecureRandom;
            3   15     6   keyGen  Ljavax/crypto/KeyGenerator;
    Exceptions:
      throws org.bouncycastle.cms.CMSException
    MethodParameters:
         Name  Flags
      this$0   final
      macOID   
      keySize  
      params   
      random   

  public org.bouncycastle.asn1.x509.AlgorithmIdentifier getAlgorithmIdentifier();
    descriptor: ()Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder$CMSMacCalculator this
         0: .line 137
            aload 0 /* this */
            getfield org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder$CMSMacCalculator.algorithmIdentifier:Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            areturn
        end local 0 // org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder$CMSMacCalculator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/cms/jcajce/JceCMSMacCalculatorBuilder$CMSMacCalculator;

  public java.io.OutputStream getOutputStream();
    descriptor: ()Ljava/io/OutputStream;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder$CMSMacCalculator this
         0: .line 142
            new org.bouncycastle.jcajce.io.MacOutputStream
            dup
            aload 0 /* this */
            getfield org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder$CMSMacCalculator.mac:Ljavax/crypto/Mac;
            invokespecial org.bouncycastle.jcajce.io.MacOutputStream.<init>:(Ljavax/crypto/Mac;)V
            areturn
        end local 0 // org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder$CMSMacCalculator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/cms/jcajce/JceCMSMacCalculatorBuilder$CMSMacCalculator;

  public byte[] getMac();
    descriptor: ()[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder$CMSMacCalculator this
         0: .line 147
            aload 0 /* this */
            getfield org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder$CMSMacCalculator.mac:Ljavax/crypto/Mac;
            invokevirtual javax.crypto.Mac.doFinal:()[B
            areturn
        end local 0 // org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder$CMSMacCalculator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/cms/jcajce/JceCMSMacCalculatorBuilder$CMSMacCalculator;

  public org.bouncycastle.operator.GenericKey getKey();
    descriptor: ()Lorg/bouncycastle/operator/GenericKey;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=1, args_size=1
        start local 0 // org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder$CMSMacCalculator this
         0: .line 152
            new org.bouncycastle.operator.jcajce.JceGenericKey
            dup
            aload 0 /* this */
            getfield org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder$CMSMacCalculator.algorithmIdentifier:Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            aload 0 /* this */
            getfield org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder$CMSMacCalculator.encKey:Ljavax/crypto/SecretKey;
            invokespecial org.bouncycastle.operator.jcajce.JceGenericKey.<init>:(Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;Ljava/security/Key;)V
            areturn
        end local 0 // org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder$CMSMacCalculator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/cms/jcajce/JceCMSMacCalculatorBuilder$CMSMacCalculator;
}
SourceFile: "JceCMSMacCalculatorBuilder.java"
NestHost: org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder
InnerClasses:
  private CMSMacCalculator = org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder$CMSMacCalculator of org.bouncycastle.cms.jcajce.JceCMSMacCalculatorBuilder