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.bc.BcCMSContentEncryptorBuilder$CMSOutputEncryptor implements org.bouncycastle.operator.OutputEncryptor
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.bouncycastle.cms.bc.BcCMSContentEncryptorBuilder$CMSOutputEncryptor
  super_class: java.lang.Object
{
  private org.bouncycastle.crypto.params.KeyParameter encKey;
    descriptor: Lorg/bouncycastle/crypto/params/KeyParameter;
    flags: (0x0002) ACC_PRIVATE

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

  private java.lang.Object cipher;
    descriptor: Ljava/lang/Object;
    flags: (0x0002) ACC_PRIVATE

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

  void <init>(org.bouncycastle.cms.bc.BcCMSContentEncryptorBuilder, org.bouncycastle.asn1.ASN1ObjectIdentifier, int, java.security.SecureRandom);
    descriptor: (Lorg/bouncycastle/cms/bc/BcCMSContentEncryptorBuilder;Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;ILjava/security/SecureRandom;)V
    flags: (0x0000) 
    Code:
      stack=5, locals=6, args_size=5
        start local 0 // org.bouncycastle.cms.bc.BcCMSContentEncryptorBuilder$CMSOutputEncryptor this
        start local 2 // org.bouncycastle.asn1.ASN1ObjectIdentifier encryptionOID
        start local 3 // int keySize
        start local 4 // java.security.SecureRandom random
         0: .line 85
            aload 0 /* this */
            aload 1
            putfield org.bouncycastle.cms.bc.BcCMSContentEncryptorBuilder$CMSOutputEncryptor.this$0:Lorg/bouncycastle/cms/bc/BcCMSContentEncryptorBuilder;
         1: .line 83
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         2: .line 86
            aload 4 /* random */
            ifnonnull 4
         3: .line 88
            new java.security.SecureRandom
            dup
            invokespecial java.security.SecureRandom.<init>:()V
            astore 4 /* random */
         4: .line 91
      StackMap locals: org.bouncycastle.cms.bc.BcCMSContentEncryptorBuilder$CMSOutputEncryptor org.bouncycastle.cms.bc.BcCMSContentEncryptorBuilder org.bouncycastle.asn1.ASN1ObjectIdentifier int java.security.SecureRandom
      StackMap stack:
            aload 1
            getfield org.bouncycastle.cms.bc.BcCMSContentEncryptorBuilder.helper:Lorg/bouncycastle/cms/bc/EnvelopedDataHelper;
            aload 2 /* encryptionOID */
            aload 4 /* random */
            invokevirtual org.bouncycastle.cms.bc.EnvelopedDataHelper.createKeyGenerator:(Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;Ljava/security/SecureRandom;)Lorg/bouncycastle/crypto/CipherKeyGenerator;
            astore 5 /* keyGen */
        start local 5 // org.bouncycastle.crypto.CipherKeyGenerator keyGen
         5: .line 93
            aload 0 /* this */
            new org.bouncycastle.crypto.params.KeyParameter
            dup
            aload 5 /* keyGen */
            invokevirtual org.bouncycastle.crypto.CipherKeyGenerator.generateKey:()[B
            invokespecial org.bouncycastle.crypto.params.KeyParameter.<init>:([B)V
            putfield org.bouncycastle.cms.bc.BcCMSContentEncryptorBuilder$CMSOutputEncryptor.encKey:Lorg/bouncycastle/crypto/params/KeyParameter;
         6: .line 95
            aload 0 /* this */
            aload 1
            getfield org.bouncycastle.cms.bc.BcCMSContentEncryptorBuilder.helper:Lorg/bouncycastle/cms/bc/EnvelopedDataHelper;
            aload 2 /* encryptionOID */
            aload 0 /* this */
            getfield org.bouncycastle.cms.bc.BcCMSContentEncryptorBuilder$CMSOutputEncryptor.encKey:Lorg/bouncycastle/crypto/params/KeyParameter;
            aload 4 /* random */
            invokevirtual org.bouncycastle.cms.bc.EnvelopedDataHelper.generateEncryptionAlgID:(Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;Lorg/bouncycastle/crypto/params/KeyParameter;Ljava/security/SecureRandom;)Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            putfield org.bouncycastle.cms.bc.BcCMSContentEncryptorBuilder$CMSOutputEncryptor.algorithmIdentifier:Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
         7: .line 97
            aload 0 /* this */
            iconst_1
            aload 0 /* this */
            getfield org.bouncycastle.cms.bc.BcCMSContentEncryptorBuilder$CMSOutputEncryptor.encKey:Lorg/bouncycastle/crypto/params/KeyParameter;
            aload 0 /* this */
            getfield org.bouncycastle.cms.bc.BcCMSContentEncryptorBuilder$CMSOutputEncryptor.algorithmIdentifier:Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            invokestatic org.bouncycastle.cms.bc.EnvelopedDataHelper.createContentCipher:(ZLorg/bouncycastle/crypto/CipherParameters;Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;)Ljava/lang/Object;
            putfield org.bouncycastle.cms.bc.BcCMSContentEncryptorBuilder$CMSOutputEncryptor.cipher:Ljava/lang/Object;
         8: .line 98
            return
        end local 5 // org.bouncycastle.crypto.CipherKeyGenerator keyGen
        end local 4 // java.security.SecureRandom random
        end local 3 // int keySize
        end local 2 // org.bouncycastle.asn1.ASN1ObjectIdentifier encryptionOID
        end local 0 // org.bouncycastle.cms.bc.BcCMSContentEncryptorBuilder$CMSOutputEncryptor this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    9     0           this  Lorg/bouncycastle/cms/bc/BcCMSContentEncryptorBuilder$CMSOutputEncryptor;
            0    9     2  encryptionOID  Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            0    9     3        keySize  I
            0    9     4         random  Ljava/security/SecureRandom;
            5    9     5         keyGen  Lorg/bouncycastle/crypto/CipherKeyGenerator;
    Exceptions:
      throws org.bouncycastle.cms.CMSException
    MethodParameters:
               Name  Flags
      this$0         final
      encryptionOID  
      keySize        
      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.bc.BcCMSContentEncryptorBuilder$CMSOutputEncryptor this
         0: .line 102
            aload 0 /* this */
            getfield org.bouncycastle.cms.bc.BcCMSContentEncryptorBuilder$CMSOutputEncryptor.algorithmIdentifier:Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            areturn
        end local 0 // org.bouncycastle.cms.bc.BcCMSContentEncryptorBuilder$CMSOutputEncryptor this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/cms/bc/BcCMSContentEncryptorBuilder$CMSOutputEncryptor;

  public java.io.OutputStream getOutputStream(java.io.OutputStream);
    descriptor: (Ljava/io/OutputStream;)Ljava/io/OutputStream;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.cms.bc.BcCMSContentEncryptorBuilder$CMSOutputEncryptor this
        start local 1 // java.io.OutputStream dOut
         0: .line 107
            aload 1 /* dOut */
            aload 0 /* this */
            getfield org.bouncycastle.cms.bc.BcCMSContentEncryptorBuilder$CMSOutputEncryptor.cipher:Ljava/lang/Object;
            invokestatic org.bouncycastle.crypto.util.CipherFactory.createOutputStream:(Ljava/io/OutputStream;Ljava/lang/Object;)Lorg/bouncycastle/crypto/io/CipherOutputStream;
            areturn
        end local 1 // java.io.OutputStream dOut
        end local 0 // org.bouncycastle.cms.bc.BcCMSContentEncryptorBuilder$CMSOutputEncryptor this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/cms/bc/BcCMSContentEncryptorBuilder$CMSOutputEncryptor;
            0    1     1  dOut  Ljava/io/OutputStream;
    MethodParameters:
      Name  Flags
      dOut  

  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.bc.BcCMSContentEncryptorBuilder$CMSOutputEncryptor this
         0: .line 112
            new org.bouncycastle.operator.GenericKey
            dup
            aload 0 /* this */
            getfield org.bouncycastle.cms.bc.BcCMSContentEncryptorBuilder$CMSOutputEncryptor.algorithmIdentifier:Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            aload 0 /* this */
            getfield org.bouncycastle.cms.bc.BcCMSContentEncryptorBuilder$CMSOutputEncryptor.encKey:Lorg/bouncycastle/crypto/params/KeyParameter;
            invokevirtual org.bouncycastle.crypto.params.KeyParameter.getKey:()[B
            invokespecial org.bouncycastle.operator.GenericKey.<init>:(Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;[B)V
            areturn
        end local 0 // org.bouncycastle.cms.bc.BcCMSContentEncryptorBuilder$CMSOutputEncryptor this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/cms/bc/BcCMSContentEncryptorBuilder$CMSOutputEncryptor;
}
SourceFile: "BcCMSContentEncryptorBuilder.java"
NestHost: org.bouncycastle.cms.bc.BcCMSContentEncryptorBuilder
InnerClasses:
  private CMSOutputEncryptor = org.bouncycastle.cms.bc.BcCMSContentEncryptorBuilder$CMSOutputEncryptor of org.bouncycastle.cms.bc.BcCMSContentEncryptorBuilder