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 abstract class org.bouncycastle.cms.KEKRecipientInfoGenerator implements org.bouncycastle.cms.RecipientInfoGenerator
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: org.bouncycastle.cms.KEKRecipientInfoGenerator
  super_class: java.lang.Object
{
  private final org.bouncycastle.asn1.cms.KEKIdentifier kekIdentifier;
    descriptor: Lorg/bouncycastle/asn1/cms/KEKIdentifier;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  protected final org.bouncycastle.operator.SymmetricKeyWrapper wrapper;
    descriptor: Lorg/bouncycastle/operator/SymmetricKeyWrapper;
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL

  protected void <init>(org.bouncycastle.asn1.cms.KEKIdentifier, org.bouncycastle.operator.SymmetricKeyWrapper);
    descriptor: (Lorg/bouncycastle/asn1/cms/KEKIdentifier;Lorg/bouncycastle/operator/SymmetricKeyWrapper;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.bouncycastle.cms.KEKRecipientInfoGenerator this
        start local 1 // org.bouncycastle.asn1.cms.KEKIdentifier kekIdentifier
        start local 2 // org.bouncycastle.operator.SymmetricKeyWrapper wrapper
         0: .line 19
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 21
            aload 0 /* this */
            aload 1 /* kekIdentifier */
            putfield org.bouncycastle.cms.KEKRecipientInfoGenerator.kekIdentifier:Lorg/bouncycastle/asn1/cms/KEKIdentifier;
         2: .line 22
            aload 0 /* this */
            aload 2 /* wrapper */
            putfield org.bouncycastle.cms.KEKRecipientInfoGenerator.wrapper:Lorg/bouncycastle/operator/SymmetricKeyWrapper;
         3: .line 23
            return
        end local 2 // org.bouncycastle.operator.SymmetricKeyWrapper wrapper
        end local 1 // org.bouncycastle.asn1.cms.KEKIdentifier kekIdentifier
        end local 0 // org.bouncycastle.cms.KEKRecipientInfoGenerator this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    4     0           this  Lorg/bouncycastle/cms/KEKRecipientInfoGenerator;
            0    4     1  kekIdentifier  Lorg/bouncycastle/asn1/cms/KEKIdentifier;
            0    4     2        wrapper  Lorg/bouncycastle/operator/SymmetricKeyWrapper;
    MethodParameters:
               Name  Flags
      kekIdentifier  
      wrapper        

  public final org.bouncycastle.asn1.cms.RecipientInfo generate(org.bouncycastle.operator.GenericKey);
    descriptor: (Lorg/bouncycastle/operator/GenericKey;)Lorg/bouncycastle/asn1/cms/RecipientInfo;
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=7, locals=3, args_size=2
        start local 0 // org.bouncycastle.cms.KEKRecipientInfoGenerator this
        start local 1 // org.bouncycastle.operator.GenericKey contentEncryptionKey
         0: .line 30
            new org.bouncycastle.asn1.DEROctetString
            dup
            aload 0 /* this */
            getfield org.bouncycastle.cms.KEKRecipientInfoGenerator.wrapper:Lorg/bouncycastle/operator/SymmetricKeyWrapper;
            aload 1 /* contentEncryptionKey */
            invokevirtual org.bouncycastle.operator.SymmetricKeyWrapper.generateWrappedKey:(Lorg/bouncycastle/operator/GenericKey;)[B
            invokespecial org.bouncycastle.asn1.DEROctetString.<init>:([B)V
            astore 2 /* encryptedKey */
        start local 2 // org.bouncycastle.asn1.ASN1OctetString encryptedKey
         1: .line 32
            new org.bouncycastle.asn1.cms.RecipientInfo
            dup
            new org.bouncycastle.asn1.cms.KEKRecipientInfo
            dup
            aload 0 /* this */
            getfield org.bouncycastle.cms.KEKRecipientInfoGenerator.kekIdentifier:Lorg/bouncycastle/asn1/cms/KEKIdentifier;
            aload 0 /* this */
            getfield org.bouncycastle.cms.KEKRecipientInfoGenerator.wrapper:Lorg/bouncycastle/operator/SymmetricKeyWrapper;
            invokevirtual org.bouncycastle.operator.SymmetricKeyWrapper.getAlgorithmIdentifier:()Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            aload 2 /* encryptedKey */
            invokespecial org.bouncycastle.asn1.cms.KEKRecipientInfo.<init>:(Lorg/bouncycastle/asn1/cms/KEKIdentifier;Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;Lorg/bouncycastle/asn1/ASN1OctetString;)V
            invokespecial org.bouncycastle.asn1.cms.RecipientInfo.<init>:(Lorg/bouncycastle/asn1/cms/KEKRecipientInfo;)V
         2: areturn
        end local 2 // org.bouncycastle.asn1.ASN1OctetString encryptedKey
         3: .line 34
      StackMap locals:
      StackMap stack: org.bouncycastle.operator.OperatorException
            astore 2 /* e */
        start local 2 // org.bouncycastle.operator.OperatorException e
         4: .line 36
            new org.bouncycastle.cms.CMSException
            dup
            new java.lang.StringBuilder
            dup
            ldc "exception wrapping content key: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 2 /* e */
            invokevirtual org.bouncycastle.operator.OperatorException.getMessage:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 2 /* e */
            invokespecial org.bouncycastle.cms.CMSException.<init>:(Ljava/lang/String;Ljava/lang/Exception;)V
            athrow
        end local 2 // org.bouncycastle.operator.OperatorException e
        end local 1 // org.bouncycastle.operator.GenericKey contentEncryptionKey
        end local 0 // org.bouncycastle.cms.KEKRecipientInfoGenerator this
      LocalVariableTable:
        Start  End  Slot                  Name  Signature
            0    5     0                  this  Lorg/bouncycastle/cms/KEKRecipientInfoGenerator;
            0    5     1  contentEncryptionKey  Lorg/bouncycastle/operator/GenericKey;
            1    3     2          encryptedKey  Lorg/bouncycastle/asn1/ASN1OctetString;
            4    5     2                     e  Lorg/bouncycastle/operator/OperatorException;
      Exception table:
        from    to  target  type
           0     2       3  Class org.bouncycastle.operator.OperatorException
    Exceptions:
      throws org.bouncycastle.cms.CMSException
    MethodParameters:
                      Name  Flags
      contentEncryptionKey  
}
SourceFile: "KEKRecipientInfoGenerator.java"