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.KeyTransRecipientInfoGenerator 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.KeyTransRecipientInfoGenerator
  super_class: java.lang.Object
{
  protected final org.bouncycastle.operator.AsymmetricKeyWrapper wrapper;
    descriptor: Lorg/bouncycastle/operator/AsymmetricKeyWrapper;
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL

  private org.bouncycastle.asn1.cms.IssuerAndSerialNumber issuerAndSerial;
    descriptor: Lorg/bouncycastle/asn1/cms/IssuerAndSerialNumber;
    flags: (0x0002) ACC_PRIVATE

  private byte[] subjectKeyIdentifier;
    descriptor: [B
    flags: (0x0002) ACC_PRIVATE

  protected void <init>(org.bouncycastle.asn1.cms.IssuerAndSerialNumber, org.bouncycastle.operator.AsymmetricKeyWrapper);
    descriptor: (Lorg/bouncycastle/asn1/cms/IssuerAndSerialNumber;Lorg/bouncycastle/operator/AsymmetricKeyWrapper;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.bouncycastle.cms.KeyTransRecipientInfoGenerator this
        start local 1 // org.bouncycastle.asn1.cms.IssuerAndSerialNumber issuerAndSerial
        start local 2 // org.bouncycastle.operator.AsymmetricKeyWrapper wrapper
         0: .line 20
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 22
            aload 0 /* this */
            aload 1 /* issuerAndSerial */
            putfield org.bouncycastle.cms.KeyTransRecipientInfoGenerator.issuerAndSerial:Lorg/bouncycastle/asn1/cms/IssuerAndSerialNumber;
         2: .line 23
            aload 0 /* this */
            aload 2 /* wrapper */
            putfield org.bouncycastle.cms.KeyTransRecipientInfoGenerator.wrapper:Lorg/bouncycastle/operator/AsymmetricKeyWrapper;
         3: .line 24
            return
        end local 2 // org.bouncycastle.operator.AsymmetricKeyWrapper wrapper
        end local 1 // org.bouncycastle.asn1.cms.IssuerAndSerialNumber issuerAndSerial
        end local 0 // org.bouncycastle.cms.KeyTransRecipientInfoGenerator this
      LocalVariableTable:
        Start  End  Slot             Name  Signature
            0    4     0             this  Lorg/bouncycastle/cms/KeyTransRecipientInfoGenerator;
            0    4     1  issuerAndSerial  Lorg/bouncycastle/asn1/cms/IssuerAndSerialNumber;
            0    4     2          wrapper  Lorg/bouncycastle/operator/AsymmetricKeyWrapper;
    MethodParameters:
                 Name  Flags
      issuerAndSerial  
      wrapper          

  protected void <init>(byte[], org.bouncycastle.operator.AsymmetricKeyWrapper);
    descriptor: ([BLorg/bouncycastle/operator/AsymmetricKeyWrapper;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.bouncycastle.cms.KeyTransRecipientInfoGenerator this
        start local 1 // byte[] subjectKeyIdentifier
        start local 2 // org.bouncycastle.operator.AsymmetricKeyWrapper wrapper
         0: .line 26
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 28
            aload 0 /* this */
            aload 1 /* subjectKeyIdentifier */
            putfield org.bouncycastle.cms.KeyTransRecipientInfoGenerator.subjectKeyIdentifier:[B
         2: .line 29
            aload 0 /* this */
            aload 2 /* wrapper */
            putfield org.bouncycastle.cms.KeyTransRecipientInfoGenerator.wrapper:Lorg/bouncycastle/operator/AsymmetricKeyWrapper;
         3: .line 30
            return
        end local 2 // org.bouncycastle.operator.AsymmetricKeyWrapper wrapper
        end local 1 // byte[] subjectKeyIdentifier
        end local 0 // org.bouncycastle.cms.KeyTransRecipientInfoGenerator this
      LocalVariableTable:
        Start  End  Slot                  Name  Signature
            0    4     0                  this  Lorg/bouncycastle/cms/KeyTransRecipientInfoGenerator;
            0    4     1  subjectKeyIdentifier  [B
            0    4     2               wrapper  Lorg/bouncycastle/operator/AsymmetricKeyWrapper;
    MethodParameters:
                      Name  Flags
      subjectKeyIdentifier  
      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=9, locals=4, args_size=2
        start local 0 // org.bouncycastle.cms.KeyTransRecipientInfoGenerator this
        start local 1 // org.bouncycastle.operator.GenericKey contentEncryptionKey
         0: .line 38
            aload 0 /* this */
            getfield org.bouncycastle.cms.KeyTransRecipientInfoGenerator.wrapper:Lorg/bouncycastle/operator/AsymmetricKeyWrapper;
            aload 1 /* contentEncryptionKey */
            invokevirtual org.bouncycastle.operator.AsymmetricKeyWrapper.generateWrappedKey:(Lorg/bouncycastle/operator/GenericKey;)[B
            astore 2 /* encryptedKeyBytes */
        start local 2 // byte[] encryptedKeyBytes
         1: .line 39
            goto 4
        end local 2 // byte[] encryptedKeyBytes
         2: .line 40
      StackMap locals:
      StackMap stack: org.bouncycastle.operator.OperatorException
            astore 3 /* e */
        start local 3 // org.bouncycastle.operator.OperatorException e
         3: .line 42
            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 3 /* 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 3 /* e */
            invokespecial org.bouncycastle.cms.CMSException.<init>:(Ljava/lang/String;Ljava/lang/Exception;)V
            athrow
        end local 3 // org.bouncycastle.operator.OperatorException e
        start local 2 // byte[] encryptedKeyBytes
         4: .line 46
      StackMap locals: byte[]
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.cms.KeyTransRecipientInfoGenerator.issuerAndSerial:Lorg/bouncycastle/asn1/cms/IssuerAndSerialNumber;
            ifnull 7
         5: .line 48
            new org.bouncycastle.asn1.cms.RecipientIdentifier
            dup
            aload 0 /* this */
            getfield org.bouncycastle.cms.KeyTransRecipientInfoGenerator.issuerAndSerial:Lorg/bouncycastle/asn1/cms/IssuerAndSerialNumber;
            invokespecial org.bouncycastle.asn1.cms.RecipientIdentifier.<init>:(Lorg/bouncycastle/asn1/cms/IssuerAndSerialNumber;)V
            astore 3 /* recipId */
        start local 3 // org.bouncycastle.asn1.cms.RecipientIdentifier recipId
         6: .line 49
            goto 8
        end local 3 // org.bouncycastle.asn1.cms.RecipientIdentifier recipId
         7: .line 52
      StackMap locals:
      StackMap stack:
            new org.bouncycastle.asn1.cms.RecipientIdentifier
            dup
            new org.bouncycastle.asn1.DEROctetString
            dup
            aload 0 /* this */
            getfield org.bouncycastle.cms.KeyTransRecipientInfoGenerator.subjectKeyIdentifier:[B
            invokespecial org.bouncycastle.asn1.DEROctetString.<init>:([B)V
            invokespecial org.bouncycastle.asn1.cms.RecipientIdentifier.<init>:(Lorg/bouncycastle/asn1/ASN1OctetString;)V
            astore 3 /* recipId */
        start local 3 // org.bouncycastle.asn1.cms.RecipientIdentifier recipId
         8: .line 55
      StackMap locals: org.bouncycastle.asn1.cms.RecipientIdentifier
      StackMap stack:
            new org.bouncycastle.asn1.cms.RecipientInfo
            dup
            new org.bouncycastle.asn1.cms.KeyTransRecipientInfo
            dup
            aload 3 /* recipId */
            aload 0 /* this */
            getfield org.bouncycastle.cms.KeyTransRecipientInfoGenerator.wrapper:Lorg/bouncycastle/operator/AsymmetricKeyWrapper;
            invokevirtual org.bouncycastle.operator.AsymmetricKeyWrapper.getAlgorithmIdentifier:()Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
         9: .line 56
            new org.bouncycastle.asn1.DEROctetString
            dup
            aload 2 /* encryptedKeyBytes */
            invokespecial org.bouncycastle.asn1.DEROctetString.<init>:([B)V
            invokespecial org.bouncycastle.asn1.cms.KeyTransRecipientInfo.<init>:(Lorg/bouncycastle/asn1/cms/RecipientIdentifier;Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;Lorg/bouncycastle/asn1/ASN1OctetString;)V
        10: .line 55
            invokespecial org.bouncycastle.asn1.cms.RecipientInfo.<init>:(Lorg/bouncycastle/asn1/cms/KeyTransRecipientInfo;)V
            areturn
        end local 3 // org.bouncycastle.asn1.cms.RecipientIdentifier recipId
        end local 2 // byte[] encryptedKeyBytes
        end local 1 // org.bouncycastle.operator.GenericKey contentEncryptionKey
        end local 0 // org.bouncycastle.cms.KeyTransRecipientInfoGenerator this
      LocalVariableTable:
        Start  End  Slot                  Name  Signature
            0   11     0                  this  Lorg/bouncycastle/cms/KeyTransRecipientInfoGenerator;
            0   11     1  contentEncryptionKey  Lorg/bouncycastle/operator/GenericKey;
            1    2     2     encryptedKeyBytes  [B
            4   11     2     encryptedKeyBytes  [B
            3    4     3                     e  Lorg/bouncycastle/operator/OperatorException;
            6    7     3               recipId  Lorg/bouncycastle/asn1/cms/RecipientIdentifier;
            8   11     3               recipId  Lorg/bouncycastle/asn1/cms/RecipientIdentifier;
      Exception table:
        from    to  target  type
           0     1       2  Class org.bouncycastle.operator.OperatorException
    Exceptions:
      throws org.bouncycastle.cms.CMSException
    MethodParameters:
                      Name  Flags
      contentEncryptionKey  
}
SourceFile: "KeyTransRecipientInfoGenerator.java"