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 class org.bouncycastle.cms.jcajce.JceKeyAgreeAuthenticatedRecipient extends org.bouncycastle.cms.jcajce.JceKeyAgreeRecipient
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.cms.jcajce.JceKeyAgreeAuthenticatedRecipient
  super_class: org.bouncycastle.cms.jcajce.JceKeyAgreeRecipient
{
  public void <init>(java.security.PrivateKey);
    descriptor: (Ljava/security/PrivateKey;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.cms.jcajce.JceKeyAgreeAuthenticatedRecipient this
        start local 1 // java.security.PrivateKey recipientKey
         0: .line 24
            aload 0 /* this */
            aload 1 /* recipientKey */
            invokespecial org.bouncycastle.cms.jcajce.JceKeyAgreeRecipient.<init>:(Ljava/security/PrivateKey;)V
         1: .line 25
            return
        end local 1 // java.security.PrivateKey recipientKey
        end local 0 // org.bouncycastle.cms.jcajce.JceKeyAgreeAuthenticatedRecipient this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    2     0          this  Lorg/bouncycastle/cms/jcajce/JceKeyAgreeAuthenticatedRecipient;
            0    2     1  recipientKey  Ljava/security/PrivateKey;
    MethodParameters:
              Name  Flags
      recipientKey  

  public org.bouncycastle.cms.RecipientOperator getRecipientOperator(org.bouncycastle.asn1.x509.AlgorithmIdentifier, org.bouncycastle.asn1.x509.AlgorithmIdentifier, org.bouncycastle.asn1.x509.SubjectPublicKeyInfo, org.bouncycastle.asn1.ASN1OctetString, byte[]);
    descriptor: (Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;Lorg/bouncycastle/asn1/x509/SubjectPublicKeyInfo;Lorg/bouncycastle/asn1/ASN1OctetString;[B)Lorg/bouncycastle/cms/RecipientOperator;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=8, locals=8, args_size=6
        start local 0 // org.bouncycastle.cms.jcajce.JceKeyAgreeAuthenticatedRecipient this
        start local 1 // org.bouncycastle.asn1.x509.AlgorithmIdentifier keyEncryptionAlgorithm
        start local 2 // org.bouncycastle.asn1.x509.AlgorithmIdentifier contentMacAlgorithm
        start local 3 // org.bouncycastle.asn1.x509.SubjectPublicKeyInfo senderPublicKey
        start local 4 // org.bouncycastle.asn1.ASN1OctetString userKeyingMaterial
        start local 5 // byte[] encryptedContentKey
         0: .line 30
            aload 0 /* this */
            aload 1 /* keyEncryptionAlgorithm */
            aload 2 /* contentMacAlgorithm */
            aload 3 /* senderPublicKey */
            aload 4 /* userKeyingMaterial */
            aload 5 /* encryptedContentKey */
            invokevirtual org.bouncycastle.cms.jcajce.JceKeyAgreeAuthenticatedRecipient.extractSecretKey:(Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;Lorg/bouncycastle/asn1/x509/SubjectPublicKeyInfo;Lorg/bouncycastle/asn1/ASN1OctetString;[B)Ljava/security/Key;
            astore 6 /* secretKey */
        start local 6 // java.security.Key secretKey
         1: .line 32
            aload 0 /* this */
            getfield org.bouncycastle.cms.jcajce.JceKeyAgreeAuthenticatedRecipient.contentHelper:Lorg/bouncycastle/cms/jcajce/EnvelopedDataHelper;
            aload 6 /* secretKey */
            aload 2 /* contentMacAlgorithm */
            invokevirtual org.bouncycastle.cms.jcajce.EnvelopedDataHelper.createContentMac:(Ljava/security/Key;Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;)Ljavax/crypto/Mac;
            astore 7 /* dataMac */
        start local 7 // javax.crypto.Mac dataMac
         2: .line 34
            new org.bouncycastle.cms.RecipientOperator
            dup
            new org.bouncycastle.cms.jcajce.JceKeyAgreeAuthenticatedRecipient$1
            dup
            aload 0 /* this */
            aload 2 /* contentMacAlgorithm */
            aload 6 /* secretKey */
            aload 7 /* dataMac */
            invokespecial org.bouncycastle.cms.jcajce.JceKeyAgreeAuthenticatedRecipient$1.<init>:(Lorg/bouncycastle/cms/jcajce/JceKeyAgreeAuthenticatedRecipient;Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;Ljava/security/Key;Ljavax/crypto/Mac;)V
            invokespecial org.bouncycastle.cms.RecipientOperator.<init>:(Lorg/bouncycastle/operator/MacCalculator;)V
            areturn
        end local 7 // javax.crypto.Mac dataMac
        end local 6 // java.security.Key secretKey
        end local 5 // byte[] encryptedContentKey
        end local 4 // org.bouncycastle.asn1.ASN1OctetString userKeyingMaterial
        end local 3 // org.bouncycastle.asn1.x509.SubjectPublicKeyInfo senderPublicKey
        end local 2 // org.bouncycastle.asn1.x509.AlgorithmIdentifier contentMacAlgorithm
        end local 1 // org.bouncycastle.asn1.x509.AlgorithmIdentifier keyEncryptionAlgorithm
        end local 0 // org.bouncycastle.cms.jcajce.JceKeyAgreeAuthenticatedRecipient this
      LocalVariableTable:
        Start  End  Slot                    Name  Signature
            0    3     0                    this  Lorg/bouncycastle/cms/jcajce/JceKeyAgreeAuthenticatedRecipient;
            0    3     1  keyEncryptionAlgorithm  Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            0    3     2     contentMacAlgorithm  Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            0    3     3         senderPublicKey  Lorg/bouncycastle/asn1/x509/SubjectPublicKeyInfo;
            0    3     4      userKeyingMaterial  Lorg/bouncycastle/asn1/ASN1OctetString;
            0    3     5     encryptedContentKey  [B
            1    3     6               secretKey  Ljava/security/Key;
            2    3     7                 dataMac  Ljavax/crypto/Mac;
    Exceptions:
      throws org.bouncycastle.cms.CMSException
    MethodParameters:
                        Name  Flags
      keyEncryptionAlgorithm  
      contentMacAlgorithm     final
      senderPublicKey         
      userKeyingMaterial      
      encryptedContentKey     
}
SourceFile: "JceKeyAgreeAuthenticatedRecipient.java"
NestMembers:
  org.bouncycastle.cms.jcajce.JceKeyAgreeAuthenticatedRecipient$1
InnerClasses:
  org.bouncycastle.cms.jcajce.JceKeyAgreeAuthenticatedRecipient$1