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.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator implements org.bouncycastle.cert.crmf.ValueDecryptorGenerator
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator
  super_class: java.lang.Object
{
  private java.security.PrivateKey recipientKey;
    descriptor: Ljava/security/PrivateKey;
    flags: (0x0002) ACC_PRIVATE

  private org.bouncycastle.cert.crmf.jcajce.CRMFHelper helper;
    descriptor: Lorg/bouncycastle/cert/crmf/jcajce/CRMFHelper;
    flags: (0x0002) ACC_PRIVATE

  private java.security.Provider provider;
    descriptor: Ljava/security/Provider;
    flags: (0x0002) ACC_PRIVATE

  private java.lang.String providerName;
    descriptor: Ljava/lang/String;
    flags: (0x0002) ACC_PRIVATE

  public void <init>(java.security.PrivateKey);
    descriptor: (Ljava/security/PrivateKey;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator this
        start local 1 // java.security.PrivateKey recipientKey
         0: .line 30
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 26
            aload 0 /* this */
            new org.bouncycastle.cert.crmf.jcajce.CRMFHelper
            dup
            new org.bouncycastle.jcajce.util.DefaultJcaJceHelper
            dup
            invokespecial org.bouncycastle.jcajce.util.DefaultJcaJceHelper.<init>:()V
            invokespecial org.bouncycastle.cert.crmf.jcajce.CRMFHelper.<init>:(Lorg/bouncycastle/jcajce/util/JcaJceHelper;)V
            putfield org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator.helper:Lorg/bouncycastle/cert/crmf/jcajce/CRMFHelper;
         2: .line 27
            aload 0 /* this */
            aconst_null
            putfield org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator.provider:Ljava/security/Provider;
         3: .line 28
            aload 0 /* this */
            aconst_null
            putfield org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator.providerName:Ljava/lang/String;
         4: .line 32
            aload 0 /* this */
            aload 1 /* recipientKey */
            putfield org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator.recipientKey:Ljava/security/PrivateKey;
         5: .line 33
            return
        end local 1 // java.security.PrivateKey recipientKey
        end local 0 // org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    6     0          this  Lorg/bouncycastle/cert/crmf/jcajce/JceAsymmetricValueDecryptorGenerator;
            0    6     1  recipientKey  Ljava/security/PrivateKey;
    MethodParameters:
              Name  Flags
      recipientKey  

  public org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator setProvider(java.security.Provider);
    descriptor: (Ljava/security/Provider;)Lorg/bouncycastle/cert/crmf/jcajce/JceAsymmetricValueDecryptorGenerator;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=2, args_size=2
        start local 0 // org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator this
        start local 1 // java.security.Provider provider
         0: .line 37
            aload 0 /* this */
            new org.bouncycastle.cert.crmf.jcajce.CRMFHelper
            dup
            new org.bouncycastle.jcajce.util.ProviderJcaJceHelper
            dup
            aload 1 /* provider */
            invokespecial org.bouncycastle.jcajce.util.ProviderJcaJceHelper.<init>:(Ljava/security/Provider;)V
            invokespecial org.bouncycastle.cert.crmf.jcajce.CRMFHelper.<init>:(Lorg/bouncycastle/jcajce/util/JcaJceHelper;)V
            putfield org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator.helper:Lorg/bouncycastle/cert/crmf/jcajce/CRMFHelper;
         1: .line 38
            aload 0 /* this */
            aload 1 /* provider */
            putfield org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator.provider:Ljava/security/Provider;
         2: .line 39
            aload 0 /* this */
            aconst_null
            putfield org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator.providerName:Ljava/lang/String;
         3: .line 41
            aload 0 /* this */
            areturn
        end local 1 // java.security.Provider provider
        end local 0 // org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    4     0      this  Lorg/bouncycastle/cert/crmf/jcajce/JceAsymmetricValueDecryptorGenerator;
            0    4     1  provider  Ljava/security/Provider;
    MethodParameters:
          Name  Flags
      provider  

  public org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator setProvider(java.lang.String);
    descriptor: (Ljava/lang/String;)Lorg/bouncycastle/cert/crmf/jcajce/JceAsymmetricValueDecryptorGenerator;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=2, args_size=2
        start local 0 // org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator this
        start local 1 // java.lang.String providerName
         0: .line 46
            aload 0 /* this */
            new org.bouncycastle.cert.crmf.jcajce.CRMFHelper
            dup
            new org.bouncycastle.jcajce.util.NamedJcaJceHelper
            dup
            aload 1 /* providerName */
            invokespecial org.bouncycastle.jcajce.util.NamedJcaJceHelper.<init>:(Ljava/lang/String;)V
            invokespecial org.bouncycastle.cert.crmf.jcajce.CRMFHelper.<init>:(Lorg/bouncycastle/jcajce/util/JcaJceHelper;)V
            putfield org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator.helper:Lorg/bouncycastle/cert/crmf/jcajce/CRMFHelper;
         1: .line 47
            aload 0 /* this */
            aconst_null
            putfield org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator.provider:Ljava/security/Provider;
         2: .line 48
            aload 0 /* this */
            aload 1 /* providerName */
            putfield org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator.providerName:Ljava/lang/String;
         3: .line 50
            aload 0 /* this */
            areturn
        end local 1 // java.lang.String providerName
        end local 0 // org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    4     0          this  Lorg/bouncycastle/cert/crmf/jcajce/JceAsymmetricValueDecryptorGenerator;
            0    4     1  providerName  Ljava/lang/String;
    MethodParameters:
              Name  Flags
      providerName  

  private java.security.Key extractSecretKey(org.bouncycastle.asn1.x509.AlgorithmIdentifier, org.bouncycastle.asn1.x509.AlgorithmIdentifier, byte[]);
    descriptor: (Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;[B)Ljava/security/Key;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=5, args_size=4
        start local 0 // org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator this
        start local 1 // org.bouncycastle.asn1.x509.AlgorithmIdentifier keyEncryptionAlgorithm
        start local 2 // org.bouncycastle.asn1.x509.AlgorithmIdentifier contentEncryptionAlgorithm
        start local 3 // byte[] encryptedContentEncryptionKey
         0: .line 58
            new org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper
            dup
            aload 1 /* keyEncryptionAlgorithm */
            aload 0 /* this */
            getfield org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator.recipientKey:Ljava/security/PrivateKey;
            invokespecial org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper.<init>:(Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;Ljava/security/PrivateKey;)V
            astore 4 /* unwrapper */
        start local 4 // org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper unwrapper
         1: .line 59
            aload 0 /* this */
            getfield org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator.provider:Ljava/security/Provider;
            ifnull 3
         2: .line 61
            aload 4 /* unwrapper */
            aload 0 /* this */
            getfield org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator.provider:Ljava/security/Provider;
            invokevirtual org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper.setProvider:(Ljava/security/Provider;)Lorg/bouncycastle/operator/jcajce/JceAsymmetricKeyUnwrapper;
            pop
         3: .line 63
      StackMap locals: org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator.providerName:Ljava/lang/String;
            ifnull 5
         4: .line 65
            aload 4 /* unwrapper */
            aload 0 /* this */
            getfield org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator.providerName:Ljava/lang/String;
            invokevirtual org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper.setProvider:(Ljava/lang/String;)Lorg/bouncycastle/operator/jcajce/JceAsymmetricKeyUnwrapper;
            pop
         5: .line 68
      StackMap locals:
      StackMap stack:
            new javax.crypto.spec.SecretKeySpec
            dup
            aload 4 /* unwrapper */
            aload 2 /* contentEncryptionAlgorithm */
            aload 3 /* encryptedContentEncryptionKey */
            invokevirtual org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper.generateUnwrappedKey:(Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;[B)Lorg/bouncycastle/operator/GenericKey;
            invokevirtual org.bouncycastle.operator.GenericKey.getRepresentation:()Ljava/lang/Object;
            checkcast byte[]
            aload 2 /* contentEncryptionAlgorithm */
            invokevirtual org.bouncycastle.asn1.x509.AlgorithmIdentifier.getAlgorithm:()Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual org.bouncycastle.asn1.ASN1ObjectIdentifier.getId:()Ljava/lang/String;
            invokespecial javax.crypto.spec.SecretKeySpec.<init>:([BLjava/lang/String;)V
         6: areturn
        end local 4 // org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper unwrapper
         7: .line 70
      StackMap locals: org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator org.bouncycastle.asn1.x509.AlgorithmIdentifier org.bouncycastle.asn1.x509.AlgorithmIdentifier byte[]
      StackMap stack: org.bouncycastle.operator.OperatorException
            astore 4 /* e */
        start local 4 // org.bouncycastle.operator.OperatorException e
         8: .line 72
            new org.bouncycastle.cert.crmf.CRMFException
            dup
            new java.lang.StringBuilder
            dup
            ldc "key invalid in message: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 4 /* 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 4 /* e */
            invokespecial org.bouncycastle.cert.crmf.CRMFException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 4 // org.bouncycastle.operator.OperatorException e
        end local 3 // byte[] encryptedContentEncryptionKey
        end local 2 // org.bouncycastle.asn1.x509.AlgorithmIdentifier contentEncryptionAlgorithm
        end local 1 // org.bouncycastle.asn1.x509.AlgorithmIdentifier keyEncryptionAlgorithm
        end local 0 // org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator this
      LocalVariableTable:
        Start  End  Slot                           Name  Signature
            0    9     0                           this  Lorg/bouncycastle/cert/crmf/jcajce/JceAsymmetricValueDecryptorGenerator;
            0    9     1         keyEncryptionAlgorithm  Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            0    9     2     contentEncryptionAlgorithm  Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            0    9     3  encryptedContentEncryptionKey  [B
            1    7     4                      unwrapper  Lorg/bouncycastle/operator/jcajce/JceAsymmetricKeyUnwrapper;
            8    9     4                              e  Lorg/bouncycastle/operator/OperatorException;
      Exception table:
        from    to  target  type
           0     6       7  Class org.bouncycastle.operator.OperatorException
    Exceptions:
      throws org.bouncycastle.cert.crmf.CRMFException
    MethodParameters:
                               Name  Flags
      keyEncryptionAlgorithm         
      contentEncryptionAlgorithm     
      encryptedContentEncryptionKey  

  public org.bouncycastle.operator.InputDecryptor getValueDecryptor(org.bouncycastle.asn1.x509.AlgorithmIdentifier, org.bouncycastle.asn1.x509.AlgorithmIdentifier, byte[]);
    descriptor: (Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;[B)Lorg/bouncycastle/operator/InputDecryptor;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=6, args_size=4
        start local 0 // org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator this
        start local 1 // org.bouncycastle.asn1.x509.AlgorithmIdentifier keyEncryptionAlgorithm
        start local 2 // org.bouncycastle.asn1.x509.AlgorithmIdentifier contentEncryptionAlgorithm
        start local 3 // byte[] encryptedContentEncryptionKey
         0: .line 79
            aload 0 /* this */
            aload 1 /* keyEncryptionAlgorithm */
            aload 2 /* contentEncryptionAlgorithm */
            aload 3 /* encryptedContentEncryptionKey */
            invokevirtual org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator.extractSecretKey:(Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;[B)Ljava/security/Key;
            astore 4 /* secretKey */
        start local 4 // java.security.Key secretKey
         1: .line 81
            aload 0 /* this */
            getfield org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator.helper:Lorg/bouncycastle/cert/crmf/jcajce/CRMFHelper;
            aload 4 /* secretKey */
            aload 2 /* contentEncryptionAlgorithm */
            invokevirtual org.bouncycastle.cert.crmf.jcajce.CRMFHelper.createContentCipher:(Ljava/security/Key;Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;)Ljavax/crypto/Cipher;
            astore 5 /* dataCipher */
        start local 5 // javax.crypto.Cipher dataCipher
         2: .line 83
            new org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator$1
            dup
            aload 0 /* this */
            aload 2 /* contentEncryptionAlgorithm */
            aload 5 /* dataCipher */
            invokespecial org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator$1.<init>:(Lorg/bouncycastle/cert/crmf/jcajce/JceAsymmetricValueDecryptorGenerator;Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;Ljavax/crypto/Cipher;)V
            areturn
        end local 5 // javax.crypto.Cipher dataCipher
        end local 4 // java.security.Key secretKey
        end local 3 // byte[] encryptedContentEncryptionKey
        end local 2 // org.bouncycastle.asn1.x509.AlgorithmIdentifier contentEncryptionAlgorithm
        end local 1 // org.bouncycastle.asn1.x509.AlgorithmIdentifier keyEncryptionAlgorithm
        end local 0 // org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator this
      LocalVariableTable:
        Start  End  Slot                           Name  Signature
            0    3     0                           this  Lorg/bouncycastle/cert/crmf/jcajce/JceAsymmetricValueDecryptorGenerator;
            0    3     1         keyEncryptionAlgorithm  Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            0    3     2     contentEncryptionAlgorithm  Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            0    3     3  encryptedContentEncryptionKey  [B
            1    3     4                      secretKey  Ljava/security/Key;
            2    3     5                     dataCipher  Ljavax/crypto/Cipher;
    Exceptions:
      throws org.bouncycastle.cert.crmf.CRMFException
    MethodParameters:
                               Name  Flags
      keyEncryptionAlgorithm         
      contentEncryptionAlgorithm     final
      encryptedContentEncryptionKey  
}
SourceFile: "JceAsymmetricValueDecryptorGenerator.java"
NestMembers:
  org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator$1
InnerClasses:
  org.bouncycastle.cert.crmf.jcajce.JceAsymmetricValueDecryptorGenerator$1