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.operator.bc.BcAsymmetricKeyUnwrapper extends org.bouncycastle.operator.AsymmetricKeyUnwrapper
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: org.bouncycastle.operator.bc.BcAsymmetricKeyUnwrapper
  super_class: org.bouncycastle.operator.AsymmetricKeyUnwrapper
{
  private org.bouncycastle.crypto.params.AsymmetricKeyParameter privateKey;
    descriptor: Lorg/bouncycastle/crypto/params/AsymmetricKeyParameter;
    flags: (0x0002) ACC_PRIVATE

  public void <init>(org.bouncycastle.asn1.x509.AlgorithmIdentifier, org.bouncycastle.crypto.params.AsymmetricKeyParameter);
    descriptor: (Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;Lorg/bouncycastle/crypto/params/AsymmetricKeyParameter;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.bouncycastle.operator.bc.BcAsymmetricKeyUnwrapper this
        start local 1 // org.bouncycastle.asn1.x509.AlgorithmIdentifier encAlgId
        start local 2 // org.bouncycastle.crypto.params.AsymmetricKeyParameter privateKey
         0: .line 20
            aload 0 /* this */
            aload 1 /* encAlgId */
            invokespecial org.bouncycastle.operator.AsymmetricKeyUnwrapper.<init>:(Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;)V
         1: .line 22
            aload 0 /* this */
            aload 2 /* privateKey */
            putfield org.bouncycastle.operator.bc.BcAsymmetricKeyUnwrapper.privateKey:Lorg/bouncycastle/crypto/params/AsymmetricKeyParameter;
         2: .line 23
            return
        end local 2 // org.bouncycastle.crypto.params.AsymmetricKeyParameter privateKey
        end local 1 // org.bouncycastle.asn1.x509.AlgorithmIdentifier encAlgId
        end local 0 // org.bouncycastle.operator.bc.BcAsymmetricKeyUnwrapper this
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    3     0        this  Lorg/bouncycastle/operator/bc/BcAsymmetricKeyUnwrapper;
            0    3     1    encAlgId  Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            0    3     2  privateKey  Lorg/bouncycastle/crypto/params/AsymmetricKeyParameter;
    MethodParameters:
            Name  Flags
      encAlgId    
      privateKey  

  public org.bouncycastle.operator.GenericKey generateUnwrappedKey(org.bouncycastle.asn1.x509.AlgorithmIdentifier, byte[]);
    descriptor: (Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;[B)Lorg/bouncycastle/operator/GenericKey;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=5, args_size=3
        start local 0 // org.bouncycastle.operator.bc.BcAsymmetricKeyUnwrapper this
        start local 1 // org.bouncycastle.asn1.x509.AlgorithmIdentifier encryptedKeyAlgorithm
        start local 2 // byte[] encryptedKey
         0: .line 28
            aload 0 /* this */
            aload 0 /* this */
            invokevirtual org.bouncycastle.operator.bc.BcAsymmetricKeyUnwrapper.getAlgorithmIdentifier:()Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            invokevirtual org.bouncycastle.asn1.x509.AlgorithmIdentifier.getAlgorithm:()Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual org.bouncycastle.operator.bc.BcAsymmetricKeyUnwrapper.createAsymmetricUnwrapper:(Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;)Lorg/bouncycastle/crypto/AsymmetricBlockCipher;
            astore 3 /* keyCipher */
        start local 3 // org.bouncycastle.crypto.AsymmetricBlockCipher keyCipher
         1: .line 30
            aload 3 /* keyCipher */
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.operator.bc.BcAsymmetricKeyUnwrapper.privateKey:Lorg/bouncycastle/crypto/params/AsymmetricKeyParameter;
            invokeinterface org.bouncycastle.crypto.AsymmetricBlockCipher.init:(ZLorg/bouncycastle/crypto/CipherParameters;)V
         2: .line 33
            aload 3 /* keyCipher */
            aload 2 /* encryptedKey */
            iconst_0
            aload 2 /* encryptedKey */
            arraylength
            invokeinterface org.bouncycastle.crypto.AsymmetricBlockCipher.processBlock:([BII)[B
            astore 4 /* key */
        start local 4 // byte[] key
         3: .line 35
            aload 1 /* encryptedKeyAlgorithm */
            invokevirtual org.bouncycastle.asn1.x509.AlgorithmIdentifier.getAlgorithm:()Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            getstatic org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers.des_EDE3_CBC:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual org.bouncycastle.asn1.ASN1ObjectIdentifier.equals:(Ljava/lang/Object;)Z
            ifeq 6
         4: .line 37
            new org.bouncycastle.operator.GenericKey
            dup
            aload 1 /* encryptedKeyAlgorithm */
            aload 4 /* key */
            invokespecial org.bouncycastle.operator.GenericKey.<init>:(Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;[B)V
         5: areturn
         6: .line 41
      StackMap locals: org.bouncycastle.crypto.AsymmetricBlockCipher byte[]
      StackMap stack:
            new org.bouncycastle.operator.GenericKey
            dup
            aload 1 /* encryptedKeyAlgorithm */
            aload 4 /* key */
            invokespecial org.bouncycastle.operator.GenericKey.<init>:(Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;[B)V
         7: areturn
        end local 4 // byte[] key
         8: .line 44
      StackMap locals: org.bouncycastle.operator.bc.BcAsymmetricKeyUnwrapper org.bouncycastle.asn1.x509.AlgorithmIdentifier byte[] org.bouncycastle.crypto.AsymmetricBlockCipher
      StackMap stack: org.bouncycastle.crypto.InvalidCipherTextException
            astore 4 /* e */
        start local 4 // org.bouncycastle.crypto.InvalidCipherTextException e
         9: .line 46
            new org.bouncycastle.operator.OperatorException
            dup
            new java.lang.StringBuilder
            dup
            ldc "unable to recover secret key: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 4 /* e */
            invokevirtual org.bouncycastle.crypto.InvalidCipherTextException.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.operator.OperatorException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 4 // org.bouncycastle.crypto.InvalidCipherTextException e
        end local 3 // org.bouncycastle.crypto.AsymmetricBlockCipher keyCipher
        end local 2 // byte[] encryptedKey
        end local 1 // org.bouncycastle.asn1.x509.AlgorithmIdentifier encryptedKeyAlgorithm
        end local 0 // org.bouncycastle.operator.bc.BcAsymmetricKeyUnwrapper this
      LocalVariableTable:
        Start  End  Slot                   Name  Signature
            0   10     0                   this  Lorg/bouncycastle/operator/bc/BcAsymmetricKeyUnwrapper;
            0   10     1  encryptedKeyAlgorithm  Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            0   10     2           encryptedKey  [B
            1   10     3              keyCipher  Lorg/bouncycastle/crypto/AsymmetricBlockCipher;
            3    8     4                    key  [B
            9   10     4                      e  Lorg/bouncycastle/crypto/InvalidCipherTextException;
      Exception table:
        from    to  target  type
           2     5       8  Class org.bouncycastle.crypto.InvalidCipherTextException
           6     7       8  Class org.bouncycastle.crypto.InvalidCipherTextException
    Exceptions:
      throws org.bouncycastle.operator.OperatorException
    MethodParameters:
                       Name  Flags
      encryptedKeyAlgorithm  
      encryptedKey           

  protected abstract org.bouncycastle.crypto.AsymmetricBlockCipher createAsymmetricUnwrapper(org.bouncycastle.asn1.ASN1ObjectIdentifier);
    descriptor: (Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;)Lorg/bouncycastle/crypto/AsymmetricBlockCipher;
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    MethodParameters:
           Name  Flags
      algorithm  
}
SourceFile: "BcAsymmetricKeyUnwrapper.java"