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.operator.jcajce.JceAsymmetricKeyUnwrapper extends org.bouncycastle.operator.AsymmetricKeyUnwrapper
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper
  super_class: org.bouncycastle.operator.AsymmetricKeyUnwrapper
{
  private org.bouncycastle.operator.jcajce.OperatorHelper helper;
    descriptor: Lorg/bouncycastle/operator/jcajce/OperatorHelper;
    flags: (0x0002) ACC_PRIVATE

  private java.util.Map extraMappings;
    descriptor: Ljava/util/Map;
    flags: (0x0002) ACC_PRIVATE

  private java.security.PrivateKey privKey;
    descriptor: Ljava/security/PrivateKey;
    flags: (0x0002) ACC_PRIVATE

  private boolean unwrappedKeyMustBeEncodable;
    descriptor: Z
    flags: (0x0002) ACC_PRIVATE

  public void <init>(org.bouncycastle.asn1.x509.AlgorithmIdentifier, java.security.PrivateKey);
    descriptor: (Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;Ljava/security/PrivateKey;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=3, args_size=3
        start local 0 // org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper this
        start local 1 // org.bouncycastle.asn1.x509.AlgorithmIdentifier algorithmIdentifier
        start local 2 // java.security.PrivateKey privKey
         0: .line 37
            aload 0 /* this */
            aload 1 /* algorithmIdentifier */
            invokespecial org.bouncycastle.operator.AsymmetricKeyUnwrapper.<init>:(Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;)V
         1: .line 30
            aload 0 /* this */
            new org.bouncycastle.operator.jcajce.OperatorHelper
            dup
            new org.bouncycastle.jcajce.util.DefaultJcaJceHelper
            dup
            invokespecial org.bouncycastle.jcajce.util.DefaultJcaJceHelper.<init>:()V
            invokespecial org.bouncycastle.operator.jcajce.OperatorHelper.<init>:(Lorg/bouncycastle/jcajce/util/JcaJceHelper;)V
            putfield org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper.helper:Lorg/bouncycastle/operator/jcajce/OperatorHelper;
         2: .line 31
            aload 0 /* this */
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            putfield org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper.extraMappings:Ljava/util/Map;
         3: .line 39
            aload 0 /* this */
            aload 2 /* privKey */
            putfield org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper.privKey:Ljava/security/PrivateKey;
         4: .line 40
            return
        end local 2 // java.security.PrivateKey privKey
        end local 1 // org.bouncycastle.asn1.x509.AlgorithmIdentifier algorithmIdentifier
        end local 0 // org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper this
      LocalVariableTable:
        Start  End  Slot                 Name  Signature
            0    5     0                 this  Lorg/bouncycastle/operator/jcajce/JceAsymmetricKeyUnwrapper;
            0    5     1  algorithmIdentifier  Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            0    5     2              privKey  Ljava/security/PrivateKey;
    MethodParameters:
                     Name  Flags
      algorithmIdentifier  
      privKey              

  public org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper setProvider(java.security.Provider);
    descriptor: (Ljava/security/Provider;)Lorg/bouncycastle/operator/jcajce/JceAsymmetricKeyUnwrapper;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=2, args_size=2
        start local 0 // org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper this
        start local 1 // java.security.Provider provider
         0: .line 44
            aload 0 /* this */
            new org.bouncycastle.operator.jcajce.OperatorHelper
            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.operator.jcajce.OperatorHelper.<init>:(Lorg/bouncycastle/jcajce/util/JcaJceHelper;)V
            putfield org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper.helper:Lorg/bouncycastle/operator/jcajce/OperatorHelper;
         1: .line 46
            aload 0 /* this */
            areturn
        end local 1 // java.security.Provider provider
        end local 0 // org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    2     0      this  Lorg/bouncycastle/operator/jcajce/JceAsymmetricKeyUnwrapper;
            0    2     1  provider  Ljava/security/Provider;
    MethodParameters:
          Name  Flags
      provider  

  public org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper setProvider(java.lang.String);
    descriptor: (Ljava/lang/String;)Lorg/bouncycastle/operator/jcajce/JceAsymmetricKeyUnwrapper;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=2, args_size=2
        start local 0 // org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper this
        start local 1 // java.lang.String providerName
         0: .line 51
            aload 0 /* this */
            new org.bouncycastle.operator.jcajce.OperatorHelper
            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.operator.jcajce.OperatorHelper.<init>:(Lorg/bouncycastle/jcajce/util/JcaJceHelper;)V
            putfield org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper.helper:Lorg/bouncycastle/operator/jcajce/OperatorHelper;
         1: .line 53
            aload 0 /* this */
            areturn
        end local 1 // java.lang.String providerName
        end local 0 // org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    2     0          this  Lorg/bouncycastle/operator/jcajce/JceAsymmetricKeyUnwrapper;
            0    2     1  providerName  Ljava/lang/String;
    MethodParameters:
              Name  Flags
      providerName  

  public org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper setMustProduceEncodableUnwrappedKey(boolean);
    descriptor: (Z)Lorg/bouncycastle/operator/jcajce/JceAsymmetricKeyUnwrapper;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper this
        start local 1 // boolean unwrappedKeyMustBeEncodable
         0: .line 66
            aload 0 /* this */
            iload 1 /* unwrappedKeyMustBeEncodable */
            putfield org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper.unwrappedKeyMustBeEncodable:Z
         1: .line 68
            aload 0 /* this */
            areturn
        end local 1 // boolean unwrappedKeyMustBeEncodable
        end local 0 // org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper this
      LocalVariableTable:
        Start  End  Slot                         Name  Signature
            0    2     0                         this  Lorg/bouncycastle/operator/jcajce/JceAsymmetricKeyUnwrapper;
            0    2     1  unwrappedKeyMustBeEncodable  Z
    MethodParameters:
                             Name  Flags
      unwrappedKeyMustBeEncodable  

  public org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper setAlgorithmMapping(org.bouncycastle.asn1.ASN1ObjectIdentifier, java.lang.String);
    descriptor: (Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;Ljava/lang/String;)Lorg/bouncycastle/operator/jcajce/JceAsymmetricKeyUnwrapper;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper this
        start local 1 // org.bouncycastle.asn1.ASN1ObjectIdentifier algorithm
        start local 2 // java.lang.String algorithmName
         0: .line 86
            aload 0 /* this */
            getfield org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper.extraMappings:Ljava/util/Map;
            aload 1 /* algorithm */
            aload 2 /* algorithmName */
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         1: .line 88
            aload 0 /* this */
            areturn
        end local 2 // java.lang.String algorithmName
        end local 1 // org.bouncycastle.asn1.ASN1ObjectIdentifier algorithm
        end local 0 // org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    2     0           this  Lorg/bouncycastle/operator/jcajce/JceAsymmetricKeyUnwrapper;
            0    2     1      algorithm  Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            0    2     2  algorithmName  Ljava/lang/String;
    MethodParameters:
               Name  Flags
      algorithm      
      algorithmName  

  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=7, args_size=3
        start local 0 // org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper this
        start local 1 // org.bouncycastle.asn1.x509.AlgorithmIdentifier encryptedKeyAlgorithm
        start local 2 // byte[] encryptedKey
         0: .line 96
            aconst_null
            astore 3 /* sKey */
        start local 3 // java.security.Key sKey
         1: .line 98
            aload 0 /* this */
            getfield org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper.helper:Lorg/bouncycastle/operator/jcajce/OperatorHelper;
            aload 0 /* this */
            invokevirtual org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper.getAlgorithmIdentifier:()Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            invokevirtual org.bouncycastle.asn1.x509.AlgorithmIdentifier.getAlgorithm:()Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            aload 0 /* this */
            getfield org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper.extraMappings:Ljava/util/Map;
            invokevirtual org.bouncycastle.operator.jcajce.OperatorHelper.createAsymmetricWrapper:(Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;Ljava/util/Map;)Ljavax/crypto/Cipher;
            astore 4 /* keyCipher */
        start local 4 // javax.crypto.Cipher keyCipher
         2: .line 99
            aload 0 /* this */
            getfield org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper.helper:Lorg/bouncycastle/operator/jcajce/OperatorHelper;
            aload 0 /* this */
            invokevirtual org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper.getAlgorithmIdentifier:()Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            invokevirtual org.bouncycastle.operator.jcajce.OperatorHelper.createAlgorithmParameters:(Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;)Ljava/security/AlgorithmParameters;
            astore 5 /* algParams */
        start local 5 // java.security.AlgorithmParameters algParams
         3: .line 103
            aload 5 /* algParams */
            ifnull 6
         4: .line 105
            aload 4 /* keyCipher */
            iconst_4
            aload 0 /* this */
            getfield org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper.privKey:Ljava/security/PrivateKey;
            aload 5 /* algParams */
            invokevirtual javax.crypto.Cipher.init:(ILjava/security/Key;Ljava/security/AlgorithmParameters;)V
         5: .line 106
            goto 7
         6: .line 109
      StackMap locals: java.security.Key javax.crypto.Cipher java.security.AlgorithmParameters
      StackMap stack:
            aload 4 /* keyCipher */
            iconst_4
            aload 0 /* this */
            getfield org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper.privKey:Ljava/security/PrivateKey;
            invokevirtual javax.crypto.Cipher.init:(ILjava/security/Key;)V
         7: .line 112
      StackMap locals:
      StackMap stack:
            aload 4 /* keyCipher */
            aload 2 /* encryptedKey */
            aload 0 /* this */
            getfield org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper.helper:Lorg/bouncycastle/operator/jcajce/OperatorHelper;
            aload 1 /* encryptedKeyAlgorithm */
            invokevirtual org.bouncycastle.asn1.x509.AlgorithmIdentifier.getAlgorithm:()Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokevirtual org.bouncycastle.operator.jcajce.OperatorHelper.getKeyAlgorithmName:(Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;)Ljava/lang/String;
            iconst_3
            invokevirtual javax.crypto.Cipher.unwrap:([BLjava/lang/String;I)Ljava/security/Key;
            astore 3 /* sKey */
         8: .line 115
            aload 0 /* this */
            getfield org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper.unwrappedKeyMustBeEncodable:Z
            ifeq 20
         9: .line 119
            aload 3 /* sKey */
            invokeinterface java.security.Key.getEncoded:()[B
            astore 6 /* keyBytes */
        start local 6 // byte[] keyBytes
        10: .line 121
            aload 6 /* keyBytes */
            ifnull 11
            aload 6 /* keyBytes */
            arraylength
            ifne 20
        11: .line 123
      StackMap locals: byte[]
      StackMap stack:
            aconst_null
            astore 3 /* sKey */
        end local 6 // byte[] keyBytes
        12: .line 125
            goto 20
        13: .line 126
      StackMap locals: org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper org.bouncycastle.asn1.x509.AlgorithmIdentifier byte[] java.security.Key javax.crypto.Cipher java.security.AlgorithmParameters
      StackMap stack: java.lang.Exception
            pop
        14: .line 128
            aconst_null
            astore 3 /* sKey */
        15: .line 131
            goto 20
        16: .line 132
      StackMap locals:
      StackMap stack: java.security.GeneralSecurityException
            pop
            goto 20
        17: .line 135
      StackMap locals:
      StackMap stack: java.lang.IllegalStateException
            pop
            goto 20
        18: .line 138
      StackMap locals:
      StackMap stack: java.lang.UnsupportedOperationException
            pop
            goto 20
        19: .line 141
      StackMap locals:
      StackMap stack: java.security.ProviderException
            pop
        20: .line 146
      StackMap locals:
      StackMap stack:
            aload 3 /* sKey */
            ifnonnull 23
        21: .line 148
            aload 4 /* keyCipher */
            iconst_2
            aload 0 /* this */
            getfield org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper.privKey:Ljava/security/PrivateKey;
            invokevirtual javax.crypto.Cipher.init:(ILjava/security/Key;)V
        22: .line 149
            new javax.crypto.spec.SecretKeySpec
            dup
            aload 4 /* keyCipher */
            aload 2 /* encryptedKey */
            invokevirtual javax.crypto.Cipher.doFinal:([B)[B
            aload 1 /* encryptedKeyAlgorithm */
            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
            astore 3 /* sKey */
        23: .line 152
      StackMap locals:
      StackMap stack:
            new org.bouncycastle.operator.jcajce.JceGenericKey
            dup
            aload 1 /* encryptedKeyAlgorithm */
            aload 3 /* sKey */
            invokespecial org.bouncycastle.operator.jcajce.JceGenericKey.<init>:(Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;Ljava/security/Key;)V
        24: areturn
        end local 5 // java.security.AlgorithmParameters algParams
        end local 4 // javax.crypto.Cipher keyCipher
        end local 3 // java.security.Key sKey
        25: .line 154
      StackMap locals: org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper org.bouncycastle.asn1.x509.AlgorithmIdentifier byte[]
      StackMap stack: java.security.InvalidKeyException
            astore 3 /* e */
        start local 3 // java.security.InvalidKeyException e
        26: .line 156
            new org.bouncycastle.operator.OperatorException
            dup
            new java.lang.StringBuilder
            dup
            ldc "key invalid: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 3 /* e */
            invokevirtual java.security.InvalidKeyException.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.operator.OperatorException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 3 // java.security.InvalidKeyException e
        27: .line 158
      StackMap locals:
      StackMap stack: javax.crypto.IllegalBlockSizeException
            astore 3 /* e */
        start local 3 // javax.crypto.IllegalBlockSizeException e
        28: .line 160
            new org.bouncycastle.operator.OperatorException
            dup
            new java.lang.StringBuilder
            dup
            ldc "illegal blocksize: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 3 /* e */
            invokevirtual javax.crypto.IllegalBlockSizeException.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.operator.OperatorException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 3 // javax.crypto.IllegalBlockSizeException e
        29: .line 162
      StackMap locals:
      StackMap stack: javax.crypto.BadPaddingException
            astore 3 /* e */
        start local 3 // javax.crypto.BadPaddingException e
        30: .line 164
            new org.bouncycastle.operator.OperatorException
            dup
            new java.lang.StringBuilder
            dup
            ldc "bad padding: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 3 /* e */
            invokevirtual javax.crypto.BadPaddingException.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.operator.OperatorException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 3 // javax.crypto.BadPaddingException e
        end local 2 // byte[] encryptedKey
        end local 1 // org.bouncycastle.asn1.x509.AlgorithmIdentifier encryptedKeyAlgorithm
        end local 0 // org.bouncycastle.operator.jcajce.JceAsymmetricKeyUnwrapper this
      LocalVariableTable:
        Start  End  Slot                   Name  Signature
            0   31     0                   this  Lorg/bouncycastle/operator/jcajce/JceAsymmetricKeyUnwrapper;
            0   31     1  encryptedKeyAlgorithm  Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            0   31     2           encryptedKey  [B
            1   25     3                   sKey  Ljava/security/Key;
            2   25     4              keyCipher  Ljavax/crypto/Cipher;
            3   25     5              algParams  Ljava/security/AlgorithmParameters;
           10   12     6               keyBytes  [B
           26   27     3                      e  Ljava/security/InvalidKeyException;
           28   29     3                      e  Ljavax/crypto/IllegalBlockSizeException;
           30   31     3                      e  Ljavax/crypto/BadPaddingException;
      Exception table:
        from    to  target  type
           9    12      13  Class java.lang.Exception
           3    15      16  Class java.security.GeneralSecurityException
           3    15      17  Class java.lang.IllegalStateException
           3    15      18  Class java.lang.UnsupportedOperationException
           3    15      19  Class java.security.ProviderException
           0    24      25  Class java.security.InvalidKeyException
           0    24      27  Class javax.crypto.IllegalBlockSizeException
           0    24      29  Class javax.crypto.BadPaddingException
    Exceptions:
      throws org.bouncycastle.operator.OperatorException
    MethodParameters:
                       Name  Flags
      encryptedKeyAlgorithm  
      encryptedKey           
}
SourceFile: "JceAsymmetricKeyUnwrapper.java"