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.JceKTSKeyWrapper extends org.bouncycastle.operator.AsymmetricKeyWrapper
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.operator.jcajce.JceKTSKeyWrapper
  super_class: org.bouncycastle.operator.AsymmetricKeyWrapper
{
  private final java.lang.String symmetricWrappingAlg;
    descriptor: Ljava/lang/String;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final int keySizeInBits;
    descriptor: I
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final byte[] partyUInfo;
    descriptor: [B
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final byte[] partyVInfo;
    descriptor: [B
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private org.bouncycastle.operator.jcajce.OperatorHelper helper;
    descriptor: Lorg/bouncycastle/operator/jcajce/OperatorHelper;
    flags: (0x0002) ACC_PRIVATE

  private java.security.PublicKey publicKey;
    descriptor: Ljava/security/PublicKey;
    flags: (0x0002) ACC_PRIVATE

  private java.security.SecureRandom random;
    descriptor: Ljava/security/SecureRandom;
    flags: (0x0002) ACC_PRIVATE

  public void <init>(java.security.PublicKey, java.lang.String, int, byte[], byte[]);
    descriptor: (Ljava/security/PublicKey;Ljava/lang/String;I[B[B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=17, locals=6, args_size=6
        start local 0 // org.bouncycastle.operator.jcajce.JceKTSKeyWrapper this
        start local 1 // java.security.PublicKey publicKey
        start local 2 // java.lang.String symmetricWrappingAlg
        start local 3 // int keySizeInBits
        start local 4 // byte[] partyUInfo
        start local 5 // byte[] partyVInfo
         0: .line 42
            aload 0 /* this */
            new org.bouncycastle.asn1.x509.AlgorithmIdentifier
            dup
            getstatic org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers.id_rsa_KEM:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            new org.bouncycastle.asn1.cms.GenericHybridParameters
            dup
            new org.bouncycastle.asn1.x509.AlgorithmIdentifier
            dup
            getstatic org.bouncycastle.asn1.iso.ISOIECObjectIdentifiers.id_kem_rsa:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            new org.bouncycastle.asn1.cms.RsaKemParameters
            dup
            new org.bouncycastle.asn1.x509.AlgorithmIdentifier
            dup
            getstatic org.bouncycastle.asn1.x9.X9ObjectIdentifiers.id_kdf_kdf3:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            new org.bouncycastle.asn1.x509.AlgorithmIdentifier
            dup
            getstatic org.bouncycastle.asn1.nist.NISTObjectIdentifiers.id_sha256:Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            invokespecial org.bouncycastle.asn1.x509.AlgorithmIdentifier.<init>:(Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;)V
            invokespecial org.bouncycastle.asn1.x509.AlgorithmIdentifier.<init>:(Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;Lorg/bouncycastle/asn1/ASN1Encodable;)V
            iload 3 /* keySizeInBits */
            bipush 7
            iadd
            bipush 8
            idiv
            invokespecial org.bouncycastle.asn1.cms.RsaKemParameters.<init>:(Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;I)V
            invokespecial org.bouncycastle.asn1.x509.AlgorithmIdentifier.<init>:(Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;Lorg/bouncycastle/asn1/ASN1Encodable;)V
            aload 2 /* symmetricWrappingAlg */
            iload 3 /* keySizeInBits */
            invokestatic org.bouncycastle.operator.jcajce.JceSymmetricKeyWrapper.determineKeyEncAlg:(Ljava/lang/String;I)Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            invokespecial org.bouncycastle.asn1.cms.GenericHybridParameters.<init>:(Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;)V
            invokespecial org.bouncycastle.asn1.x509.AlgorithmIdentifier.<init>:(Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;Lorg/bouncycastle/asn1/ASN1Encodable;)V
            invokespecial org.bouncycastle.operator.AsymmetricKeyWrapper.<init>:(Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;)V
         1: .line 36
            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.JceKTSKeyWrapper.helper:Lorg/bouncycastle/operator/jcajce/OperatorHelper;
         2: .line 44
            aload 0 /* this */
            aload 1 /* publicKey */
            putfield org.bouncycastle.operator.jcajce.JceKTSKeyWrapper.publicKey:Ljava/security/PublicKey;
         3: .line 45
            aload 0 /* this */
            aload 2 /* symmetricWrappingAlg */
            putfield org.bouncycastle.operator.jcajce.JceKTSKeyWrapper.symmetricWrappingAlg:Ljava/lang/String;
         4: .line 46
            aload 0 /* this */
            iload 3 /* keySizeInBits */
            putfield org.bouncycastle.operator.jcajce.JceKTSKeyWrapper.keySizeInBits:I
         5: .line 47
            aload 0 /* this */
            aload 4 /* partyUInfo */
            invokestatic org.bouncycastle.util.Arrays.clone:([B)[B
            putfield org.bouncycastle.operator.jcajce.JceKTSKeyWrapper.partyUInfo:[B
         6: .line 48
            aload 0 /* this */
            aload 5 /* partyVInfo */
            invokestatic org.bouncycastle.util.Arrays.clone:([B)[B
            putfield org.bouncycastle.operator.jcajce.JceKTSKeyWrapper.partyVInfo:[B
         7: .line 49
            return
        end local 5 // byte[] partyVInfo
        end local 4 // byte[] partyUInfo
        end local 3 // int keySizeInBits
        end local 2 // java.lang.String symmetricWrappingAlg
        end local 1 // java.security.PublicKey publicKey
        end local 0 // org.bouncycastle.operator.jcajce.JceKTSKeyWrapper this
      LocalVariableTable:
        Start  End  Slot                  Name  Signature
            0    8     0                  this  Lorg/bouncycastle/operator/jcajce/JceKTSKeyWrapper;
            0    8     1             publicKey  Ljava/security/PublicKey;
            0    8     2  symmetricWrappingAlg  Ljava/lang/String;
            0    8     3         keySizeInBits  I
            0    8     4            partyUInfo  [B
            0    8     5            partyVInfo  [B
    MethodParameters:
                      Name  Flags
      publicKey             
      symmetricWrappingAlg  
      keySizeInBits         
      partyUInfo            
      partyVInfo            

  public void <init>(java.security.cert.X509Certificate, java.lang.String, int, byte[], byte[]);
    descriptor: (Ljava/security/cert/X509Certificate;Ljava/lang/String;I[B[B)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=6, args_size=6
        start local 0 // org.bouncycastle.operator.jcajce.JceKTSKeyWrapper this
        start local 1 // java.security.cert.X509Certificate certificate
        start local 2 // java.lang.String symmetricWrappingAlg
        start local 3 // int keySizeInBits
        start local 4 // byte[] partyUInfo
        start local 5 // byte[] partyVInfo
         0: .line 53
            aload 0 /* this */
            aload 1 /* certificate */
            invokevirtual java.security.cert.X509Certificate.getPublicKey:()Ljava/security/PublicKey;
            aload 2 /* symmetricWrappingAlg */
            iload 3 /* keySizeInBits */
            aload 4 /* partyUInfo */
            aload 5 /* partyVInfo */
            invokespecial org.bouncycastle.operator.jcajce.JceKTSKeyWrapper.<init>:(Ljava/security/PublicKey;Ljava/lang/String;I[B[B)V
         1: .line 54
            return
        end local 5 // byte[] partyVInfo
        end local 4 // byte[] partyUInfo
        end local 3 // int keySizeInBits
        end local 2 // java.lang.String symmetricWrappingAlg
        end local 1 // java.security.cert.X509Certificate certificate
        end local 0 // org.bouncycastle.operator.jcajce.JceKTSKeyWrapper this
      LocalVariableTable:
        Start  End  Slot                  Name  Signature
            0    2     0                  this  Lorg/bouncycastle/operator/jcajce/JceKTSKeyWrapper;
            0    2     1           certificate  Ljava/security/cert/X509Certificate;
            0    2     2  symmetricWrappingAlg  Ljava/lang/String;
            0    2     3         keySizeInBits  I
            0    2     4            partyUInfo  [B
            0    2     5            partyVInfo  [B
    MethodParameters:
                      Name  Flags
      certificate           
      symmetricWrappingAlg  
      keySizeInBits         
      partyUInfo            
      partyVInfo            

  public org.bouncycastle.operator.jcajce.JceKTSKeyWrapper setProvider(java.security.Provider);
    descriptor: (Ljava/security/Provider;)Lorg/bouncycastle/operator/jcajce/JceKTSKeyWrapper;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=2, args_size=2
        start local 0 // org.bouncycastle.operator.jcajce.JceKTSKeyWrapper this
        start local 1 // java.security.Provider provider
         0: .line 58
            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.JceKTSKeyWrapper.helper:Lorg/bouncycastle/operator/jcajce/OperatorHelper;
         1: .line 60
            aload 0 /* this */
            areturn
        end local 1 // java.security.Provider provider
        end local 0 // org.bouncycastle.operator.jcajce.JceKTSKeyWrapper this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    2     0      this  Lorg/bouncycastle/operator/jcajce/JceKTSKeyWrapper;
            0    2     1  provider  Ljava/security/Provider;
    MethodParameters:
          Name  Flags
      provider  

  public org.bouncycastle.operator.jcajce.JceKTSKeyWrapper setProvider(java.lang.String);
    descriptor: (Ljava/lang/String;)Lorg/bouncycastle/operator/jcajce/JceKTSKeyWrapper;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=2, args_size=2
        start local 0 // org.bouncycastle.operator.jcajce.JceKTSKeyWrapper this
        start local 1 // java.lang.String providerName
         0: .line 65
            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.JceKTSKeyWrapper.helper:Lorg/bouncycastle/operator/jcajce/OperatorHelper;
         1: .line 67
            aload 0 /* this */
            areturn
        end local 1 // java.lang.String providerName
        end local 0 // org.bouncycastle.operator.jcajce.JceKTSKeyWrapper this
      LocalVariableTable:
        Start  End  Slot          Name  Signature
            0    2     0          this  Lorg/bouncycastle/operator/jcajce/JceKTSKeyWrapper;
            0    2     1  providerName  Ljava/lang/String;
    MethodParameters:
              Name  Flags
      providerName  

  public org.bouncycastle.operator.jcajce.JceKTSKeyWrapper setSecureRandom(java.security.SecureRandom);
    descriptor: (Ljava/security/SecureRandom;)Lorg/bouncycastle/operator/jcajce/JceKTSKeyWrapper;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.bouncycastle.operator.jcajce.JceKTSKeyWrapper this
        start local 1 // java.security.SecureRandom random
         0: .line 72
            aload 0 /* this */
            aload 1 /* random */
            putfield org.bouncycastle.operator.jcajce.JceKTSKeyWrapper.random:Ljava/security/SecureRandom;
         1: .line 74
            aload 0 /* this */
            areturn
        end local 1 // java.security.SecureRandom random
        end local 0 // org.bouncycastle.operator.jcajce.JceKTSKeyWrapper this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lorg/bouncycastle/operator/jcajce/JceKTSKeyWrapper;
            0    2     1  random  Ljava/security/SecureRandom;
    MethodParameters:
        Name  Flags
      random  

  public byte[] generateWrappedKey(org.bouncycastle.operator.GenericKey);
    descriptor: (Lorg/bouncycastle/operator/GenericKey;)[B
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=5, args_size=2
        start local 0 // org.bouncycastle.operator.jcajce.JceKTSKeyWrapper this
        start local 1 // org.bouncycastle.operator.GenericKey encryptionKey
         0: .line 80
            aload 0 /* this */
            getfield org.bouncycastle.operator.jcajce.JceKTSKeyWrapper.helper:Lorg/bouncycastle/operator/jcajce/OperatorHelper;
            aload 0 /* this */
            invokevirtual org.bouncycastle.operator.jcajce.JceKTSKeyWrapper.getAlgorithmIdentifier:()Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            invokevirtual org.bouncycastle.asn1.x509.AlgorithmIdentifier.getAlgorithm:()Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            invokevirtual org.bouncycastle.operator.jcajce.OperatorHelper.createAsymmetricWrapper:(Lorg/bouncycastle/asn1/ASN1ObjectIdentifier;Ljava/util/Map;)Ljavax/crypto/Cipher;
            astore 2 /* keyEncryptionCipher */
        start local 2 // javax.crypto.Cipher keyEncryptionCipher
         1: .line 84
            new org.bouncycastle.crypto.util.DEROtherInfo$Builder
            dup
            aload 0 /* this */
            getfield org.bouncycastle.operator.jcajce.JceKTSKeyWrapper.symmetricWrappingAlg:Ljava/lang/String;
            aload 0 /* this */
            getfield org.bouncycastle.operator.jcajce.JceKTSKeyWrapper.keySizeInBits:I
            invokestatic org.bouncycastle.operator.jcajce.JceSymmetricKeyWrapper.determineKeyEncAlg:(Ljava/lang/String;I)Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;
            aload 0 /* this */
            getfield org.bouncycastle.operator.jcajce.JceKTSKeyWrapper.partyUInfo:[B
            aload 0 /* this */
            getfield org.bouncycastle.operator.jcajce.JceKTSKeyWrapper.partyVInfo:[B
            invokespecial org.bouncycastle.crypto.util.DEROtherInfo$Builder.<init>:(Lorg/bouncycastle/asn1/x509/AlgorithmIdentifier;[B[B)V
            invokevirtual org.bouncycastle.crypto.util.DEROtherInfo$Builder.build:()Lorg/bouncycastle/crypto/util/DEROtherInfo;
            astore 3 /* otherInfo */
        start local 3 // org.bouncycastle.crypto.util.DEROtherInfo otherInfo
         2: .line 85
            new org.bouncycastle.jcajce.spec.KTSParameterSpec$Builder
            dup
            aload 0 /* this */
            getfield org.bouncycastle.operator.jcajce.JceKTSKeyWrapper.symmetricWrappingAlg:Ljava/lang/String;
            aload 0 /* this */
            getfield org.bouncycastle.operator.jcajce.JceKTSKeyWrapper.keySizeInBits:I
            aload 3 /* otherInfo */
            invokevirtual org.bouncycastle.crypto.util.DEROtherInfo.getEncoded:()[B
            invokespecial org.bouncycastle.jcajce.spec.KTSParameterSpec$Builder.<init>:(Ljava/lang/String;I[B)V
            invokevirtual org.bouncycastle.jcajce.spec.KTSParameterSpec$Builder.build:()Lorg/bouncycastle/jcajce/spec/KTSParameterSpec;
            astore 4 /* ktsSpec */
        start local 4 // org.bouncycastle.jcajce.spec.KTSParameterSpec ktsSpec
         3: .line 87
            aload 2 /* keyEncryptionCipher */
            iconst_3
            aload 0 /* this */
            getfield org.bouncycastle.operator.jcajce.JceKTSKeyWrapper.publicKey:Ljava/security/PublicKey;
            aload 4 /* ktsSpec */
            aload 0 /* this */
            getfield org.bouncycastle.operator.jcajce.JceKTSKeyWrapper.random:Ljava/security/SecureRandom;
            invokevirtual javax.crypto.Cipher.init:(ILjava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;Ljava/security/SecureRandom;)V
         4: .line 89
            aload 2 /* keyEncryptionCipher */
            aload 1 /* encryptionKey */
            invokestatic org.bouncycastle.operator.jcajce.OperatorUtils.getJceKey:(Lorg/bouncycastle/operator/GenericKey;)Ljava/security/Key;
            invokevirtual javax.crypto.Cipher.wrap:(Ljava/security/Key;)[B
         5: areturn
        end local 4 // org.bouncycastle.jcajce.spec.KTSParameterSpec ktsSpec
        end local 3 // org.bouncycastle.crypto.util.DEROtherInfo otherInfo
         6: .line 91
      StackMap locals: org.bouncycastle.operator.jcajce.JceKTSKeyWrapper org.bouncycastle.operator.GenericKey javax.crypto.Cipher
      StackMap stack: java.lang.Exception
            astore 3 /* e */
        start local 3 // java.lang.Exception e
         7: .line 93
            new org.bouncycastle.operator.OperatorException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Unable to wrap contents key: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 3 /* e */
            invokevirtual java.lang.Exception.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.lang.Exception e
        end local 2 // javax.crypto.Cipher keyEncryptionCipher
        end local 1 // org.bouncycastle.operator.GenericKey encryptionKey
        end local 0 // org.bouncycastle.operator.jcajce.JceKTSKeyWrapper this
      LocalVariableTable:
        Start  End  Slot                 Name  Signature
            0    8     0                 this  Lorg/bouncycastle/operator/jcajce/JceKTSKeyWrapper;
            0    8     1        encryptionKey  Lorg/bouncycastle/operator/GenericKey;
            1    8     2  keyEncryptionCipher  Ljavax/crypto/Cipher;
            2    6     3            otherInfo  Lorg/bouncycastle/crypto/util/DEROtherInfo;
            3    6     4              ktsSpec  Lorg/bouncycastle/jcajce/spec/KTSParameterSpec;
            7    8     3                    e  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
           1     5       6  Class java.lang.Exception
    Exceptions:
      throws org.bouncycastle.operator.OperatorException
    MethodParameters:
               Name  Flags
      encryptionKey  
}
SourceFile: "JceKTSKeyWrapper.java"
InnerClasses:
  public final Builder = org.bouncycastle.crypto.util.DEROtherInfo$Builder of org.bouncycastle.crypto.util.DEROtherInfo
  public final Builder = org.bouncycastle.jcajce.spec.KTSParameterSpec$Builder of org.bouncycastle.jcajce.spec.KTSParameterSpec