http://www.bouncycastle.org/java.html: The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5. 
public class org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams extends org.bouncycastle.jce.provider.JDKAlgorithmParameters
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams
  super_class: org.bouncycastle.jce.provider.JDKAlgorithmParameters
{
  private byte[] iv;
    descriptor: [B
    flags: (0x0002) ACC_PRIVATE

  private int keyLength;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams this
         0: .line 95
            aload 0 /* this */
            invokespecial org.bouncycastle.jce.provider.JDKAlgorithmParameters.<init>:()V
         1: .line 99
            aload 0 /* this */
            sipush 128
            putfield org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams.keyLength:I
         2: .line 95
            return
        end local 0 // org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/bouncycastle/jce/provider/symmetric/CAST5$AlgParams;

  protected byte[] engineGetEncoded();
    descriptor: ()[B
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=5, locals=2, args_size=1
        start local 0 // org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams this
         0: .line 103
            aload 0 /* this */
            getfield org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams.iv:[B
            arraylength
            newarray 8
            astore 1 /* tmp */
        start local 1 // byte[] tmp
         1: .line 105
            aload 0 /* this */
            getfield org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams.iv:[B
            iconst_0
            aload 1 /* tmp */
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams.iv:[B
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         2: .line 106
            aload 1 /* tmp */
            areturn
        end local 1 // byte[] tmp
        end local 0 // org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/bouncycastle/jce/provider/symmetric/CAST5$AlgParams;
            1    3     1   tmp  [B

  protected byte[] engineGetEncoded(java.lang.String);
    descriptor: (Ljava/lang/String;)[B
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams this
        start local 1 // java.lang.String format
         0: .line 113
            aload 0 /* this */
            aload 1 /* format */
            invokevirtual org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams.isASN1FormatString:(Ljava/lang/String;)Z
            ifeq 2
         1: .line 115
            new org.bouncycastle.asn1.misc.CAST5CBCParameters
            dup
            aload 0 /* this */
            invokevirtual org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams.engineGetEncoded:()[B
            aload 0 /* this */
            getfield org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams.keyLength:I
            invokespecial org.bouncycastle.asn1.misc.CAST5CBCParameters.<init>:([BI)V
            invokevirtual org.bouncycastle.asn1.misc.CAST5CBCParameters.getEncoded:()[B
            areturn
         2: .line 118
      StackMap locals:
      StackMap stack:
            aload 1 /* format */
            ldc "RAW"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 4
         3: .line 120
            aload 0 /* this */
            invokevirtual org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams.engineGetEncoded:()[B
            areturn
         4: .line 124
      StackMap locals:
      StackMap stack:
            aconst_null
            areturn
        end local 1 // java.lang.String format
        end local 0 // org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    5     0    this  Lorg/bouncycastle/jce/provider/symmetric/CAST5$AlgParams;
            0    5     1  format  Ljava/lang/String;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      format  

  protected java.security.spec.AlgorithmParameterSpec localEngineGetParameterSpec(java.lang.Class);
    descriptor: (Ljava/lang/Class;)Ljava/security/spec/AlgorithmParameterSpec;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams this
        start local 1 // java.lang.Class paramSpec
         0: .line 131
            aload 1 /* paramSpec */
            ldc Ljavax/crypto/spec/IvParameterSpec;
            if_acmpne 2
         1: .line 133
            new javax.crypto.spec.IvParameterSpec
            dup
            aload 0 /* this */
            getfield org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams.iv:[B
            invokespecial javax.crypto.spec.IvParameterSpec.<init>:([B)V
            areturn
         2: .line 136
      StackMap locals:
      StackMap stack:
            new java.security.spec.InvalidParameterSpecException
            dup
            ldc "unknown parameter spec passed to CAST5 parameters object."
            invokespecial java.security.spec.InvalidParameterSpecException.<init>:(Ljava/lang/String;)V
            athrow
        end local 1 // java.lang.Class paramSpec
        end local 0 // org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    3     0       this  Lorg/bouncycastle/jce/provider/symmetric/CAST5$AlgParams;
            0    3     1  paramSpec  Ljava/lang/Class;
    Exceptions:
      throws java.security.spec.InvalidParameterSpecException
    MethodParameters:
           Name  Flags
      paramSpec  

  protected void engineInit(java.security.spec.AlgorithmParameterSpec);
    descriptor: (Ljava/security/spec/AlgorithmParameterSpec;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams this
        start local 1 // java.security.spec.AlgorithmParameterSpec paramSpec
         0: .line 143
            aload 1 /* paramSpec */
            instanceof javax.crypto.spec.IvParameterSpec
            ifeq 3
         1: .line 145
            aload 0 /* this */
            aload 1 /* paramSpec */
            checkcast javax.crypto.spec.IvParameterSpec
            invokevirtual javax.crypto.spec.IvParameterSpec.getIV:()[B
            putfield org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams.iv:[B
         2: .line 146
            goto 4
         3: .line 149
      StackMap locals:
      StackMap stack:
            new java.security.spec.InvalidParameterSpecException
            dup
            ldc "IvParameterSpec required to initialise a CAST5 parameters algorithm parameters object"
            invokespecial java.security.spec.InvalidParameterSpecException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 151
      StackMap locals:
      StackMap stack:
            return
        end local 1 // java.security.spec.AlgorithmParameterSpec paramSpec
        end local 0 // org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    5     0       this  Lorg/bouncycastle/jce/provider/symmetric/CAST5$AlgParams;
            0    5     1  paramSpec  Ljava/security/spec/AlgorithmParameterSpec;
    Exceptions:
      throws java.security.spec.InvalidParameterSpecException
    MethodParameters:
           Name  Flags
      paramSpec  

  protected void engineInit(byte[]);
    descriptor: ([B)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=5, locals=2, args_size=2
        start local 0 // org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams this
        start local 1 // byte[] params
         0: .line 157
            aload 0 /* this */
            aload 1 /* params */
            arraylength
            newarray 8
            putfield org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams.iv:[B
         1: .line 159
            aload 1 /* params */
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams.iv:[B
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams.iv:[B
            arraylength
            invokestatic java.lang.System.arraycopy:(Ljava/lang/Object;ILjava/lang/Object;II)V
         2: .line 160
            return
        end local 1 // byte[] params
        end local 0 // org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lorg/bouncycastle/jce/provider/symmetric/CAST5$AlgParams;
            0    3     1  params  [B
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      params  

  protected void engineInit(byte[], java.lang.String);
    descriptor: ([BLjava/lang/String;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=5, args_size=3
        start local 0 // org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams this
        start local 1 // byte[] params
        start local 2 // java.lang.String format
         0: .line 167
            aload 0 /* this */
            aload 2 /* format */
            invokevirtual org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams.isASN1FormatString:(Ljava/lang/String;)Z
            ifeq 6
         1: .line 169
            new org.bouncycastle.asn1.ASN1InputStream
            dup
            aload 1 /* params */
            invokespecial org.bouncycastle.asn1.ASN1InputStream.<init>:([B)V
            astore 3 /* aIn */
        start local 3 // org.bouncycastle.asn1.ASN1InputStream aIn
         2: .line 170
            aload 3 /* aIn */
            invokevirtual org.bouncycastle.asn1.ASN1InputStream.readObject:()Lorg/bouncycastle/asn1/DERObject;
            invokestatic org.bouncycastle.asn1.misc.CAST5CBCParameters.getInstance:(Ljava/lang/Object;)Lorg/bouncycastle/asn1/misc/CAST5CBCParameters;
            astore 4 /* p */
        start local 4 // org.bouncycastle.asn1.misc.CAST5CBCParameters p
         3: .line 172
            aload 0 /* this */
            aload 4 /* p */
            invokevirtual org.bouncycastle.asn1.misc.CAST5CBCParameters.getKeyLength:()I
            putfield org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams.keyLength:I
         4: .line 174
            aload 0 /* this */
            aload 4 /* p */
            invokevirtual org.bouncycastle.asn1.misc.CAST5CBCParameters.getIV:()[B
            putfield org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams.iv:[B
         5: .line 176
            return
        end local 4 // org.bouncycastle.asn1.misc.CAST5CBCParameters p
        end local 3 // org.bouncycastle.asn1.ASN1InputStream aIn
         6: .line 179
      StackMap locals:
      StackMap stack:
            aload 2 /* format */
            ldc "RAW"
            invokevirtual java.lang.String.equals:(Ljava/lang/Object;)Z
            ifeq 9
         7: .line 181
            aload 0 /* this */
            aload 1 /* params */
            invokevirtual org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams.engineInit:([B)V
         8: .line 182
            return
         9: .line 185
      StackMap locals:
      StackMap stack:
            new java.io.IOException
            dup
            ldc "Unknown parameters format in IV parameters object"
            invokespecial java.io.IOException.<init>:(Ljava/lang/String;)V
            athrow
        end local 2 // java.lang.String format
        end local 1 // byte[] params
        end local 0 // org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   10     0    this  Lorg/bouncycastle/jce/provider/symmetric/CAST5$AlgParams;
            0   10     1  params  [B
            0   10     2  format  Ljava/lang/String;
            2    6     3     aIn  Lorg/bouncycastle/asn1/ASN1InputStream;
            3    6     4       p  Lorg/bouncycastle/asn1/misc/CAST5CBCParameters;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      params  
      format  

  protected java.lang.String engineToString();
    descriptor: ()Ljava/lang/String;
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams this
         0: .line 190
            ldc "CAST5 Parameters"
            areturn
        end local 0 // org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/jce/provider/symmetric/CAST5$AlgParams;
}
SourceFile: "CAST5.java"
NestHost: org.bouncycastle.jce.provider.symmetric.CAST5
InnerClasses:
  public AlgParams = org.bouncycastle.jce.provider.symmetric.CAST5$AlgParams of org.bouncycastle.jce.provider.symmetric.CAST5