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.IDEA$Mappings extends java.util.HashMap
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.jce.provider.symmetric.IDEA$Mappings
  super_class: java.util.HashMap
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // org.bouncycastle.jce.provider.symmetric.IDEA$Mappings this
         0: .line 231
            aload 0 /* this */
            invokespecial java.util.HashMap.<init>:()V
         1: .line 233
            aload 0 /* this */
            ldc "AlgorithmParameterGenerator.IDEA"
            ldc "org.bouncycastle.jce.provider.symmetric.IDEA$AlgParamGen"
            invokevirtual org.bouncycastle.jce.provider.symmetric.IDEA$Mappings.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         2: .line 234
            aload 0 /* this */
            ldc "AlgorithmParameterGenerator.1.3.6.1.4.1.188.7.1.1.2"
            ldc "org.bouncycastle.jce.provider.symmetric.IDEA$AlgParamGen"
            invokevirtual org.bouncycastle.jce.provider.symmetric.IDEA$Mappings.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         3: .line 235
            aload 0 /* this */
            ldc "AlgorithmParameters.IDEA"
            ldc "org.bouncycastle.jce.provider.symmetric.IDEA$AlgParams"
            invokevirtual org.bouncycastle.jce.provider.symmetric.IDEA$Mappings.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         4: .line 236
            aload 0 /* this */
            ldc "AlgorithmParameters.1.3.6.1.4.1.188.7.1.1.2"
            ldc "org.bouncycastle.jce.provider.symmetric.IDEA$AlgParams"
            invokevirtual org.bouncycastle.jce.provider.symmetric.IDEA$Mappings.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         5: .line 237
            aload 0 /* this */
            ldc "Alg.Alias.AlgorithmParameters.PBEWITHSHAANDIDEA"
            ldc "PKCS12PBE"
            invokevirtual org.bouncycastle.jce.provider.symmetric.IDEA$Mappings.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         6: .line 238
            aload 0 /* this */
            ldc "Alg.Alias.AlgorithmParameters.PBEWITHSHAANDIDEA"
            ldc "PKCS12PBE"
            invokevirtual org.bouncycastle.jce.provider.symmetric.IDEA$Mappings.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         7: .line 239
            aload 0 /* this */
            ldc "Alg.Alias.AlgorithmParameters.PBEWITHSHAANDIDEA-CBC"
            ldc "PKCS12PBE"
            invokevirtual org.bouncycastle.jce.provider.symmetric.IDEA$Mappings.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         8: .line 240
            aload 0 /* this */
            ldc "Cipher.IDEA"
            ldc "org.bouncycastle.jce.provider.symmetric.IDEA$ECB"
            invokevirtual org.bouncycastle.jce.provider.symmetric.IDEA$Mappings.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         9: .line 241
            aload 0 /* this */
            ldc "Cipher.1.3.6.1.4.1.188.7.1.1.2"
            ldc "org.bouncycastle.jce.provider.symmetric.IDEA$CBC"
            invokevirtual org.bouncycastle.jce.provider.symmetric.IDEA$Mappings.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        10: .line 242
            aload 0 /* this */
            ldc "Cipher.PBEWITHSHAANDIDEA-CBC"
            ldc "org.bouncycastle.jce.provider.symmetric.IDEA$PBEWithSHAAndIDEA"
            invokevirtual org.bouncycastle.jce.provider.symmetric.IDEA$Mappings.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        11: .line 243
            aload 0 /* this */
            ldc "KeyGenerator.IDEA"
            ldc "org.bouncycastle.jce.provider.symmetric.IDEA$KeyGen"
            invokevirtual org.bouncycastle.jce.provider.symmetric.IDEA$Mappings.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        12: .line 244
            aload 0 /* this */
            ldc "KeyGenerator.1.3.6.1.4.1.188.7.1.1.2"
            ldc "org.bouncycastle.jce.provider.symmetric.IDEA$KeyGen"
            invokevirtual org.bouncycastle.jce.provider.symmetric.IDEA$Mappings.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        13: .line 245
            aload 0 /* this */
            ldc "SecretKeyFactory.PBEWITHSHAANDIDEA-CBC"
            ldc "org.bouncycastle.jce.provider.symmetric.IDEA$PBEWithSHAAndIDEAKeyGen"
            invokevirtual org.bouncycastle.jce.provider.symmetric.IDEA$Mappings.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        14: .line 246
            aload 0 /* this */
            ldc "Mac.IDEAMAC"
            ldc "org.bouncycastle.jce.provider.symmetric.IDEA$Mac"
            invokevirtual org.bouncycastle.jce.provider.symmetric.IDEA$Mappings.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        15: .line 247
            aload 0 /* this */
            ldc "Alg.Alias.Mac.IDEA"
            ldc "IDEAMAC"
            invokevirtual org.bouncycastle.jce.provider.symmetric.IDEA$Mappings.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        16: .line 248
            aload 0 /* this */
            ldc "Mac.IDEAMAC/CFB8"
            ldc "org.bouncycastle.jce.provider.symmetric.IDEA$CFB8Mac"
            invokevirtual org.bouncycastle.jce.provider.symmetric.IDEA$Mappings.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        17: .line 249
            aload 0 /* this */
            ldc "Alg.Alias.Mac.IDEA/CFB8"
            ldc "IDEAMAC/CFB8"
            invokevirtual org.bouncycastle.jce.provider.symmetric.IDEA$Mappings.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        18: .line 250
            return
        end local 0 // org.bouncycastle.jce.provider.symmetric.IDEA$Mappings this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   19     0  this  Lorg/bouncycastle/jce/provider/symmetric/IDEA$Mappings;
}
SourceFile: "IDEA.java"
NestHost: org.bouncycastle.jce.provider.symmetric.IDEA
InnerClasses:
  public Mappings = org.bouncycastle.jce.provider.symmetric.IDEA$Mappings of org.bouncycastle.jce.provider.symmetric.IDEA