http://www.jcraft.com/jsch/: JSch is a pure Java implementation of SSH2 (JCraft,Inc.) 
class com.jcraft.jsch.KeyPair$ASN1Exception extends java.lang.Exception
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.jcraft.jsch.KeyPair$ASN1Exception
  super_class: java.lang.Exception
{
  final com.jcraft.jsch.KeyPair this$0;
    descriptor: Lcom/jcraft/jsch/KeyPair;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  void <init>(com.jcraft.jsch.KeyPair);
    descriptor: (Lcom/jcraft/jsch/KeyPair;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.jcraft.jsch.KeyPair$ASN1Exception this
         0: .line 1176
            aload 0 /* this */
            aload 1
            putfield com.jcraft.jsch.KeyPair$ASN1Exception.this$0:Lcom/jcraft/jsch/KeyPair;
            aload 0 /* this */
            invokespecial java.lang.Exception.<init>:()V
            return
        end local 0 // com.jcraft.jsch.KeyPair$ASN1Exception this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/jcraft/jsch/KeyPair$ASN1Exception;
    MethodParameters:
        Name  Flags
      this$0  final
}
SourceFile: "KeyPair.java"
NestHost: com.jcraft.jsch.KeyPair
InnerClasses:
  ASN1Exception = com.jcraft.jsch.KeyPair$ASN1Exception of com.jcraft.jsch.KeyPair