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 to JDK 1.8.
  • The Legion of the Bouncy Castle Inc. 
class org.bouncycastle.math.ec.WTauNafMultiplier$1 implements org.bouncycastle.math.ec.PreCompCallback
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.bouncycastle.math.ec.WTauNafMultiplier$1
  super_class: java.lang.Object
{
  private final org.bouncycastle.math.ec.ECPoint$AbstractF2m val$p;
    descriptor: Lorg/bouncycastle/math/ec/ECPoint$AbstractF2m;
    flags: (0x1012) ACC_PRIVATE, ACC_FINAL, ACC_SYNTHETIC

  private final byte val$a;
    descriptor: B
    flags: (0x1012) ACC_PRIVATE, ACC_FINAL, ACC_SYNTHETIC

  void <init>(org.bouncycastle.math.ec.ECPoint$AbstractF2m, byte);
    descriptor: (Lorg/bouncycastle/math/ec/ECPoint$AbstractF2m;B)V
    flags: (0x0000) 
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.bouncycastle.math.ec.WTauNafMultiplier$1 this
         0: .line 78
            aload 0 /* this */
            aload 1
            putfield org.bouncycastle.math.ec.WTauNafMultiplier$1.val$p:Lorg/bouncycastle/math/ec/ECPoint$AbstractF2m;
            aload 0 /* this */
            iload 2
            putfield org.bouncycastle.math.ec.WTauNafMultiplier$1.val$a:B
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.bouncycastle.math.ec.WTauNafMultiplier$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/math/ec/WTauNafMultiplier$1;
    MethodParameters:
       Name  Flags
      val$p  final
      val$a  final

  public org.bouncycastle.math.ec.PreCompInfo precompute(org.bouncycastle.math.ec.PreCompInfo);
    descriptor: (Lorg/bouncycastle/math/ec/PreCompInfo;)Lorg/bouncycastle/math/ec/PreCompInfo;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // org.bouncycastle.math.ec.WTauNafMultiplier$1 this
        start local 1 // org.bouncycastle.math.ec.PreCompInfo existing
         0: .line 82
            aload 1 /* existing */
            instanceof org.bouncycastle.math.ec.WTauNafPreCompInfo
            ifeq 2
         1: .line 84
            aload 1 /* existing */
            areturn
         2: .line 87
      StackMap locals:
      StackMap stack:
            new org.bouncycastle.math.ec.WTauNafPreCompInfo
            dup
            invokespecial org.bouncycastle.math.ec.WTauNafPreCompInfo.<init>:()V
            astore 2 /* result */
        start local 2 // org.bouncycastle.math.ec.WTauNafPreCompInfo result
         3: .line 88
            aload 2 /* result */
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.WTauNafMultiplier$1.val$p:Lorg/bouncycastle/math/ec/ECPoint$AbstractF2m;
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.WTauNafMultiplier$1.val$a:B
            invokestatic org.bouncycastle.math.ec.Tnaf.getPreComp:(Lorg/bouncycastle/math/ec/ECPoint$AbstractF2m;B)[Lorg/bouncycastle/math/ec/ECPoint$AbstractF2m;
            invokevirtual org.bouncycastle.math.ec.WTauNafPreCompInfo.setPreComp:([Lorg/bouncycastle/math/ec/ECPoint$AbstractF2m;)V
         4: .line 89
            aload 2 /* result */
            areturn
        end local 2 // org.bouncycastle.math.ec.WTauNafPreCompInfo result
        end local 1 // org.bouncycastle.math.ec.PreCompInfo existing
        end local 0 // org.bouncycastle.math.ec.WTauNafMultiplier$1 this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    5     0      this  Lorg/bouncycastle/math/ec/WTauNafMultiplier$1;
            0    5     1  existing  Lorg/bouncycastle/math/ec/PreCompInfo;
            3    5     2    result  Lorg/bouncycastle/math/ec/WTauNafPreCompInfo;
    MethodParameters:
          Name  Flags
      existing  
}
SourceFile: "WTauNafMultiplier.java"
EnclosingMethod: org.bouncycastle.math.ec.WTauNafMultiplier.multiplyFromWTnaf:(Lorg/bouncycastle/math/ec/ECPoint$AbstractF2m;[B)Lorg/bouncycastle/math/ec/ECPoint$AbstractF2m;
NestHost: org.bouncycastle.math.ec.WTauNafMultiplier
InnerClasses:
  public abstract AbstractF2m = org.bouncycastle.math.ec.ECPoint$AbstractF2m of org.bouncycastle.math.ec.ECPoint
  org.bouncycastle.math.ec.WTauNafMultiplier$1