class org.bouncycastle.math.ec.WNafUtil$2 implements org.bouncycastle.math.ec.PreCompCallback
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.bouncycastle.math.ec.WNafUtil$2
  super_class: java.lang.Object
{
  private final int val$width;
    descriptor: I
    flags: (0x1012) ACC_PRIVATE, ACC_FINAL, ACC_SYNTHETIC

  private final boolean val$includeNegated;
    descriptor: Z
    flags: (0x1012) ACC_PRIVATE, ACC_FINAL, ACC_SYNTHETIC

  private final org.bouncycastle.math.ec.ECPoint val$p;
    descriptor: Lorg/bouncycastle/math/ec/ECPoint;
    flags: (0x1012) ACC_PRIVATE, ACC_FINAL, ACC_SYNTHETIC

  private final org.bouncycastle.math.ec.ECCurve val$c;
    descriptor: Lorg/bouncycastle/math/ec/ECCurve;
    flags: (0x1012) ACC_PRIVATE, ACC_FINAL, ACC_SYNTHETIC

  void <init>(int, boolean, org.bouncycastle.math.ec.ECPoint, org.bouncycastle.math.ec.ECCurve);
    descriptor: (IZLorg/bouncycastle/math/ec/ECPoint;Lorg/bouncycastle/math/ec/ECCurve;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=5, args_size=5
        start local 0 // org.bouncycastle.math.ec.WNafUtil$2 this
         0: .line 390
            aload 0 /* this */
            iload 1
            putfield org.bouncycastle.math.ec.WNafUtil$2.val$width:I
            aload 0 /* this */
            iload 2
            putfield org.bouncycastle.math.ec.WNafUtil$2.val$includeNegated:Z
            aload 0 /* this */
            aload 3
            putfield org.bouncycastle.math.ec.WNafUtil$2.val$p:Lorg/bouncycastle/math/ec/ECPoint;
            aload 0 /* this */
            aload 4
            putfield org.bouncycastle.math.ec.WNafUtil$2.val$c:Lorg/bouncycastle/math/ec/ECCurve;
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.bouncycastle.math.ec.WNafUtil$2 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/math/ec/WNafUtil$2;
    MethodParameters:
                    Name  Flags
      val$width           final
      val$includeNegated  final
      val$p               final
      val$c               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=5, locals=14, args_size=2
        start local 0 // org.bouncycastle.math.ec.WNafUtil$2 this
        start local 1 // org.bouncycastle.math.ec.PreCompInfo existing
         0: .line 394
            aload 1 /* existing */
            instanceof org.bouncycastle.math.ec.WNafPreCompInfo
            ifeq 1
            aload 1 /* existing */
            checkcast org.bouncycastle.math.ec.WNafPreCompInfo
            goto 2
      StackMap locals:
      StackMap stack:
         1: aconst_null
      StackMap locals:
      StackMap stack: org.bouncycastle.math.ec.WNafPreCompInfo
         2: astore 2 /* existingWNaf */
        start local 2 // org.bouncycastle.math.ec.WNafPreCompInfo existingWNaf
         3: .line 396
            iconst_1
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.WNafUtil$2.val$width:I
            iconst_2
            isub
            invokestatic java.lang.Math.max:(II)I
            ishl
            istore 3 /* reqPreCompLen */
        start local 3 // int reqPreCompLen
         4: .line 398
            aload 0 /* this */
            aload 2 /* existingWNaf */
            iload 3 /* reqPreCompLen */
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.WNafUtil$2.val$includeNegated:Z
            invokevirtual org.bouncycastle.math.ec.WNafUtil$2.checkExisting:(Lorg/bouncycastle/math/ec/WNafPreCompInfo;IZ)Z
            ifeq 6
         5: .line 400
            aload 2 /* existingWNaf */
            areturn
         6: .line 403
      StackMap locals: org.bouncycastle.math.ec.WNafPreCompInfo int
      StackMap stack:
            aconst_null
            astore 4 /* preComp */
        start local 4 // org.bouncycastle.math.ec.ECPoint[] preComp
         7: aconst_null
            astore 5 /* preCompNeg */
        start local 5 // org.bouncycastle.math.ec.ECPoint[] preCompNeg
         8: .line 404
            aconst_null
            astore 6 /* twiceP */
        start local 6 // org.bouncycastle.math.ec.ECPoint twiceP
         9: .line 406
            aload 2 /* existingWNaf */
            ifnull 13
        10: .line 408
            aload 2 /* existingWNaf */
            invokevirtual org.bouncycastle.math.ec.WNafPreCompInfo.getPreComp:()[Lorg/bouncycastle/math/ec/ECPoint;
            astore 4 /* preComp */
        11: .line 409
            aload 2 /* existingWNaf */
            invokevirtual org.bouncycastle.math.ec.WNafPreCompInfo.getPreCompNeg:()[Lorg/bouncycastle/math/ec/ECPoint;
            astore 5 /* preCompNeg */
        12: .line 410
            aload 2 /* existingWNaf */
            invokevirtual org.bouncycastle.math.ec.WNafPreCompInfo.getTwice:()Lorg/bouncycastle/math/ec/ECPoint;
            astore 6 /* twiceP */
        13: .line 413
      StackMap locals: org.bouncycastle.math.ec.ECPoint[] org.bouncycastle.math.ec.ECPoint[] org.bouncycastle.math.ec.ECPoint
      StackMap stack:
            iconst_0
            istore 7 /* iniPreCompLen */
        start local 7 // int iniPreCompLen
        14: .line 414
            aload 4 /* preComp */
            ifnonnull 17
        15: .line 416
            getstatic org.bouncycastle.math.ec.WNafUtil.EMPTY_POINTS:[Lorg/bouncycastle/math/ec/ECPoint;
            astore 4 /* preComp */
        16: .line 417
            goto 18
        17: .line 420
      StackMap locals: int
      StackMap stack:
            aload 4 /* preComp */
            arraylength
            istore 7 /* iniPreCompLen */
        18: .line 423
      StackMap locals:
      StackMap stack:
            iload 7 /* iniPreCompLen */
            iload 3 /* reqPreCompLen */
            if_icmpge 51
        19: .line 425
            aload 4 /* preComp */
            iload 3 /* reqPreCompLen */
            invokestatic org.bouncycastle.math.ec.WNafUtil.resizeTable:([Lorg/bouncycastle/math/ec/ECPoint;I)[Lorg/bouncycastle/math/ec/ECPoint;
            astore 4 /* preComp */
        20: .line 427
            iload 3 /* reqPreCompLen */
            iconst_1
            if_icmpne 23
        21: .line 429
            aload 4 /* preComp */
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.WNafUtil$2.val$p:Lorg/bouncycastle/math/ec/ECPoint;
            invokevirtual org.bouncycastle.math.ec.ECPoint.normalize:()Lorg/bouncycastle/math/ec/ECPoint;
            aastore
        22: .line 430
            goto 51
        23: .line 433
      StackMap locals:
      StackMap stack:
            iload 7 /* iniPreCompLen */
            istore 8 /* curPreCompLen */
        start local 8 // int curPreCompLen
        24: .line 434
            iload 8 /* curPreCompLen */
            ifne 27
        25: .line 436
            aload 4 /* preComp */
            iconst_0
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.WNafUtil$2.val$p:Lorg/bouncycastle/math/ec/ECPoint;
            aastore
        26: .line 437
            iconst_1
            istore 8 /* curPreCompLen */
        27: .line 440
      StackMap locals: int
      StackMap stack:
            aconst_null
            astore 9 /* iso */
        start local 9 // org.bouncycastle.math.ec.ECFieldElement iso
        28: .line 442
            iload 3 /* reqPreCompLen */
            iconst_2
            if_icmpne 31
        29: .line 444
            aload 4 /* preComp */
            iconst_1
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.WNafUtil$2.val$p:Lorg/bouncycastle/math/ec/ECPoint;
            invokevirtual org.bouncycastle.math.ec.ECPoint.threeTimes:()Lorg/bouncycastle/math/ec/ECPoint;
            aastore
        30: .line 445
            goto 50
        31: .line 448
      StackMap locals: org.bouncycastle.math.ec.ECFieldElement
      StackMap stack:
            aload 6 /* twiceP */
            astore 10 /* isoTwiceP */
        start local 10 // org.bouncycastle.math.ec.ECPoint isoTwiceP
        32: aload 4 /* preComp */
            iload 8 /* curPreCompLen */
            iconst_1
            isub
            aaload
            astore 11 /* last */
        start local 11 // org.bouncycastle.math.ec.ECPoint last
        33: .line 449
            aload 10 /* isoTwiceP */
            ifnonnull 49
        34: .line 451
            aload 4 /* preComp */
            iconst_0
            aaload
            invokevirtual org.bouncycastle.math.ec.ECPoint.twice:()Lorg/bouncycastle/math/ec/ECPoint;
            astore 10 /* isoTwiceP */
        35: .line 452
            aload 10 /* isoTwiceP */
            astore 6 /* twiceP */
        36: .line 464
            aload 6 /* twiceP */
            invokevirtual org.bouncycastle.math.ec.ECPoint.isInfinity:()Z
            ifne 49
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.WNafUtil$2.val$c:Lorg/bouncycastle/math/ec/ECCurve;
            invokestatic org.bouncycastle.math.ec.ECAlgorithms.isFpCurve:(Lorg/bouncycastle/math/ec/ECCurve;)Z
            ifeq 49
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.WNafUtil$2.val$c:Lorg/bouncycastle/math/ec/ECCurve;
            invokevirtual org.bouncycastle.math.ec.ECCurve.getFieldSize:()I
            bipush 64
            if_icmplt 49
        37: .line 466
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.WNafUtil$2.val$c:Lorg/bouncycastle/math/ec/ECCurve;
            invokevirtual org.bouncycastle.math.ec.ECCurve.getCoordinateSystem:()I
            tableswitch { // 2 - 4
                    2: 38
                    3: 38
                    4: 38
              default: 47
          }
        38: .line 472
      StackMap locals: org.bouncycastle.math.ec.ECPoint org.bouncycastle.math.ec.ECPoint
      StackMap stack:
            aload 6 /* twiceP */
            iconst_0
            invokevirtual org.bouncycastle.math.ec.ECPoint.getZCoord:(I)Lorg/bouncycastle/math/ec/ECFieldElement;
            astore 9 /* iso */
        39: .line 473
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.WNafUtil$2.val$c:Lorg/bouncycastle/math/ec/ECCurve;
            aload 6 /* twiceP */
            invokevirtual org.bouncycastle.math.ec.ECPoint.getXCoord:()Lorg/bouncycastle/math/ec/ECFieldElement;
            invokevirtual org.bouncycastle.math.ec.ECFieldElement.toBigInteger:()Ljava/math/BigInteger;
            aload 6 /* twiceP */
            invokevirtual org.bouncycastle.math.ec.ECPoint.getYCoord:()Lorg/bouncycastle/math/ec/ECFieldElement;
        40: .line 474
            invokevirtual org.bouncycastle.math.ec.ECFieldElement.toBigInteger:()Ljava/math/BigInteger;
        41: .line 473
            invokevirtual org.bouncycastle.math.ec.ECCurve.createPoint:(Ljava/math/BigInteger;Ljava/math/BigInteger;)Lorg/bouncycastle/math/ec/ECPoint;
            astore 10 /* isoTwiceP */
        42: .line 476
            aload 9 /* iso */
            invokevirtual org.bouncycastle.math.ec.ECFieldElement.square:()Lorg/bouncycastle/math/ec/ECFieldElement;
            astore 12 /* iso2 */
        start local 12 // org.bouncycastle.math.ec.ECFieldElement iso2
        43: aload 12 /* iso2 */
            aload 9 /* iso */
            invokevirtual org.bouncycastle.math.ec.ECFieldElement.multiply:(Lorg/bouncycastle/math/ec/ECFieldElement;)Lorg/bouncycastle/math/ec/ECFieldElement;
            astore 13 /* iso3 */
        start local 13 // org.bouncycastle.math.ec.ECFieldElement iso3
        44: .line 477
            aload 11 /* last */
            aload 12 /* iso2 */
            invokevirtual org.bouncycastle.math.ec.ECPoint.scaleX:(Lorg/bouncycastle/math/ec/ECFieldElement;)Lorg/bouncycastle/math/ec/ECPoint;
            aload 13 /* iso3 */
            invokevirtual org.bouncycastle.math.ec.ECPoint.scaleY:(Lorg/bouncycastle/math/ec/ECFieldElement;)Lorg/bouncycastle/math/ec/ECPoint;
            astore 11 /* last */
        45: .line 479
            iload 7 /* iniPreCompLen */
            ifne 49
        46: .line 481
            aload 4 /* preComp */
            iconst_0
            aload 11 /* last */
            aastore
        end local 13 // org.bouncycastle.math.ec.ECFieldElement iso3
        end local 12 // org.bouncycastle.math.ec.ECFieldElement iso2
        47: .line 489
      StackMap locals:
      StackMap stack:
            goto 49
        48: .line 495
      StackMap locals:
      StackMap stack:
            aload 4 /* preComp */
            iload 8 /* curPreCompLen */
            iinc 8 /* curPreCompLen */ 1
            aload 11 /* last */
            aload 10 /* isoTwiceP */
            invokevirtual org.bouncycastle.math.ec.ECPoint.add:(Lorg/bouncycastle/math/ec/ECPoint;)Lorg/bouncycastle/math/ec/ECPoint;
            dup
            astore 11 /* last */
            aastore
        49: .line 489
      StackMap locals:
      StackMap stack:
            iload 8 /* curPreCompLen */
            iload 3 /* reqPreCompLen */
            if_icmplt 48
        end local 11 // org.bouncycastle.math.ec.ECPoint last
        end local 10 // org.bouncycastle.math.ec.ECPoint isoTwiceP
        50: .line 502
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.WNafUtil$2.val$c:Lorg/bouncycastle/math/ec/ECCurve;
            aload 4 /* preComp */
            iload 7 /* iniPreCompLen */
            iload 3 /* reqPreCompLen */
            iload 7 /* iniPreCompLen */
            isub
            aload 9 /* iso */
            invokevirtual org.bouncycastle.math.ec.ECCurve.normalizeAll:([Lorg/bouncycastle/math/ec/ECPoint;IILorg/bouncycastle/math/ec/ECFieldElement;)V
        end local 9 // org.bouncycastle.math.ec.ECFieldElement iso
        end local 8 // int curPreCompLen
        51: .line 506
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.bouncycastle.math.ec.WNafUtil$2.val$includeNegated:Z
            ifeq 63
        52: .line 509
            aload 5 /* preCompNeg */
            ifnonnull 56
        53: .line 511
            iconst_0
            istore 8 /* pos */
        start local 8 // int pos
        54: .line 512
            iload 3 /* reqPreCompLen */
            anewarray org.bouncycastle.math.ec.ECPoint
            astore 5 /* preCompNeg */
        55: .line 513
            goto 62
        end local 8 // int pos
        56: .line 516
      StackMap locals:
      StackMap stack:
            aload 5 /* preCompNeg */
            arraylength
            istore 8 /* pos */
        start local 8 // int pos
        57: .line 517
            iload 8 /* pos */
            iload 3 /* reqPreCompLen */
            if_icmpge 62
        58: .line 519
            aload 5 /* preCompNeg */
            iload 3 /* reqPreCompLen */
            invokestatic org.bouncycastle.math.ec.WNafUtil.resizeTable:([Lorg/bouncycastle/math/ec/ECPoint;I)[Lorg/bouncycastle/math/ec/ECPoint;
            astore 5 /* preCompNeg */
        59: .line 523
            goto 62
        60: .line 525
      StackMap locals: int
      StackMap stack:
            aload 5 /* preCompNeg */
            iload 8 /* pos */
            aload 4 /* preComp */
            iload 8 /* pos */
            aaload
            invokevirtual org.bouncycastle.math.ec.ECPoint.negate:()Lorg/bouncycastle/math/ec/ECPoint;
            aastore
        61: .line 526
            iinc 8 /* pos */ 1
        62: .line 523
      StackMap locals:
      StackMap stack:
            iload 8 /* pos */
            iload 3 /* reqPreCompLen */
            if_icmplt 60
        end local 8 // int pos
        63: .line 530
      StackMap locals:
      StackMap stack:
            new org.bouncycastle.math.ec.WNafPreCompInfo
            dup
            invokespecial org.bouncycastle.math.ec.WNafPreCompInfo.<init>:()V
            astore 8 /* result */
        start local 8 // org.bouncycastle.math.ec.WNafPreCompInfo result
        64: .line 531
            aload 8 /* result */
            aload 4 /* preComp */
            invokevirtual org.bouncycastle.math.ec.WNafPreCompInfo.setPreComp:([Lorg/bouncycastle/math/ec/ECPoint;)V
        65: .line 532
            aload 8 /* result */
            aload 5 /* preCompNeg */
            invokevirtual org.bouncycastle.math.ec.WNafPreCompInfo.setPreCompNeg:([Lorg/bouncycastle/math/ec/ECPoint;)V
        66: .line 533
            aload 8 /* result */
            aload 6 /* twiceP */
            invokevirtual org.bouncycastle.math.ec.WNafPreCompInfo.setTwice:(Lorg/bouncycastle/math/ec/ECPoint;)V
        67: .line 534
            aload 8 /* result */
            areturn
        end local 8 // org.bouncycastle.math.ec.WNafPreCompInfo result
        end local 7 // int iniPreCompLen
        end local 6 // org.bouncycastle.math.ec.ECPoint twiceP
        end local 5 // org.bouncycastle.math.ec.ECPoint[] preCompNeg
        end local 4 // org.bouncycastle.math.ec.ECPoint[] preComp
        end local 3 // int reqPreCompLen
        end local 2 // org.bouncycastle.math.ec.WNafPreCompInfo existingWNaf
        end local 1 // org.bouncycastle.math.ec.PreCompInfo existing
        end local 0 // org.bouncycastle.math.ec.WNafUtil$2 this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0   68     0           this  Lorg/bouncycastle/math/ec/WNafUtil$2;
            0   68     1       existing  Lorg/bouncycastle/math/ec/PreCompInfo;
            3   68     2   existingWNaf  Lorg/bouncycastle/math/ec/WNafPreCompInfo;
            4   68     3  reqPreCompLen  I
            7   68     4        preComp  [Lorg/bouncycastle/math/ec/ECPoint;
            8   68     5     preCompNeg  [Lorg/bouncycastle/math/ec/ECPoint;
            9   68     6         twiceP  Lorg/bouncycastle/math/ec/ECPoint;
           14   68     7  iniPreCompLen  I
           24   51     8  curPreCompLen  I
           28   51     9            iso  Lorg/bouncycastle/math/ec/ECFieldElement;
           32   50    10      isoTwiceP  Lorg/bouncycastle/math/ec/ECPoint;
           33   50    11           last  Lorg/bouncycastle/math/ec/ECPoint;
           43   47    12           iso2  Lorg/bouncycastle/math/ec/ECFieldElement;
           44   47    13           iso3  Lorg/bouncycastle/math/ec/ECFieldElement;
           54   56     8            pos  I
           57   63     8            pos  I
           64   68     8         result  Lorg/bouncycastle/math/ec/WNafPreCompInfo;
    MethodParameters:
          Name  Flags
      existing  

  private boolean checkExisting(org.bouncycastle.math.ec.WNafPreCompInfo, int, boolean);
    descriptor: (Lorg/bouncycastle/math/ec/WNafPreCompInfo;IZ)Z
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=4, args_size=4
        start local 0 // org.bouncycastle.math.ec.WNafUtil$2 this
        start local 1 // org.bouncycastle.math.ec.WNafPreCompInfo existingWNaf
        start local 2 // int reqPreCompLen
        start local 3 // boolean includeNegated
         0: .line 539
            aload 1 /* existingWNaf */
            ifnull 4
         1: .line 540
            aload 0 /* this */
            aload 1 /* existingWNaf */
            invokevirtual org.bouncycastle.math.ec.WNafPreCompInfo.getPreComp:()[Lorg/bouncycastle/math/ec/ECPoint;
            iload 2 /* reqPreCompLen */
            invokevirtual org.bouncycastle.math.ec.WNafUtil$2.checkTable:([Lorg/bouncycastle/math/ec/ECPoint;I)Z
            ifeq 4
         2: .line 541
            iload 3 /* includeNegated */
            ifeq 3
            aload 0 /* this */
            aload 1 /* existingWNaf */
            invokevirtual org.bouncycastle.math.ec.WNafPreCompInfo.getPreCompNeg:()[Lorg/bouncycastle/math/ec/ECPoint;
            iload 2 /* reqPreCompLen */
            invokevirtual org.bouncycastle.math.ec.WNafUtil$2.checkTable:([Lorg/bouncycastle/math/ec/ECPoint;I)Z
            ifeq 4
         3: .line 539
      StackMap locals:
      StackMap stack:
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         4: iconst_0
            ireturn
        end local 3 // boolean includeNegated
        end local 2 // int reqPreCompLen
        end local 1 // org.bouncycastle.math.ec.WNafPreCompInfo existingWNaf
        end local 0 // org.bouncycastle.math.ec.WNafUtil$2 this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    5     0            this  Lorg/bouncycastle/math/ec/WNafUtil$2;
            0    5     1    existingWNaf  Lorg/bouncycastle/math/ec/WNafPreCompInfo;
            0    5     2   reqPreCompLen  I
            0    5     3  includeNegated  Z
    MethodParameters:
                Name  Flags
      existingWNaf    
      reqPreCompLen   
      includeNegated  

  private boolean checkTable(org.bouncycastle.math.ec.ECPoint[], int);
    descriptor: ([Lorg/bouncycastle/math/ec/ECPoint;I)Z
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.bouncycastle.math.ec.WNafUtil$2 this
        start local 1 // org.bouncycastle.math.ec.ECPoint[] table
        start local 2 // int reqLen
         0: .line 546
            aload 1 /* table */
            ifnull 1
            aload 1 /* table */
            arraylength
            iload 2 /* reqLen */
            if_icmplt 1
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         1: iconst_0
            ireturn
        end local 2 // int reqLen
        end local 1 // org.bouncycastle.math.ec.ECPoint[] table
        end local 0 // org.bouncycastle.math.ec.WNafUtil$2 this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lorg/bouncycastle/math/ec/WNafUtil$2;
            0    2     1   table  [Lorg/bouncycastle/math/ec/ECPoint;
            0    2     2  reqLen  I
    MethodParameters:
        Name  Flags
      table   
      reqLen  
}
SourceFile: "WNafUtil.java"
EnclosingMethod: org.bouncycastle.math.ec.WNafUtil.precompute:(Lorg/bouncycastle/math/ec/ECPoint;IZ)Lorg/bouncycastle/math/ec/WNafPreCompInfo;
NestHost: org.bouncycastle.math.ec.WNafUtil
InnerClasses:
  org.bouncycastle.math.ec.WNafUtil$2