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. 
public class org.bouncycastle.math.ec.custom.sec.SecP224K1Field
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.math.ec.custom.sec.SecP224K1Field
  super_class: java.lang.Object
{
  static final int[] P;
    descriptor: [I
    flags: (0x0018) ACC_STATIC, ACC_FINAL

  static final int[] PExt;
    descriptor: [I
    flags: (0x0018) ACC_STATIC, ACC_FINAL

  private static final int[] PExtInv;
    descriptor: [I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private static final int P6;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: -1

  private static final int PExt13;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: -1

  private static final int PInv33;
    descriptor: I
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: 6803

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=4, locals=0, args_size=0
         0: .line 11
            bipush 7
            newarray 10
            dup
            iconst_0
            sipush -6803
            iastore
            dup
            iconst_1
            bipush -2
            iastore
            dup
            iconst_2
            iconst_m1
            iastore
            dup
            iconst_3
            iconst_m1
            iastore
            dup
            iconst_4
            iconst_m1
            iastore
            dup
            iconst_5
            iconst_m1
            iastore
            dup
            bipush 6
         1: .line 12
            iconst_m1
            iastore
         2: .line 11
            putstatic org.bouncycastle.math.ec.custom.sec.SecP224K1Field.P:[I
         3: .line 13
            bipush 14
            newarray 10
            dup
            iconst_0
            ldc 46280809
            iastore
            dup
            iconst_1
            sipush 13606
            iastore
            dup
            iconst_2
            iconst_1
            iastore
            dup
            bipush 7
         4: .line 14
            sipush -13606
            iastore
            dup
            bipush 8
            bipush -3
            iastore
            dup
            bipush 9
            iconst_m1
            iastore
            dup
            bipush 10
            iconst_m1
            iastore
            dup
            bipush 11
            iconst_m1
            iastore
            dup
            bipush 12
            iconst_m1
            iastore
            dup
            bipush 13
            iconst_m1
            iastore
         5: .line 13
            putstatic org.bouncycastle.math.ec.custom.sec.SecP224K1Field.PExt:[I
         6: .line 15
            bipush 9
            newarray 10
            dup
            iconst_0
            ldc -46280809
            iastore
            dup
            iconst_1
            sipush -13607
            iastore
            dup
            iconst_2
            bipush -2
            iastore
            dup
            iconst_3
            iconst_m1
            iastore
            dup
            iconst_4
            iconst_m1
            iastore
            dup
            iconst_5
         7: .line 16
            iconst_m1
            iastore
            dup
            bipush 6
            iconst_m1
            iastore
            dup
            bipush 7
            sipush 13605
            iastore
            dup
            bipush 8
            iconst_2
            iastore
         8: .line 15
            putstatic org.bouncycastle.math.ec.custom.sec.SecP224K1Field.PExtInv:[I
         9: .line 19
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.math.ec.custom.sec.SecP224K1Field this
         0: .line 8
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.bouncycastle.math.ec.custom.sec.SecP224K1Field this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/math/ec/custom/sec/SecP224K1Field;

  public static void add(int[], int[], int[]);
    descriptor: ([I[I[I)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // int[] x
        start local 1 // int[] y
        start local 2 // int[] z
         0: .line 23
            aload 0 /* x */
            aload 1 /* y */
            aload 2 /* z */
            invokestatic org.bouncycastle.math.raw.Nat224.add:([I[I[I)I
            istore 3 /* c */
        start local 3 // int c
         1: .line 24
            iload 3 /* c */
            ifne 2
            aload 2 /* z */
            bipush 6
            iaload
            iconst_m1
            if_icmpne 3
            aload 2 /* z */
            getstatic org.bouncycastle.math.ec.custom.sec.SecP224K1Field.P:[I
            invokestatic org.bouncycastle.math.raw.Nat224.gte:([I[I)Z
            ifeq 3
         2: .line 26
      StackMap locals: int
      StackMap stack:
            bipush 7
            sipush 6803
            aload 2 /* z */
            invokestatic org.bouncycastle.math.raw.Nat.add33To:(II[I)I
            pop
         3: .line 28
      StackMap locals:
      StackMap stack:
            return
        end local 3 // int c
        end local 2 // int[] z
        end local 1 // int[] y
        end local 0 // int[] x
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0     x  [I
            0    4     1     y  [I
            0    4     2     z  [I
            1    4     3     c  I
    MethodParameters:
      Name  Flags
      x     
      y     
      z     

  public static void addExt(int[], int[], int[]);
    descriptor: ([I[I[I)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=4, args_size=3
        start local 0 // int[] xx
        start local 1 // int[] yy
        start local 2 // int[] zz
         0: .line 32
            bipush 14
            aload 0 /* xx */
            aload 1 /* yy */
            aload 2 /* zz */
            invokestatic org.bouncycastle.math.raw.Nat.add:(I[I[I[I)I
            istore 3 /* c */
        start local 3 // int c
         1: .line 33
            iload 3 /* c */
            ifne 2
            aload 2 /* zz */
            bipush 13
            iaload
            iconst_m1
            if_icmpne 4
            bipush 14
            aload 2 /* zz */
            getstatic org.bouncycastle.math.ec.custom.sec.SecP224K1Field.PExt:[I
            invokestatic org.bouncycastle.math.raw.Nat.gte:(I[I[I)Z
            ifeq 4
         2: .line 35
      StackMap locals: int
      StackMap stack:
            getstatic org.bouncycastle.math.ec.custom.sec.SecP224K1Field.PExtInv:[I
            arraylength
            getstatic org.bouncycastle.math.ec.custom.sec.SecP224K1Field.PExtInv:[I
            aload 2 /* zz */
            invokestatic org.bouncycastle.math.raw.Nat.addTo:(I[I[I)I
            ifeq 4
         3: .line 37
            bipush 14
            aload 2 /* zz */
            getstatic org.bouncycastle.math.ec.custom.sec.SecP224K1Field.PExtInv:[I
            arraylength
            invokestatic org.bouncycastle.math.raw.Nat.incAt:(I[II)I
            pop
         4: .line 40
      StackMap locals:
      StackMap stack:
            return
        end local 3 // int c
        end local 2 // int[] zz
        end local 1 // int[] yy
        end local 0 // int[] xx
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0    xx  [I
            0    5     1    yy  [I
            0    5     2    zz  [I
            1    5     3     c  I
    MethodParameters:
      Name  Flags
      xx    
      yy    
      zz    

  public static void addOne(int[], int[]);
    descriptor: ([I[I)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // int[] x
        start local 1 // int[] z
         0: .line 44
            bipush 7
            aload 0 /* x */
            aload 1 /* z */
            invokestatic org.bouncycastle.math.raw.Nat.inc:(I[I[I)I
            istore 2 /* c */
        start local 2 // int c
         1: .line 45
            iload 2 /* c */
            ifne 2
            aload 1 /* z */
            bipush 6
            iaload
            iconst_m1
            if_icmpne 3
            aload 1 /* z */
            getstatic org.bouncycastle.math.ec.custom.sec.SecP224K1Field.P:[I
            invokestatic org.bouncycastle.math.raw.Nat224.gte:([I[I)Z
            ifeq 3
         2: .line 47
      StackMap locals: int
      StackMap stack:
            bipush 7
            sipush 6803
            aload 1 /* z */
            invokestatic org.bouncycastle.math.raw.Nat.add33To:(II[I)I
            pop
         3: .line 49
      StackMap locals:
      StackMap stack:
            return
        end local 2 // int c
        end local 1 // int[] z
        end local 0 // int[] x
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0     x  [I
            0    4     1     z  [I
            1    4     2     c  I
    MethodParameters:
      Name  Flags
      x     
      z     

  public static int[] fromBigInteger(java.math.BigInteger);
    descriptor: (Ljava/math/BigInteger;)[I
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // java.math.BigInteger x
         0: .line 53
            aload 0 /* x */
            invokestatic org.bouncycastle.math.raw.Nat224.fromBigInteger:(Ljava/math/BigInteger;)[I
            astore 1 /* z */
        start local 1 // int[] z
         1: .line 54
            aload 1 /* z */
            bipush 6
            iaload
            iconst_m1
            if_icmpne 3
            aload 1 /* z */
            getstatic org.bouncycastle.math.ec.custom.sec.SecP224K1Field.P:[I
            invokestatic org.bouncycastle.math.raw.Nat224.gte:([I[I)Z
            ifeq 3
         2: .line 56
            bipush 7
            sipush 6803
            aload 1 /* z */
            invokestatic org.bouncycastle.math.raw.Nat.add33To:(II[I)I
            pop
         3: .line 58
      StackMap locals: int[]
      StackMap stack:
            aload 1 /* z */
            areturn
        end local 1 // int[] z
        end local 0 // java.math.BigInteger x
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0     x  Ljava/math/BigInteger;
            1    4     1     z  [I
    MethodParameters:
      Name  Flags
      x     

  public static void half(int[], int[]);
    descriptor: ([I[I)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=3, args_size=2
        start local 0 // int[] x
        start local 1 // int[] z
         0: .line 63
            aload 0 /* x */
            iconst_0
            iaload
            iconst_1
            iand
            ifne 3
         1: .line 65
            bipush 7
            aload 0 /* x */
            iconst_0
            aload 1 /* z */
            invokestatic org.bouncycastle.math.raw.Nat.shiftDownBit:(I[II[I)I
            pop
         2: .line 66
            goto 5
         3: .line 69
      StackMap locals:
      StackMap stack:
            aload 0 /* x */
            getstatic org.bouncycastle.math.ec.custom.sec.SecP224K1Field.P:[I
            aload 1 /* z */
            invokestatic org.bouncycastle.math.raw.Nat224.add:([I[I[I)I
            istore 2 /* c */
        start local 2 // int c
         4: .line 70
            bipush 7
            aload 1 /* z */
            iload 2 /* c */
            invokestatic org.bouncycastle.math.raw.Nat.shiftDownBit:(I[II)I
            pop
        end local 2 // int c
         5: .line 72
      StackMap locals:
      StackMap stack:
            return
        end local 1 // int[] z
        end local 0 // int[] x
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0     x  [I
            0    6     1     z  [I
            4    5     2     c  I
    MethodParameters:
      Name  Flags
      x     
      z     

  public static void multiply(int[], int[], int[]);
    descriptor: ([I[I[I)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // int[] x
        start local 1 // int[] y
        start local 2 // int[] z
         0: .line 76
            invokestatic org.bouncycastle.math.raw.Nat224.createExt:()[I
            astore 3 /* tt */
        start local 3 // int[] tt
         1: .line 77
            aload 0 /* x */
            aload 1 /* y */
            aload 3 /* tt */
            invokestatic org.bouncycastle.math.raw.Nat224.mul:([I[I[I)V
         2: .line 78
            aload 3 /* tt */
            aload 2 /* z */
            invokestatic org.bouncycastle.math.ec.custom.sec.SecP224K1Field.reduce:([I[I)V
         3: .line 79
            return
        end local 3 // int[] tt
        end local 2 // int[] z
        end local 1 // int[] y
        end local 0 // int[] x
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0     x  [I
            0    4     1     y  [I
            0    4     2     z  [I
            1    4     3    tt  [I
    MethodParameters:
      Name  Flags
      x     
      y     
      z     

  public static void multiplyAddToExt(int[], int[], int[]);
    descriptor: ([I[I[I)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // int[] x
        start local 1 // int[] y
        start local 2 // int[] zz
         0: .line 83
            aload 0 /* x */
            aload 1 /* y */
            aload 2 /* zz */
            invokestatic org.bouncycastle.math.raw.Nat224.mulAddTo:([I[I[I)I
            istore 3 /* c */
        start local 3 // int c
         1: .line 84
            iload 3 /* c */
            ifne 2
            aload 2 /* zz */
            bipush 13
            iaload
            iconst_m1
            if_icmpne 4
            bipush 14
            aload 2 /* zz */
            getstatic org.bouncycastle.math.ec.custom.sec.SecP224K1Field.PExt:[I
            invokestatic org.bouncycastle.math.raw.Nat.gte:(I[I[I)Z
            ifeq 4
         2: .line 86
      StackMap locals: int
      StackMap stack:
            getstatic org.bouncycastle.math.ec.custom.sec.SecP224K1Field.PExtInv:[I
            arraylength
            getstatic org.bouncycastle.math.ec.custom.sec.SecP224K1Field.PExtInv:[I
            aload 2 /* zz */
            invokestatic org.bouncycastle.math.raw.Nat.addTo:(I[I[I)I
            ifeq 4
         3: .line 88
            bipush 14
            aload 2 /* zz */
            getstatic org.bouncycastle.math.ec.custom.sec.SecP224K1Field.PExtInv:[I
            arraylength
            invokestatic org.bouncycastle.math.raw.Nat.incAt:(I[II)I
            pop
         4: .line 91
      StackMap locals:
      StackMap stack:
            return
        end local 3 // int c
        end local 2 // int[] zz
        end local 1 // int[] y
        end local 0 // int[] x
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0     x  [I
            0    5     1     y  [I
            0    5     2    zz  [I
            1    5     3     c  I
    MethodParameters:
      Name  Flags
      x     
      y     
      zz    

  public static void negate(int[], int[]);
    descriptor: ([I[I)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // int[] x
        start local 1 // int[] z
         0: .line 95
            aload 0 /* x */
            invokestatic org.bouncycastle.math.raw.Nat224.isZero:([I)Z
            ifeq 3
         1: .line 97
            aload 1 /* z */
            invokestatic org.bouncycastle.math.raw.Nat224.zero:([I)V
         2: .line 98
            goto 4
         3: .line 101
      StackMap locals:
      StackMap stack:
            getstatic org.bouncycastle.math.ec.custom.sec.SecP224K1Field.P:[I
            aload 0 /* x */
            aload 1 /* z */
            invokestatic org.bouncycastle.math.raw.Nat224.sub:([I[I[I)I
            pop
         4: .line 103
      StackMap locals:
      StackMap stack:
            return
        end local 1 // int[] z
        end local 0 // int[] x
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0     x  [I
            0    5     1     z  [I
    MethodParameters:
      Name  Flags
      x     
      z     

  public static void reduce(int[], int[]);
    descriptor: ([I[I)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=7, locals=5, args_size=2
        start local 0 // int[] xx
        start local 1 // int[] z
         0: .line 107
            sipush 6803
            aload 0 /* xx */
            bipush 7
            aload 0 /* xx */
            iconst_0
            aload 1 /* z */
            iconst_0
            invokestatic org.bouncycastle.math.raw.Nat224.mul33Add:(I[II[II[II)J
            lstore 2 /* cc */
        start local 2 // long cc
         1: .line 108
            sipush 6803
            lload 2 /* cc */
            aload 1 /* z */
            iconst_0
            invokestatic org.bouncycastle.math.raw.Nat224.mul33DWordAdd:(IJ[II)I
            istore 4 /* c */
        start local 4 // int c
         2: .line 112
            iload 4 /* c */
            ifne 3
            aload 1 /* z */
            bipush 6
            iaload
            iconst_m1
            if_icmpne 4
            aload 1 /* z */
            getstatic org.bouncycastle.math.ec.custom.sec.SecP224K1Field.P:[I
            invokestatic org.bouncycastle.math.raw.Nat224.gte:([I[I)Z
            ifeq 4
         3: .line 114
      StackMap locals: long int
      StackMap stack:
            bipush 7
            sipush 6803
            aload 1 /* z */
            invokestatic org.bouncycastle.math.raw.Nat.add33To:(II[I)I
            pop
         4: .line 116
      StackMap locals:
      StackMap stack:
            return
        end local 4 // int c
        end local 2 // long cc
        end local 1 // int[] z
        end local 0 // int[] xx
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0    xx  [I
            0    5     1     z  [I
            1    5     2    cc  J
            2    5     4     c  I
    MethodParameters:
      Name  Flags
      xx    
      z     

  public static void reduce32(int, int[]);
    descriptor: (I[I)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=2, args_size=2
        start local 0 // int x
        start local 1 // int[] z
         0: .line 120
            iload 0 /* x */
            ifeq 1
            sipush 6803
            iload 0 /* x */
            aload 1 /* z */
            iconst_0
            invokestatic org.bouncycastle.math.raw.Nat224.mul33WordAdd:(II[II)I
            ifne 2
         1: .line 121
      StackMap locals:
      StackMap stack:
            aload 1 /* z */
            bipush 6
            iaload
            iconst_m1
            if_icmpne 3
            aload 1 /* z */
            getstatic org.bouncycastle.math.ec.custom.sec.SecP224K1Field.P:[I
            invokestatic org.bouncycastle.math.raw.Nat224.gte:([I[I)Z
            ifeq 3
         2: .line 123
      StackMap locals:
      StackMap stack:
            bipush 7
            sipush 6803
            aload 1 /* z */
            invokestatic org.bouncycastle.math.raw.Nat.add33To:(II[I)I
            pop
         3: .line 125
      StackMap locals:
      StackMap stack:
            return
        end local 1 // int[] z
        end local 0 // int x
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0     x  I
            0    4     1     z  [I
    MethodParameters:
      Name  Flags
      x     
      z     

  public static void square(int[], int[]);
    descriptor: ([I[I)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // int[] x
        start local 1 // int[] z
         0: .line 129
            invokestatic org.bouncycastle.math.raw.Nat224.createExt:()[I
            astore 2 /* tt */
        start local 2 // int[] tt
         1: .line 130
            aload 0 /* x */
            aload 2 /* tt */
            invokestatic org.bouncycastle.math.raw.Nat224.square:([I[I)V
         2: .line 131
            aload 2 /* tt */
            aload 1 /* z */
            invokestatic org.bouncycastle.math.ec.custom.sec.SecP224K1Field.reduce:([I[I)V
         3: .line 132
            return
        end local 2 // int[] tt
        end local 1 // int[] z
        end local 0 // int[] x
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0     x  [I
            0    4     1     z  [I
            1    4     2    tt  [I
    MethodParameters:
      Name  Flags
      x     
      z     

  public static void squareN(int[], int, int[]);
    descriptor: ([II[I)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=4, args_size=3
        start local 0 // int[] x
        start local 1 // int n
        start local 2 // int[] z
         0: .line 138
            invokestatic org.bouncycastle.math.raw.Nat224.createExt:()[I
            astore 3 /* tt */
        start local 3 // int[] tt
         1: .line 139
            aload 0 /* x */
            aload 3 /* tt */
            invokestatic org.bouncycastle.math.raw.Nat224.square:([I[I)V
         2: .line 140
            aload 3 /* tt */
            aload 2 /* z */
            invokestatic org.bouncycastle.math.ec.custom.sec.SecP224K1Field.reduce:([I[I)V
         3: .line 142
            goto 6
         4: .line 144
      StackMap locals: int[]
      StackMap stack:
            aload 2 /* z */
            aload 3 /* tt */
            invokestatic org.bouncycastle.math.raw.Nat224.square:([I[I)V
         5: .line 145
            aload 3 /* tt */
            aload 2 /* z */
            invokestatic org.bouncycastle.math.ec.custom.sec.SecP224K1Field.reduce:([I[I)V
         6: .line 142
      StackMap locals:
      StackMap stack:
            iinc 1 /* n */ -1
            iload 1 /* n */
            ifgt 4
         7: .line 147
            return
        end local 3 // int[] tt
        end local 2 // int[] z
        end local 1 // int n
        end local 0 // int[] x
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    8     0     x  [I
            0    8     1     n  I
            0    8     2     z  [I
            1    8     3    tt  [I
    MethodParameters:
      Name  Flags
      x     
      n     
      z     

  public static void subtract(int[], int[], int[]);
    descriptor: ([I[I[I)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=4, args_size=3
        start local 0 // int[] x
        start local 1 // int[] y
        start local 2 // int[] z
         0: .line 151
            aload 0 /* x */
            aload 1 /* y */
            aload 2 /* z */
            invokestatic org.bouncycastle.math.raw.Nat224.sub:([I[I[I)I
            istore 3 /* c */
        start local 3 // int c
         1: .line 152
            iload 3 /* c */
            ifeq 3
         2: .line 154
            bipush 7
            sipush 6803
            aload 2 /* z */
            invokestatic org.bouncycastle.math.raw.Nat.sub33From:(II[I)I
            pop
         3: .line 156
      StackMap locals: int
      StackMap stack:
            return
        end local 3 // int c
        end local 2 // int[] z
        end local 1 // int[] y
        end local 0 // int[] x
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0     x  [I
            0    4     1     y  [I
            0    4     2     z  [I
            1    4     3     c  I
    MethodParameters:
      Name  Flags
      x     
      y     
      z     

  public static void subtractExt(int[], int[], int[]);
    descriptor: ([I[I[I)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=4, args_size=3
        start local 0 // int[] xx
        start local 1 // int[] yy
        start local 2 // int[] zz
         0: .line 160
            bipush 14
            aload 0 /* xx */
            aload 1 /* yy */
            aload 2 /* zz */
            invokestatic org.bouncycastle.math.raw.Nat.sub:(I[I[I[I)I
            istore 3 /* c */
        start local 3 // int c
         1: .line 161
            iload 3 /* c */
            ifeq 4
         2: .line 163
            getstatic org.bouncycastle.math.ec.custom.sec.SecP224K1Field.PExtInv:[I
            arraylength
            getstatic org.bouncycastle.math.ec.custom.sec.SecP224K1Field.PExtInv:[I
            aload 2 /* zz */
            invokestatic org.bouncycastle.math.raw.Nat.subFrom:(I[I[I)I
            ifeq 4
         3: .line 165
            bipush 14
            aload 2 /* zz */
            getstatic org.bouncycastle.math.ec.custom.sec.SecP224K1Field.PExtInv:[I
            arraylength
            invokestatic org.bouncycastle.math.raw.Nat.decAt:(I[II)I
            pop
         4: .line 168
      StackMap locals: int
      StackMap stack:
            return
        end local 3 // int c
        end local 2 // int[] zz
        end local 1 // int[] yy
        end local 0 // int[] xx
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0    xx  [I
            0    5     1    yy  [I
            0    5     2    zz  [I
            1    5     3     c  I
    MethodParameters:
      Name  Flags
      xx    
      yy    
      zz    

  public static void twice(int[], int[]);
    descriptor: ([I[I)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=4, locals=3, args_size=2
        start local 0 // int[] x
        start local 1 // int[] z
         0: .line 172
            bipush 7
            aload 0 /* x */
            iconst_0
            aload 1 /* z */
            invokestatic org.bouncycastle.math.raw.Nat.shiftUpBit:(I[II[I)I
            istore 2 /* c */
        start local 2 // int c
         1: .line 173
            iload 2 /* c */
            ifne 2
            aload 1 /* z */
            bipush 6
            iaload
            iconst_m1
            if_icmpne 3
            aload 1 /* z */
            getstatic org.bouncycastle.math.ec.custom.sec.SecP224K1Field.P:[I
            invokestatic org.bouncycastle.math.raw.Nat224.gte:([I[I)Z
            ifeq 3
         2: .line 175
      StackMap locals: int
      StackMap stack:
            bipush 7
            sipush 6803
            aload 1 /* z */
            invokestatic org.bouncycastle.math.raw.Nat.add33To:(II[I)I
            pop
         3: .line 177
      StackMap locals:
      StackMap stack:
            return
        end local 2 // int c
        end local 1 // int[] z
        end local 0 // int[] x
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0     x  [I
            0    4     1     z  [I
            1    4     2     c  I
    MethodParameters:
      Name  Flags
      x     
      z     
}
SourceFile: "SecP224K1Field.java"