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.util.Integers
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.bouncycastle.util.Integers
  super_class: java.lang.Object
{
  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.bouncycastle.util.Integers this
         0: .line 6
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.bouncycastle.util.Integers this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/bouncycastle/util/Integers;

  public static int rotateLeft(int, int);
    descriptor: (II)I
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // int i
        start local 1 // int distance
         0: .line 10
            iload 0 /* i */
            iload 1 /* distance */
            invokestatic java.lang.Integer.rotateLeft:(II)I
            ireturn
        end local 1 // int distance
        end local 0 // int i
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    1     0         i  I
            0    1     1  distance  I
    MethodParameters:
          Name  Flags
      i         
      distance  

  public static int rotateRight(int, int);
    descriptor: (II)I
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // int i
        start local 1 // int distance
         0: .line 15
            iload 0 /* i */
            iload 1 /* distance */
            invokestatic java.lang.Integer.rotateRight:(II)I
            ireturn
        end local 1 // int distance
        end local 0 // int i
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    1     0         i  I
            0    1     1  distance  I
    MethodParameters:
          Name  Flags
      i         
      distance  

  public static java.lang.Integer valueOf(int);
    descriptor: (I)Ljava/lang/Integer;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // int value
         0: .line 20
            iload 0 /* value */
            invokestatic java.lang.Integer.valueOf:(I)Ljava/lang/Integer;
            areturn
        end local 0 // int value
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0  value  I
    MethodParameters:
       Name  Flags
      value  
}
SourceFile: "Integers.java"