old.org.bouncycastle.util

Class BigIntegers

java.lang.Object

old.org.bouncycastle.util.BigIntegers

public final class BigIntegers
extends Object

BigInteger utilities.

Constructor Summary

Constructors

Constructor and Description
BigIntegers()

Method Summary

Modifier and Type	Method and Description
static byte[]	asUnsignedByteArray(BigInteger value) Return the passed in value as an unsigned byte array.
static BigInteger	createRandomInRange(BigInteger min, BigInteger max, SecureRandom random) Return a random BigInteger not less than 'min' and not greater than 'max'

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

BigIntegers

public BigIntegers()

Method Detail

asUnsignedByteArray

public static byte[] asUnsignedByteArray(BigInteger value)

Return the passed in value as an unsigned byte array.

Parameters:

value - value to be converted.

Returns:

a byte array without a leading zero byte if present in the signed encoding.

createRandomInRange

public static BigInteger createRandomInRange(BigInteger min,
                                             BigInteger max,
                                             SecureRandom random)

Return a random BigInteger not less than 'min' and not greater than 'max'

Parameters:

min - the least value that may be generated

max - the greatest value that may be generated

random - the source of randomness

Returns:

a random BigInteger value in the range [min,max]