Interface SecpScalar

All Known Implementing Classes:

SecpScalarImpl

public interface SecpScalar

Field Summary

Fields

Modifier and Type	Field	Description
static final BigInteger	MAX_VALUE
static final BigInteger	MIN_VALUE

Method Summary

Modifier and Type	Method	Description
static BigInteger	checkInRange(BigInteger e)	Throw IllegalArgumentException if an integer is not in the inclusive range 1 to N - 1, where N is the order of the SECG P256K1 generator point.
static boolean	isInRange(BigInteger e)	Check if an integer is in the inclusive range 1 to N - 1, where N is the order of the SECG P256K1 generator point.
byte[]	serialize()
BigInteger	toBigInteger()	Get the scalar as a BigInteger

Field Details

MIN_VALUE

static final BigInteger MIN_VALUE

MAX_VALUE

static final BigInteger MAX_VALUE

Method Details

toBigInteger

BigInteger toBigInteger()

Get the scalar as a BigInteger

Returns:

scalar value

isInRange

static boolean isInRange(BigInteger e)

Check if an integer is in the inclusive range 1 to N - 1, where N is the order of the SECG P256K1 generator point.

Parameters:

e - A possible scalar to validate

Returns:

true if valid

checkInRange

static BigInteger checkInRange(BigInteger e)

Throw IllegalArgumentException if an integer is not in the inclusive range 1 to N - 1, where N is the order of the SECG P256K1 generator point.

Parameters:

e - unvalidated integer

Returns:

a validated integer

serialize

byte[] serialize()