Top Constructors Methods
org.keycloak.jose.jwk

public Class JWKUtil

extends Object
Class Inheritance
Imports
java.math.BigInteger, java.util.Arrays

Constructor Summary

AccessConstructor and Description
public
JWKUtil()

Method Summary

Modifier and TypeMethod and Description
public static byte[]

Returns:

Byte array representation of the BigInteger parameter
toIntegerBytes(final BigInteger
BigInteger to be converted
bigInt)

Coverts BigInteger to 64-byte array removing the sign byte if necessary.

public static byte[]

Returns:

Byte array representation of the BigInteger parameter with length (bitlen + 7) / 8
toIntegerBytes(final BigInteger
BigInteger to be converted
bigInt, int
The bit length size of the integer (for example 521 for EC P-521)
bitlen)

Coverts BigInteger to 64-byte array but maintaining the length to bitlen as specified in rfc7518 for certain fields (X and Y parameter for EC keys).

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Constructor Detail

JWKUtilback to summary
public JWKUtil()

Method Detail

toIntegerBytesback to summary
public static byte[] toIntegerBytes(final BigInteger bigInt)

Coverts BigInteger to 64-byte array removing the sign byte if necessary.

Parameters
bigInt:BigInteger

BigInteger to be converted

Returns:byte[]

Byte array representation of the BigInteger parameter

toIntegerBytesback to summary
public static byte[] toIntegerBytes(final BigInteger bigInt, int bitlen)

Coverts BigInteger to 64-byte array but maintaining the length to bitlen as specified in rfc7518 for certain fields (X and Y parameter for EC keys).

Parameters
bigInt:BigInteger

BigInteger to be converted

bitlen:int

The bit length size of the integer (for example 521 for EC P-521)

Returns:byte[]

Byte array representation of the BigInteger parameter with length (bitlen + 7) / 8

Exceptions
IllegalStateException:
if the big integer is longer than bitlen