OpenJDK 27 · sun.security.util.ECUtil · APIdia, the JavaDoc alternative

Access	Constructor and Description
private	ECUtil()

Method Summary

Modifier and Type	Method and Description
public static ECPrivateKey	Returns: the private key that was evaluated. checkPrivateKey(ECPrivateKey the private key to be checked. prv) Check an ECPrivateKey to make sure the scalar value is within the range of the order [1, n-1].
public static ECPrivateKey	decodePKCS8ECPrivateKey(byte[] encoded)
public static ECPoint	decodePoint(byte[] data, EllipticCurve curve)
public static byte[]	decodeSignature(byte[] sig)
public static ECPublicKey	decodeX509ECPublicKey(byte[] encoded)
public static byte[]	encodeECParameterSpec(ECParameterSpec spec)
public static byte[]	encodePoint(ECPoint point, EllipticCurve curve)
public static byte[]	encodeSignature(byte[] signature)
public static boolean	equals(ECParameterSpec spec1, ECParameterSpec spec2)
public static ECPrivateKey	generateECPrivateKey(BigInteger s, ECParameterSpec params)
public static String	getCurveName(ECParameterSpec spec)
public static AlgorithmParameters	getECParameters()
public static ECParameterSpec	getECParameterSpec(ECParameterSpec spec)
public static ECParameterSpec	getECParameterSpec(byte[] params)
public static ECParameterSpec	getECParameterSpec(String name)
public static ECParameterSpec	getECParameterSpec(int keySize)
private static KeyFactory	getKeyFactory()
public static byte[]	sArray(BigInteger s, ECParameterSpec params)
public static byte[]	trimZeroes(byte[] b)
public static void	validatePublicKey(ECPoint point, ECParameterSpec spec)
public static byte[]	x509EncodeECPublicKey(ECPoint w, ECParameterSpec params)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

ECUtil	back to summary
private ECUtil()

checkPrivateKey	back to summary
public static ECPrivateKey checkPrivateKey(ECPrivateKey prv) throws InvalidKeyException Check an ECPrivateKey to make sure the scalar value is within the range of the order [1, n-1]. Parameters prv:ECPrivateKey the private key to be checked. Returns:ECPrivateKey the private key that was evaluated. Exceptions InvalidKeyException: if the key's scalar value is not within the range 1 <= x < n where n is the order of the generator.

checkPrivateKey

public static ECPrivateKey checkPrivateKey(ECPrivateKey prv) throws InvalidKeyException

Check an ECPrivateKey to make sure the scalar value is within the range of the order [1, n-1].

Parameters

the private key that was evaluated.

Exceptions

InvalidKeyException:: if the key's scalar value is not within the range 1 <= x < n where n is the order of the generator.

decodePKCS8ECPrivateKey	back to summary
public static ECPrivateKey decodePKCS8ECPrivateKey(byte[] encoded) throws InvalidKeySpecException

decodePoint	back to summary
public static ECPoint decodePoint(byte[] data, EllipticCurve curve) throws IOException

decodeSignature	back to summary
public static byte[] decodeSignature(byte[] sig) throws SignatureException

decodeX509ECPublicKey	back to summary
public static ECPublicKey decodeX509ECPublicKey(byte[] encoded) throws InvalidKeySpecException

encodeECParameterSpec	back to summary
public static byte[] encodeECParameterSpec(ECParameterSpec spec)

encodePoint	back to summary
public static byte[] encodePoint(ECPoint point, EllipticCurve curve)

encodeSignature	back to summary
public static byte[] encodeSignature(byte[] signature) throws SignatureException

equals	back to summary
public static boolean equals(ECParameterSpec spec1, ECParameterSpec spec2)

generateECPrivateKey	back to summary
public static ECPrivateKey generateECPrivateKey(BigInteger s, ECParameterSpec params) throws InvalidKeySpecException

getCurveName	back to summary
public static String getCurveName(ECParameterSpec spec)

getECParameters	back to summary
public static AlgorithmParameters getECParameters()

getECParameterSpec	back to summary
public static ECParameterSpec getECParameterSpec(ECParameterSpec spec)

getECParameterSpec	back to summary
public static ECParameterSpec getECParameterSpec(byte[] params) throws IOException

getECParameterSpec	back to summary
public static ECParameterSpec getECParameterSpec(String name)

getECParameterSpec	back to summary
public static ECParameterSpec getECParameterSpec(int keySize)

getKeyFactory	back to summary
private static KeyFactory getKeyFactory()

sArray	back to summary
public static byte[] sArray(BigInteger s, ECParameterSpec params)

trimZeroes	back to summary
public static byte[] trimZeroes(byte[] b)

validatePublicKey	back to summary
public static void validatePublicKey(ECPoint point, ECParameterSpec spec) throws InvalidKeyException

x509EncodeECPublicKey	back to summary
public static byte[] x509EncodeECPublicKey(ECPoint w, ECParameterSpec params) throws InvalidKeySpecException