Bouncy Castle Provider 1.77 · org.bouncycastle.pqc.crypto.ntruprime.Utils

Access	Constructor and Description
pack-priv	Utils()

Method Summary

Modifier and Type	Method and Description
pack-priv static int	bToUnsignedInt(byte b)
protected static void	checkForSmallPolynomial(byte[] r, byte[] ev, int p, int w)
private static int	checkLessThanZero(int x)
private static int	checkNotEqualToZero(int x)
protected static void	cryptoSort(int[] L, int p)
private static void	decode(short[] out, byte[] S, short[] M, int len, int start, int sIndex)
private static void	encode(byte[] out, short[] R, short[] M, int len, int start)
protected static void	expand(int[] L, byte[] k)
private static void	generateAES256CTRStream(byte[] in, byte[] out, byte[] nonce, byte[] key)
protected static void	generatePolynomialInRQFromSeed(short[] G, byte[] seed, int p, int q)
protected static void	getDecodedPolynomial(short[] h, byte[] enc, int p, int q)
protected static void	getDecodedSmallPolynomial(byte[] sp, byte[] encSP, int p)
protected static void	getEncodedInputs(byte[] out, byte[] in)
protected static void	getEncodedPolynomial(byte[] enc, short[] h, int p, int q)
protected static void	getEncodedSmallPolynomial(byte[] encSP, byte[] sp, int p)
protected static byte[]	getHashWithPrefix(byte[] prefix, byte[] hashInput)
protected static int	getInverseInRQ(int x, int q)
protected static int	getModFreeze(int x, int n)
protected static void	getOneThirdInverseInRQ(short[] finv3, byte[] f, int p, int q)
protected static void	getRandomInputs(SecureRandom random, byte[] r)
protected static void	getRandomShortPolynomial(SecureRandom random, byte[] f, int p, int w)
protected static void	getRandomSmallPolynomial(SecureRandom random, byte[] g)
protected static int	getRandomUnsignedInteger(SecureRandom random)
protected static void	getRoundedDecodedPolynomial(short[] h, byte[] enc, int p, int q)
protected static void	getRoundedEncodedPolynomial(byte[] out, short[] in, int p, int q)
private static int[]	getSignedDivMod(int x, int n)
protected static void	getTopDecodedPolynomial(byte[] out, byte[] in)
protected static void	getTopEncodedPolynomial(byte[] out, byte[] in)
private static int[]	getUnsignedDivMod(int dividend, int n)
private static int	getUnsignedMod(int x, int n)
protected static boolean	isInvertiblePolynomialInR3(byte[] g, byte[] ginv, int p)
pack-priv static long	iToUnsignedLong(int i)
protected static void	minmax(int[] L, int x, int y)
protected static void	multiplicationInR3(byte[] h, byte[] finv3, byte[] g, int p)
protected static void	multiplicationInRQ(short[] h, short[] finv3, byte[] g, int p, int q)
protected static void	right(byte[] out, short[] aB, byte[] T, int q, int w, int tau2, int tau3)
protected static void	roundPolynomial(short[] out, short[] in)
protected static void	scalarMultiplicationInRQ(short[] out, short[] in, int scalar, int q)
protected static void	sortGenerateShortPolynomial(byte[] f, int[] L, int p, int w)
pack-priv static int	sToUnsignedInt(short s)
pack-priv static int	toIntExact(long l)
protected static void	top(byte[] out, short[] bA, byte[] r, int q, int tau0, int tau1)
protected static void	transformRQToR3(byte[] out, short[] in)
protected static void	updateDiffMask(byte[] encR, byte[] rho, int mask)

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

Utils	back to summary
pack-priv Utils()

Method Detail

bToUnsignedInt	back to summary
pack-priv static int bToUnsignedInt(byte b)

checkForSmallPolynomial	back to summary
protected static void checkForSmallPolynomial(byte[] r, byte[] ev, int p, int w)

checkLessThanZero	back to summary
private static int checkLessThanZero(int x)

checkNotEqualToZero	back to summary
private static int checkNotEqualToZero(int x)

cryptoSort	back to summary
protected static void cryptoSort(int[] L, int p)

decode	back to summary
private static void decode(short[] out, byte[] S, short[] M, int len, int start, int sIndex)

encode	back to summary
private static void encode(byte[] out, short[] R, short[] M, int len, int start)

expand	back to summary
protected static void expand(int[] L, byte[] k)

generateAES256CTRStream	back to summary
private static void generateAES256CTRStream(byte[] in, byte[] out, byte[] nonce, byte[] key)

generatePolynomialInRQFromSeed	back to summary
protected static void generatePolynomialInRQFromSeed(short[] G, byte[] seed, int p, int q)

getDecodedPolynomial	back to summary
protected static void getDecodedPolynomial(short[] h, byte[] enc, int p, int q)

getDecodedSmallPolynomial	back to summary
protected static void getDecodedSmallPolynomial(byte[] sp, byte[] encSP, int p)

getEncodedInputs	back to summary
protected static void getEncodedInputs(byte[] out, byte[] in)

getEncodedPolynomial	back to summary
protected static void getEncodedPolynomial(byte[] enc, short[] h, int p, int q)

getEncodedSmallPolynomial	back to summary
protected static void getEncodedSmallPolynomial(byte[] encSP, byte[] sp, int p)

getHashWithPrefix	back to summary
protected static byte[] getHashWithPrefix(byte[] prefix, byte[] hashInput)

getInverseInRQ	back to summary
protected static int getInverseInRQ(int x, int q)

getModFreeze	back to summary
protected static int getModFreeze(int x, int n)

getOneThirdInverseInRQ	back to summary
protected static void getOneThirdInverseInRQ(short[] finv3, byte[] f, int p, int q)

getRandomInputs	back to summary
protected static void getRandomInputs(SecureRandom random, byte[] r)

getRandomShortPolynomial	back to summary
protected static void getRandomShortPolynomial(SecureRandom random, byte[] f, int p, int w)

getRandomSmallPolynomial	back to summary
protected static void getRandomSmallPolynomial(SecureRandom random, byte[] g)

getRandomUnsignedInteger	back to summary
protected static int getRandomUnsignedInteger(SecureRandom random)

getRoundedDecodedPolynomial	back to summary
protected static void getRoundedDecodedPolynomial(short[] h, byte[] enc, int p, int q)

getRoundedEncodedPolynomial	back to summary
protected static void getRoundedEncodedPolynomial(byte[] out, short[] in, int p, int q)

getSignedDivMod	back to summary
private static int[] getSignedDivMod(int x, int n)

getTopDecodedPolynomial	back to summary
protected static void getTopDecodedPolynomial(byte[] out, byte[] in)

getTopEncodedPolynomial	back to summary
protected static void getTopEncodedPolynomial(byte[] out, byte[] in)

getUnsignedDivMod	back to summary
private static int[] getUnsignedDivMod(int dividend, int n)

getUnsignedMod	back to summary
private static int getUnsignedMod(int x, int n)

isInvertiblePolynomialInR3	back to summary
protected static boolean isInvertiblePolynomialInR3(byte[] g, byte[] ginv, int p)

iToUnsignedLong	back to summary
pack-priv static long iToUnsignedLong(int i)

minmax	back to summary
protected static void minmax(int[] L, int x, int y)

multiplicationInR3	back to summary
protected static void multiplicationInR3(byte[] h, byte[] finv3, byte[] g, int p)

multiplicationInRQ	back to summary
protected static void multiplicationInRQ(short[] h, short[] finv3, byte[] g, int p, int q)

right	back to summary
protected static void right(byte[] out, short[] aB, byte[] T, int q, int w, int tau2, int tau3)

roundPolynomial	back to summary
protected static void roundPolynomial(short[] out, short[] in)

scalarMultiplicationInRQ	back to summary
protected static void scalarMultiplicationInRQ(short[] out, short[] in, int scalar, int q)

sortGenerateShortPolynomial	back to summary
protected static void sortGenerateShortPolynomial(byte[] f, int[] L, int p, int w)

sToUnsignedInt	back to summary
pack-priv static int sToUnsignedInt(short s)

toIntExact	back to summary
pack-priv static int toIntExact(long l)

top	back to summary
protected static void top(byte[] out, short[] bA, byte[] r, int q, int tau0, int tau1)

transformRQToR3	back to summary
protected static void transformRQToR3(byte[] out, short[] in)

updateDiffMask	back to summary
protected static void updateDiffMask(byte[] encR, byte[] rho, int mask)

pack-priv Class Utils

Constructor Summary

Method Summary

Constructor Detail

Method Detail