Package score.impl.bls12381

Class BLS12381

java.lang.Object

score.impl.bls12381.BLS12381

public class BLS12381
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field	Description
static int	G1_LEN
static int	G2_LEN

Constructor Summary

Constructors

Constructor	Description
BLS12381()

Method Summary

Modifier and Type	Method	Description
static byte[]	aggregateG1Values(byte[] prevAgg, byte[] values)	Returns aggregation of prevAgg and values.
static byte[]	g1Add(byte[] data, boolean compressed)
static byte[]	g1ScalarMul(byte[] scalarBytes, byte[] data, boolean compressed)
static byte[]	g2Add(byte[] data, boolean compressed)
static byte[]	g2ScalarMul(byte[] scalarBytes, byte[] data, boolean compressed)
static supranational.blst.P1	identity()
static boolean	pairingCheck(byte[] data, boolean compressed)
static boolean	verifyG2Signature(byte[] pubKey, byte[] sig, byte[] msg)

Methods inherited from class java.lang.Object

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

Field Detail

G1_LEN

public static final int G1_LEN

See Also:

Constant Field Values

G2_LEN

public static final int G2_LEN

See Also:

Constant Field Values

Constructor Detail

BLS12381

public BLS12381()

Method Detail

identity

public static supranational.blst.P1 identity()

aggregateG1Values

public static byte[] aggregateG1Values(byte[] prevAgg,
                                       byte[] values)

Returns aggregation of prevAgg and values.

Parameters:

prevAgg - previous aggregation. null if there is no previous aggregation.

values - values to be aggregated.

Returns:

aggregated value.

verifyG2Signature

public static boolean verifyG2Signature(byte[] pubKey,
                                        byte[] sig,
                                        byte[] msg)

g1Add

public static byte[] g1Add(byte[] data,
                           boolean compressed)

g2Add

public static byte[] g2Add(byte[] data,
                           boolean compressed)

g1ScalarMul

public static byte[] g1ScalarMul(byte[] scalarBytes,
                                 byte[] data,
                                 boolean compressed)

g2ScalarMul

public static byte[] g2ScalarMul(byte[] scalarBytes,
                                 byte[] data,
                                 boolean compressed)

pairingCheck

public static boolean pairingCheck(byte[] data,
                                   boolean compressed)