@Test public void success_GeneratePublicKeySeed_via_SHA_512_from_hex_string_2() { PrivateKey privateKey = PrivateKeyEd25519.fromHexString("ab9d6ed9642b1a34c9938cc2a4123f0594e5341a45134c693bcc5934df0ba4c7"); PublicKeyDelegate delegate1 = new Ed25519PublicKeyDelegate(HashAlgorithm.SHA_512); byte[] seed = delegate1.generatePublicKeySeed(privateKey); assertThat(HexEncoder.getString(seed), is("5ff5d819b2a0b07ba2db275331def8fd32fb0b463a17e798a9aa87dc6245f079")); }
@Override public byte[] generatePublicKeySeed(PrivateKey privateKey) { if (!(privateKey instanceof PrivateKeyEd25519)) { throw new IllegalArgumentException("Public key on Curve25519 must be " + CURVE.getPublicKeyByteLength() + " byte length. Length: " + privateKey.getRaw().length); } BigInteger s = privateKey.getScalarSeed(this); Point point = CURVE.getBasePoint().scalarMultiply(s); return point.encode().getValue(); }
Ed25519PublicKeyDelegate implements PublicKeyDelegate { @Override public byte[] generatePublicKeySeed(PrivateKey privateKey) { if (!(privateKey instanceof PrivateKeyEd25519)) { throw new IllegalArgumentException("Public key on Curve25519 must be " + CURVE.getPublicKeyByteLength() + " byte length. Length: " + privateKey.getRaw().length); } BigInteger s = privateKey.getScalarSeed(this); Point point = CURVE.getBasePoint().scalarMultiply(s); return point.encode().getValue(); } }
Ed25519PublicKeyDelegate implements PublicKeyDelegate { @Override public byte[] generatePublicKeySeed(PrivateKey privateKey) { if (!(privateKey instanceof PrivateKeyEd25519)) { throw new IllegalArgumentException("Public key on Curve25519 must be " + CURVE.getPublicKeyByteLength() + " byte length. Length: " + privateKey.getRaw().length); } BigInteger s = privateKey.getScalarSeed(this); Point point = CURVE.getBasePoint().scalarMultiply(s); return point.encode().getValue(); } Ed25519PublicKeyDelegate(HashAlgorithm hashAlgorithm); }
Ed25519PublicKeyDelegate implements PublicKeyDelegate { @Override public byte[] generatePublicKeySeed(PrivateKey privateKey) { if (!(privateKey instanceof PrivateKeyEd25519)) { throw new IllegalArgumentException("Public key on Curve25519 must be " + CURVE.getPublicKeyByteLength() + " byte length. Length: " + privateKey.getRaw().length); } BigInteger s = privateKey.getScalarSeed(this); Point point = CURVE.getBasePoint().scalarMultiply(s); return point.encode().getValue(); } Ed25519PublicKeyDelegate(HashAlgorithm hashAlgorithm); @Override byte[] generatePublicKeySeed(PrivateKey privateKey); @Override byte[] hashPrivateKey(PrivateKey privateKey); }
Ed25519PublicKeyDelegate implements PublicKeyDelegate { @Override public byte[] generatePublicKeySeed(PrivateKey privateKey) { if (!(privateKey instanceof PrivateKeyEd25519)) { throw new IllegalArgumentException("Public key on Curve25519 must be " + CURVE.getPublicKeyByteLength() + " byte length. Length: " + privateKey.getRaw().length); } BigInteger s = privateKey.getScalarSeed(this); Point point = CURVE.getBasePoint().scalarMultiply(s); return point.encode().getValue(); } Ed25519PublicKeyDelegate(HashAlgorithm hashAlgorithm); @Override byte[] generatePublicKeySeed(PrivateKey privateKey); @Override byte[] hashPrivateKey(PrivateKey privateKey);  }