@Test public void success_GeneratePublicKeySeed_via_SHA_512_from_byte_array_2() { byte[] input = new byte[]{10, -1, 12, 3, 24, 5, 62, 7, 82, 9, 17, 111, 62, -83, 14, 25, 123, 17, 18, -19, 20, 1, -22, 63, 24, -75, 26, 77, 28, 9, 30, 71}; String str = HexEncoder.getString(input); assertThat(str, is("0aff0c0318053e075209116f3ead0e197b1112ed1401ea3f18b51a4d1c091e47")); assertThat(HexEncoder.getBytes(str), is(input)); PrivateKey privateKey = PrivateKeyEd25519.fromBytes(input); PublicKeyDelegate delegate1 = new Ed25519PublicKeyDelegate(HashAlgorithm.SHA_512); byte[] seed = delegate1.generatePublicKeySeed(privateKey); assertThat(HexEncoder.getString(seed), is("6caba0ffd7da15129b9aaeb3021c4a6612f6ad3099ea3d90993a60f585243b23")); }
@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);  }