getG().multiply(privateKey.getD()); byte[] publicDerBytes = Q.getEncoded(false); ECPoint point = ecSpec.getCurve().decodePoint(publicDerBytes); ECPublicKeySpec pubSpec = new ECPublicKeySpec(point, ecSpec); return (ECPublicKey) keyFactory.generatePublic(pubSpec); } ...
ECPublicKeySpec publicKey =newECPublicKeySpec(ecParameterSpec.getCurve().decodePoint(data), ecParameterSpec); KeyFactory kf = KeyFactory.getInstance("ECDH","BC");return(ECPublicKey) kf.generatePublic(publicKey); } 开发者ID:martinwithaar,项目名称:Encryptor4j,代码行数:18,代码来源:ECDHExportTest....
我正在为我的问题提供最后的解决方案，以防有人遇到同样的问题。感谢用户主席James和dave_thompson_085的...
BigIntegerprivateKeyValue=privateKey.getD(); // Ethereum does not use encoded public keys like bitcoin - see // https://en.bitcoin.it/wiki/Elliptic_Curve_Digital_Signature_Algorithm for details // Additionally, as the first bit is a constant prefix (0x04) we ignore this value byte[]publi...
kf = KeyFactory.getInstance(ECDH, BouncyCastleProvider.PROVIDER_NAME); }catch(finalNoSuchProviderException e) { kf = KeyFactory.getInstance(ECDH); }finalECNamedCurveSpec params =newECNamedCurveSpec(curveName.toString(), spec.getCurve(), spec.getG(), spec.getN());finalECPoint point = ECPoint...
s.signum() >= 0, "s must be positive"); check(messageHash != null, "messageHash must not be null"); // 1.0 For j from 0 to h (h == recId here and the loop is outside this // function) // 1.1 Let x = r + jn BigInteger n = CURVE.getN(); // Curve order. ...
addProvider(new BouncyCastleProvider()); KeyFactory keyf = KeyFactory.getInstance("EC"); PKCS8EncodedKeySpec priPKCS8 = new PKCS8EncodedKeySpec(Base64.decode(privateKeyPEM) ); BCECPrivateKey priKey = (BCECPrivateKey)keyf.generatePrivate(priPKCS8); return priKey.getD().toByteArray(...
KeyFactory kf = KeyFactory.getInstance("ECDH","BC");return(ECPublicKey) kf.generatePublic(publicKey); } 开发者ID:martinwithaar,项目名称:Encryptor4j,代码行数:18,代码来源:ECDHExportTest.java 示例6: generateECPublicKey ▲点赞 2▼ importorg.bouncycastle.asn1.x9.X9ECParameters;//导入方法依赖的pa...
decode(publicKey); KeyFactory keyFactory = KeyFactory.getInstance(ALGORITHM, PROVIDER); ECParameterSpec parameterSpec = ECNamedCurveTable.getParameterSpec(CURVE); ECCurve curve = parameterSpec.getCurve(); ECPoint point = curve.decodePoint(decodedPublicKey); ECPublicKeySpec pubSpec = new ECPublicKey...
KeyFactory kf = KeyFactory.getInstance("ECDH","BC");return(ECPublicKey) kf.generatePublic(publicKey); } 开发者ID:martinwithaar,项目名称:Encryptor4j,代码行数:18,代码来源:ECDHExportTest.java 示例10: generateECPublicKey ▲点赞 2▼ importorg.bouncycastle.asn1.x9.X9ECParameters;//导入方法依赖的...