本文整理汇总了Java中org.spongycastle.jce.spec.ECPublicKeySpec类的典型用法代码示例。如果您正苦于以下问题:Java ECPublicKeySpec类的具体用法?Java ECPublicKeySpec怎么用?Java ECPublicKeySpec使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
ECPublicKeySpec类属于org.spongycastle.jce.spec包,在下文中一共展示了ECPublicKeySpec类的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: isSignatureValid
import org.spongycastle.jce.spec.ECPublicKeySpec; //导入依赖的package包/类
@Override
public boolean isSignatureValid(byte[] data, byte[] signature, Pubkey pubkey) {
try {
ECParameterSpec spec = new ECParameterSpec(
EC_CURVE_PARAMETERS.getCurve(),
EC_CURVE_PARAMETERS.getG(),
EC_CURVE_PARAMETERS.getN(),
EC_CURVE_PARAMETERS.getH(),
EC_CURVE_PARAMETERS.getSeed()
);
ECPoint Q = keyToPoint(pubkey.getSigningKey());
KeySpec keySpec = new ECPublicKeySpec(Q, spec);
PublicKey publicKey = KeyFactory.getInstance(ALGORITHM_ECDSA, provider).generatePublic(keySpec);
Signature sig = Signature.getInstance(ALGORITHM_ECDSA, provider);
sig.initVerify(publicKey);
sig.update(data);
return sig.verify(signature);
} catch (GeneralSecurityException e) {
throw new ApplicationException(e);
}
}
示例2: loadPublicKey
import org.spongycastle.jce.spec.ECPublicKeySpec; //导入依赖的package包/类
private PublicKey loadPublicKey(byte[] data) throws InvalidKeySpecException {
ECPublicKeySpec pubKey = new ECPublicKeySpec(params.getCurve().decodePoint(data), params);
return kf.generatePublic(pubKey);
}