44 lines
1.6 KiB
Java
44 lines
1.6 KiB
Java
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package com.cdzy.common.secure;
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import cn.hutool.crypto.BCUtil;
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import cn.hutool.crypto.asymmetric.KeyType;
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import org.bouncycastle.crypto.params.ECPrivateKeyParameters;
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import org.bouncycastle.crypto.params.ECPublicKeyParameters;
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import java.nio.charset.StandardCharsets;
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/**
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* SM2加解密组件
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* @author 李洪贵
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* @date 2025年03月17日 17:46
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*/
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public class SecureSM2Component implements SecureComponent {
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@Override
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public String encrypt(String originalText,String publicKey) {
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try {
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if (publicKey.length() == 130)
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publicKey = publicKey.substring(2);
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String xhex = publicKey.substring(0, 64);
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String yhex = publicKey.substring(64, 128);
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ECPublicKeyParameters ecPublicKeyParameters = BCUtil.toSm2Params(xhex, yhex);
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cn.hutool.crypto.asymmetric.SM2 sm2 = new cn.hutool.crypto.asymmetric.SM2(null, ecPublicKeyParameters);
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String encryptStr = sm2.encryptBcd(originalText, KeyType.PublicKey, StandardCharsets.UTF_8);
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return encryptStr;
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} catch (Exception e) {
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return null;
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}
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}
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@Override
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public String decrypt(String encryptedText, String privateKey) {
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try {
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ECPrivateKeyParameters privateKeyParameters = BCUtil.toSm2Params(privateKey);
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cn.hutool.crypto.asymmetric.SM2 sm2 = new cn.hutool.crypto.asymmetric.SM2(privateKeyParameters, null);
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String decryptStr = sm2.decryptStrFromBcd(encryptedText, KeyType.PrivateKey, StandardCharsets.UTF_8);
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return decryptStr;
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} catch (Exception e) {
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return null;
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}
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}
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}
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