mirror of https://gitee.com/y_project/RuoYi.git
16 lines
569 B
Java
16 lines
569 B
Java
package com.ruoyi.system.util;
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import java.security.KeyFactory;
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import java.security.PublicKey;
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import java.security.spec.X509EncodedKeySpec;
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import java.util.Base64;
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public class KeyUtils {
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public static PublicKey getPublicKeyFromBase64String(String publicKeyString) throws Exception {
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byte[] publicKeyBytes = Base64.getDecoder().decode(publicKeyString);
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X509EncodedKeySpec keySpec = new X509EncodedKeySpec(publicKeyBytes);
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KeyFactory keyFactory = KeyFactory.getInstance("RSA");
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return keyFactory.generatePublic(keySpec);
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}
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}
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