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23 lines
877 B
23 lines
877 B
package com.project.receivedemo.utils;
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import javax.crypto.Cipher;
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import javax.crypto.spec.IvParameterSpec;
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import javax.crypto.spec.SecretKeySpec;
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import java.util.Base64;
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public class SfDecryptUtil {
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private static final byte[] IV_BYTES = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
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public static byte[] decrypt(String encryptedData, String secretKey) throws Exception {
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// 顺丰推送的密文可能是 Base64 编码的字符串
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byte[] decode = Base64.getDecoder().decode(encryptedData);
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SecretKeySpec keySpec = new SecretKeySpec(secretKey.getBytes("UTF-8"), "AES");
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IvParameterSpec ivSpec = new IvParameterSpec(IV_BYTES);
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Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
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cipher.init(Cipher.DECRYPT_MODE, keySpec, ivSpec);
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return cipher.doFinal(decode);
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}
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}
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