31 lines
1.2 KiB
Java
31 lines
1.2 KiB
Java
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package com.example.studyapp.update;
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import javax.crypto.Mac;
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import javax.crypto.spec.SecretKeySpec;
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import java.nio.charset.StandardCharsets;
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public class ArmCloudSignatureV2 {
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public static final String ALGORITHM = "HmacSHA256";
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public static final String SECRET_KEY = "gz8f1u0t63byzdu6ozbx8r5qs3e5lipt";
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public static final String SECRET_ID = "3yc8c8bg1dym0zaiwjh867al";
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public static String calculateSignature(String timestamp, String path, String body) throws Exception {
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String stringToSign = timestamp + path + (body != null ? body : "");
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Mac hmacSha256 = Mac.getInstance(ALGORITHM);
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SecretKeySpec secretKeySpec = new SecretKeySpec(SECRET_ID.getBytes(StandardCharsets.UTF_8), ALGORITHM);
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hmacSha256.init(secretKeySpec);
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byte[] hash = hmacSha256.doFinal(stringToSign.getBytes(StandardCharsets.UTF_8));
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return bytesToHex(hash);
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}
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private static String bytesToHex(byte[] bytes) {
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StringBuilder hexString = new StringBuilder();
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for (byte b : bytes) {
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String hex = Integer.toHexString(0xff & b);
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if (hex.length() == 1) hexString.append('0');
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hexString.append(hex);
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}
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return hexString.toString();
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}
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}
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