package jnpf.yozo.utils;
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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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import java.security.InvalidKeyException;
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import java.security.NoSuchAlgorithmException;
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public class SecretSignatureUtils {
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public static final String SHA256 = "HmacSHA256";
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public SecretSignatureUtils() {
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}
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public static String hmacSHA256(String data, String key) throws NoSuchAlgorithmException, InvalidKeyException {
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Mac mac = Mac.getInstance(SHA256);
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SecretKeySpec secretKey = new SecretKeySpec(key.getBytes(StandardCharsets.UTF_8), SHA256);
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mac.init(secretKey);
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byte[] array = mac.doFinal(data.getBytes(StandardCharsets.UTF_8));
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StringBuilder sb = new StringBuilder();
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for (byte item : array) {
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sb.append(Integer.toHexString(item & 255 | 256), 1, 3);
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}
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return sb.toString().toUpperCase();
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}
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}
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