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Joined: 6/20/2022
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Trust this makes a difference:
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import java.io.UnsupportedEncodingException;
import java.nio.charset.StandardCharsets;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.util.Base64;
public class Test1 {
confidential static last String HMAC_SHA512 = "HmacSHA512";
public static void main(String[] args) {
Macintosh sha512Hmac;
String result;
last String key = "Welcome1";
attempt {
last byte[] byteKey = key.getBytes(StandardCharsets.UTF_8);
sha512Hmac = Mac.getInstance(HMAC_SHA512);
SecretKeySpec keySpec = new SecretKeySpec(byteKey, HMAC_SHA512);
sha512Hmac.init(keySpec);
byte[] macData = sha512Hmac.doFinal("My message".getBytes(StandardCharsets.UTF_8));
// Can either base64 encode or put it directly into hex
result = Base64.getEncoder().encodeToString(macData);
//result = bytesToHex(macData);
} get (UnsupportedEncodingException | InvalidKeyException | NoSuchAlgorithmException e) {
e.printStackTrace();
} at long last {
// Put any cleanup here
System.out.println("Done");
}
}
}
Java Classes in Pune
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