RDcNqjk0

1try {
2            JsonObject header = new JsonObject();
3            header.addProperty("alg", "HS256");
4            header.addProperty("typ", "JWT");
5
6            JsonObject playload = new JsonObject();
7            playload.addProperty("iss", "pond");
8            playload.addProperty("sub", "pond");
9
10            String headerEncode = Base64.encodeToString(header.toString().getBytes(), Base64.URL_SAFE);
11            String playloadEncode = Base64.encodeToString(playload.toString().getBytes(), Base64.URL_SAFE);
12            
13            String message = headerEncode + "." + playloadEncode;
14
15            Mac sha256_HMAC = Mac.getInstance("HmacSHA256");
16            SecretKeySpec secret_key = new SecretKeySpec("secret".getBytes(), "HmacSHA256");
17            sha256_HMAC.init(secret_key);
18
19            String hash = Base64.encodeToString(sha256_HMAC.doFinal(message.getBytes()), Base64.URL_SAFE);
20
21            String token = message + "." + hash;
22
23            System.out.println(token.replaceAll("\n", ""));
24            return token.replaceAll("\n", "");
25        } catch (Exception e) {
26            e.printStackTrace();
27        }