public AppAuthData obtainAuthData(final String appKey) {
        return AUTH_MAP.get(appKey);
    }
Obtain auth data app auth data.

@param appKey the app key
@return the app auth data
shenyu-plugin/shenyu-plugin-security/shenyu-plugin-sign/src/main/java/org/apache/shenyu/plugin/sign/cache/SignAuthDataCache.java