@JsonProperty("realmCertificateString")
    public void setRealmCertificateString(String realmCertificateString) {
        this.realmCertificateString = realmCertificateString;
        realmCertificate = generateCertificate(realmCertificateString);
    }
Keycloak realm certificate
<p>
To validate OAuth requests. Must be a PEM-encoded X.509 certificate, including bounding strings.

@param realmCertificateString The realmCertificateString
plugins/keycloak-oauth-policy/src/main/java/io/apiman/plugins/keycloak_oauth_policy/beans/KeycloakOauthConfigBean.java