in src/main/java/org/apache/sling/auth/form/impl/FormAuthenticationHandler.java [507:521]
private String getCookieAuthData(final AuthenticationInfo info) {
String authData = null;
if (jaasHelper.enabled()) {
Object credentials = info.get(JcrResourceConstants.AUTHENTICATION_INFO_CREDENTIALS);
if (credentials instanceof Credentials) {
authData = getCookieAuthData((Credentials)credentials);
}
} else {
Object data = info.get(attrCookieAuthData);
if (data instanceof String) {
authData = (String) data;
}
}
return authData;
}