in src/main/java/org/apache/sling/cassandra/resource/provider/security/AccessControlUtil.java [217:221]
private String getrowID(String path) throws NoSuchAlgorithmException, UnsupportedEncodingException {
MessageDigest md = MessageDigest.getInstance("SHA1");
String rowID = new String(Base64.encodeBase64(md.digest(CassandraResourceProviderUtil.getRemainingPath(path) != null?CassandraResourceProviderUtil.getRemainingPath(path).getBytes("UTF-8"):"TEST".getBytes())));
return rowID;
}