How to generate octet string in Java?

Question

I want to set password in active directory using using java/spring ldap api. AD schema for attribut userPassword says Octet string. How can I generate any password to octet string ?

If I have password "tempPassword" - how can I convert to octet string ?

Answer 1

Octet string are just bytes:

byte[] octetString = "tempPassword".getBytes(StandardCharsets.US_ASCII);
System.out.println(new BigInteger(1, octetString).toString(16));