The provides a mechanism for encoding user
passwords using an unsalted form of the SHA-1 message digest algorithm.
This implementation contains only an implementation for the user password
syntax, with a storage scheme name of "SHA".
1.3.6.1.4.1.26027.1.2.147
ds-cfg-sha1-password-storage-scheme
ds-cfg-password-storage-scheme
org.opends.server.extensions.SHA1PasswordStorageScheme