SLAPD-PW-PBKDF2 - Online Linux Manual PageSection : 5
Updated : RELEASEDATE
Source : OpenLDAP LDVERSION

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NAMEslapd-pw-pbkdf2 − PBKDF2 password module to slapd

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SYNOPSISETCDIR/slapd.conf moduleload pw-pbkdf2

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DESCRIPTIONThe pw-pbkdf2 module to slapd(8) provides support for the use of the key stretching function PBKDF2 (Password-Based Key Derivation Function 2) following RFC 2898 in hashed passwords in OpenLDAP. It does so by providing the following additional password schemes for use in slapd: {PBKDF2}  alias to {PBKDF2-SHA1} {PBKDF2-SHA1}  PBKDF2 using HMAC-SHA-1 as the underlying pseudorandom function {PBKDF2-SHA256}  PBKDF2 using HMAC-SHA-256 as the underlying pseudorandom function {PBKDF2-SHA512}  PBKDF2 using HMAC-SHA-512 as the underlying pseudorandom function

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CONFIGURATIONThe pw-pbkdf2 module does not need any configuration. After loading the module, the password schemes {PBKDF2}, {PBKDF2-SHA1}, {PBKDF2-SHA256}, and {PBKDF2-SHA512} will be recognised in values of the userPassword attribute. You can then instruct OpenLDAP to use these schemes when processing the LDAPv3 Password Modify (RFC 3062) extended operations by using the password-hash option in slapd.conf(5).

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NOTESIf you want to use the schemes described here with slappasswd(8), remember to load the module using its command line options. The relevant option/value is: −o module−load=pw-pbkdf2 Depending on pw-pbkdf2's location, you may also need: −o module−path=pathspec

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EXAMPLESAll of the userPassword LDAP attributes below encode the password 'secret'. userPassword: {PBKDF2-SHA512}10000$/oQ4xZi382mk7kvCd3ZdkA$2wqjpuyV2l0U/a1QwoQPOtlQL.UcJGNACj1O24balruqQb/NgPW6OCvvrrJP8.SzA3/5iYvLnwWPzeX8IK/bEQ userPassword: {PBKDF2-SHA256}10000$jq40ImWtmpTE.aYDYV1GfQ$mpiL4ui02ACmYOAnCjp/MI1gQk50xLbZ54RZneU0fCg userPassword: {PBKDF2-SHA1}10000$QJTEclnXgh9Cz3ChCWpdAg$9.s98jwFJM.NXJK9ca/oJ5AyoAQTo make {PBKDF2-SHA512} the password hash used in Password Modify extended operations, simply set this line in slapd.conf(5): password-hash {PBKDF2-SHA512}

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SEE ALSO slapd.conf(5), ldappasswd(1), slappasswd(8), ldap(3), "OpenLDAP Administrator's Guide" (http://www.OpenLDAP.org/doc/admin/)

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ACKNOWLEDGEMENTSThis manual page has been written by Peter Marschall based on the module's README file written by HAMANO Tsukasa <hamano@osstech.co.jp> OpenLDAP is developed and maintained by The OpenLDAP Project (http://www.openldap.org/). OpenLDAP is derived from University of Michigan LDAP 3.3 Release. 0

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