[x500standard] Extension markers for attribute syntaxes
- From: "Erik Andersen" <era@xxxxxxx>
- To: "Directory list" <x500standard@xxxxxxxxxxxxx>, "SG17-Q11" <t09sg17q11@xxxxxxxxxxxxx>
- Date: Sat, 17 Dec 2011 10:16:13 +0100
I am getting concerned about extension markers in syntax data types. When
an attribute syntax is changed, the attribute type should have a new OID. In
addition, LDAP uses Augmented Backus-Naur Form (ABNF) for defining attribute
syntaxes, except for X.509 ones, where a binary encoding is used. ABNF does
not allow for extension markers. Adding new components to an X.500 attribute
syntax will cause discrepancy between the X.500 variant and the LDAP
variant.
Erik Andersen
Andersen's L-Service
Elsevej 48,
DK-3500 Vaerloese
Denmark
Mobile: +45 2097 1490
e-amail: era@xxxxxxx
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http://www.x500.eu/
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