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4ca6fb5448
- don't repeat config-db.php file path - add @is_readable, we might not have the proper permissions. - use 'require_once' instead of 'include', this file should only be included once and we should fail dramatically if we can't load it. - better documentation.
== YubiKey OTP Validation Server == The YubiKey Validation Server (YK-VAL) is a server that validates Yubikey One-Time Passwords (OTPs). YK-VAL is written in PHP, for use behind web servers such as Apache. General ------- The server implements the Yubico API protocol as defined in doc/ValidationProtocol* and further documentation is also available in the doc/ subdirectory. This server talks to a KSM service for decrypting the OTPs, to avoid storing any AES keys on the validation server. One implementation of this service is the https://developers.yubico.com/yubikey-ksm[YubiKey-KSM], and another implementation using the YubiHSM hardware is https://developers.yubico.com/python-pyhsm[PyHSM]. Note that version 1.x is a minimal centralized server. Version 2.x is a replicated system that uses multiple machines. License ------- The project is licensed under a BSD license. See the file COPYING for exact wording. For any copyright year range specified as YYYY-ZZZZ in this package note that the range specifies every single year in that closed interval.