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Users: $wgHKDFAlgorithm
Algorithm for HMAC-based key derivation function (fast, cryptographically secure random numbers).
Introduced in version:1.24.0
Removed in version:still in use
Allowed values:(string)
Default value:sha256


The algorithm must be one of those enumerated by the function hash_algos(): depending on the PHP version, it can be: MD5, SHA-1, SHA-2, Whirlpool, RIPEMD, HAVAL, Tiger, Snefru...