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view util/hmac.lua @ 14177:67b68147ed1d 13.0

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util.ringbuffer: find(): Fix find logic bugs If the buffer was full, find() would return earlier (wpos == rpos). Checking blen is the better way to test if the buffer is empty. Secondly, the loop scanned for blen - l, but if l (length of needle) was larger than the buffer length, this calculation would underflow and cause a lot of spinning. New tests have been added to cover various edge cases of :find().
author Matthew Wild <mwild1@gmail.com>
date Mon, 25 May 2026 14:44:20 +0100
parents d10957394a3c
children
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-- Prosody IM
-- Copyright (C) 2008-2010 Matthew Wild
-- Copyright (C) 2008-2010 Waqas Hussain
--
-- This project is MIT/X11 licensed. Please see the
-- COPYING file in the source package for more information.
--

-- COMPAT: Only for external pre-0.9 modules

local hashes = require "prosody.util.hashes"

return {
	md5 = hashes.hmac_md5,
	sha1 = hashes.hmac_sha1,
	sha224 = hashes.hmac_sha224,
	sha256 = hashes.hmac_sha256,
	sha384 = hashes.hmac_sha384,
	sha512 = hashes.hmac_sha512,
	blake2s256 = hashes.hmac_blake2s256,
	blake2b512 = hashes.hmac_blake2b512,
};