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AK: Make SipHash not depend on size_t bit length

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That breaks on 32-bit systems, this commit makes it so they're always
stored in a u64 as the code requires.
This commit is contained in:
Ali Mohammad Pur 2023-10-27 01:57:42 +03:30 committed by Ali Mohammad Pur
parent 01feae24b2
commit 072c4eeb50
Notes: sideshowbarker 2024-07-17 06:54:15 +09:00 
Author: https://github.com/alimpfard
Commit: https://github.com/SerenityOS/serenity/commit/072c4eeb50
Pull-request: https://github.com/SerenityOS/serenity/pull/21592
Reviewed-by: https://github.com/ADKaster ✅
Reviewed-by: https://github.com/DanShaders
1 changed files with 4 additions and 3 deletions
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7
AK/SipHash.cpp
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@ -52,10 +52,11 @@ static void do_siphash(ReadonlyBytes input, u128 key, Bytes output)
u64 v1 = 0x646f72616e646f6dull;
u64 v2 = 0x6c7967656e657261ull;
u64 v3 = 0x7465646279746573ull;
auto const left = input.size() & 7;
u64 const length = input.size();
auto const left = length & 7;
// The end of 64-bit blocks.
auto const block_end = input.size() - (input.size() % sizeof(u64));
u64 b = input.size() << 56;
auto const block_end = length - (length % sizeof(u64));
u64 b = length << 56;
v3 ^= key.high();
v2 ^= key.low();
v1 ^= key.high();