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AK: Use secure SipHash-4-8 for IP addresses

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Routing tables formed with IP address hashes should be DoS-resistant.
This commit is contained in:
kleines Filmröllchen 2023-09-21 12:22:05 +02:00 • committed by Ali Mohammad Pur
parent 9a026fc8d5
commit 4cefb02324
2 changed files with 4 additions and 13 deletions
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3
AK/IPv4Address.h
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@ -9,6 +9,7 @@
#include <AK/Endian.h>
#include <AK/Format.h>
#include <AK/Optional.h>
#include <AK/SipHash.h>
#include <AK/StringView.h>
#include <AK/Vector.h>
@ -162,7 +163,7 @@ static_assert(sizeof(IPv4Address) == 4);
template<>
struct Traits<IPv4Address> : public GenericTraits<IPv4Address> {
static constexpr unsigned hash(IPv4Address const& address) { return int_hash(address.to_u32()); }
static unsigned hash(IPv4Address const& address) { return secure_sip_hash(static_cast<u64>(address.to_u32())); }
};
#ifdef KERNEL