Abdelrahman Said
60 lines
2.1 KiB
C
60 lines
2.1 KiB
C
// vim:fileencoding=utf-8:foldmethod=marker
|
|
|
|
/**
|
|
* Implementations of the SipHash-2-4-128, SipHash4-8-128, SipHash-2-4-64 and SipHash4-8-64
|
|
* algorithms based on https://github.com/veorq/SipHash/blob/master/siphash.c
|
|
*/
|
|
|
|
#ifndef SIPHASH_H
|
|
#define SIPHASH_H
|
|
|
|
#include "hasher.h"
|
|
#include "../../stream/stream.h"
|
|
#include "../../../common/aliases/aliases.h"
|
|
#include "../../../common/platform/platform.h"
|
|
|
|
#ifdef WP_PLATFORM_CPP
|
|
BEGIN_C_LINKAGE
|
|
#endif // !WP_PLATFORM_CPP
|
|
|
|
#define WP_SIP_HASHER_MAGIC wpU64Const(0x5750534950485348)
|
|
|
|
typedef struct WpSipHasherKey {
|
|
u64 lo;
|
|
u64 hi;
|
|
} WpSipHasherKey;
|
|
|
|
typedef struct WpSipHasherData {
|
|
WpSipHasherKey key;
|
|
u64 magic;
|
|
u64 compression;
|
|
u64 finalisation;
|
|
} WpSipHasherData;
|
|
|
|
#ifdef WP_PLATFORM_CPP
|
|
#define wpSip24HasherData(KEY) (WpSipHasherData{(KEY), WP_SIP_HASHER_MAGIC, 2, 4})
|
|
#define wpSip48HasherData(KEY) (WpSipHasherData{(KEY), WP_SIP_HASHER_MAGIC, 4, 8})
|
|
#else
|
|
#define wpSip24HasherData(KEY) ((WpSipHasherData){ \
|
|
.key = (KEY), \
|
|
.magic = WP_SIP_HASHER_MAGIC, \
|
|
.compression = 2, \
|
|
.finalisation = 4, \
|
|
})
|
|
#define wpSip48HasherData(KEY) ((WpSipHasherData){ \
|
|
.key = (KEY), \
|
|
.magic = WP_SIP_HASHER_MAGIC, \
|
|
.compression = 4, \
|
|
.finalisation = 8, \
|
|
})
|
|
#endif
|
|
|
|
WpHasher wpSipHasher(WpSipHasherData *data);
|
|
WpU128Hash wpSipHasher128(WpU8Stream *bytes, void *hasher_io);
|
|
|
|
#ifdef WP_PLATFORM_CPP
|
|
END_C_LINKAGE
|
|
#endif // !WP_PLATFORM_CPP
|
|
|
|
#endif // !SIPHASH_H
|