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Update hasher data to context
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Abdelrahman Said committed 2026-09-22 21:47:46 +01:00
1 parent 17be4841e6
commit 9881c0ac9a
6 files changed
+62 -62
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src/base/hash/hasher/siphash.c
+14 -14
View File
@@ -6,9 +6,9 @@
#include "../../../common/assert/assert.h"
#include "../../../common/misc/misc_utils.h"
wp_intern inline void siphash(WpStream *bytes, const WpSipHasherData *params, u8 *out, u64 outlen);
wp_intern inline void validateSipHasherData(const WpSipHasherData *io);
wp_intern inline b8 checkRounds(const WpSipHasherData *params);
wp_intern inline void siphash(WpStream *bytes, const WpSipHasherCtx *params, u8 *out, u64 outlen);
wp_intern inline void validateSipHasherCtx(const WpSipHasherCtx *io);
wp_intern inline b8 checkRounds(const WpSipHasherCtx *params);
#define _u32To8LE(p, v) \
(p)[0] = (u8)((v)); \
@@ -44,13 +44,13 @@ wp_intern inline b8 checkRounds(const WpSipHasherData *params);
v2 = wpMiscUtilsRotl64(v2, 32); \
} while (0)
WpHasher wpSipHasher(WpSipHasherData *data) {
WpHasher wpSipHasher(WpSipHasherCtx *data) {
return (WpHasher){ .func = wpSipHasher128, .data = (void *)data };
}
WpU128Hash wpSipHasher128(WpStream *bytes, void *hasher_data) {
WpSipHasherData *data = (WpSipHasherData *)hasher_data;
validateSipHasherData(data);
WpSipHasherCtx *data = (WpSipHasherCtx *)hasher_data;
validateSipHasherCtx(data);
WpU128Hash output = {0};
siphash(bytes, data, (u8 *)&output.hash, sizeof(u64) * 2);
return output;
@@ -59,7 +59,7 @@ WpU128Hash wpSipHasher128(WpStream *bytes, void *hasher_data) {
/**
* Implementation of the 128-variant of the siphash algorithm
*/
wp_intern inline void siphash(WpStream *bytes, const WpSipHasherData *params, u8 *out,
wp_intern inline void siphash(WpStream *bytes, const WpSipHasherCtx *params, u8 *out,
u64 outlen) {
const u8 *kk = (const u8 *)&params->key;
u64 inlen = bytes->count * bytes->item_size;
@@ -150,14 +150,14 @@ wp_intern inline void siphash(WpStream *bytes, const WpSipHasherData *params, u8
_u64To8LE(out + 8, b);
}
wp_intern inline void validateSipHasherData(const WpSipHasherData *data) {
b8 magic_match = data->magic == WP_SIP_HASHER_MAGIC;
b8 rounds = checkRounds(data);
wpRuntimeAssert(magic_match && rounds, "Invalid Siphash data");
wp_intern inline void validateSipHasherCtx(const WpSipHasherCtx *ctx) {
b8 magic_match = ctx->magic == WP_SIP_HASHER_MAGIC;
b8 rounds = checkRounds(ctx);
wpRuntimeAssert(magic_match && rounds, "Invalid Siphash context");
}
wp_intern inline b8 checkRounds(const WpSipHasherData *data) {
b8 rounds24 = data->compression == 2 && data->finalisation == 4;
b8 rounds48 = data->compression == 4 && data->finalisation == 8;
wp_intern inline b8 checkRounds(const WpSipHasherCtx *ctx) {
b8 rounds24 = ctx->compression == 2 && ctx->finalisation == 4;
b8 rounds48 = ctx->compression == 4 && ctx->finalisation == 8;
return rounds24 || rounds48;
}