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76 lines
1.5 KiB
C
76 lines
1.5 KiB
C
/**
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* Jingga
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*
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* @copyright Jingga
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* @license OMS License 2.0
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* @version 1.0.0
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* @link https://jingga.app
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*/
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#ifndef TOS_HASH_CRC_H
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#define TOS_HASH_CRC_H
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#include "../stdlib/Types.h"
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#include "../architecture/Intrinsics.h"
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inline
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uint32 crc32_software_u8(const byte* data, size_t length) {
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uint32 crc = 0xFFFFFFFF;
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// Standard CRC-32 polynomial
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uint32 polynomial = 0xEDB88320;
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for (size_t i = 0; i < length; ++i) {
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crc ^= data[i];
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for (byte bit = 0; bit < 8; ++bit) {
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crc = (crc >> 1);
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if (crc & 1) {
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crc ^= polynomial;
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}
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}
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}
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return crc;
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}
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inline
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uint32 crc32_intrin_u8(const byte* data, size_t length) {
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uint32 crc = 0xFFFFFFFF;
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for (size_t i = 0; i < length; ++i) {
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crc = intrin_crc32_u8(crc, data[i]);
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}
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return crc;
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}
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inline
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uint32 crc32_intrin_u16(const uint16* data, size_t length) {
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uint32 crc = 0xFFFFFFFF;
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for (size_t i = 0; i < length; ++i) {
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crc = intrin_crc32_u16(crc, data[i]);
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}
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return crc;
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}
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inline
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uint32 crc32_intrin_u32(const uint32* data, size_t length) {
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uint32 crc = 0xFFFFFFFF;
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for (size_t i = 0; i < length; ++i) {
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crc = intrin_crc32_u32(crc, data[i]);
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}
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return crc;
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}
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inline
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uint32 crc32_intrin_u64(const uint64* data, size_t length) {
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uint64 crc = 0xFFFFFFFF;
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for (size_t i = 0; i < length; ++i) {
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crc = intrin_crc32_u64(crc, data[i]);
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}
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return crc;
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}
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#endif |