23 lines
388 B
Go
23 lines
388 B
Go
package util
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import (
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"hash"
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"hash/crc32"
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)
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var (
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castagnoliTable = crc32.MakeTable(crc32.Castagnoli)
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)
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func CalculateCRC32(page []byte) uint32 {
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return crc32.Checksum(page, castagnoliTable)
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}
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func IsValidChecksum(page []byte, checksum uint32) bool {
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return crc32.Checksum(page, castagnoliTable) == checksum
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}
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func NewHasher() hash.Hash32 {
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return crc32.New(castagnoliTable)
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}
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