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22 lines
322 B
Go
22 lines
322 B
Go
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package storage
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import (
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"hash/crc32"
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)
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var table = crc32.MakeTable(crc32.Castagnoli)
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type CRC uint32
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func NewCRC(b []byte) CRC {
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return CRC(0).Update(b)
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}
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func (c CRC) Update(b []byte) CRC {
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return CRC(crc32.Update(uint32(c), table, b))
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}
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func (c CRC) Value() uint32 {
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return uint32(c>>15|c<<17) + 0xa282ead8
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}
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