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22 lines
439 B
Go
22 lines
439 B
Go
package main
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import (
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"crypto/sha256"
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"encoding/binary"
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"fmt"
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)
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var notModifiedErr = newError(304, "Not modified", "Not modified")
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func calcETag(b []byte, po *processingOptions) string {
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footprint := sha256.Sum256(b)
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hash := sha256.New()
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hash.Write(footprint[:])
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hash.Write([]byte(version))
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binary.Write(hash, binary.LittleEndian, conf)
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binary.Write(hash, binary.LittleEndian, *po)
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return fmt.Sprintf("%x", hash.Sum(nil))
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}
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