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lib/protocol: Use sha256.Sum256 in NewDeviceID (#6775)

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This is shorter, skips two allocations, makes the function inlineable
and is safer, since the compiler now check whether
DeviceIDLength == sha256.Size.
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greatroar 2020-06-21 20:38:06 +02:00 committed by GitHub
parent d985aa9e4b
commit dc145bfad7
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1 changed files with 1 additions and 5 deletions
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6
lib/protocol/deviceid.go
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@ -33,11 +33,7 @@ func repeatedDeviceID(v byte) (d DeviceID) {
// NewDeviceID generates a new device ID from the raw bytes of a certificate
func NewDeviceID(rawCert []byte) DeviceID {
var n DeviceID
hf := sha256.New()
hf.Write(rawCert)
hf.Sum(n[:0])
return n
return DeviceID(sha256.Sum256(rawCert))
}
func DeviceIDFromString(s string) (DeviceID, error) {