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moby--moby/libnetwork/resolvconf/utils.go
Sebastiaan van Stijn 572498be56
move pkg/ioutils.HashData() to libnetwork/resolvconf
It's the only location it's used, so we might as well move it there.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2021-08-20 00:35:39 +02:00

16 lines
302 B
Go

package resolvconf
import (
"crypto/sha256"
"encoding/hex"
"io"
)
// hashData returns the sha256 sum of src.
func hashData(src io.Reader) (string, error) {
h := sha256.New()
if _, err := io.Copy(h, src); err != nil {
return "", err
}
return "sha256:" + hex.EncodeToString(h.Sum(nil)), nil
}