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kbcmf_dec.go
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/
kbcmf_dec.go
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// Copyright 2015 Keybase, Inc. All rights reserved. Use of
// this source code is governed by the included BSD license.
package libkb
import (
"io"
"github.com/keybase/client/go/kbcmf"
)
func KBCMFDecrypt(
source io.Reader, sink io.WriteCloser,
deviceEncryptionKey NaclDHKeyPair) error {
plainsource, frame, err := kbcmf.NewDearmor62DecryptStream(
source, naclKeyring(deviceEncryptionKey))
if err != nil {
return err
}
n, err := io.Copy(sink, plainsource)
if err != nil {
return err
}
// TODO: Check header inline, and only warn if the footer
// doesn't match.
err = kbcmf.CheckArmor62Frame(frame)
if err != nil {
return err
}
G.Log.Debug("Decrypt: read %d bytes", n)
if err := sink.Close(); err != nil {
return err
}
return nil
}