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fscrypt: Fetch passphrase when keyFn is invoked not created

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Fetch password when keyFn is invoked, not when it is created. This
allows creation of the keyFn before actually creating the passphrase.

Signed-off-by: Marcel Lauhoff <marcel.lauhoff@suse.com>
This commit is contained in:
Marcel Lauhoff 2022-07-19 16:57:26 +02:00 committed by mergify[bot]
parent a6a4282493
commit dd0e1988c0
1 changed files with 6 additions and 6 deletions
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12
internal/util/fscrypt/fscrypt.go
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@ -85,13 +85,13 @@ func createKeyFuncFromVolumeEncryption(
encryption util.VolumeEncryption,
volID string,
) (func(fscryptactions.ProtectorInfo, bool) (*fscryptcrypto.Key, error), error) {
passphrase, err := getPassphrase(ctx, encryption, volID)
if err != nil {
return nil, err
}
keyFunc := func(info fscryptactions.ProtectorInfo, retry bool) (*fscryptcrypto.Key, error) {
key, err := fscryptcrypto.NewBlankKey(32)
passphrase, err := getPassphrase(ctx, encryption, volID)
if err != nil {
return nil, err
}
key, err := fscryptcrypto.NewBlankKey(encryptionPassphraseSize / 2)
copy(key.Data(), passphrase)
return key, err