Use Entitiy.EncryptionKey instead of reimplementing it

This fixes us sometimes using subkeys whose key flags allow
encryption but don't have a valid algorithm for encryption,
or that are expired, etc.
This commit is contained in:
Daniel Huigens 2019-05-23 16:36:24 +02:00
parent e65ed17b41
commit 781681b548
4 changed files with 6 additions and 58 deletions

View file

@ -6,7 +6,6 @@ import (
"fmt"
"io"
"golang.org/x/crypto/openpgp"
"golang.org/x/crypto/openpgp/packet"
)
@ -70,22 +69,8 @@ func (keyRing *KeyRing) EncryptSessionKey(sessionSplit *SymmetricKey) ([]byte, e
var pub *packet.PublicKey
for _, e := range keyRing.GetEntities() {
for _, subKey := range e.Subkeys {
if !subKey.Sig.FlagsValid || subKey.Sig.FlagEncryptStorage || subKey.Sig.FlagEncryptCommunications {
pub = subKey.PublicKey
break
}
}
if pub == nil && len(e.Identities) > 0 {
var i *openpgp.Identity
for _, i = range e.Identities {
break
}
if i.SelfSignature.FlagsValid || i.SelfSignature.FlagEncryptStorage || i.SelfSignature.FlagEncryptCommunications {
pub = e.PrimaryKey
}
}
if pub != nil {
if encryptionKey, ok := e.EncryptionKey(pgp.getNow()); ok {
pub = encryptionKey.PublicKey
break
}
}