Could anyone comment this? I found unresolved bug
http://www.bouncycastle.org/jira/browse/BMA-98 could it lead to this issue?
2013/4/18 Alexander Voronin <alexander.voro...@gmail.com>
> Hi! Unfortunately wiki is down and I did not found anything related in
> internet. I have following issue.
> I have GnuPG signed public key that contains signed public key:
>
> root@ubuntu:~# gpg --import < pkey.asc
> gpg: /root/.gnupg/trustdb.gpg: trustdb created
> gpg: key 771E0A0E: public key "User (User) <u...@domain.com>" imported
> gpg: Total number processed: 1
> gpg: imported: 1
> root@ubuntu:~#
>
>
> root@ubuntu:~# gpg --encrypt -r User
> gpg: 91A942AE: There is no assurance this key belongs to the named user
>
> pub 4096g/91A942AE 2010-10-29 User (User) <u...@domain.com>
> Primary key fingerprint: BB08 D13A 1AEB 2F23 1767 D912 CCD0 17AF 771E
> 0A0E
> Subkey fingerprint: E87A 27D3 A3D8 6489 70D8 2D19 2C65 0745 91A9
> 42AE
> ....
>
> And so on. So key is correct and usable. To extract PgpPublicKey object
> from key I'm using following method:
>
> public static PgpPublicKey PublicKeyFromString(string keyString) {
> using (Stream mStream = new MemoryStream(StringToBytes(keyString))) {
> using (Stream inputStream = PgpUtilities.GetDecoderStream(mStream)) {
> PgpPublicKeyRingBundle pgpPub = new PgpPublicKeyRingBundle(inputStream);
> foreach (PgpPublicKeyRing kRing in pgpPub.GetKeyRings()) {
> foreach (PgpPublicKey pKey in kRing.GetPublicKeys()) {
> if (pKey.IsEncryptionKey) {
> return pKey;
> }
> }
> }
> }
> }
> // not found
> throw new ArgumentException(SJ.Resources.ErrorPGPNoKeysInKeyRing);
> }
>
> The problem I see - kRing.GetPublicKeys() returns two elements - one of
> them public key itself and second one is key sign. But public key returned
> with attribute IsEncryptionKey set to false, and sign returned with
> IsEncryptionKey set to true. I can't use this PgpPublicKey object for
> encryption, and of course can't use sign for this puprose.
> kRing.GetPublicKey() also returns public key with IsEncryptionKey set to
> false.
>
> When I got public key using this method it looks usable (untill I'm trying
> to encrypt anything) and I can even save them in armored format. But after
> this GnuPG import says:
>
> root@ubuntu:~# gpg --import < pkey-extracted.asc
> gpg: /root/.gnupg/trustdb.gpg: trustdb created
> gpg: key 771E0A0E: public key "User (User) <u...@domain.com>" imported
> gpg: Total number processed: 1
> gpg: imported: 1
> root@ubuntu:~# gpg --encrypt -r User
> gpg: Darkterror: skipped: unusable public key
> gpg: [stdin]: encryption failed: unusable public key
> root@ubuntu:~#
>
> Is is bug or I missunderstood something? What is correct way to extract
> signed public key form keyring?
> Thanks in advance!
>
> --
> когда я опустился на самое дно, снизу мне постучали..
>
--
когда я опустился на самое дно, снизу мне постучали..
