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gpg: New command --export-ssh-key

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* g10/export.c: Include membuf.h and host2net.h.
(key_to_sshblob): New.
(export_ssh_key): New.
* g10/gpg.c (aExportSshKey): New.
(opts): Add command.
(main): Implement that command.
--

GnuPG-bug-id: 2212

I have done only a few tests rights now and the ECDSA curves do not
yet work.  However ssh-keygen -l accept RSA and ed25519 keys exported
using this command.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2016-01-08 17:22:32 +01:00
parent 34bca9cd4b
commit 4970868d8d
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
3 changed files with 312 additions and 2 deletions
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16
g10/gpg.c
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@ -1,6 +1,6 @@
/* gpg.c - The GnuPG utility (main for gpg)
* Copyright (C) 1998-2011 Free Software Foundation, Inc.
* Copyright (C) 1997-2014 Werner Koch
* Copyright (C) 1997-2016 Werner Koch
* Copyright (C) 2015 g10 Code GmbH
*
* This file is part of GnuPG.
@ -141,6 +141,7 @@ enum cmd_and_opt_values
aExport,
aExportSecret,
aExportSecretSub,
aExportSshKey,
aCheckKeys,
aGenRevoke,
aDesigRevoke,
@ -453,6 +454,7 @@ static ARGPARSE_OPTS opts[] = {
ARGPARSE_c (aFetchKeys, "fetch-keys" , "@" ),
ARGPARSE_c (aExportSecret, "export-secret-keys" , "@" ),
ARGPARSE_c (aExportSecretSub, "export-secret-subkeys" , "@" ),
ARGPARSE_c (aExportSshKey, "export-ssh-key", "@" ),
ARGPARSE_c (aImport, "import", N_("import/merge keys")),
ARGPARSE_c (aFastImport, "fast-import", "@"),
#ifdef ENABLE_CARD_SUPPORT
@ -2400,6 +2402,7 @@ main (int argc, char **argv)
case aListSigs:
case aExportSecret:
case aExportSecretSub:
case aExportSshKey:
case aSym:
case aClearsign:
case aGenRevoke:
@ -4184,6 +4187,17 @@ main (int argc, char **argv)
free_strlist(sl);
break;
case aExportSshKey:
if (argc != 1)
wrong_args ("--export-ssh-key <user-id>");
rc = export_ssh_key (ctrl, argv[0]);
if (rc)
{
write_status_failure ("export-ssh-key", rc);
log_error (_("export as ssh key failed: %s\n"), gpg_strerror (rc));
}
break;
case aSearchKeys:
sl = NULL;
for (; argc; argc--, argv++)