def sign(filename):
"""Returns detached signature for file"""
plaintext = _get_file_data(filename)
ciphertext = core.Data()
ctx = core.Context()
ctx.set_armor(1)
ctx.set_passphrase_cb(_passphrase_callback)
ctx.op_keylist_start(str(config["gpg_key_uid"]), 0)
sigkey = ctx.op_keylist_next()
##print sigkey.uids[0].uid
ctx.signers_clear()
ctx.signers_add(sigkey)
passwd_is_incorrect = None
while passwd_is_incorrect is None or passwd_is_incorrect:
try:
ctx.op_sign(plaintext, ciphertext, pygpgme.GPGME_SIG_MODE_DETACH)
passwd_is_incorrect = False
except errors.GPGMEError:
passwd_is_incorrect = True
uid = config["gpg_key_uid"]
stored = config["gpg_key_passphrase_isstored"]
passwd = get_gpg_passwd_from_user(stored, passwd_is_incorrect, uid)
if passwd is None:
return
config["gpg_key_passphrase"] = repr(passwd)
ctx.set_passphrase_cb(_passphrase_callback)
ciphertext.seek(0, 0)
signature = ciphertext.read()
return signature
def genkey():
"""Creates a new standard GPG key"""
# Initialize our context.
core.check_version(None)
context = core.Context()
context.set_armor(1)
# Check if standard key is already present
keyname = str(config["gpg_key_uid"])
context.op_keylist_start(keyname, 0)
key = context.op_keylist_next()
# If no key is chosen generate one
no_key = key is None or not key or not keyname
if no_key:
# If no GPG key is set in config, choose one
uid = choose_uid(context)
if no_key and uid is not None:
# A key has been chosen
config["gpg_key_uid"] = repr(uid)
stored = config["gpg_key_passphrase_isstored"]
passwd = get_gpg_passwd_from_user(stored=stored, uid=uid)
if passwd is None:
sys.exit()
else:
config["gpg_key_passphrase"] = repr(passwd)
elif no_key and uid is None:
# No key has been chosen --> Create new one
# Show progress dialog
dlg_msg = _("Generating new GPG key {}.\nThis may take some time.\n \n"
"Progress bar may stall. Please wait.").format(keyname)
dlg = wx.ProgressDialog(_("GPG key generation"), dlg_msg,
maximum=200,
parent=None,
style=wx.PD_ELAPSED_TIME)
class CBFs(object):
"""Callback functions for pyme"""
progress = 0
def cbf(self, what=None, type=None, current=None, total=None,
hook=None):
"""Callback function that updates progress dialog"""
dlg.Update(self.progress % 199)
self.progress += 1
cbfs = CBFs()
gpg_key_parameters = get_key_params_from_user()
config["gpg_key_uid"] = repr(str( \
[val for key, val in gpg_key_parameters if key == 'Name-Real'][0]))
config["gpg_key_passphrase"] = repr(str(([val \
for key, val in gpg_key_parameters if key == 'Passphrase'][0])))
gpg_key_parameters_string = get_key_params_string(gpg_key_parameters)
context.set_progress_cb(cbfs.cbf, None)
context.op_genkey(gpg_key_parameters_string, None, None)
dlg.Destroy()
