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Diffstat (limited to 'lang/python/docs')
| -rw-r--r-- | lang/python/docs/GPGMEpythonHOWTOen.org | 77 | 
1 files changed, 60 insertions, 17 deletions
diff --git a/lang/python/docs/GPGMEpythonHOWTOen.org b/lang/python/docs/GPGMEpythonHOWTOen.org index dca69993..8f57adbc 100644 --- a/lang/python/docs/GPGMEpythonHOWTOen.org +++ b/lang/python/docs/GPGMEpythonHOWTOen.org @@ -345,35 +345,78 @@     #+end_src -** Counting keys +*** Counting keys +    :PROPERTIES: +    :CUSTOM_ID: howto-keys-counting +    :END: + +    Counting the number of keys in your public keybox (=pubring.kbx=), +    the format which has superceded the old keyring format +    (=pubring.gpg= and =secring.gpg=), or the number of secret keys is +    a very simple task. + +    #+begin_src python +      import gpg + +      c = gpg.Context() +      seckeys = c.keylist(pattern=None, secret=True) +      pubkeys = c.keylist(pattern=None, secret=False) + +      seclist = list(seckeys) +      secnum = len(seclist) + +      publist = list(pubkeys) +      pubnum = len(publist) + +      print(""" +      Number of secret keys:  {0} +      Number of public keys:  {1} +      """.format(secnum, pubnum) +    #+end_src + + +** Get key     :PROPERTIES: -   :CUSTOM_ID: howto-keys-counting +   :CUSTOM_ID: howto-get-key     :END: -   Counting the number of keys in your public keybox (=pubring.kbx=), -   the format which has superceded the old keyring format -   (=pubring.gpg= and =secring.gpg=), or the number of secret keys is -   a very simple task. +   An alternative method of getting a single key via its fingerprint +   is available directly within a Context with =Context().get_key=. +   This is the preferred method of selecting a key in order to modify +   it, sign or certify it and for obtaining relevant data about a +   single key as a part of other functions; when verifying a signature +   made by that key, for instance. + +   By default this method will select public keys, but it can select +   secret keys as well. + +   This first example demonstrates selecting the current key of Werner +   Koch, which is due to expire at the end of 2018:     #+begin_src python       import gpg -     c = gpg.Context() -     seckeys = c.keylist(pattern=None, secret=True) -     pubkeys = c.keylist(pattern=None, secret=False) +     fingerprint = "80615870F5BAD690333686D0F2AD85AC1E42B367" +     key = gpg.Context().get_key(fingerprint) +   #+end_src -     seclist = list(seckeys) -     secnum = len(seclist) +   Whereas this example demonstrates selecting the author's current +   key with the =secret= key word argument set to =True=: -     publist = list(pubkeys) -     pubnum = len(publist) +   #+begin_src python +     import gpg -     print(""" -     Number of secret keys:  {0} -     Number of public keys:  {1} -     """.format(secnum, pubnum) +     fingerprint = "DB4724E6FA4286C92B4E55C4321E4E2373590E5D" +     key = gpg.Context().get_key(fingerprint, secret=True)     #+end_src +   It is, of course, quite possible to select expired, disabled and +   revoked keys with this function, but only to effectively display +   information about those keys. + +   It is also possible to use both unicode or string literals and byte +   literals with the fingerprint when getting a key in this way. +  * Basic Functions    :PROPERTIES:  | 
