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gpg: New option --default-new-key-algo.

Browse source 
* common/openpgp-oid.c (openpgp_is_curve_supported): Add optional arg
R_ALGO and change all callers.
* common/util.h (GPG_ERR_UNKNOWN_FLAG): New error code.
* g10/options.h (struct opt): Add field DEF_NEW_KEY_ALGO.
* g10/gpg.c (oDefaultNewKeyAlgo): New enum.
(opts): New option "--default-new-key-algo".
(main): Set the option.
* g10/keygen.c: Remove DEFAULT_STD_ FUTURE_STD_ constants and replace
them by ...
(DEFAULT_STD_KEY_PARAM, FUTURE_STD_KEY_PARAM): new string constants.
(get_keysize_range): Remove arg R_DEF and return that value instead.
Change all callers.
(gen_rsa): Use get_keysize_range instead of the removed
DEFAULT_STD_KEYSIZE.
(parse_key_parameter_part): New function.
(parse_key_parameter_string): New function.
(quick_generate_keypair): Refactor using parse_key_parameter_string.
(generate_keypair): Ditto.
(parse_algo_usage_expire): Ditto.
--

This new option is intended to be used in the forthcoming
--set-profile command of gpgconf.  It allows to provide a gpg
configuration with custom defaults for a new key using the simple
commands which use the default algorithm set.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2016-12-02 19:43:36 +01:00
parent cd532bb7b8
commit ce29272e24
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
9 changed files with 424 additions and 138 deletions
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16
common/openpgp-oid.c
View file

@ -411,17 +411,21 @@ openpgp_enum_curves (int *iterp)
}
/* Return the Libgcrypt name for for the gpg curve NAME if supported.
* If R_ALGO is not NULL the required OpenPGP public key algo or 0 is
* stored at that address. NULL is returned if the curev is not
* supported. */
/* Return the Libgcrypt name for the gpg curve NAME if supported. If
* R_ALGO is not NULL the required OpenPGP public key algo or 0 is
* stored at that address. If R_NBITS is not NULL the nominal bitsize
* of the curves is stored there. NULL is returned if the curve is
* not supported. */
const char *
openpgp_is_curve_supported (const char *name, int *r_algo)
openpgp_is_curve_supported (const char *name, int *r_algo,
unsigned int *r_nbits)
{
int idx;
if (r_algo)
*r_algo = 0;
if (r_nbits)
*r_nbits = 0;
for (idx = 0; idx < DIM (oidtable) && oidtable[idx].name; idx++)
{
if ((!strcmp (name, oidtable[idx].name)
@ -430,6 +434,8 @@ openpgp_is_curve_supported (const char *name, int *r_algo)
{
if (r_algo)
*r_algo = oidtable[idx].pubkey_algo;
if (r_nbits)
*r_nbits = oidtable[idx].nbits;
return oidtable[idx].name;
}
}