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* scd: Rework the handling of the displayed serial number.Werner Koch2020-11-251-45/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * scd/app.c (app_new_register): Call app_munge_serialno for Yubikeys. (app_munge_serialno): Handle Yubikey serial numbers. (card_get_serialno): Remove special Yubikey treatment. Drop arg is_canonical. (app_get_serialno): Clear ERRNO on error. (card_get_dispserialno): New. Also change formatting of Yubikey and OpenPGP numbers to match those printed on the card. (app_get_dispserialno): New. * scd/app-openpgp.c (do_getattr): Use app_get_dispserialno. (yubikey_get_serialno): Remove. * scd/app-piv.c (get_dispserialno): Remove. (do_getattr): Use app_get_dispserialno. -- This patch gets us back to a unique serial number for cards and provides a stable serial number as printed for Yubikeys. Because we use a slightly different serial number now for Yubikeys and cards only supporting OpenPGP card we need to come up with another change so that the version number of OpenPGP serial numbers are ignored when comparing card serial numbers. This is so that existing stub keys of gpg-agent will continue to work. GnuPG-bug-id: 5100 Signed-off-by: Werner Koch <[email protected]>
* doc: Fix typosGavin L. Rebeiro2020-11-231-1/+1
| | | | | | | -- GnuPG-bug-id: 5071 Also fixed one in keyformat.txt [wk].
* scd: Handle Yubikey's multiple apps and serialno.NIIBE Yutaka2020-10-231-0/+33
| | | | | | | | | | | | | | * scd/app-common.h (yubikey_get_serialno): New. * scd/app-openpgp.c (yubikey_get_serialno): New. * scd/app.c (card_get_serialno): Use OpenPGP app's serialno, when it's enabled for Yubikey. (send_serialno_and_app_status): Use card_get_serialno, not directly accessing ->serialno. -- GnuPG-bug-id: 5100 Signed-off-by: NIIBE Yutaka <[email protected]>
* scd: Don't overwrite serialno for Yubikey.NIIBE Yutaka2020-10-231-3/+10
| | | | | | | | | * scd/app-openpgp.c (app_select_openpgp): Keep ->serialno. -- GnuPG-bug-id: 5100 Signed-off-by: NIIBE Yutaka <[email protected]>
* scd,openpgp: Use app_get_serialno function to get SERIALNO.NIIBE Yutaka2020-10-231-16/+17
| | | | | | | | | | * scd/app-openpgp.c (check_keyidstr): Don't directly access app->serialno, but use app_get_serialno. (do_with_keygrip): Likewise. -- Signed-off-by: NIIBE Yutaka <[email protected]>
* scd: Report any error for LEARN command.NIIBE Yutaka2020-09-301-30/+67
| | | | | | * scd/app-openpgp.c (do_learn_status): Report any error. Signed-off-by: NIIBE Yutaka <[email protected]>
* scd: Extend KEYPAIRINFO with an algorithm string.Werner Koch2020-09-211-2/+21
| | | | | | | | | | | | | | | | | | | | | | * scd/app-openpgp.c (send_keypair_info): Emit the algo string as part of a KEYPAIRINFO. * scd/command.c (do_readkey): Ditto. * scd/app-piv.c (do_readkey): Ditto. * scd/app-nks.c (do_learn_status_core): Ditto. (struct fid_cache_s): Add field algostr. (flush_fid_cache): Release it. (keygripstr_from_pk_file): Fill it and add it to the cache. Use a single exit label. * scd/app-help.c (app_help_get_keygrip_string_pk): Add new arg r_algostr. Change all callers. -- This is helpful so that callers do not need to parse the key for this basic information. Use "scd readkey --info-only" to return the info status line instead of the key material; using just --info returns the info in addition to the key material. Signed-off-by: Werner Koch <[email protected]>
* scd: Clear PIN cache when changing key attributes.NIIBE Yutaka2020-09-161-1/+4
| | | | | | * scd/app-openpgp.c (change_keyattr): Clear all PINs. Signed-off-by: NIIBE Yutaka <[email protected]>
* scd: Clear caching PIN at KDF setup.NIIBE Yutaka2020-09-161-0/+4
| | | | | | * scd/app-openpgp.c (do_setattr): Clear PINs. Signed-off-by: NIIBE Yutaka <[email protected]>
* scd: Add better support for KDF feature.NIIBE Yutaka2020-09-161-0/+7
| | | | | | * scd/app-openpgp.c (do_setattr): Handle kdf-seup "off" for Gnuk. Signed-off-by: NIIBE Yutaka <[email protected]>
* gpg,scd: Fix handling of KDF feature.NIIBE Yutaka2020-09-161-11/+23
| | | | | | | | * g10/card-util.c (kdf_setup): Fix the default value. * scd/app-openpgp.c (do_setattr): Support kdf-setup "off" by Zeitcontrol. Make sure Gnuk and Yubikey work well. Signed-off-by: NIIBE Yutaka <[email protected]>
* scd: Fix the use case of verify_chv2 by CHECKPIN.NIIBE Yutaka2020-09-151-21/+25
| | | | | | | | | | | | | | * scd/app-openpgp.c (verify_chv2): Call verify_a_chv with chvno=1 when needed. -- Confusingly, verify_chv2 has two different purposes; One for verifying with CHV2 (in addition to CHV1), and the call by CHECKPIN. For the latter, we should check CHV1. Fixes-commit: af189be481df02a77e088aa0a60a1fc02dfa12bf Signed-off-by: NIIBE Yutaka <[email protected]>
* scd: Flush KDF DO (0x00F9) when it's being set.NIIBE Yutaka2020-09-101-3/+3
| | | | | | | | | | | * scd/app-openpgp.c (do_setattr): Call flush_cache_item always. -- Only it was called when there was an object with KDF_DATA_LENGTH_MAX. No matter the VALUELEN, it should be flushed. Signed-off-by: NIIBE Yutaka <[email protected]>
* scd: Add a workaround for Yubikey.NIIBE Yutaka2020-09-081-0/+3
| | | | | | | | | | | * scd/app-openpgp.c (get_public_key): Handle wrong code for Yubikey. -- Yubikey version 5 s/n 609074582 returns 0x6982, version 5.2.4 s/n 610616049 returns 0x6581, where 0x6a88 is expected. Signed-off-by: NIIBE Yutaka <[email protected]>
* scd: Fix handling 0x00FA to support OpenPGP card 3.4.NIIBE Yutaka2020-09-071-1/+1
| | | | | | | * scd/app-openpgp.c (data_objects): It may be longer. Fixes-commit: 90d0072165cc5c6888f14462392a211de0c4b232 Signed-off-by: NIIBE Yutaka <[email protected]>
* scd: Support GET DATA response with no header for DO 0x00FA.NIIBE Yutaka2020-09-041-25/+28
| | | | | | * scd/app-openpgp.c (do_getattr): Support Gnuk, as well. Signed-off-by: NIIBE Yutaka <[email protected]>
* scd: Parse "Algorithm Information" data object in scdaemon.NIIBE Yutaka2020-09-041-2/+106
| | | | | | | | * scd/app-openpgp.c (data_objects): 0x00FA for binary data. (do_getattr): Parse the data and send it in status lines. (get_algorithm_attribute_string): New. Signed-off-by: NIIBE Yutaka <[email protected]>
* scd: Add handling of "Algorithm Information" DO.NIIBE Yutaka2020-09-031-0/+2
| | | | | | | | | | | | * cd/app-openpgp.c (data_objects): Add 0x00FA. (do_getattr): Add KEY-ATTR-INFO. -- See the section 4.4.3.11 Algorithm Information in the OpenPGP card functional specification version 3.4.1. Signed-off-by: NIIBE Yutaka <[email protected]>
* scd: Add condition for VERIFY with 0x82.NIIBE Yutaka2020-08-271-4/+9
| | | | | | | | | | | | | * scd/app-openpgp.c (verify_chv2): Check availability of keys in question. -- With buggy Gnuk (<= 1.2.15), when no encr/auth keys are available, it fails decrementing the signature error counter. This change can avoid the issue. Signed-off-by: NIIBE Yutaka <[email protected]>
* scd: Fix possible uninitialized variables.NIIBE Yutaka2020-08-191-7/+7
| | | | | | | | * scd/app-openpgp.c (do_change_pin): Initialize resultlen2. (do_change_pin): Don't call wipe_and_free on the error path. Initialize bufferlen2. Signed-off-by: NIIBE Yutaka <[email protected]>
* scd: Silence compiler warning.NIIBE Yutaka2020-07-311-3/+3
| | | | | | * scd/app-openpgp.c (build_ecc_privkey_template): Fix allocation size. Signed-off-by: NIIBE Yutaka <[email protected]>
* scd: Fix condition for C5 data object for newer Yubikey.NIIBE Yutaka2020-05-291-1/+1
| | | | | | | * scd/app-openpgp.c (compare_fingerprint): Relax the condition. GnuPG-bug-id: 4957 Signed-off-by: NIIBE Yutaka <[email protected]>
* scd:openpgp: New KEY-STATUS attribute.Werner Koch2020-05-271-1/+10
| | | | * scd/app-openpgp.c (do_getattr): Return KEY-STATUS
* scd:openpgp: Add attribute "UIF" for convenience.Werner Koch2020-05-261-5/+11
| | | | | | | | | | | | * scd/app-openpgp.c (do_getattr): New attrubute "UIF". (do_learn_status): Use that. -- Actually this is not just convenience but will make it easier to add new keys to an openpgp card - we will need to change this only at one place. Signed-off-by: Werner Koch <[email protected]>
* scd:openpgp: New attribute "MANUFACTURER".Werner Koch2020-04-031-0/+50
| | | | | | | | | | | | * scd/app-openpgp.c (get_manufacturer): New.. (do_getattr): Add new attribute "MANUFACTURER". (do_learn_status): Always print it. -- This will make it easy to maintain the list of OpenPGP vendors at just one place. Signed-off-by: Werner Koch <[email protected]>
* scd: Use Gcrypt usage constants for the do_with_keygrip capabilities.Werner Koch2020-04-021-2/+11
| | | | | | | | | | | | * scd/command.c (cmd_keyinfo): Use Gcrypt constants for CAP. * scd/app-openpgp.c (do_with_keygrip): Adjust for them. * scd/app-piv.c (do_with_keygrip): Ditto. -- That makes it easier to read. An open question is whether we should allow several capabilities and whether they are the ORed or ANDed. Signed-off-by: Werner Koch <[email protected]>
* scd:openpgp: Allow PKSIGN with keygrip also for OPENPGP.3.Werner Koch2020-03-271-5/+18
| | | | | | | | | | | | | | * scd/app-openpgp.c (check_keyidstr): Add optional arg r_use_auth to test also for OpenPGP.3. (do_sign): Enable that new mode. -- This is very useful to allow gpgsm to use a certificate based on the OpenPGP card's authentication key. That key is usually used for ssh but it makes sense to use it also for user certificate based authentication. Signed-off-by: Werner Koch <[email protected]>
* scd: Fix the previous commit.NIIBE Yutaka2020-02-281-0/+3
| | | | | | * scd/app-openpgp.c (do_setattr): Flush the KDF DO just before setting. Signed-off-by: NIIBE Yutaka <[email protected]>
* scd: Improve setattr for KDF.NIIBE Yutaka2020-02-281-1/+64
| | | | | | | | * scd/app-openpgp.c (do_setattr): For setting KDF DO, support standard OpenPGP card, which needs to update PIN. GnuPG-bug-id: 3891 Signed-off-by: NIIBE Yutaka <[email protected]>
* scd: Fix pinpad handling when KDF enabled.NIIBE Yutaka2020-02-281-0/+2
| | | | | | | | | * scd/app-openpgp.c (do_getattr): Send the KDF DO information. -- Fixes-commit: 95c7498b76231d3297541172d878f6a26702539b Signed-off-by: NIIBE Yutaka <[email protected]>
* scd: Disable pinpad if it's impossible by KDF DO.NIIBE Yutaka2020-02-171-7/+30
| | | | | | | | | | | | * scd/app-openpgp.c (struct app_local_s): Add pinpad.disabled field. (do_getattr): Set pinpad.disabled field. (check_pinpad_request): Use the pinpad.disabled field. (do_setattr): Update pinpad.disabled field. -- GnuPG-bug-id: 4832 Signed-off-by: NIIBE Yutaka <[email protected]>
* scd:openpgp: Return key creation time as part of KEYPARIINFO.Werner Koch2020-02-131-16/+8
| | | | | | | | | | | | | * scd/app-openpgp.c (send_keypair_info): Reaturn the key creation time as part of a KEYPAIRINFO. (do_readkey): Do not return the KEY-TIME anymore. -- Sending the KEY_TIME status as part of a READKEY command was only recently added. It is better to merge that into the KEYPAIRINFO line. Another patch with chnage this for the consumers of that info. Signed-off-by: Werner Koch <[email protected]>
* scd:openpgp: Send a KEY-TIME status with READKEYWerner Koch2020-02-111-0/+38
| | | | | | | | | | | * scd/app-openpgp.c (retrieve_fprtime_from_card): New. (do_readkey): Send a KEY_TIME status. -- It might be easier to fold this into KEYPAIRINFO but for backward compatibility using a separate status line is safer. Signed-off-by: Werner Koch <[email protected]>
* scd:openpgp: Optional allow for lowercase keyrefs.Werner Koch2020-02-111-10/+10
| | | | | | | | | * scd/app-openpgp.c (do_readkey): Use case insensitive match of the keyref. (do_writekey, do_sign, do_auth, do_decipher): Ditto. -- Signed-off-by: Werner Koch <[email protected]>
* scd:openpgp: Allow auto-changing of the key attributes in genkey.Werner Koch2020-02-111-45/+176
| | | | | | | | | | | | | | | | * scd/app-openpgp.c (struct app_local_s): Add field keyalgo. (parse_algorithm_attribute): Store the new keyalgo field. (change_keyattr): Change info message. (change_keyattr_from_string): Rewrite to also accept a keyref and a keyalgo string. (do_genkey): Change the keyattr if a keyalgo string is given. -- Having this feature makes it easier to use OpenPGP cards in a similar way to other cards. Note that the explicit changing via SETATTR is still supported. Signed-off-by: Werner Koch <[email protected]>
* common: Extend the openpgp_curve_to_oid function.Werner Koch2020-02-111-4/+4
| | | | | | | | | * common/openpgp-oid.c (openpgp_curve_to_oid): Add optional arg R_NBITS. Change all callers. -- In particular for ed25519 and cv25519 it is quite useful to have an ability to get the required algorithm.
* scd:openpgp: Let the genkey function also accept a full keyref.Werner Koch2020-02-091-3/+12
| | | | | | | | | | | * scd/app-openpgp.c (send_key_attr): Use log_assert. (do_genkey): Allow prefix. -- It is more uniform to always use full keyref (e.g. "OPENPGP.1") instead of just the key number. Signed-off-by: Werner Koch <[email protected]>
* scd: Make the PIN cache robust against wrongdoing of gpg-agent.Werner Koch2020-01-131-3/+34
| | | | | | | | | | | | * scd/app-openpgp.c (struct app_local_s): New field pincache. (cache_pin): Set it. (pin_from_cache): Consult it. * scd/app-piv.c (struct app_local_s): New field pincache. (cache_pin): Set it. (pin_from_cache): Consult it. -- Signed-off-by: Werner Koch <[email protected]>
* scd:piv: Implement PIN cache.Werner Koch2020-01-131-1/+2
| | | | | | | | | | | | | | | | | | | | | | * scd/command.c (pincache_put): Add arg pinlen and change all callers to provide it. * scd/app-piv.c (cache_pin): New. (pin_from_cache): New. (ask_and_prepare_chv): Add args no_cache and r_unpaddedpinlen. Take PIN from the cache. Return the unpadded length. (verify_chv): Add arg ctrl. Cache the PIN. (do_change_chv): Clear PIN cache. -- The PIV pins are padded but we want to store the unpadded PIN. Thus the changes to the function. Code has has been tested by commenting the no_cache parameter because we the current test certificate was created for PIV.9C which requires a verification for each use. More testing is required. GnuPG-bug-id: 4791 Signed-off-by: Werner Koch <[email protected]>
* scd: Implement direct access by KEYGRIP for GETATTR and READKEY.NIIBE Yutaka2020-01-101-1/+15
| | | | | | | | | * scd/app-openpgp.c (do_readkey): Handle KEYGRIP access. * scd/command.c (do_readkey): New. (cmd_readkey): Use do_readkey supporting KEYGRIP access. (cmd_getattr): Supporting KEYGRIP access. Signed-off-by: NIIBE Yutaka <[email protected]>
* scd:openpgp: Implement PIN cache.Werner Koch2020-01-091-104/+229
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * scd/app-openpgp.c (wipe_and_free, wipe_and_free_string): Use them everywere where we do a wipememory followed by a free. (pin2hash_if_kdf): Change interface. The input PIN is not anymore changed. Further there are no more assumptions about the length of the provided buffer. (cache_pin): Restructure. (chvno_to_keyref): New. (pin_from_cache): New. (verify_a_chv): Add arg CTRL. Adjust for changed pin2hash_if_kdf. Chache and retrieve the PIN here. (verify_chv2): Do not cache the PIN here. (build_enter_admin_pin_prompt): Add arg 'r_remaining'. (verify_chv3): Adjust for changed pin2hash_if_kdf. Implement the PIN cache. (do_change_pin): Clear the PIN cache. Do not change the PIN here. Lots of adjustments to cope with the chnaged pin2hash_if_kdf. (do_sign): Do not cache the PIN here. -- Note that some of the changes are required because we can't rely that the PIN is always cached in secure memory. Thus it is better to do an explicit wipe. Testing the PIN cache can currently only be done my modifying the code to do a verification for each operation. Only some basic testing has been done. Clearing the PIN cache is also not fully implemented. With the forthcoming changes to app-piv we should be enter able to test the PIN cache. Missing stuff: - The agent should be able to selectively clear the cache on a per slot base. - We should replace AESWRAP by OCB. Signed-off-by: Werner Koch <[email protected]>
* scd: First changes to implement a PIN cache.Werner Koch2020-01-071-49/+109
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | * scd/command.c (pincache_put): New. Uses a dummy key for now. (pincache_get): New. * scd/app.c (select_application): Flush the PIN cache. (scd_update_reader_status_file): Ditto. (maybe_switch_app): Call the new prep_reselect function. (app_write_learn_status): Ditto. * scd/app-openpgp.c (cache_pin): New helper to cache a PIN. (verify_chv2): Call it. (verify_chv3): Call it. (clear_chv_status): Call it. (do_change_pin): Call it. * scd/app-common.h (struct app_ctx_s): Add function 'prep_select'. * scd/app-openpgp.c (do_prep_reselect): New stub function. (app_select_openpgp): Set new stub function. * scd/app-piv.c (do_prep_reselect): New stub function. (app_select_piv): Set new stub function. * scd/app-common.h (struct app_ctx_s): Add parameter ctrl to setattr, sign, auth, decipher, and check_pin. Change all implementations and callers to pass such a parameter. -- This is work in progress. Signed-off-by: Werner Koch <[email protected]>
* scd: Enhance KEYINFO command to limit listing with capability.NIIBE Yutaka2019-12-191-13/+29
| | | | | | | | | | | | | | | | | | * scd/app-common.h: Add CAPABILITY argument to the WITH_KEYGRIP. (app_do_with_keygrip): Likewise. * scd/app-openpgp.c (send_keyinfo_if_available): New. (do_with_keygrip): Support listing with CAPABILITY. * scd/app-piv.c (do_with_keygrip): Likewise. * scd/app.c (maybe_switch_app): Supply the argument. (app_do_with_keygrip): Add CAPABILITY argument. * scd/command.c (cmd_pksign, cmd_pkauth): Supply the argument. (cmd_pkdecrypt): Likewise. (cmd_keyinfo): Support listing with CAPABILITY. -- GnuPG-bug-id: 4784 Signed-off-by: NIIBE Yutaka <[email protected]>
* scd:openpgp: Avoid PIN caching issues after re-select.Werner Koch2019-09-051-0/+6
| | | | | | | | | | | * scd/app-openpgp.c (do_reselect): Clear PIN cache flags. -- It seems that the verification status of the OpenPGP app on a Yubikey is reset on a select. We need to reflect this in our cache to avoid a "Bad PIN" error on computing a signature. Signed-off-by: Werner Koch <[email protected]>
* scd: Support "[CHV3]" attribute for keyid string.NIIBE Yutaka2019-07-191-3/+2
| | | | | | | * scd/app-openpgp.c (check_keyidstr0: Relax the check. Fixes-commit: b0f0791e4ade845b2a0e2a94dbda4f3bf1ceb039 Signed-off-by: NIIBE Yutaka <[email protected]>
* scd: Add an re-select mechanism to switch apps.Werner Koch2019-06-251-2/+32
| | | | | | | | | | | | | | | | | | | | | | | | | | | | * scd/app-common.h (struct app_ctx_s): Add func ptr 'reselect'. * scd/app-piv.c (do_reselect): New. (app_select_piv): Move AID constant to file scope. * scd/app-openpgp.c (do_reselect): New. (app_select_openpgp): Move AID constant to file scope. * scd/app.c (apptype_from_name): New. (check_application_conflict): Check against all apps of the card. Always set current_apptype. (select_additional_application): New. (maybe_switch_app): New. (app_write_learn_status, app_readcert, app_readkey, app_getattr) (app_setattr, app_sign, app_auth, app_decipher, app_writecert) (app_writekey, app_genkey, app_change_pin, app_check_pin): Use it here. (app_do_with_keygrip): Force reselect on success. (app_new_register): Move setting of CURRENT_APPTYPE to ... (select_application): here so that it will be set to the requested card. * scd/command.c (open_card_with_request): Select additional application if possible. -- Noet that we will likely need to rework this even more so to get well defined semantics for card access. Signed-off-by: Werner Koch <[email protected]>
* scd: Simplify inclusion of app-common.h.Werner Koch2019-06-211-1/+0
| | | | | | | | | | | | | | * scd/scdaemon.h: Include app-common.h. Remove inclusion of that header from all other files. (card_t, app_t): Move typedef to ... * scd/app-common.h: here. Use them in the defs. -- In another patch we will need apptype_t in the ctrl object and thus we need to reorganize things a bit now. Given that most files need app-common anyway it makes sense to always include it. Signed-off-by: Werner Koch <[email protected]>
* scd: Use enums for cardtype and apptype.Werner Koch2019-06-211-1/+1
| | | | | | | | | | | | | | | | * scd/app-common.h (cardtype_t): New. (apptype_t): New. (struct card_ctx_s): Change type of cardtype. (struct app_ctx_s): Change type of apptype. Adjust all users. * scd/app.c (struct app_priority_list_s): Add field apptype. (strcardtype): New. Use as needed. (strapptype): New. Use as needed. -- Using strcmp is lame and we can't use a switch to let the compiler complain about missed cases. Signed-off-by: Werner Koch <[email protected]>
* scd: Split data structures into app and card related objects.Werner Koch2019-06-191-45/+58
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * scd/app-common.h (struct card_ctx_s): New. (struct app_ctx_s): Factor card specific fields out to card_ctx_s. (app_get_slot): New. * scd/scdaemon.h (card_t): New. (struct server_control_s): Rename field app_ctx to card_ctx and change all users. * scd/app-dinsig.c: Use app_get_slot and adjust for chang in card related fields. * scd/app-geldkarte.c: Ditto. * scd/app-nks.c: Ditto. * scd/app-openpgp.c: Ditto. * scd/app-p15.c: Ditto. * scd/app-sc-hsm.c: Ditto. * scd/app.c: Lost of changes to adjust for the changed data structures. Change all callers. (app_list_lock): Rename to card_list_lock. (app_top): Remove. (card_top): New. (lock_app): Rename to lock_card and change arg type. (unlock_app): Rename to unlock_card. (app_dump_state): Print card and app info. (app_reset): Rename to card_reset. (app_new_register): Change for the new data structure. (deallocate_card): Dealloc card and all apps. (app_ref): Rename to card_ref. (app_unref): Rename to card_unref. (app_unref_locked): Rename to card_unref_locked. (card_get_serialno): New. * scd/command.c (cmd_pkdecrypt): Actually use the looked up card and former app object and not the standard one from the context. -- Although quite large, this is a straightforward change to separate card/token related data from card application related data. Before this change there was a one-to-one relation between card and application and no way to represent several applications on a card. The new data structure will allow for such a representation. Signed-off-by: Werner Koch <[email protected]>
* scd: Slight change to app->fnc.do_with_keygrip.Werner Koch2019-06-171-8/+10
| | | | | | | | | | | | | * scd/app-openpgp.c (do_with_keygrip): Return a real error code to avoid misinterpretation of the result. Also fix the case for a too small buffer. -- The only real chnage is the case for a too small buffer. That should in general never happen but if so we now return an error instead of success. Signed-off-by: Werner Koch <[email protected]>
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