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scd:piv: Implement import of private keys for Yubikeys.

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* scd/app-piv.c (concat_tlv_list): Add arg 'secure' and adjust
 callers.
(writekey_rsa, writekey_ecc): New.
(do_writekey): New.
(do_writecert): Provide a better error message for an empty cert.
(app_select_piv): Register do_writekey.
* scd/iso7816.c (iso7816_send_apdu): New.
* scd/app-common.h (APP_WRITEKEY_FLAG_FORCE): New.
* agent/command.c (cmd_keytocard): Make the timestamp optional.
* tools/card-call-scd.c (inq_writekey_parms): Remove.
(scd_writekey): Rewrite.
* tools/gpg-card.c (cmd_writekey): New.
(enum cmdids): Add cmdWRITEKEY.
(dispatch_command, interactive_loop): Call cmd_writekey.
--

This has been tested with gpgsm and RSA keys.  For ECC keys only
partly tested using the sample OpenPGP nistp256 and nistp384 keys
because gpgsm does not yet support ECC certificates and thus we can't
write the certificates to the cert object after a writekey.  Note that
they nevertheless show up in "gpgcard list" because gpg-card searches
for them in gpg and gpgsm.  However, this does not work completely.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2019-03-05 15:49:20 +01:00
parent db87132b10
commit e897e1e255
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
9 changed files with 561 additions and 54 deletions
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3
scd/app-common.h
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@ -33,6 +33,9 @@
/* Flags used with app_genkey. */
#define APP_GENKEY_FLAG_FORCE 1 /* Force overwriting existing key. */
/* Flags used with app_writekey. */
#define APP_WRITEKEY_FLAG_FORCE 1 /* Force overwriting existing key. */
/* Bit flags set by the decipher function into R_INFO. */
#define APP_DECIPHER_INFO_NOPAD 1 /* Padding has been removed. */