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gpg: Pass ECDH parameters to OpenPGP smartcards

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* g10/call-agent.c (agent_keytocard): Add arg ecdh_param_str.
* g10/keyid.c (ecdh_param_str_from_pk): New.
* g10/card-util.c (card_store_subkey): Pass ECDH params to writekey.
* g10/keygen.c (card_store_key_with_backup): Ditto.
--

Backported from 2.4 - here the gpg part.

See-commit: c03ba92576
This is related to
GnuPG-bug-id: 6378
This commit is contained in:
Werner Koch 2023-10-27 13:56:02 +02:00
parent d03d0add12
commit 92af3f88a9
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
6 changed files with 68 additions and 11 deletions
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8
g10/call-agent.c
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@ -957,7 +957,8 @@ agent_scd_apdu (const char *hexapdu, unsigned int *r_sw)
*/
int
agent_keytocard (const char *hexgrip, int keyno, int force,
const char *serialno, const char *timestamp)
const char *serialno, const char *timestamp,
const char *ecdh_param_str)
{
int rc;
char line[ASSUAN_LINELENGTH];
@ -965,8 +966,9 @@ agent_keytocard (const char *hexgrip, int keyno, int force,
memset (&parm, 0, sizeof parm);
snprintf (line, DIM(line), "KEYTOCARD %s%s %s OPENPGP.%d %s",
force?"--force ": "", hexgrip, serialno, keyno, timestamp);
snprintf (line, DIM(line), "KEYTOCARD %s%s %s OPENPGP.%d %s%s%s",
force?"--force ": "", hexgrip, serialno, keyno, timestamp,
ecdh_param_str? " ":"", ecdh_param_str? ecdh_param_str:"");
rc = start_agent (NULL, 1);
if (rc)