diff options
Diffstat (limited to 'scd/app-openpgp.c')
| -rw-r--r-- | scd/app-openpgp.c | 35 |
1 files changed, 30 insertions, 5 deletions
diff --git a/scd/app-openpgp.c b/scd/app-openpgp.c index f5d0b5111..d3f460106 100644 --- a/scd/app-openpgp.c +++ b/scd/app-openpgp.c @@ -4824,6 +4824,7 @@ do_writekey (app_t app, ctrl_t ctrl, const unsigned char *buf, *tok; size_t buflen, toklen; int depth; + char *algostr = NULL; (void)ctrl; @@ -4866,17 +4867,41 @@ do_writekey (app_t app, ctrl_t ctrl, goto leave; if ((err = parse_sexp (&buf, &buflen, &depth, &tok, &toklen))) goto leave; - if (tok && toklen == 3 && memcmp ("rsa", tok, toklen) == 0) - err = rsa_writekey (app, ctrl, pincb, pincb_arg, keyno, buf, buflen, depth); - else if (tok && toklen == 3 && memcmp ("ecc", tok, toklen) == 0) - err = ecc_writekey (app, ctrl, pincb, pincb_arg, keyno, buf, buflen, depth); + + if (tok && toklen == 3 && (!memcmp ("rsa", tok, toklen) + || !memcmp ("ecc", tok, toklen))) + { + gcry_sexp_t stmp; + if (!gcry_sexp_new (&stmp, keydata, keydatalen, 0)) + algostr = pubkey_algo_string (stmp, NULL); + else + algostr = NULL; + gcry_sexp_release (stmp); + if (app->app_local->keyattr[keyno].keyalgo && algostr + && strcmp (app->app_local->keyattr[keyno].keyalgo, algostr)) + { + log_info ("openpgp: changing key attribute from %s to %s\n", + app->app_local->keyattr[keyno].keyalgo, algostr); + err = change_keyattr_from_string (app, ctrl, pincb, pincb_arg, + keyid, algostr, NULL, 0); + if (err) + return err; + } + + if (*tok == 'r') + err = rsa_writekey (app, ctrl, pincb, pincb_arg, keyno, + buf,buflen,depth); + else + err = ecc_writekey (app, ctrl, pincb, pincb_arg, keyno, + buf, buflen, depth); + } else { err = gpg_error (GPG_ERR_WRONG_PUBKEY_ALGO); - goto leave; } leave: + xfree (algostr); return err; } |