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Prepare for OpenPGP cards with extended length support.

This commit is contained in:
Werner Koch 2009-04-01 14:38:22 +00:00
parent 0b99639624
commit 9d6a2a60c2
2 changed files with 13 additions and 4 deletions
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5
scd/ChangeLog
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@ -1,3 +1,8 @@
2009-04-01 Werner Koch <wk@g10code.com>
* app-openpgp.c (do_setattr, do_writekey): Prepare for extended
length cards.
2009-03-31 Werner Koch <wk@g10code.com>
* command.c (percent_plus_unescape): Remove.

12
scd/app-openpgp.c
View File

@ -1772,9 +1772,11 @@ do_setattr (app_t app, const char *name,
will reread the data from the card and thus get synced in case of
errors (e.g. data truncated by the card). */
flush_cache_item (app, table[idx].tag);
/* For command chaining we use a value of 254 for this card. */
if (app->app_local->cardcap.cmd_chaining && valuelen > 254)
exmode = -254;
if (app->app_local->cardcap.ext_lc_le && valuelen > 254)
exmode = 1; /* Use extended length w/o a limit. */
else if (app->app_local->cardcap.cmd_chaining && valuelen > 254)
exmode = -254; /* Command chaining with max. 254 bytes. */
else
exmode = 0;
rc = iso7816_put_data (app->slot, exmode, table[idx].tag, value, valuelen);
@ -2432,7 +2434,9 @@ do_writekey (app_t app, ctrl_t ctrl,
goto leave;
/* Store the key. */
if (app->app_local->cardcap.cmd_chaining && template_len > 254)
if (app->app_local->cardcap.ext_lc_le && template_len > 254)
exmode = 1; /* Use extended length w/o a limit. */
else if (app->app_local->cardcap.cmd_chaining && template_len > 254)
exmode = -254;
else
exmode = 0;