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authorNIIBE Yutaka <gniibe@fsij.org>2022-04-22 11:50:19 +0900
committerNIIBE Yutaka <gniibe@fsij.org>2022-04-22 11:50:19 +0900
commite8fb8e2b3e66d5ea8a3dc90afdc14611abf2c3da (patch)
tree792a80b0405db963a76a8befcd6c7440e5020fcd
parent60fc743da4bfff5b1ce8b288e04b1e1f4b1a5cbf (diff)
scd: Don't inhibit SSH authentication for larger data if it can.
* scd/app-openpgp.c (do_auth): Use command chaining if available. -- GnuPG-bug-id: 5935 Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
-rw-r--r--scd/app-openpgp.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/scd/app-openpgp.c b/scd/app-openpgp.c
index 05e1f3977..439052f8c 100644
--- a/scd/app-openpgp.c
+++ b/scd/app-openpgp.c
@@ -5490,6 +5490,11 @@ do_auth (app_t app, ctrl_t ctrl, const char *keyidstr,
exmode = 1; /* Use extended length. */
le_value = app->app_local->keyattr[2].rsa.n_bits / 8;
}
+ else if (app->app_local->cardcap.cmd_chaining && indatalen > 254)
+ {
+ exmode = -254; /* Command chaining with max. 254 bytes. */
+ le_value = 0;
+ }
else if (indatalen > 255)
{
if (!app->app_local->cardcap.ext_lc_le)