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authorNIIBE Yutaka <[email protected]>2022-04-22 02:50:19 +0000
committerNIIBE Yutaka <[email protected]>2022-07-12 07:11:08 +0000
commit07e43eda8dc69cecc385a6b3723e155afbc59257 (patch)
tree5c543e9309417781bfcc61db46c58654b4d1e4a6
parentPost release updates (diff)
downloadgnupg-07e43eda8dc69cecc385a6b3723e155afbc59257.tar.gz
gnupg-07e43eda8dc69cecc385a6b3723e155afbc59257.zip
scd: Don't inhibit SSH authentication for larger data if it can.
* scd/app-openpgp.c (do_auth): Use command chaining if available. -- Cherry-picked from master branch of: e8fb8e2b3e66d5ea8a3dc90afdc14611abf2c3da GnuPG-bug-id: 5935 Signed-off-by: NIIBE Yutaka <[email protected]>
-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 c65d6b198..c7d2c383e 100644
--- a/scd/app-openpgp.c
+++ b/scd/app-openpgp.c
@@ -4738,6 +4738,11 @@ 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)