[Pkg-gnupg-commit] [gnupg2] 120/292: scd: Fix keytocard for ECC.

[Daniel Kahn Gillmor]

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dkg pushed a commit to branch master
in repository gnupg2.

commit 25428be52168fa9c581b7f11c95a5c63b25343b7
Author: NIIBE Yutaka <gniibe at fsij.org>
Date:   Mon Oct 17 12:02:28 2016 +0900

    scd: Fix keytocard for ECC.
    
    * scd/app-openpgp.c (build_ecc_privkey_template): Size can be greater
    than 128 when it comes with public key for curve of larger field.
    
    --
    
    Reported-by: Arnaud Fontaine <arnaud.fontaine at ssi.gouv.fr>
    Signed-off-by: NIIBE Yutaka <gniibe at fsij.org>
---
 scd/app-openpgp.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/scd/app-openpgp.c b/scd/app-openpgp.c
index 563a045..ef335fe 100644
--- a/scd/app-openpgp.c
+++ b/scd/app-openpgp.c
@@ -2689,6 +2689,8 @@ build_ecc_privkey_template (app_t app, int keyno,
                    + privkey_len
                    + suffix_len
                    + datalen);
+  if (exthdr_len + privkey_len + suffix_len + datalen >= 128)
+    template_size++;
   tp = template = xtrymalloc_secure (template_size);
   if (!template)
     return gpg_error_from_syserror ();

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