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add OpenSC package

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OpenSC is a smart card middleware.
Patches for support of the GnuK USB token have been added.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
This commit is contained in:
Daniel Golle
2014-06-16 14:16:59 +02:00
parent 264e3a4365
commit 54a8a2a6b9
19 changed files with 1868 additions and 0 deletions
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utils/opensc/patches/0014-OpenPGP-Overcome-the-restriction-of-even-data-length.patch
+53
View File
@@ -0,0 +1,53 @@
From df8a78e3c8c9d9d591c0d3fa31db7e010eb2c8c2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nguy=E1=BB=85n=20H=E1=BB=93ng=20Qu=C3=A2n?=
<ng.hong.quan@gmail.com>
Date: Thu, 11 Apr 2013 16:18:31 +0700
Subject: [PATCH 14/18] OpenPGP: Overcome the restriction of even data length
of Gnuk.
When write certificate with odd length to Gnuk, we add zero padding to make it even.
---
src/libopensc/card-openpgp.c | 20 ++++++++++++++++++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/src/libopensc/card-openpgp.c b/src/libopensc/card-openpgp.c
index d9db948..a666163 100644
--- a/src/libopensc/card-openpgp.c
+++ b/src/libopensc/card-openpgp.c
@@ -1206,6 +1206,10 @@ static int gnuk_write_certificate(sc_card_t *card, const u8 *buf, size_t length)
sc_apdu_t apdu;
u8 *part;
size_t plen;
+ /* Two round_ variables below are to build APDU data
+ * with even length for Gnuk */
+ u8 roundbuf[256];
+ size_t roundlen = 0;
int r = SC_SUCCESS;
LOG_FUNC_CALLED(ctx);
@@ -1236,8 +1240,20 @@ static int gnuk_write_certificate(sc_card_t *card, const u8 *buf, size_t length)
sc_format_apdu(card, &apdu, SC_APDU_CASE_3_SHORT, 0xD6, i, 0);
}
apdu.flags |= SC_APDU_FLAGS_CHAINING;
- apdu.data = part;
- apdu.datalen = apdu.lc = plen;
+
+ /* If the last part has odd length, we add zero padding to make it even.
+ * Gnuk does not allow data with odd length */
+ if (plen < 256 && (plen % 2) != 0) {
+ roundlen = plen + 1;
+ memset(roundbuf, 0, roundlen);
+ memcpy(roundbuf, part, plen);
+ apdu.data = roundbuf;
+ apdu.datalen = apdu.lc = roundlen;
+ }
+ else {
+ apdu.data = part;
+ apdu.datalen = apdu.lc = plen;
+ }
r = sc_transmit_apdu(card, &apdu);
LOG_TEST_RET(card->ctx, r, "APDU transmit failed");
--
1.9.3