[git] GnuPG - branch, master, updated. gnupg-2.2.7-255-g69930f6
by NIIBE Yutaka
cvs at cvs.gnupg.org
Thu Nov 8 12:57:30 CET 2018
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- Log -----------------------------------------------------------------
commit 69930f6884a934207f7aa523cf6d2b8e22dfe666
Author: NIIBE Yutaka <gniibe at fsij.org>
Date: Thu Nov 8 20:52:38 2018 +0900
gpgcompose: Fix --sk-esk.
* g10/gpgcompose.c (sk_esk): Copy the result content correctly.
Don't forget to free the result.
--
Fixes-commit: 0131d4369a81a51bf7bb328cc81a3bb082ed1a94
Signed-off-by: NIIBE Yutaka <gniibe at fsij.org>
diff --git a/g10/gpgcompose.c b/g10/gpgcompose.c
index b3f7ecd..9b69015 100644
--- a/g10/gpgcompose.c
+++ b/g10/gpgcompose.c
@@ -2281,16 +2281,27 @@ sk_esk (const char *option, int argc, char *argv[], void *cookie)
/* Encrypt the session key using the s2k specifier. */
{
DEK *sesdekp = &sesdek;
+ void *enckey;
+ size_t enckeylen;
/* Now encrypt the session key (or rather, the algorithm used to
- encrypt the SKESK plus the session key) using ENCKEY. */
- err = encrypt_seskey (&s2kdek, 0, &sesdekp,
- (void**)&ske->seskey, (size_t *)&ske->seskeylen);
+ encrypt the SKESK plus the session key) using S2KDEK. */
+ err = encrypt_seskey (&s2kdek, 0, &sesdekp, &enckey, &enckeylen);
+
if (err)
log_fatal ("encrypt_seskey failed: %s\n", gpg_strerror (err));
+ if (enckeylen - 1 > sesdek.keylen)
+ log_fatal ("key size is too big: %z\n", enckeylen);
+ else
+ {
+ ske->seskeylen = (byte)enckeylen;
+ memcpy (ske->seskey, enckey, enckeylen);
+ }
+
/* Save the session key for later. */
session_key = sesdek;
+ xfree (enckey);
}
pkt.pkttype = PKT_SYMKEY_ENC;
-----------------------------------------------------------------------
Summary of changes:
g10/gpgcompose.c | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
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