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gpgcompose: Fix --sk-esk.

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* 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@fsij.org>
This commit is contained in:
NIIBE Yutaka 2018-11-08 20:52:38 +09:00
parent 7fc3decc2e
commit 69930f6884
1 changed files with 14 additions and 3 deletions
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17
g10/gpgcompose.c
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@ -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;