mirror of
https://github.com/qemu/qemu.git
synced 2024-11-27 13:53:45 +08:00
da34e65cb4
Commit 57cb38b included qapi/error.h into qemu/osdep.h to get the
Error typedef. Since then, we've moved to include qemu/osdep.h
everywhere. Its file comment explains: "To avoid getting into
possible circular include dependencies, this file should not include
any other QEMU headers, with the exceptions of config-host.h,
compiler.h, os-posix.h and os-win32.h, all of which are doing a
similar job to this file and are under similar constraints."
qapi/error.h doesn't do a similar job, and it doesn't adhere to
similar constraints: it includes qapi-types.h. That's in excess of
100KiB of crap most .c files don't actually need.
Add the typedef to qemu/typedefs.h, and include that instead of
qapi/error.h. Include qapi/error.h in .c files that need it and don't
get it now. Include qapi-types.h in qom/object.h for uint16List.
Update scripts/clean-includes accordingly. Update it further to match
reality: replace config.h by config-target.h, add sysemu/os-posix.h,
sysemu/os-win32.h. Update the list of includes in the qemu/osdep.h
comment quoted above similarly.
This reduces the number of objects depending on qapi/error.h from "all
of them" to less than a third. Unfortunately, the number depending on
qapi-types.h shrinks only a little. More work is needed for that one.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
[Fix compilation without the spice devel packages. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
/*
|
|
* QEMU Crypto PBKDF support (Password-Based Key Derivation Function)
|
|
*
|
|
* Copyright (c) 2015-2016 Red Hat, Inc.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#include "qemu/osdep.h"
|
|
#include "qapi/error.h"
|
|
#include "crypto/pbkdf.h"
|
|
#include "gcrypt.h"
|
|
|
|
bool qcrypto_pbkdf2_supports(QCryptoHashAlgorithm hash)
|
|
{
|
|
switch (hash) {
|
|
case QCRYPTO_HASH_ALG_MD5:
|
|
case QCRYPTO_HASH_ALG_SHA1:
|
|
case QCRYPTO_HASH_ALG_SHA256:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
int qcrypto_pbkdf2(QCryptoHashAlgorithm hash,
|
|
const uint8_t *key, size_t nkey,
|
|
const uint8_t *salt, size_t nsalt,
|
|
unsigned int iterations,
|
|
uint8_t *out, size_t nout,
|
|
Error **errp)
|
|
{
|
|
static const int hash_map[QCRYPTO_HASH_ALG__MAX] = {
|
|
[QCRYPTO_HASH_ALG_MD5] = GCRY_MD_MD5,
|
|
[QCRYPTO_HASH_ALG_SHA1] = GCRY_MD_SHA1,
|
|
[QCRYPTO_HASH_ALG_SHA256] = GCRY_MD_SHA256,
|
|
};
|
|
int ret;
|
|
|
|
if (hash >= G_N_ELEMENTS(hash_map) ||
|
|
hash_map[hash] == GCRY_MD_NONE) {
|
|
error_setg(errp, "Unexpected hash algorithm %d", hash);
|
|
return -1;
|
|
}
|
|
|
|
ret = gcry_kdf_derive(key, nkey, GCRY_KDF_PBKDF2,
|
|
hash_map[hash],
|
|
salt, nsalt, iterations,
|
|
nout, out);
|
|
if (ret != 0) {
|
|
error_setg(errp, "Cannot derive password: %s",
|
|
gcry_strerror(ret));
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|