qemu/block/crypto.h

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/*
* QEMU block full disk encryption
*
* Copyright (c) 2015-2017 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 2.1 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/>.
*
*/
#ifndef BLOCK_CRYPTO_H
#define BLOCK_CRYPTO_H
#define BLOCK_CRYPTO_OPT_DEF_KEY_SECRET(prefix, helpstr) \
{ \
.name = prefix BLOCK_CRYPTO_OPT_QCOW_KEY_SECRET, \
.type = QEMU_OPT_STRING, \
.help = helpstr, \
}
#define BLOCK_CRYPTO_OPT_QCOW_KEY_SECRET "key-secret"
#define BLOCK_CRYPTO_OPT_DEF_QCOW_KEY_SECRET(prefix) \
BLOCK_CRYPTO_OPT_DEF_KEY_SECRET(prefix, \
"ID of the secret that provides the AES encryption key")
#define BLOCK_CRYPTO_OPT_LUKS_KEY_SECRET "key-secret"
#define BLOCK_CRYPTO_OPT_LUKS_CIPHER_ALG "cipher-alg"
#define BLOCK_CRYPTO_OPT_LUKS_CIPHER_MODE "cipher-mode"
#define BLOCK_CRYPTO_OPT_LUKS_IVGEN_ALG "ivgen-alg"
#define BLOCK_CRYPTO_OPT_LUKS_IVGEN_HASH_ALG "ivgen-hash-alg"
#define BLOCK_CRYPTO_OPT_LUKS_HASH_ALG "hash-alg"
#define BLOCK_CRYPTO_OPT_LUKS_ITER_TIME "iter-time"
#define BLOCK_CRYPTO_OPT_LUKS_KEYSLOT "keyslot"
#define BLOCK_CRYPTO_OPT_LUKS_STATE "state"
#define BLOCK_CRYPTO_OPT_LUKS_OLD_SECRET "old-secret"
#define BLOCK_CRYPTO_OPT_LUKS_NEW_SECRET "new-secret"
#define BLOCK_CRYPTO_OPT_DEF_LUKS_KEY_SECRET(prefix) \
BLOCK_CRYPTO_OPT_DEF_KEY_SECRET(prefix, \
"ID of the secret that provides the keyslot passphrase")
#define BLOCK_CRYPTO_OPT_DEF_LUKS_CIPHER_ALG(prefix) \
{ \
.name = prefix BLOCK_CRYPTO_OPT_LUKS_CIPHER_ALG, \
.type = QEMU_OPT_STRING, \
.help = "Name of encryption cipher algorithm", \
}
#define BLOCK_CRYPTO_OPT_DEF_LUKS_CIPHER_MODE(prefix) \
{ \
.name = prefix BLOCK_CRYPTO_OPT_LUKS_CIPHER_MODE, \
.type = QEMU_OPT_STRING, \
.help = "Name of encryption cipher mode", \
}
#define BLOCK_CRYPTO_OPT_DEF_LUKS_IVGEN_ALG(prefix) \
{ \
.name = prefix BLOCK_CRYPTO_OPT_LUKS_IVGEN_ALG, \
.type = QEMU_OPT_STRING, \
.help = "Name of IV generator algorithm", \
}
#define BLOCK_CRYPTO_OPT_DEF_LUKS_IVGEN_HASH_ALG(prefix) \
{ \
.name = prefix BLOCK_CRYPTO_OPT_LUKS_IVGEN_HASH_ALG, \
.type = QEMU_OPT_STRING, \
.help = "Name of IV generator hash algorithm", \
}
#define BLOCK_CRYPTO_OPT_DEF_LUKS_HASH_ALG(prefix) \
{ \
.name = prefix BLOCK_CRYPTO_OPT_LUKS_HASH_ALG, \
.type = QEMU_OPT_STRING, \
.help = "Name of encryption hash algorithm", \
}
#define BLOCK_CRYPTO_OPT_DEF_LUKS_ITER_TIME(prefix) \
{ \
.name = prefix BLOCK_CRYPTO_OPT_LUKS_ITER_TIME, \
.type = QEMU_OPT_NUMBER, \
.help = "Time to spend in PBKDF in milliseconds", \
}
#define BLOCK_CRYPTO_OPT_DEF_LUKS_STATE(prefix) \
{ \
.name = prefix BLOCK_CRYPTO_OPT_LUKS_STATE, \
.type = QEMU_OPT_STRING, \
.help = "Select new state of affected keyslots (active/inactive)",\
}
#define BLOCK_CRYPTO_OPT_DEF_LUKS_KEYSLOT(prefix) \
{ \
.name = prefix BLOCK_CRYPTO_OPT_LUKS_KEYSLOT, \
.type = QEMU_OPT_NUMBER, \
.help = "Select a single keyslot to modify explicitly",\
}
#define BLOCK_CRYPTO_OPT_DEF_LUKS_OLD_SECRET(prefix) \
{ \
.name = prefix BLOCK_CRYPTO_OPT_LUKS_OLD_SECRET, \
.type = QEMU_OPT_STRING, \
.help = "Select all keyslots that match this password", \
}
#define BLOCK_CRYPTO_OPT_DEF_LUKS_NEW_SECRET(prefix) \
{ \
.name = prefix BLOCK_CRYPTO_OPT_LUKS_NEW_SECRET, \
.type = QEMU_OPT_STRING, \
.help = "New secret to set in the matching keyslots. " \
"Empty string to erase", \
}
QCryptoBlockCreateOptions *
block_crypto_create_opts_init(QDict *opts, Error **errp);
QCryptoBlockAmendOptions *
block_crypto_amend_opts_init(QDict *opts, Error **errp);
QCryptoBlockOpenOptions *
block_crypto_open_opts_init(QDict *opts, Error **errp);
#endif /* BLOCK_CRYPTO_H */