1 /* 2 * QEMU block full disk encryption 3 * 4 * Copyright (c) 2015-2017 Red Hat, Inc. 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, see <http://www.gnu.org/licenses/>. 18 * 19 */ 20 21 #ifndef BLOCK_CRYPTO_H 22 #define BLOCK_CRYPTO_H 23 24 #define BLOCK_CRYPTO_OPT_DEF_KEY_SECRET(prefix, helpstr) \ 25 { \ 26 .name = prefix BLOCK_CRYPTO_OPT_QCOW_KEY_SECRET, \ 27 .type = QEMU_OPT_STRING, \ 28 .help = helpstr, \ 29 } 30 31 #define BLOCK_CRYPTO_OPT_QCOW_KEY_SECRET "key-secret" 32 33 #define BLOCK_CRYPTO_OPT_DEF_QCOW_KEY_SECRET(prefix) \ 34 BLOCK_CRYPTO_OPT_DEF_KEY_SECRET(prefix, \ 35 "ID of the secret that provides the AES encryption key") 36 37 #define BLOCK_CRYPTO_OPT_LUKS_KEY_SECRET "key-secret" 38 #define BLOCK_CRYPTO_OPT_LUKS_CIPHER_ALG "cipher-alg" 39 #define BLOCK_CRYPTO_OPT_LUKS_CIPHER_MODE "cipher-mode" 40 #define BLOCK_CRYPTO_OPT_LUKS_IVGEN_ALG "ivgen-alg" 41 #define BLOCK_CRYPTO_OPT_LUKS_IVGEN_HASH_ALG "ivgen-hash-alg" 42 #define BLOCK_CRYPTO_OPT_LUKS_HASH_ALG "hash-alg" 43 #define BLOCK_CRYPTO_OPT_LUKS_ITER_TIME "iter-time" 44 #define BLOCK_CRYPTO_OPT_LUKS_KEYSLOT "keyslot" 45 #define BLOCK_CRYPTO_OPT_LUKS_STATE "state" 46 #define BLOCK_CRYPTO_OPT_LUKS_OLD_SECRET "old-secret" 47 #define BLOCK_CRYPTO_OPT_LUKS_NEW_SECRET "new-secret" 48 49 50 #define BLOCK_CRYPTO_OPT_DEF_LUKS_KEY_SECRET(prefix) \ 51 BLOCK_CRYPTO_OPT_DEF_KEY_SECRET(prefix, \ 52 "ID of the secret that provides the keyslot passphrase") 53 54 #define BLOCK_CRYPTO_OPT_DEF_LUKS_CIPHER_ALG(prefix) \ 55 { \ 56 .name = prefix BLOCK_CRYPTO_OPT_LUKS_CIPHER_ALG, \ 57 .type = QEMU_OPT_STRING, \ 58 .help = "Name of encryption cipher algorithm", \ 59 } 60 61 #define BLOCK_CRYPTO_OPT_DEF_LUKS_CIPHER_MODE(prefix) \ 62 { \ 63 .name = prefix BLOCK_CRYPTO_OPT_LUKS_CIPHER_MODE, \ 64 .type = QEMU_OPT_STRING, \ 65 .help = "Name of encryption cipher mode", \ 66 } 67 68 #define BLOCK_CRYPTO_OPT_DEF_LUKS_IVGEN_ALG(prefix) \ 69 { \ 70 .name = prefix BLOCK_CRYPTO_OPT_LUKS_IVGEN_ALG, \ 71 .type = QEMU_OPT_STRING, \ 72 .help = "Name of IV generator algorithm", \ 73 } 74 75 #define BLOCK_CRYPTO_OPT_DEF_LUKS_IVGEN_HASH_ALG(prefix) \ 76 { \ 77 .name = prefix BLOCK_CRYPTO_OPT_LUKS_IVGEN_HASH_ALG, \ 78 .type = QEMU_OPT_STRING, \ 79 .help = "Name of IV generator hash algorithm", \ 80 } 81 82 #define BLOCK_CRYPTO_OPT_DEF_LUKS_HASH_ALG(prefix) \ 83 { \ 84 .name = prefix BLOCK_CRYPTO_OPT_LUKS_HASH_ALG, \ 85 .type = QEMU_OPT_STRING, \ 86 .help = "Name of encryption hash algorithm", \ 87 } 88 89 #define BLOCK_CRYPTO_OPT_DEF_LUKS_ITER_TIME(prefix) \ 90 { \ 91 .name = prefix BLOCK_CRYPTO_OPT_LUKS_ITER_TIME, \ 92 .type = QEMU_OPT_NUMBER, \ 93 .help = "Time to spend in PBKDF in milliseconds", \ 94 } 95 96 #define BLOCK_CRYPTO_OPT_DEF_LUKS_STATE(prefix) \ 97 { \ 98 .name = prefix BLOCK_CRYPTO_OPT_LUKS_STATE, \ 99 .type = QEMU_OPT_STRING, \ 100 .help = "Select new state of affected keyslots (active/inactive)",\ 101 } 102 103 #define BLOCK_CRYPTO_OPT_DEF_LUKS_KEYSLOT(prefix) \ 104 { \ 105 .name = prefix BLOCK_CRYPTO_OPT_LUKS_KEYSLOT, \ 106 .type = QEMU_OPT_NUMBER, \ 107 .help = "Select a single keyslot to modify explicitly",\ 108 } 109 110 #define BLOCK_CRYPTO_OPT_DEF_LUKS_OLD_SECRET(prefix) \ 111 { \ 112 .name = prefix BLOCK_CRYPTO_OPT_LUKS_OLD_SECRET, \ 113 .type = QEMU_OPT_STRING, \ 114 .help = "Select all keyslots that match this password", \ 115 } 116 117 #define BLOCK_CRYPTO_OPT_DEF_LUKS_NEW_SECRET(prefix) \ 118 { \ 119 .name = prefix BLOCK_CRYPTO_OPT_LUKS_NEW_SECRET, \ 120 .type = QEMU_OPT_STRING, \ 121 .help = "New secret to set in the matching keyslots. " \ 122 "Empty string to erase", \ 123 } 124 125 QCryptoBlockCreateOptions * 126 block_crypto_create_opts_init(QDict *opts, Error **errp); 127 128 QCryptoBlockAmendOptions * 129 block_crypto_amend_opts_init(QDict *opts, Error **errp); 130 131 QCryptoBlockOpenOptions * 132 block_crypto_open_opts_init(QDict *opts, Error **errp); 133 134 #endif /* BLOCK_CRYPTO_H */ 135