1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* 3 * Crypto user configuration API. 4 * 5 * Copyright (C) 2011 secunet Security Networks AG 6 * Copyright (C) 2011 Steffen Klassert <steffen.klassert (at) secunet.com> 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms and conditions of the GNU General Public License, 10 * version 2, as published by the Free Software Foundation. 11 * 12 * This program is distributed in the hope it will be useful, but WITHOUT 13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 15 * more details. 16 * 17 * You should have received a copy of the GNU General Public License along with 18 * this program; if not, write to the Free Software Foundation, Inc., 19 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 20 */ 21 22 #include <linux/types.h> 23 24 /* Netlink configuration messages. */ 25 enum { 26 CRYPTO_MSG_BASE = 0x10, 27 CRYPTO_MSG_NEWALG = 0x10, 28 CRYPTO_MSG_DELALG, 29 CRYPTO_MSG_UPDATEALG, 30 CRYPTO_MSG_GETALG, 31 CRYPTO_MSG_DELRNG, 32 __CRYPTO_MSG_MAX 33 }; 34 #define CRYPTO_MSG_MAX (__CRYPTO_MSG_MAX - 1) 35 #define CRYPTO_NR_MSGTYPES (CRYPTO_MSG_MAX + 1 - CRYPTO_MSG_BASE) 36 37 #define CRYPTO_MAX_NAME 64 38 39 /* Netlink message attributes. */ 40 enum crypto_attr_type_t { 41 CRYPTOCFGA_UNSPEC, 42 CRYPTOCFGA_PRIORITY_VAL, /* __u32 */ 43 CRYPTOCFGA_REPORT_LARVAL, /* struct crypto_report_larval */ 44 CRYPTOCFGA_REPORT_HASH, /* struct crypto_report_hash */ 45 CRYPTOCFGA_REPORT_BLKCIPHER, /* struct crypto_report_blkcipher */ 46 CRYPTOCFGA_REPORT_AEAD, /* struct crypto_report_aead */ 47 CRYPTOCFGA_REPORT_COMPRESS, /* struct crypto_report_comp */ 48 CRYPTOCFGA_REPORT_RNG, /* struct crypto_report_rng */ 49 CRYPTOCFGA_REPORT_CIPHER, /* struct crypto_report_cipher */ 50 CRYPTOCFGA_REPORT_AKCIPHER, /* struct crypto_report_akcipher */ 51 CRYPTOCFGA_REPORT_KPP, /* struct crypto_report_kpp */ 52 CRYPTOCFGA_REPORT_ACOMP, /* struct crypto_report_acomp */ 53 __CRYPTOCFGA_MAX 54 55 #define CRYPTOCFGA_MAX (__CRYPTOCFGA_MAX - 1) 56 }; 57 58 struct crypto_user_alg { 59 char cru_name[CRYPTO_MAX_NAME]; 60 char cru_driver_name[CRYPTO_MAX_NAME]; 61 char cru_module_name[CRYPTO_MAX_NAME]; 62 __u32 cru_type; 63 __u32 cru_mask; 64 __u32 cru_refcnt; 65 __u32 cru_flags; 66 }; 67 68 struct crypto_report_larval { 69 char type[CRYPTO_MAX_NAME]; 70 }; 71 72 struct crypto_report_hash { 73 char type[CRYPTO_MAX_NAME]; 74 unsigned int blocksize; 75 unsigned int digestsize; 76 }; 77 78 struct crypto_report_cipher { 79 char type[CRYPTO_MAX_NAME]; 80 unsigned int blocksize; 81 unsigned int min_keysize; 82 unsigned int max_keysize; 83 }; 84 85 struct crypto_report_blkcipher { 86 char type[CRYPTO_MAX_NAME]; 87 char geniv[CRYPTO_MAX_NAME]; 88 unsigned int blocksize; 89 unsigned int min_keysize; 90 unsigned int max_keysize; 91 unsigned int ivsize; 92 }; 93 94 struct crypto_report_aead { 95 char type[CRYPTO_MAX_NAME]; 96 char geniv[CRYPTO_MAX_NAME]; 97 unsigned int blocksize; 98 unsigned int maxauthsize; 99 unsigned int ivsize; 100 }; 101 102 struct crypto_report_comp { 103 char type[CRYPTO_MAX_NAME]; 104 }; 105 106 struct crypto_report_rng { 107 char type[CRYPTO_MAX_NAME]; 108 unsigned int seedsize; 109 }; 110 111 struct crypto_report_akcipher { 112 char type[CRYPTO_MAX_NAME]; 113 }; 114 115 struct crypto_report_kpp { 116 char type[CRYPTO_MAX_NAME]; 117 }; 118 119 struct crypto_report_acomp { 120 char type[CRYPTO_MAX_NAME]; 121 }; 122 123 #define CRYPTO_REPORT_MAXSIZE (sizeof(struct crypto_user_alg) + \ 124 sizeof(struct crypto_report_blkcipher)) 125
