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