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 /* Netlink configuration messages. */ 22 enum { 23 CRYPTO_MSG_BASE = 0x10, 24 CRYPTO_MSG_NEWALG = 0x10, 25 CRYPTO_MSG_DELALG, 26 CRYPTO_MSG_UPDATEALG, 27 CRYPTO_MSG_GETALG, 28 CRYPTO_MSG_DELRNG, 29 __CRYPTO_MSG_MAX 30 }; 31 #define CRYPTO_MSG_MAX (__CRYPTO_MSG_MAX - 1) 32 #define CRYPTO_NR_MSGTYPES (CRYPTO_MSG_MAX + 1 - CRYPTO_MSG_BASE) 33 34 #define CRYPTO_MAX_NAME CRYPTO_MAX_ALG_NAME 35 36 /* Netlink message attributes. */ 37 enum crypto_attr_type_t { 38 CRYPTOCFGA_UNSPEC, 39 CRYPTOCFGA_PRIORITY_VAL, /* __u32 */ 40 CRYPTOCFGA_REPORT_LARVAL, /* struct crypto_report_larval */ 41 CRYPTOCFGA_REPORT_HASH, /* struct crypto_report_hash */ 42 CRYPTOCFGA_REPORT_BLKCIPHER, /* struct crypto_report_blkcipher */ 43 CRYPTOCFGA_REPORT_AEAD, /* struct crypto_report_aead */ 44 CRYPTOCFGA_REPORT_COMPRESS, /* struct crypto_report_comp */ 45 CRYPTOCFGA_REPORT_RNG, /* struct crypto_report_rng */ 46 CRYPTOCFGA_REPORT_CIPHER, /* struct crypto_report_cipher */ 47 CRYPTOCFGA_REPORT_AKCIPHER, /* struct crypto_report_akcipher */ 48 CRYPTOCFGA_REPORT_KPP, /* struct crypto_report_kpp */ 49 __CRYPTOCFGA_MAX 50 51 #define CRYPTOCFGA_MAX (__CRYPTOCFGA_MAX - 1) 52 }; 53 54 struct crypto_user_alg { 55 char cru_name[CRYPTO_MAX_ALG_NAME]; 56 char cru_driver_name[CRYPTO_MAX_ALG_NAME]; 57 char cru_module_name[CRYPTO_MAX_ALG_NAME]; 58 __u32 cru_type; 59 __u32 cru_mask; 60 __u32 cru_refcnt; 61 __u32 cru_flags; 62 }; 63 64 struct crypto_report_larval { 65 char type[CRYPTO_MAX_NAME]; 66 }; 67 68 struct crypto_report_hash { 69 char type[CRYPTO_MAX_NAME]; 70 unsigned int blocksize; 71 unsigned int digestsize; 72 }; 73 74 struct crypto_report_cipher { 75 char type[CRYPTO_MAX_ALG_NAME]; 76 unsigned int blocksize; 77 unsigned int min_keysize; 78 unsigned int max_keysize; 79 }; 80 81 struct crypto_report_blkcipher { 82 char type[CRYPTO_MAX_NAME]; 83 char geniv[CRYPTO_MAX_NAME]; 84 unsigned int blocksize; 85 unsigned int min_keysize; 86 unsigned int max_keysize; 87 unsigned int ivsize; 88 }; 89 90 struct crypto_report_aead { 91 char type[CRYPTO_MAX_NAME]; 92 char geniv[CRYPTO_MAX_NAME]; 93 unsigned int blocksize; 94 unsigned int maxauthsize; 95 unsigned int ivsize; 96 }; 97 98 struct crypto_report_comp { 99 char type[CRYPTO_MAX_NAME]; 100 }; 101 102 struct crypto_report_rng { 103 char type[CRYPTO_MAX_NAME]; 104 unsigned int seedsize; 105 }; 106 107 struct crypto_report_akcipher { 108 char type[CRYPTO_MAX_NAME]; 109 }; 110 111 struct crypto_report_kpp { 112 char type[CRYPTO_MAX_NAME]; 113 }; 114 115 #define CRYPTO_REPORT_MAXSIZE (sizeof(struct crypto_user_alg) + \ 116 sizeof(struct crypto_report_blkcipher)) 117