1 /* 2 * Crypto user configuration API. 3 * 4 * Copyright (C) 2011 secunet Security Networks AG 5 * Copyright (C) 2011 Steffen Klassert <steffen.klassert@secunet.com> 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_REPORT_ACOMP, /* struct crypto_report_acomp */ 50 __CRYPTOCFGA_MAX 51 52 #define CRYPTOCFGA_MAX (__CRYPTOCFGA_MAX - 1) 53 }; 54 55 struct crypto_user_alg { 56 char cru_name[CRYPTO_MAX_ALG_NAME]; 57 char cru_driver_name[CRYPTO_MAX_ALG_NAME]; 58 char cru_module_name[CRYPTO_MAX_ALG_NAME]; 59 __u32 cru_type; 60 __u32 cru_mask; 61 __u32 cru_refcnt; 62 __u32 cru_flags; 63 }; 64 65 struct crypto_report_larval { 66 char type[CRYPTO_MAX_NAME]; 67 }; 68 69 struct crypto_report_hash { 70 char type[CRYPTO_MAX_NAME]; 71 unsigned int blocksize; 72 unsigned int digestsize; 73 }; 74 75 struct crypto_report_cipher { 76 char type[CRYPTO_MAX_ALG_NAME]; 77 unsigned int blocksize; 78 unsigned int min_keysize; 79 unsigned int max_keysize; 80 }; 81 82 struct crypto_report_blkcipher { 83 char type[CRYPTO_MAX_NAME]; 84 char geniv[CRYPTO_MAX_NAME]; 85 unsigned int blocksize; 86 unsigned int min_keysize; 87 unsigned int max_keysize; 88 unsigned int ivsize; 89 }; 90 91 struct crypto_report_aead { 92 char type[CRYPTO_MAX_NAME]; 93 char geniv[CRYPTO_MAX_NAME]; 94 unsigned int blocksize; 95 unsigned int maxauthsize; 96 unsigned int ivsize; 97 }; 98 99 struct crypto_report_comp { 100 char type[CRYPTO_MAX_NAME]; 101 }; 102 103 struct crypto_report_rng { 104 char type[CRYPTO_MAX_NAME]; 105 unsigned int seedsize; 106 }; 107 108 struct crypto_report_akcipher { 109 char type[CRYPTO_MAX_NAME]; 110 }; 111 112 struct crypto_report_kpp { 113 char type[CRYPTO_MAX_NAME]; 114 }; 115 116 struct crypto_report_acomp { 117 char type[CRYPTO_MAX_NAME]; 118 }; 119 120 #define CRYPTO_REPORT_MAXSIZE (sizeof(struct crypto_user_alg) + \ 121 sizeof(struct crypto_report_blkcipher)) 122