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 <[email protected]> 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_GETSTAT, 33 __CRYPTO_MSG_MAX 34 }; 35 #define CRYPTO_MSG_MAX (__CRYPTO_MSG_MAX - 1) 36 #define CRYPTO_NR_MSGTYPES (CRYPTO_MSG_MAX + 1 - CRYPTO_MSG_BASE) 37 38 #define CRYPTO_MAX_NAME 64 39 40 /* Netlink message attributes. */ 41 enum crypto_attr_type_t { 42 CRYPTOCFGA_UNSPEC, 43 CRYPTOCFGA_PRIORITY_VAL, /* __u32 */ 44 CRYPTOCFGA_REPORT_LARVAL, /* struct crypto_report_larval */ 45 CRYPTOCFGA_REPORT_HASH, /* struct crypto_report_hash */ 46 CRYPTOCFGA_REPORT_BLKCIPHER, /* struct crypto_report_blkcipher */ 47 CRYPTOCFGA_REPORT_AEAD, /* struct crypto_report_aead */ 48 CRYPTOCFGA_REPORT_COMPRESS, /* struct crypto_report_comp */ 49 CRYPTOCFGA_REPORT_RNG, /* struct crypto_report_rng */ 50 CRYPTOCFGA_REPORT_CIPHER, /* struct crypto_report_cipher */ 51 CRYPTOCFGA_REPORT_AKCIPHER, /* struct crypto_report_akcipher */ 52 CRYPTOCFGA_REPORT_KPP, /* struct crypto_report_kpp */ 53 CRYPTOCFGA_REPORT_ACOMP, /* struct crypto_report_acomp */ 54 CRYPTOCFGA_STAT_LARVAL, /* struct crypto_stat */ 55 CRYPTOCFGA_STAT_HASH, /* struct crypto_stat */ 56 CRYPTOCFGA_STAT_BLKCIPHER, /* struct crypto_stat */ 57 CRYPTOCFGA_STAT_AEAD, /* struct crypto_stat */ 58 CRYPTOCFGA_STAT_COMPRESS, /* struct crypto_stat */ 59 CRYPTOCFGA_STAT_RNG, /* struct crypto_stat */ 60 CRYPTOCFGA_STAT_CIPHER, /* struct crypto_stat */ 61 CRYPTOCFGA_STAT_AKCIPHER, /* struct crypto_stat */ 62 CRYPTOCFGA_STAT_KPP, /* struct crypto_stat */ 63 CRYPTOCFGA_STAT_ACOMP, /* struct crypto_stat */ 64 __CRYPTOCFGA_MAX 65 66 #define CRYPTOCFGA_MAX (__CRYPTOCFGA_MAX - 1) 67 }; 68 69 struct crypto_user_alg { 70 char cru_name[CRYPTO_MAX_NAME]; 71 char cru_driver_name[CRYPTO_MAX_NAME]; 72 char cru_module_name[CRYPTO_MAX_NAME]; 73 __u32 cru_type; 74 __u32 cru_mask; 75 __u32 cru_refcnt; 76 __u32 cru_flags; 77 }; 78 79 struct crypto_stat { 80 char type[CRYPTO_MAX_NAME]; 81 union { 82 __u32 stat_encrypt_cnt; 83 __u32 stat_compress_cnt; 84 __u32 stat_generate_cnt; 85 __u32 stat_hash_cnt; 86 __u32 stat_setsecret_cnt; 87 }; 88 union { 89 __u64 stat_encrypt_tlen; 90 __u64 stat_compress_tlen; 91 __u64 stat_generate_tlen; 92 __u64 stat_hash_tlen; 93 }; 94 union { 95 __u32 stat_akcipher_err_cnt; 96 __u32 stat_cipher_err_cnt; 97 __u32 stat_compress_err_cnt; 98 __u32 stat_aead_err_cnt; 99 __u32 stat_hash_err_cnt; 100 __u32 stat_rng_err_cnt; 101 __u32 stat_kpp_err_cnt; 102 }; 103 union { 104 __u32 stat_decrypt_cnt; 105 __u32 stat_decompress_cnt; 106 __u32 stat_seed_cnt; 107 __u32 stat_generate_public_key_cnt; 108 }; 109 union { 110 __u64 stat_decrypt_tlen; 111 __u64 stat_decompress_tlen; 112 }; 113 union { 114 __u32 stat_verify_cnt; 115 __u32 stat_compute_shared_secret_cnt; 116 }; 117 __u32 stat_sign_cnt; 118 }; 119 120 struct crypto_report_larval { 121 char type[CRYPTO_MAX_NAME]; 122 }; 123 124 struct crypto_report_hash { 125 char type[CRYPTO_MAX_NAME]; 126 unsigned int blocksize; 127 unsigned int digestsize; 128 }; 129 130 struct crypto_report_cipher { 131 char type[CRYPTO_MAX_NAME]; 132 unsigned int blocksize; 133 unsigned int min_keysize; 134 unsigned int max_keysize; 135 }; 136 137 struct crypto_report_blkcipher { 138 char type[CRYPTO_MAX_NAME]; 139 char geniv[CRYPTO_MAX_NAME]; 140 unsigned int blocksize; 141 unsigned int min_keysize; 142 unsigned int max_keysize; 143 unsigned int ivsize; 144 }; 145 146 struct crypto_report_aead { 147 char type[CRYPTO_MAX_NAME]; 148 char geniv[CRYPTO_MAX_NAME]; 149 unsigned int blocksize; 150 unsigned int maxauthsize; 151 unsigned int ivsize; 152 }; 153 154 struct crypto_report_comp { 155 char type[CRYPTO_MAX_NAME]; 156 }; 157 158 struct crypto_report_rng { 159 char type[CRYPTO_MAX_NAME]; 160 unsigned int seedsize; 161 }; 162 163 struct crypto_report_akcipher { 164 char type[CRYPTO_MAX_NAME]; 165 }; 166 167 struct crypto_report_kpp { 168 char type[CRYPTO_MAX_NAME]; 169 }; 170 171 struct crypto_report_acomp { 172 char type[CRYPTO_MAX_NAME]; 173 }; 174 175 #define CRYPTO_REPORT_MAXSIZE (sizeof(struct crypto_user_alg) + \ 176 sizeof(struct crypto_report_blkcipher)) 177