include/uapi/linux/cryptouser.h

   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@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))