include/uapi/linux/cryptouser.h

   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 #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))