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 /* 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))