LXR linux/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.  */
  22enum {
  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.  */
  37enum 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_MAX
  49
  50#define CRYPTOCFGA_MAX (__CRYPTOCFGA_MAX - 1)
  51};
  52
  53struct crypto_user_alg {
  54        char cru_name[CRYPTO_MAX_ALG_NAME];
  55        char cru_driver_name[CRYPTO_MAX_ALG_NAME];
  56        char cru_module_name[CRYPTO_MAX_ALG_NAME];
  57        __u32 cru_type;
  58        __u32 cru_mask;
  59        __u32 cru_refcnt;
  60        __u32 cru_flags;
  61};
  62
  63struct crypto_report_larval {
  64        char type[CRYPTO_MAX_NAME];
  65};
  66
  67struct crypto_report_hash {
  68        char type[CRYPTO_MAX_NAME];
  69        unsigned int blocksize;
  70        unsigned int digestsize;
  71};
  72
  73struct crypto_report_cipher {
  74        char type[CRYPTO_MAX_ALG_NAME];
  75        unsigned int blocksize;
  76        unsigned int min_keysize;
  77        unsigned int max_keysize;
  78};
  79
  80struct crypto_report_blkcipher {
  81        char type[CRYPTO_MAX_NAME];
  82        char geniv[CRYPTO_MAX_NAME];
  83        unsigned int blocksize;
  84        unsigned int min_keysize;
  85        unsigned int max_keysize;
  86        unsigned int ivsize;
  87};
  88
  89struct crypto_report_aead {
  90        char type[CRYPTO_MAX_NAME];
  91        char geniv[CRYPTO_MAX_NAME];
  92        unsigned int blocksize;
  93        unsigned int maxauthsize;
  94        unsigned int ivsize;
  95};
  96
  97struct crypto_report_comp {
  98        char type[CRYPTO_MAX_NAME];
  99};
 100
 101struct crypto_report_rng {
 102        char type[CRYPTO_MAX_NAME];
 103        unsigned int seedsize;
 104};
 105
 106struct crypto_report_akcipher {
 107        char type[CRYPTO_MAX_NAME];
 108};
 109
 110#define CRYPTO_REPORT_MAXSIZE (sizeof(struct crypto_user_alg) + \
 111                               sizeof(struct crypto_report_blkcipher))
 112