Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Scatterlist Cryptographic API. |
| 3 | * |
| 4 | * Copyright (c) 2002 James Morris <jmorris@intercode.com.au> |
| 5 | * Copyright (c) 2002 David S. Miller (davem@redhat.com) |
Herbert Xu | 5cb1454 | 2005-11-05 16:58:14 +1100 | [diff] [blame] | 6 | * Copyright (c) 2005 Herbert Xu <herbert@gondor.apana.org.au> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | * |
| 8 | * Portions derived from Cryptoapi, by Alexander Kjeldaas <astor@fast.no> |
John Anthony Kazos Jr | 18735dd | 2007-10-19 23:07:36 +0200 | [diff] [blame] | 9 | * and Nettle, by Niels Möller. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | * |
| 11 | * This program is free software; you can redistribute it and/or modify it |
| 12 | * under the terms of the GNU General Public License as published by the Free |
| 13 | * Software Foundation; either version 2 of the License, or (at your option) |
| 14 | * any later version. |
| 15 | * |
| 16 | */ |
| 17 | #ifndef _LINUX_CRYPTO_H |
| 18 | #define _LINUX_CRYPTO_H |
| 19 | |
Herbert Xu | 6521f30 | 2006-08-06 20:28:44 +1000 | [diff] [blame] | 20 | #include <asm/atomic.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | #include <linux/module.h> |
| 22 | #include <linux/kernel.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 23 | #include <linux/list.h> |
Herbert Xu | 7991110 | 2006-08-21 21:03:52 +1000 | [diff] [blame] | 24 | #include <linux/slab.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | #include <linux/string.h> |
Herbert Xu | 7991110 | 2006-08-21 21:03:52 +1000 | [diff] [blame] | 26 | #include <linux/uaccess.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | |
| 28 | /* |
| 29 | * Algorithm masks and types. |
| 30 | */ |
Herbert Xu | 2825982 | 2006-08-06 21:23:26 +1000 | [diff] [blame] | 31 | #define CRYPTO_ALG_TYPE_MASK 0x0000000f |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 32 | #define CRYPTO_ALG_TYPE_CIPHER 0x00000001 |
| 33 | #define CRYPTO_ALG_TYPE_DIGEST 0x00000002 |
Herbert Xu | 055bcee | 2006-08-19 22:24:23 +1000 | [diff] [blame] | 34 | #define CRYPTO_ALG_TYPE_HASH 0x00000003 |
| 35 | #define CRYPTO_ALG_TYPE_BLKCIPHER 0x00000004 |
| 36 | #define CRYPTO_ALG_TYPE_COMPRESS 0x00000005 |
Herbert Xu | 1ae9782 | 2007-08-30 15:36:14 +0800 | [diff] [blame] | 37 | #define CRYPTO_ALG_TYPE_AEAD 0x00000006 |
Herbert Xu | 055bcee | 2006-08-19 22:24:23 +1000 | [diff] [blame] | 38 | |
| 39 | #define CRYPTO_ALG_TYPE_HASH_MASK 0x0000000e |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | |
Herbert Xu | 2825982 | 2006-08-06 21:23:26 +1000 | [diff] [blame] | 41 | #define CRYPTO_ALG_LARVAL 0x00000010 |
Herbert Xu | 6bfd480 | 2006-09-21 11:39:29 +1000 | [diff] [blame] | 42 | #define CRYPTO_ALG_DEAD 0x00000020 |
| 43 | #define CRYPTO_ALG_DYING 0x00000040 |
Herbert Xu | f3f632d | 2006-08-06 23:12:59 +1000 | [diff] [blame] | 44 | #define CRYPTO_ALG_ASYNC 0x00000080 |
Herbert Xu | 2825982 | 2006-08-06 21:23:26 +1000 | [diff] [blame] | 45 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 46 | /* |
Herbert Xu | 6010439 | 2006-08-26 18:34:10 +1000 | [diff] [blame] | 47 | * Set this bit if and only if the algorithm requires another algorithm of |
| 48 | * the same type to handle corner cases. |
| 49 | */ |
| 50 | #define CRYPTO_ALG_NEED_FALLBACK 0x00000100 |
| 51 | |
| 52 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | * Transform masks and values (for crt_flags). |
| 54 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | #define CRYPTO_TFM_REQ_MASK 0x000fff00 |
| 56 | #define CRYPTO_TFM_RES_MASK 0xfff00000 |
| 57 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | #define CRYPTO_TFM_REQ_WEAK_KEY 0x00000100 |
Herbert Xu | 64baf3c | 2005-09-01 17:43:05 -0700 | [diff] [blame] | 59 | #define CRYPTO_TFM_REQ_MAY_SLEEP 0x00000200 |
Herbert Xu | 32e3983 | 2007-03-24 14:35:34 +1100 | [diff] [blame] | 60 | #define CRYPTO_TFM_REQ_MAY_BACKLOG 0x00000400 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | #define CRYPTO_TFM_RES_WEAK_KEY 0x00100000 |
| 62 | #define CRYPTO_TFM_RES_BAD_KEY_LEN 0x00200000 |
| 63 | #define CRYPTO_TFM_RES_BAD_KEY_SCHED 0x00400000 |
| 64 | #define CRYPTO_TFM_RES_BAD_BLOCK_LEN 0x00800000 |
| 65 | #define CRYPTO_TFM_RES_BAD_FLAGS 0x01000000 |
| 66 | |
| 67 | /* |
| 68 | * Miscellaneous stuff. |
| 69 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | #define CRYPTO_MAX_ALG_NAME 64 |
| 71 | |
Herbert Xu | 7991110 | 2006-08-21 21:03:52 +1000 | [diff] [blame] | 72 | /* |
| 73 | * The macro CRYPTO_MINALIGN_ATTR (along with the void * type in the actual |
| 74 | * declaration) is used to ensure that the crypto_tfm context structure is |
| 75 | * aligned correctly for the given architecture so that there are no alignment |
| 76 | * faults for C data types. In particular, this is required on platforms such |
| 77 | * as arm where pointers are 32-bit aligned but there are data types such as |
| 78 | * u64 which require 64-bit alignment. |
| 79 | */ |
| 80 | #if defined(ARCH_KMALLOC_MINALIGN) |
| 81 | #define CRYPTO_MINALIGN ARCH_KMALLOC_MINALIGN |
| 82 | #elif defined(ARCH_SLAB_MINALIGN) |
| 83 | #define CRYPTO_MINALIGN ARCH_SLAB_MINALIGN |
| 84 | #endif |
| 85 | |
| 86 | #ifdef CRYPTO_MINALIGN |
| 87 | #define CRYPTO_MINALIGN_ATTR __attribute__ ((__aligned__(CRYPTO_MINALIGN))) |
| 88 | #else |
| 89 | #define CRYPTO_MINALIGN_ATTR |
| 90 | #endif |
| 91 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 92 | struct scatterlist; |
Herbert Xu | 32e3983 | 2007-03-24 14:35:34 +1100 | [diff] [blame] | 93 | struct crypto_ablkcipher; |
| 94 | struct crypto_async_request; |
Herbert Xu | 1ae9782 | 2007-08-30 15:36:14 +0800 | [diff] [blame] | 95 | struct crypto_aead; |
Herbert Xu | 5cde0af | 2006-08-22 00:07:53 +1000 | [diff] [blame] | 96 | struct crypto_blkcipher; |
Herbert Xu | 055bcee | 2006-08-19 22:24:23 +1000 | [diff] [blame] | 97 | struct crypto_hash; |
Herbert Xu | 4072518 | 2005-07-06 13:51:52 -0700 | [diff] [blame] | 98 | struct crypto_tfm; |
Herbert Xu | e853c3c | 2006-08-22 00:06:54 +1000 | [diff] [blame] | 99 | struct crypto_type; |
Herbert Xu | 4072518 | 2005-07-06 13:51:52 -0700 | [diff] [blame] | 100 | |
Herbert Xu | 32e3983 | 2007-03-24 14:35:34 +1100 | [diff] [blame] | 101 | typedef void (*crypto_completion_t)(struct crypto_async_request *req, int err); |
| 102 | |
| 103 | struct crypto_async_request { |
| 104 | struct list_head list; |
| 105 | crypto_completion_t complete; |
| 106 | void *data; |
| 107 | struct crypto_tfm *tfm; |
| 108 | |
| 109 | u32 flags; |
| 110 | }; |
| 111 | |
| 112 | struct ablkcipher_request { |
| 113 | struct crypto_async_request base; |
| 114 | |
| 115 | unsigned int nbytes; |
| 116 | |
| 117 | void *info; |
| 118 | |
| 119 | struct scatterlist *src; |
| 120 | struct scatterlist *dst; |
| 121 | |
| 122 | void *__ctx[] CRYPTO_MINALIGN_ATTR; |
| 123 | }; |
| 124 | |
Herbert Xu | 1ae9782 | 2007-08-30 15:36:14 +0800 | [diff] [blame] | 125 | /** |
| 126 | * struct aead_request - AEAD request |
| 127 | * @base: Common attributes for async crypto requests |
| 128 | * @assoclen: Length in bytes of associated data for authentication |
| 129 | * @cryptlen: Length of data to be encrypted or decrypted |
| 130 | * @iv: Initialisation vector |
| 131 | * @assoc: Associated data |
| 132 | * @src: Source data |
| 133 | * @dst: Destination data |
| 134 | * @__ctx: Start of private context data |
| 135 | */ |
| 136 | struct aead_request { |
| 137 | struct crypto_async_request base; |
| 138 | |
| 139 | unsigned int assoclen; |
| 140 | unsigned int cryptlen; |
| 141 | |
| 142 | u8 *iv; |
| 143 | |
| 144 | struct scatterlist *assoc; |
| 145 | struct scatterlist *src; |
| 146 | struct scatterlist *dst; |
| 147 | |
| 148 | void *__ctx[] CRYPTO_MINALIGN_ATTR; |
| 149 | }; |
| 150 | |
Herbert Xu | 5cde0af | 2006-08-22 00:07:53 +1000 | [diff] [blame] | 151 | struct blkcipher_desc { |
| 152 | struct crypto_blkcipher *tfm; |
| 153 | void *info; |
| 154 | u32 flags; |
| 155 | }; |
| 156 | |
Herbert Xu | 4072518 | 2005-07-06 13:51:52 -0700 | [diff] [blame] | 157 | struct cipher_desc { |
| 158 | struct crypto_tfm *tfm; |
Herbert Xu | 6c2bb98 | 2006-05-16 22:09:29 +1000 | [diff] [blame] | 159 | void (*crfn)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
Herbert Xu | 4072518 | 2005-07-06 13:51:52 -0700 | [diff] [blame] | 160 | unsigned int (*prfn)(const struct cipher_desc *desc, u8 *dst, |
| 161 | const u8 *src, unsigned int nbytes); |
| 162 | void *info; |
| 163 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | |
Herbert Xu | 055bcee | 2006-08-19 22:24:23 +1000 | [diff] [blame] | 165 | struct hash_desc { |
| 166 | struct crypto_hash *tfm; |
| 167 | u32 flags; |
| 168 | }; |
| 169 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 170 | /* |
| 171 | * Algorithms: modular crypto algorithm implementations, managed |
| 172 | * via crypto_register_alg() and crypto_unregister_alg(). |
| 173 | */ |
Herbert Xu | b5b7f08 | 2007-04-16 20:48:54 +1000 | [diff] [blame] | 174 | struct ablkcipher_alg { |
| 175 | int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key, |
| 176 | unsigned int keylen); |
| 177 | int (*encrypt)(struct ablkcipher_request *req); |
| 178 | int (*decrypt)(struct ablkcipher_request *req); |
| 179 | |
Herbert Xu | b5b7f08 | 2007-04-16 20:48:54 +1000 | [diff] [blame] | 180 | unsigned int min_keysize; |
| 181 | unsigned int max_keysize; |
| 182 | unsigned int ivsize; |
| 183 | }; |
| 184 | |
Herbert Xu | 1ae9782 | 2007-08-30 15:36:14 +0800 | [diff] [blame] | 185 | struct aead_alg { |
| 186 | int (*setkey)(struct crypto_aead *tfm, const u8 *key, |
| 187 | unsigned int keylen); |
| 188 | int (*encrypt)(struct aead_request *req); |
| 189 | int (*decrypt)(struct aead_request *req); |
| 190 | |
| 191 | unsigned int ivsize; |
| 192 | unsigned int authsize; |
| 193 | }; |
| 194 | |
Herbert Xu | 5cde0af | 2006-08-22 00:07:53 +1000 | [diff] [blame] | 195 | struct blkcipher_alg { |
| 196 | int (*setkey)(struct crypto_tfm *tfm, const u8 *key, |
| 197 | unsigned int keylen); |
| 198 | int (*encrypt)(struct blkcipher_desc *desc, |
| 199 | struct scatterlist *dst, struct scatterlist *src, |
| 200 | unsigned int nbytes); |
| 201 | int (*decrypt)(struct blkcipher_desc *desc, |
| 202 | struct scatterlist *dst, struct scatterlist *src, |
| 203 | unsigned int nbytes); |
| 204 | |
| 205 | unsigned int min_keysize; |
| 206 | unsigned int max_keysize; |
| 207 | unsigned int ivsize; |
| 208 | }; |
| 209 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 210 | struct cipher_alg { |
| 211 | unsigned int cia_min_keysize; |
| 212 | unsigned int cia_max_keysize; |
Herbert Xu | 6c2bb98 | 2006-05-16 22:09:29 +1000 | [diff] [blame] | 213 | int (*cia_setkey)(struct crypto_tfm *tfm, const u8 *key, |
Herbert Xu | 560c06a | 2006-08-13 14:16:39 +1000 | [diff] [blame] | 214 | unsigned int keylen); |
Herbert Xu | 6c2bb98 | 2006-05-16 22:09:29 +1000 | [diff] [blame] | 215 | void (*cia_encrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
| 216 | void (*cia_decrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 217 | }; |
| 218 | |
| 219 | struct digest_alg { |
| 220 | unsigned int dia_digestsize; |
Herbert Xu | 6c2bb98 | 2006-05-16 22:09:29 +1000 | [diff] [blame] | 221 | void (*dia_init)(struct crypto_tfm *tfm); |
| 222 | void (*dia_update)(struct crypto_tfm *tfm, const u8 *data, |
| 223 | unsigned int len); |
| 224 | void (*dia_final)(struct crypto_tfm *tfm, u8 *out); |
| 225 | int (*dia_setkey)(struct crypto_tfm *tfm, const u8 *key, |
Herbert Xu | 560c06a | 2006-08-13 14:16:39 +1000 | [diff] [blame] | 226 | unsigned int keylen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 227 | }; |
| 228 | |
Herbert Xu | 055bcee | 2006-08-19 22:24:23 +1000 | [diff] [blame] | 229 | struct hash_alg { |
| 230 | int (*init)(struct hash_desc *desc); |
| 231 | int (*update)(struct hash_desc *desc, struct scatterlist *sg, |
| 232 | unsigned int nbytes); |
| 233 | int (*final)(struct hash_desc *desc, u8 *out); |
| 234 | int (*digest)(struct hash_desc *desc, struct scatterlist *sg, |
| 235 | unsigned int nbytes, u8 *out); |
| 236 | int (*setkey)(struct crypto_hash *tfm, const u8 *key, |
| 237 | unsigned int keylen); |
| 238 | |
| 239 | unsigned int digestsize; |
| 240 | }; |
| 241 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 242 | struct compress_alg { |
Herbert Xu | 6c2bb98 | 2006-05-16 22:09:29 +1000 | [diff] [blame] | 243 | int (*coa_compress)(struct crypto_tfm *tfm, const u8 *src, |
| 244 | unsigned int slen, u8 *dst, unsigned int *dlen); |
| 245 | int (*coa_decompress)(struct crypto_tfm *tfm, const u8 *src, |
| 246 | unsigned int slen, u8 *dst, unsigned int *dlen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 247 | }; |
| 248 | |
Herbert Xu | b5b7f08 | 2007-04-16 20:48:54 +1000 | [diff] [blame] | 249 | #define cra_ablkcipher cra_u.ablkcipher |
Herbert Xu | 1ae9782 | 2007-08-30 15:36:14 +0800 | [diff] [blame] | 250 | #define cra_aead cra_u.aead |
Herbert Xu | 5cde0af | 2006-08-22 00:07:53 +1000 | [diff] [blame] | 251 | #define cra_blkcipher cra_u.blkcipher |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 252 | #define cra_cipher cra_u.cipher |
| 253 | #define cra_digest cra_u.digest |
Herbert Xu | 055bcee | 2006-08-19 22:24:23 +1000 | [diff] [blame] | 254 | #define cra_hash cra_u.hash |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 255 | #define cra_compress cra_u.compress |
| 256 | |
| 257 | struct crypto_alg { |
| 258 | struct list_head cra_list; |
Herbert Xu | 6bfd480 | 2006-09-21 11:39:29 +1000 | [diff] [blame] | 259 | struct list_head cra_users; |
| 260 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 261 | u32 cra_flags; |
| 262 | unsigned int cra_blocksize; |
| 263 | unsigned int cra_ctxsize; |
Herbert Xu | 9547737 | 2005-07-06 13:52:09 -0700 | [diff] [blame] | 264 | unsigned int cra_alignmask; |
Herbert Xu | 5cb1454 | 2005-11-05 16:58:14 +1100 | [diff] [blame] | 265 | |
| 266 | int cra_priority; |
Herbert Xu | 6521f30 | 2006-08-06 20:28:44 +1000 | [diff] [blame] | 267 | atomic_t cra_refcnt; |
Herbert Xu | 5cb1454 | 2005-11-05 16:58:14 +1100 | [diff] [blame] | 268 | |
Herbert Xu | d913ea0 | 2006-05-21 08:45:26 +1000 | [diff] [blame] | 269 | char cra_name[CRYPTO_MAX_ALG_NAME]; |
| 270 | char cra_driver_name[CRYPTO_MAX_ALG_NAME]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 271 | |
Herbert Xu | e853c3c | 2006-08-22 00:06:54 +1000 | [diff] [blame] | 272 | const struct crypto_type *cra_type; |
| 273 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 274 | union { |
Herbert Xu | b5b7f08 | 2007-04-16 20:48:54 +1000 | [diff] [blame] | 275 | struct ablkcipher_alg ablkcipher; |
Herbert Xu | 1ae9782 | 2007-08-30 15:36:14 +0800 | [diff] [blame] | 276 | struct aead_alg aead; |
Herbert Xu | 5cde0af | 2006-08-22 00:07:53 +1000 | [diff] [blame] | 277 | struct blkcipher_alg blkcipher; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 278 | struct cipher_alg cipher; |
| 279 | struct digest_alg digest; |
Herbert Xu | 055bcee | 2006-08-19 22:24:23 +1000 | [diff] [blame] | 280 | struct hash_alg hash; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 281 | struct compress_alg compress; |
| 282 | } cra_u; |
Herbert Xu | c7fc059 | 2006-05-24 13:02:26 +1000 | [diff] [blame] | 283 | |
| 284 | int (*cra_init)(struct crypto_tfm *tfm); |
| 285 | void (*cra_exit)(struct crypto_tfm *tfm); |
Herbert Xu | 6521f30 | 2006-08-06 20:28:44 +1000 | [diff] [blame] | 286 | void (*cra_destroy)(struct crypto_alg *alg); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 287 | |
| 288 | struct module *cra_module; |
| 289 | }; |
| 290 | |
| 291 | /* |
| 292 | * Algorithm registration interface. |
| 293 | */ |
| 294 | int crypto_register_alg(struct crypto_alg *alg); |
| 295 | int crypto_unregister_alg(struct crypto_alg *alg); |
| 296 | |
| 297 | /* |
| 298 | * Algorithm query interface. |
| 299 | */ |
| 300 | #ifdef CONFIG_CRYPTO |
Herbert Xu | fce32d7 | 2006-08-26 17:35:45 +1000 | [diff] [blame] | 301 | int crypto_has_alg(const char *name, u32 type, u32 mask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 302 | #else |
Herbert Xu | fce32d7 | 2006-08-26 17:35:45 +1000 | [diff] [blame] | 303 | static inline int crypto_has_alg(const char *name, u32 type, u32 mask) |
| 304 | { |
| 305 | return 0; |
| 306 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 307 | #endif |
| 308 | |
| 309 | /* |
| 310 | * Transforms: user-instantiated objects which encapsulate algorithms |
Herbert Xu | 6d7d684 | 2006-07-30 11:53:01 +1000 | [diff] [blame] | 311 | * and core processing logic. Managed via crypto_alloc_*() and |
| 312 | * crypto_free_*(), as well as the various helpers below. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 313 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 314 | |
Herbert Xu | 32e3983 | 2007-03-24 14:35:34 +1100 | [diff] [blame] | 315 | struct ablkcipher_tfm { |
| 316 | int (*setkey)(struct crypto_ablkcipher *tfm, const u8 *key, |
| 317 | unsigned int keylen); |
| 318 | int (*encrypt)(struct ablkcipher_request *req); |
| 319 | int (*decrypt)(struct ablkcipher_request *req); |
| 320 | unsigned int ivsize; |
| 321 | unsigned int reqsize; |
| 322 | }; |
| 323 | |
Herbert Xu | 1ae9782 | 2007-08-30 15:36:14 +0800 | [diff] [blame] | 324 | struct aead_tfm { |
| 325 | int (*setkey)(struct crypto_aead *tfm, const u8 *key, |
| 326 | unsigned int keylen); |
| 327 | int (*encrypt)(struct aead_request *req); |
| 328 | int (*decrypt)(struct aead_request *req); |
| 329 | unsigned int ivsize; |
| 330 | unsigned int authsize; |
| 331 | unsigned int reqsize; |
| 332 | }; |
| 333 | |
Herbert Xu | 5cde0af | 2006-08-22 00:07:53 +1000 | [diff] [blame] | 334 | struct blkcipher_tfm { |
| 335 | void *iv; |
| 336 | int (*setkey)(struct crypto_tfm *tfm, const u8 *key, |
| 337 | unsigned int keylen); |
| 338 | int (*encrypt)(struct blkcipher_desc *desc, struct scatterlist *dst, |
| 339 | struct scatterlist *src, unsigned int nbytes); |
| 340 | int (*decrypt)(struct blkcipher_desc *desc, struct scatterlist *dst, |
| 341 | struct scatterlist *src, unsigned int nbytes); |
| 342 | }; |
| 343 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 344 | struct cipher_tfm { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 345 | int (*cit_setkey)(struct crypto_tfm *tfm, |
| 346 | const u8 *key, unsigned int keylen); |
Herbert Xu | f28776a | 2006-08-13 20:58:18 +1000 | [diff] [blame] | 347 | void (*cit_encrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
| 348 | void (*cit_decrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 349 | }; |
| 350 | |
Herbert Xu | 055bcee | 2006-08-19 22:24:23 +1000 | [diff] [blame] | 351 | struct hash_tfm { |
| 352 | int (*init)(struct hash_desc *desc); |
| 353 | int (*update)(struct hash_desc *desc, |
| 354 | struct scatterlist *sg, unsigned int nsg); |
| 355 | int (*final)(struct hash_desc *desc, u8 *out); |
| 356 | int (*digest)(struct hash_desc *desc, struct scatterlist *sg, |
| 357 | unsigned int nsg, u8 *out); |
| 358 | int (*setkey)(struct crypto_hash *tfm, const u8 *key, |
| 359 | unsigned int keylen); |
Herbert Xu | 055bcee | 2006-08-19 22:24:23 +1000 | [diff] [blame] | 360 | unsigned int digestsize; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 361 | }; |
| 362 | |
| 363 | struct compress_tfm { |
| 364 | int (*cot_compress)(struct crypto_tfm *tfm, |
| 365 | const u8 *src, unsigned int slen, |
| 366 | u8 *dst, unsigned int *dlen); |
| 367 | int (*cot_decompress)(struct crypto_tfm *tfm, |
| 368 | const u8 *src, unsigned int slen, |
| 369 | u8 *dst, unsigned int *dlen); |
| 370 | }; |
| 371 | |
Herbert Xu | 32e3983 | 2007-03-24 14:35:34 +1100 | [diff] [blame] | 372 | #define crt_ablkcipher crt_u.ablkcipher |
Herbert Xu | 1ae9782 | 2007-08-30 15:36:14 +0800 | [diff] [blame] | 373 | #define crt_aead crt_u.aead |
Herbert Xu | 5cde0af | 2006-08-22 00:07:53 +1000 | [diff] [blame] | 374 | #define crt_blkcipher crt_u.blkcipher |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 375 | #define crt_cipher crt_u.cipher |
Herbert Xu | 055bcee | 2006-08-19 22:24:23 +1000 | [diff] [blame] | 376 | #define crt_hash crt_u.hash |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 377 | #define crt_compress crt_u.compress |
| 378 | |
| 379 | struct crypto_tfm { |
| 380 | |
| 381 | u32 crt_flags; |
| 382 | |
| 383 | union { |
Herbert Xu | 32e3983 | 2007-03-24 14:35:34 +1100 | [diff] [blame] | 384 | struct ablkcipher_tfm ablkcipher; |
Herbert Xu | 1ae9782 | 2007-08-30 15:36:14 +0800 | [diff] [blame] | 385 | struct aead_tfm aead; |
Herbert Xu | 5cde0af | 2006-08-22 00:07:53 +1000 | [diff] [blame] | 386 | struct blkcipher_tfm blkcipher; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 387 | struct cipher_tfm cipher; |
Herbert Xu | 055bcee | 2006-08-19 22:24:23 +1000 | [diff] [blame] | 388 | struct hash_tfm hash; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 389 | struct compress_tfm compress; |
| 390 | } crt_u; |
| 391 | |
| 392 | struct crypto_alg *__crt_alg; |
Herbert Xu | f10b789 | 2006-01-25 22:34:01 +1100 | [diff] [blame] | 393 | |
Herbert Xu | 7991110 | 2006-08-21 21:03:52 +1000 | [diff] [blame] | 394 | void *__crt_ctx[] CRYPTO_MINALIGN_ATTR; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 395 | }; |
| 396 | |
Herbert Xu | 32e3983 | 2007-03-24 14:35:34 +1100 | [diff] [blame] | 397 | struct crypto_ablkcipher { |
| 398 | struct crypto_tfm base; |
| 399 | }; |
| 400 | |
Herbert Xu | 1ae9782 | 2007-08-30 15:36:14 +0800 | [diff] [blame] | 401 | struct crypto_aead { |
| 402 | struct crypto_tfm base; |
| 403 | }; |
| 404 | |
Herbert Xu | 5cde0af | 2006-08-22 00:07:53 +1000 | [diff] [blame] | 405 | struct crypto_blkcipher { |
| 406 | struct crypto_tfm base; |
| 407 | }; |
| 408 | |
Herbert Xu | 78a1fe4 | 2006-12-24 10:02:00 +1100 | [diff] [blame] | 409 | struct crypto_cipher { |
| 410 | struct crypto_tfm base; |
| 411 | }; |
| 412 | |
| 413 | struct crypto_comp { |
| 414 | struct crypto_tfm base; |
| 415 | }; |
| 416 | |
Herbert Xu | 055bcee | 2006-08-19 22:24:23 +1000 | [diff] [blame] | 417 | struct crypto_hash { |
| 418 | struct crypto_tfm base; |
| 419 | }; |
| 420 | |
Herbert Xu | 2b8c19d | 2006-09-21 11:31:44 +1000 | [diff] [blame] | 421 | enum { |
| 422 | CRYPTOA_UNSPEC, |
| 423 | CRYPTOA_ALG, |
Herbert Xu | ebc610e | 2007-01-01 18:37:02 +1100 | [diff] [blame] | 424 | CRYPTOA_TYPE, |
Herbert Xu | 39e1ee01 | 2007-08-29 19:27:26 +0800 | [diff] [blame] | 425 | CRYPTOA_U32, |
Herbert Xu | ebc610e | 2007-01-01 18:37:02 +1100 | [diff] [blame] | 426 | __CRYPTOA_MAX, |
Herbert Xu | 2b8c19d | 2006-09-21 11:31:44 +1000 | [diff] [blame] | 427 | }; |
| 428 | |
Herbert Xu | ebc610e | 2007-01-01 18:37:02 +1100 | [diff] [blame] | 429 | #define CRYPTOA_MAX (__CRYPTOA_MAX - 1) |
| 430 | |
Herbert Xu | 39e1ee01 | 2007-08-29 19:27:26 +0800 | [diff] [blame] | 431 | /* Maximum number of (rtattr) parameters for each template. */ |
| 432 | #define CRYPTO_MAX_ATTRS 32 |
| 433 | |
Herbert Xu | 2b8c19d | 2006-09-21 11:31:44 +1000 | [diff] [blame] | 434 | struct crypto_attr_alg { |
| 435 | char name[CRYPTO_MAX_ALG_NAME]; |
| 436 | }; |
| 437 | |
Herbert Xu | ebc610e | 2007-01-01 18:37:02 +1100 | [diff] [blame] | 438 | struct crypto_attr_type { |
| 439 | u32 type; |
| 440 | u32 mask; |
| 441 | }; |
| 442 | |
Herbert Xu | 39e1ee01 | 2007-08-29 19:27:26 +0800 | [diff] [blame] | 443 | struct crypto_attr_u32 { |
| 444 | u32 num; |
| 445 | }; |
| 446 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 447 | /* |
| 448 | * Transform user interface. |
| 449 | */ |
| 450 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 451 | struct crypto_tfm *crypto_alloc_tfm(const char *alg_name, u32 tfm_flags); |
Herbert Xu | 6d7d684 | 2006-07-30 11:53:01 +1000 | [diff] [blame] | 452 | struct crypto_tfm *crypto_alloc_base(const char *alg_name, u32 type, u32 mask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 453 | void crypto_free_tfm(struct crypto_tfm *tfm); |
| 454 | |
| 455 | /* |
| 456 | * Transform helpers which query the underlying algorithm. |
| 457 | */ |
| 458 | static inline const char *crypto_tfm_alg_name(struct crypto_tfm *tfm) |
| 459 | { |
| 460 | return tfm->__crt_alg->cra_name; |
| 461 | } |
| 462 | |
Michal Ludvig | b14cdd6 | 2006-07-09 09:02:24 +1000 | [diff] [blame] | 463 | static inline const char *crypto_tfm_alg_driver_name(struct crypto_tfm *tfm) |
| 464 | { |
| 465 | return tfm->__crt_alg->cra_driver_name; |
| 466 | } |
| 467 | |
| 468 | static inline int crypto_tfm_alg_priority(struct crypto_tfm *tfm) |
| 469 | { |
| 470 | return tfm->__crt_alg->cra_priority; |
| 471 | } |
| 472 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 473 | static inline const char *crypto_tfm_alg_modname(struct crypto_tfm *tfm) |
| 474 | { |
| 475 | return module_name(tfm->__crt_alg->cra_module); |
| 476 | } |
| 477 | |
| 478 | static inline u32 crypto_tfm_alg_type(struct crypto_tfm *tfm) |
| 479 | { |
| 480 | return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK; |
| 481 | } |
| 482 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 483 | static inline unsigned int crypto_tfm_alg_blocksize(struct crypto_tfm *tfm) |
| 484 | { |
| 485 | return tfm->__crt_alg->cra_blocksize; |
| 486 | } |
| 487 | |
Herbert Xu | fbdae9f | 2005-07-06 13:53:29 -0700 | [diff] [blame] | 488 | static inline unsigned int crypto_tfm_alg_alignmask(struct crypto_tfm *tfm) |
| 489 | { |
| 490 | return tfm->__crt_alg->cra_alignmask; |
| 491 | } |
| 492 | |
Herbert Xu | f28776a | 2006-08-13 20:58:18 +1000 | [diff] [blame] | 493 | static inline u32 crypto_tfm_get_flags(struct crypto_tfm *tfm) |
| 494 | { |
| 495 | return tfm->crt_flags; |
| 496 | } |
| 497 | |
| 498 | static inline void crypto_tfm_set_flags(struct crypto_tfm *tfm, u32 flags) |
| 499 | { |
| 500 | tfm->crt_flags |= flags; |
| 501 | } |
| 502 | |
| 503 | static inline void crypto_tfm_clear_flags(struct crypto_tfm *tfm, u32 flags) |
| 504 | { |
| 505 | tfm->crt_flags &= ~flags; |
| 506 | } |
| 507 | |
Herbert Xu | 4072518 | 2005-07-06 13:51:52 -0700 | [diff] [blame] | 508 | static inline void *crypto_tfm_ctx(struct crypto_tfm *tfm) |
| 509 | { |
Herbert Xu | f10b789 | 2006-01-25 22:34:01 +1100 | [diff] [blame] | 510 | return tfm->__crt_ctx; |
| 511 | } |
| 512 | |
| 513 | static inline unsigned int crypto_tfm_ctx_alignment(void) |
| 514 | { |
| 515 | struct crypto_tfm *tfm; |
| 516 | return __alignof__(tfm->__crt_ctx); |
Herbert Xu | 4072518 | 2005-07-06 13:51:52 -0700 | [diff] [blame] | 517 | } |
| 518 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 519 | /* |
| 520 | * API wrappers. |
| 521 | */ |
Herbert Xu | 32e3983 | 2007-03-24 14:35:34 +1100 | [diff] [blame] | 522 | static inline struct crypto_ablkcipher *__crypto_ablkcipher_cast( |
| 523 | struct crypto_tfm *tfm) |
| 524 | { |
| 525 | return (struct crypto_ablkcipher *)tfm; |
| 526 | } |
| 527 | |
| 528 | static inline struct crypto_ablkcipher *crypto_alloc_ablkcipher( |
| 529 | const char *alg_name, u32 type, u32 mask) |
| 530 | { |
| 531 | type &= ~CRYPTO_ALG_TYPE_MASK; |
| 532 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
| 533 | mask |= CRYPTO_ALG_TYPE_MASK; |
| 534 | |
| 535 | return __crypto_ablkcipher_cast( |
| 536 | crypto_alloc_base(alg_name, type, mask)); |
| 537 | } |
| 538 | |
| 539 | static inline struct crypto_tfm *crypto_ablkcipher_tfm( |
| 540 | struct crypto_ablkcipher *tfm) |
| 541 | { |
| 542 | return &tfm->base; |
| 543 | } |
| 544 | |
| 545 | static inline void crypto_free_ablkcipher(struct crypto_ablkcipher *tfm) |
| 546 | { |
| 547 | crypto_free_tfm(crypto_ablkcipher_tfm(tfm)); |
| 548 | } |
| 549 | |
| 550 | static inline int crypto_has_ablkcipher(const char *alg_name, u32 type, |
| 551 | u32 mask) |
| 552 | { |
| 553 | type &= ~CRYPTO_ALG_TYPE_MASK; |
| 554 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
| 555 | mask |= CRYPTO_ALG_TYPE_MASK; |
| 556 | |
| 557 | return crypto_has_alg(alg_name, type, mask); |
| 558 | } |
| 559 | |
| 560 | static inline struct ablkcipher_tfm *crypto_ablkcipher_crt( |
| 561 | struct crypto_ablkcipher *tfm) |
| 562 | { |
| 563 | return &crypto_ablkcipher_tfm(tfm)->crt_ablkcipher; |
| 564 | } |
| 565 | |
| 566 | static inline unsigned int crypto_ablkcipher_ivsize( |
| 567 | struct crypto_ablkcipher *tfm) |
| 568 | { |
| 569 | return crypto_ablkcipher_crt(tfm)->ivsize; |
| 570 | } |
| 571 | |
| 572 | static inline unsigned int crypto_ablkcipher_blocksize( |
| 573 | struct crypto_ablkcipher *tfm) |
| 574 | { |
| 575 | return crypto_tfm_alg_blocksize(crypto_ablkcipher_tfm(tfm)); |
| 576 | } |
| 577 | |
| 578 | static inline unsigned int crypto_ablkcipher_alignmask( |
| 579 | struct crypto_ablkcipher *tfm) |
| 580 | { |
| 581 | return crypto_tfm_alg_alignmask(crypto_ablkcipher_tfm(tfm)); |
| 582 | } |
| 583 | |
| 584 | static inline u32 crypto_ablkcipher_get_flags(struct crypto_ablkcipher *tfm) |
| 585 | { |
| 586 | return crypto_tfm_get_flags(crypto_ablkcipher_tfm(tfm)); |
| 587 | } |
| 588 | |
| 589 | static inline void crypto_ablkcipher_set_flags(struct crypto_ablkcipher *tfm, |
| 590 | u32 flags) |
| 591 | { |
| 592 | crypto_tfm_set_flags(crypto_ablkcipher_tfm(tfm), flags); |
| 593 | } |
| 594 | |
| 595 | static inline void crypto_ablkcipher_clear_flags(struct crypto_ablkcipher *tfm, |
| 596 | u32 flags) |
| 597 | { |
| 598 | crypto_tfm_clear_flags(crypto_ablkcipher_tfm(tfm), flags); |
| 599 | } |
| 600 | |
| 601 | static inline int crypto_ablkcipher_setkey(struct crypto_ablkcipher *tfm, |
| 602 | const u8 *key, unsigned int keylen) |
| 603 | { |
| 604 | return crypto_ablkcipher_crt(tfm)->setkey(tfm, key, keylen); |
| 605 | } |
| 606 | |
| 607 | static inline struct crypto_ablkcipher *crypto_ablkcipher_reqtfm( |
| 608 | struct ablkcipher_request *req) |
| 609 | { |
| 610 | return __crypto_ablkcipher_cast(req->base.tfm); |
| 611 | } |
| 612 | |
| 613 | static inline int crypto_ablkcipher_encrypt(struct ablkcipher_request *req) |
| 614 | { |
| 615 | struct ablkcipher_tfm *crt = |
| 616 | crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); |
| 617 | return crt->encrypt(req); |
| 618 | } |
| 619 | |
| 620 | static inline int crypto_ablkcipher_decrypt(struct ablkcipher_request *req) |
| 621 | { |
| 622 | struct ablkcipher_tfm *crt = |
| 623 | crypto_ablkcipher_crt(crypto_ablkcipher_reqtfm(req)); |
| 624 | return crt->decrypt(req); |
| 625 | } |
| 626 | |
Herbert Xu | b16c3a2 | 2007-08-29 19:02:04 +0800 | [diff] [blame] | 627 | static inline unsigned int crypto_ablkcipher_reqsize( |
| 628 | struct crypto_ablkcipher *tfm) |
Herbert Xu | 32e3983 | 2007-03-24 14:35:34 +1100 | [diff] [blame] | 629 | { |
| 630 | return crypto_ablkcipher_crt(tfm)->reqsize; |
| 631 | } |
| 632 | |
Herbert Xu | e196d62 | 2007-04-14 16:09:14 +1000 | [diff] [blame] | 633 | static inline void ablkcipher_request_set_tfm( |
| 634 | struct ablkcipher_request *req, struct crypto_ablkcipher *tfm) |
| 635 | { |
| 636 | req->base.tfm = crypto_ablkcipher_tfm(tfm); |
| 637 | } |
| 638 | |
Herbert Xu | b5b7f08 | 2007-04-16 20:48:54 +1000 | [diff] [blame] | 639 | static inline struct ablkcipher_request *ablkcipher_request_cast( |
| 640 | struct crypto_async_request *req) |
| 641 | { |
| 642 | return container_of(req, struct ablkcipher_request, base); |
| 643 | } |
| 644 | |
Herbert Xu | 32e3983 | 2007-03-24 14:35:34 +1100 | [diff] [blame] | 645 | static inline struct ablkcipher_request *ablkcipher_request_alloc( |
| 646 | struct crypto_ablkcipher *tfm, gfp_t gfp) |
| 647 | { |
| 648 | struct ablkcipher_request *req; |
| 649 | |
| 650 | req = kmalloc(sizeof(struct ablkcipher_request) + |
| 651 | crypto_ablkcipher_reqsize(tfm), gfp); |
| 652 | |
| 653 | if (likely(req)) |
Herbert Xu | e196d62 | 2007-04-14 16:09:14 +1000 | [diff] [blame] | 654 | ablkcipher_request_set_tfm(req, tfm); |
Herbert Xu | 32e3983 | 2007-03-24 14:35:34 +1100 | [diff] [blame] | 655 | |
| 656 | return req; |
| 657 | } |
| 658 | |
| 659 | static inline void ablkcipher_request_free(struct ablkcipher_request *req) |
| 660 | { |
| 661 | kfree(req); |
| 662 | } |
| 663 | |
| 664 | static inline void ablkcipher_request_set_callback( |
| 665 | struct ablkcipher_request *req, |
| 666 | u32 flags, crypto_completion_t complete, void *data) |
| 667 | { |
| 668 | req->base.complete = complete; |
| 669 | req->base.data = data; |
| 670 | req->base.flags = flags; |
| 671 | } |
| 672 | |
| 673 | static inline void ablkcipher_request_set_crypt( |
| 674 | struct ablkcipher_request *req, |
| 675 | struct scatterlist *src, struct scatterlist *dst, |
| 676 | unsigned int nbytes, void *iv) |
| 677 | { |
| 678 | req->src = src; |
| 679 | req->dst = dst; |
| 680 | req->nbytes = nbytes; |
| 681 | req->info = iv; |
| 682 | } |
| 683 | |
Herbert Xu | 1ae9782 | 2007-08-30 15:36:14 +0800 | [diff] [blame] | 684 | static inline struct crypto_aead *__crypto_aead_cast(struct crypto_tfm *tfm) |
| 685 | { |
| 686 | return (struct crypto_aead *)tfm; |
| 687 | } |
| 688 | |
| 689 | static inline struct crypto_aead *crypto_alloc_aead(const char *alg_name, |
| 690 | u32 type, u32 mask) |
| 691 | { |
| 692 | type &= ~CRYPTO_ALG_TYPE_MASK; |
| 693 | type |= CRYPTO_ALG_TYPE_AEAD; |
| 694 | mask |= CRYPTO_ALG_TYPE_MASK; |
| 695 | |
| 696 | return __crypto_aead_cast(crypto_alloc_base(alg_name, type, mask)); |
| 697 | } |
| 698 | |
| 699 | static inline struct crypto_tfm *crypto_aead_tfm(struct crypto_aead *tfm) |
| 700 | { |
| 701 | return &tfm->base; |
| 702 | } |
| 703 | |
| 704 | static inline void crypto_free_aead(struct crypto_aead *tfm) |
| 705 | { |
| 706 | crypto_free_tfm(crypto_aead_tfm(tfm)); |
| 707 | } |
| 708 | |
| 709 | static inline struct aead_tfm *crypto_aead_crt(struct crypto_aead *tfm) |
| 710 | { |
| 711 | return &crypto_aead_tfm(tfm)->crt_aead; |
| 712 | } |
| 713 | |
| 714 | static inline unsigned int crypto_aead_ivsize(struct crypto_aead *tfm) |
| 715 | { |
| 716 | return crypto_aead_crt(tfm)->ivsize; |
| 717 | } |
| 718 | |
| 719 | static inline unsigned int crypto_aead_authsize(struct crypto_aead *tfm) |
| 720 | { |
| 721 | return crypto_aead_crt(tfm)->authsize; |
| 722 | } |
| 723 | |
| 724 | static inline unsigned int crypto_aead_blocksize(struct crypto_aead *tfm) |
| 725 | { |
| 726 | return crypto_tfm_alg_blocksize(crypto_aead_tfm(tfm)); |
| 727 | } |
| 728 | |
| 729 | static inline unsigned int crypto_aead_alignmask(struct crypto_aead *tfm) |
| 730 | { |
| 731 | return crypto_tfm_alg_alignmask(crypto_aead_tfm(tfm)); |
| 732 | } |
| 733 | |
| 734 | static inline u32 crypto_aead_get_flags(struct crypto_aead *tfm) |
| 735 | { |
| 736 | return crypto_tfm_get_flags(crypto_aead_tfm(tfm)); |
| 737 | } |
| 738 | |
| 739 | static inline void crypto_aead_set_flags(struct crypto_aead *tfm, u32 flags) |
| 740 | { |
| 741 | crypto_tfm_set_flags(crypto_aead_tfm(tfm), flags); |
| 742 | } |
| 743 | |
| 744 | static inline void crypto_aead_clear_flags(struct crypto_aead *tfm, u32 flags) |
| 745 | { |
| 746 | crypto_tfm_clear_flags(crypto_aead_tfm(tfm), flags); |
| 747 | } |
| 748 | |
| 749 | static inline int crypto_aead_setkey(struct crypto_aead *tfm, const u8 *key, |
| 750 | unsigned int keylen) |
| 751 | { |
| 752 | return crypto_aead_crt(tfm)->setkey(tfm, key, keylen); |
| 753 | } |
| 754 | |
| 755 | static inline struct crypto_aead *crypto_aead_reqtfm(struct aead_request *req) |
| 756 | { |
| 757 | return __crypto_aead_cast(req->base.tfm); |
| 758 | } |
| 759 | |
| 760 | static inline int crypto_aead_encrypt(struct aead_request *req) |
| 761 | { |
| 762 | return crypto_aead_crt(crypto_aead_reqtfm(req))->encrypt(req); |
| 763 | } |
| 764 | |
| 765 | static inline int crypto_aead_decrypt(struct aead_request *req) |
| 766 | { |
| 767 | return crypto_aead_crt(crypto_aead_reqtfm(req))->decrypt(req); |
| 768 | } |
| 769 | |
Herbert Xu | b16c3a2 | 2007-08-29 19:02:04 +0800 | [diff] [blame] | 770 | static inline unsigned int crypto_aead_reqsize(struct crypto_aead *tfm) |
Herbert Xu | 1ae9782 | 2007-08-30 15:36:14 +0800 | [diff] [blame] | 771 | { |
| 772 | return crypto_aead_crt(tfm)->reqsize; |
| 773 | } |
| 774 | |
| 775 | static inline void aead_request_set_tfm(struct aead_request *req, |
| 776 | struct crypto_aead *tfm) |
| 777 | { |
| 778 | req->base.tfm = crypto_aead_tfm(tfm); |
| 779 | } |
| 780 | |
| 781 | static inline struct aead_request *aead_request_alloc(struct crypto_aead *tfm, |
| 782 | gfp_t gfp) |
| 783 | { |
| 784 | struct aead_request *req; |
| 785 | |
| 786 | req = kmalloc(sizeof(*req) + crypto_aead_reqsize(tfm), gfp); |
| 787 | |
| 788 | if (likely(req)) |
| 789 | aead_request_set_tfm(req, tfm); |
| 790 | |
| 791 | return req; |
| 792 | } |
| 793 | |
| 794 | static inline void aead_request_free(struct aead_request *req) |
| 795 | { |
| 796 | kfree(req); |
| 797 | } |
| 798 | |
| 799 | static inline void aead_request_set_callback(struct aead_request *req, |
| 800 | u32 flags, |
| 801 | crypto_completion_t complete, |
| 802 | void *data) |
| 803 | { |
| 804 | req->base.complete = complete; |
| 805 | req->base.data = data; |
| 806 | req->base.flags = flags; |
| 807 | } |
| 808 | |
| 809 | static inline void aead_request_set_crypt(struct aead_request *req, |
| 810 | struct scatterlist *src, |
| 811 | struct scatterlist *dst, |
| 812 | unsigned int cryptlen, u8 *iv) |
| 813 | { |
| 814 | req->src = src; |
| 815 | req->dst = dst; |
| 816 | req->cryptlen = cryptlen; |
| 817 | req->iv = iv; |
| 818 | } |
| 819 | |
| 820 | static inline void aead_request_set_assoc(struct aead_request *req, |
| 821 | struct scatterlist *assoc, |
| 822 | unsigned int assoclen) |
| 823 | { |
| 824 | req->assoc = assoc; |
| 825 | req->assoclen = assoclen; |
| 826 | } |
| 827 | |
Herbert Xu | 5cde0af | 2006-08-22 00:07:53 +1000 | [diff] [blame] | 828 | static inline struct crypto_blkcipher *__crypto_blkcipher_cast( |
| 829 | struct crypto_tfm *tfm) |
| 830 | { |
| 831 | return (struct crypto_blkcipher *)tfm; |
| 832 | } |
| 833 | |
| 834 | static inline struct crypto_blkcipher *crypto_blkcipher_cast( |
| 835 | struct crypto_tfm *tfm) |
| 836 | { |
| 837 | BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_BLKCIPHER); |
| 838 | return __crypto_blkcipher_cast(tfm); |
| 839 | } |
| 840 | |
| 841 | static inline struct crypto_blkcipher *crypto_alloc_blkcipher( |
| 842 | const char *alg_name, u32 type, u32 mask) |
| 843 | { |
Herbert Xu | 32e3983 | 2007-03-24 14:35:34 +1100 | [diff] [blame] | 844 | type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC); |
Herbert Xu | 5cde0af | 2006-08-22 00:07:53 +1000 | [diff] [blame] | 845 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
Herbert Xu | 32e3983 | 2007-03-24 14:35:34 +1100 | [diff] [blame] | 846 | mask |= CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC; |
Herbert Xu | 5cde0af | 2006-08-22 00:07:53 +1000 | [diff] [blame] | 847 | |
| 848 | return __crypto_blkcipher_cast(crypto_alloc_base(alg_name, type, mask)); |
| 849 | } |
| 850 | |
| 851 | static inline struct crypto_tfm *crypto_blkcipher_tfm( |
| 852 | struct crypto_blkcipher *tfm) |
| 853 | { |
| 854 | return &tfm->base; |
| 855 | } |
| 856 | |
| 857 | static inline void crypto_free_blkcipher(struct crypto_blkcipher *tfm) |
| 858 | { |
| 859 | crypto_free_tfm(crypto_blkcipher_tfm(tfm)); |
| 860 | } |
| 861 | |
Herbert Xu | fce32d7 | 2006-08-26 17:35:45 +1000 | [diff] [blame] | 862 | static inline int crypto_has_blkcipher(const char *alg_name, u32 type, u32 mask) |
| 863 | { |
Herbert Xu | 32e3983 | 2007-03-24 14:35:34 +1100 | [diff] [blame] | 864 | type &= ~(CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC); |
Herbert Xu | fce32d7 | 2006-08-26 17:35:45 +1000 | [diff] [blame] | 865 | type |= CRYPTO_ALG_TYPE_BLKCIPHER; |
Herbert Xu | 32e3983 | 2007-03-24 14:35:34 +1100 | [diff] [blame] | 866 | mask |= CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC; |
Herbert Xu | fce32d7 | 2006-08-26 17:35:45 +1000 | [diff] [blame] | 867 | |
| 868 | return crypto_has_alg(alg_name, type, mask); |
| 869 | } |
| 870 | |
Herbert Xu | 5cde0af | 2006-08-22 00:07:53 +1000 | [diff] [blame] | 871 | static inline const char *crypto_blkcipher_name(struct crypto_blkcipher *tfm) |
| 872 | { |
| 873 | return crypto_tfm_alg_name(crypto_blkcipher_tfm(tfm)); |
| 874 | } |
| 875 | |
| 876 | static inline struct blkcipher_tfm *crypto_blkcipher_crt( |
| 877 | struct crypto_blkcipher *tfm) |
| 878 | { |
| 879 | return &crypto_blkcipher_tfm(tfm)->crt_blkcipher; |
| 880 | } |
| 881 | |
| 882 | static inline struct blkcipher_alg *crypto_blkcipher_alg( |
| 883 | struct crypto_blkcipher *tfm) |
| 884 | { |
| 885 | return &crypto_blkcipher_tfm(tfm)->__crt_alg->cra_blkcipher; |
| 886 | } |
| 887 | |
| 888 | static inline unsigned int crypto_blkcipher_ivsize(struct crypto_blkcipher *tfm) |
| 889 | { |
| 890 | return crypto_blkcipher_alg(tfm)->ivsize; |
| 891 | } |
| 892 | |
| 893 | static inline unsigned int crypto_blkcipher_blocksize( |
| 894 | struct crypto_blkcipher *tfm) |
| 895 | { |
| 896 | return crypto_tfm_alg_blocksize(crypto_blkcipher_tfm(tfm)); |
| 897 | } |
| 898 | |
| 899 | static inline unsigned int crypto_blkcipher_alignmask( |
| 900 | struct crypto_blkcipher *tfm) |
| 901 | { |
| 902 | return crypto_tfm_alg_alignmask(crypto_blkcipher_tfm(tfm)); |
| 903 | } |
| 904 | |
| 905 | static inline u32 crypto_blkcipher_get_flags(struct crypto_blkcipher *tfm) |
| 906 | { |
| 907 | return crypto_tfm_get_flags(crypto_blkcipher_tfm(tfm)); |
| 908 | } |
| 909 | |
| 910 | static inline void crypto_blkcipher_set_flags(struct crypto_blkcipher *tfm, |
| 911 | u32 flags) |
| 912 | { |
| 913 | crypto_tfm_set_flags(crypto_blkcipher_tfm(tfm), flags); |
| 914 | } |
| 915 | |
| 916 | static inline void crypto_blkcipher_clear_flags(struct crypto_blkcipher *tfm, |
| 917 | u32 flags) |
| 918 | { |
| 919 | crypto_tfm_clear_flags(crypto_blkcipher_tfm(tfm), flags); |
| 920 | } |
| 921 | |
| 922 | static inline int crypto_blkcipher_setkey(struct crypto_blkcipher *tfm, |
| 923 | const u8 *key, unsigned int keylen) |
| 924 | { |
| 925 | return crypto_blkcipher_crt(tfm)->setkey(crypto_blkcipher_tfm(tfm), |
| 926 | key, keylen); |
| 927 | } |
| 928 | |
| 929 | static inline int crypto_blkcipher_encrypt(struct blkcipher_desc *desc, |
| 930 | struct scatterlist *dst, |
| 931 | struct scatterlist *src, |
| 932 | unsigned int nbytes) |
| 933 | { |
| 934 | desc->info = crypto_blkcipher_crt(desc->tfm)->iv; |
| 935 | return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes); |
| 936 | } |
| 937 | |
| 938 | static inline int crypto_blkcipher_encrypt_iv(struct blkcipher_desc *desc, |
| 939 | struct scatterlist *dst, |
| 940 | struct scatterlist *src, |
| 941 | unsigned int nbytes) |
| 942 | { |
| 943 | return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes); |
| 944 | } |
| 945 | |
| 946 | static inline int crypto_blkcipher_decrypt(struct blkcipher_desc *desc, |
| 947 | struct scatterlist *dst, |
| 948 | struct scatterlist *src, |
| 949 | unsigned int nbytes) |
| 950 | { |
| 951 | desc->info = crypto_blkcipher_crt(desc->tfm)->iv; |
| 952 | return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes); |
| 953 | } |
| 954 | |
| 955 | static inline int crypto_blkcipher_decrypt_iv(struct blkcipher_desc *desc, |
| 956 | struct scatterlist *dst, |
| 957 | struct scatterlist *src, |
| 958 | unsigned int nbytes) |
| 959 | { |
| 960 | return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes); |
| 961 | } |
| 962 | |
| 963 | static inline void crypto_blkcipher_set_iv(struct crypto_blkcipher *tfm, |
| 964 | const u8 *src, unsigned int len) |
| 965 | { |
| 966 | memcpy(crypto_blkcipher_crt(tfm)->iv, src, len); |
| 967 | } |
| 968 | |
| 969 | static inline void crypto_blkcipher_get_iv(struct crypto_blkcipher *tfm, |
| 970 | u8 *dst, unsigned int len) |
| 971 | { |
| 972 | memcpy(dst, crypto_blkcipher_crt(tfm)->iv, len); |
| 973 | } |
| 974 | |
Herbert Xu | f28776a | 2006-08-13 20:58:18 +1000 | [diff] [blame] | 975 | static inline struct crypto_cipher *__crypto_cipher_cast(struct crypto_tfm *tfm) |
| 976 | { |
| 977 | return (struct crypto_cipher *)tfm; |
| 978 | } |
| 979 | |
| 980 | static inline struct crypto_cipher *crypto_cipher_cast(struct crypto_tfm *tfm) |
| 981 | { |
| 982 | BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); |
| 983 | return __crypto_cipher_cast(tfm); |
| 984 | } |
| 985 | |
| 986 | static inline struct crypto_cipher *crypto_alloc_cipher(const char *alg_name, |
| 987 | u32 type, u32 mask) |
| 988 | { |
| 989 | type &= ~CRYPTO_ALG_TYPE_MASK; |
| 990 | type |= CRYPTO_ALG_TYPE_CIPHER; |
| 991 | mask |= CRYPTO_ALG_TYPE_MASK; |
| 992 | |
| 993 | return __crypto_cipher_cast(crypto_alloc_base(alg_name, type, mask)); |
| 994 | } |
| 995 | |
| 996 | static inline struct crypto_tfm *crypto_cipher_tfm(struct crypto_cipher *tfm) |
| 997 | { |
Herbert Xu | 78a1fe4 | 2006-12-24 10:02:00 +1100 | [diff] [blame] | 998 | return &tfm->base; |
Herbert Xu | f28776a | 2006-08-13 20:58:18 +1000 | [diff] [blame] | 999 | } |
| 1000 | |
| 1001 | static inline void crypto_free_cipher(struct crypto_cipher *tfm) |
| 1002 | { |
| 1003 | crypto_free_tfm(crypto_cipher_tfm(tfm)); |
| 1004 | } |
| 1005 | |
Herbert Xu | fce32d7 | 2006-08-26 17:35:45 +1000 | [diff] [blame] | 1006 | static inline int crypto_has_cipher(const char *alg_name, u32 type, u32 mask) |
| 1007 | { |
| 1008 | type &= ~CRYPTO_ALG_TYPE_MASK; |
| 1009 | type |= CRYPTO_ALG_TYPE_CIPHER; |
| 1010 | mask |= CRYPTO_ALG_TYPE_MASK; |
| 1011 | |
| 1012 | return crypto_has_alg(alg_name, type, mask); |
| 1013 | } |
| 1014 | |
Herbert Xu | f28776a | 2006-08-13 20:58:18 +1000 | [diff] [blame] | 1015 | static inline struct cipher_tfm *crypto_cipher_crt(struct crypto_cipher *tfm) |
| 1016 | { |
| 1017 | return &crypto_cipher_tfm(tfm)->crt_cipher; |
| 1018 | } |
| 1019 | |
| 1020 | static inline unsigned int crypto_cipher_blocksize(struct crypto_cipher *tfm) |
| 1021 | { |
| 1022 | return crypto_tfm_alg_blocksize(crypto_cipher_tfm(tfm)); |
| 1023 | } |
| 1024 | |
| 1025 | static inline unsigned int crypto_cipher_alignmask(struct crypto_cipher *tfm) |
| 1026 | { |
| 1027 | return crypto_tfm_alg_alignmask(crypto_cipher_tfm(tfm)); |
| 1028 | } |
| 1029 | |
| 1030 | static inline u32 crypto_cipher_get_flags(struct crypto_cipher *tfm) |
| 1031 | { |
| 1032 | return crypto_tfm_get_flags(crypto_cipher_tfm(tfm)); |
| 1033 | } |
| 1034 | |
| 1035 | static inline void crypto_cipher_set_flags(struct crypto_cipher *tfm, |
| 1036 | u32 flags) |
| 1037 | { |
| 1038 | crypto_tfm_set_flags(crypto_cipher_tfm(tfm), flags); |
| 1039 | } |
| 1040 | |
| 1041 | static inline void crypto_cipher_clear_flags(struct crypto_cipher *tfm, |
| 1042 | u32 flags) |
| 1043 | { |
| 1044 | crypto_tfm_clear_flags(crypto_cipher_tfm(tfm), flags); |
| 1045 | } |
| 1046 | |
Herbert Xu | 7226bc87 | 2006-08-21 21:40:49 +1000 | [diff] [blame] | 1047 | static inline int crypto_cipher_setkey(struct crypto_cipher *tfm, |
| 1048 | const u8 *key, unsigned int keylen) |
| 1049 | { |
| 1050 | return crypto_cipher_crt(tfm)->cit_setkey(crypto_cipher_tfm(tfm), |
| 1051 | key, keylen); |
| 1052 | } |
| 1053 | |
Herbert Xu | f28776a | 2006-08-13 20:58:18 +1000 | [diff] [blame] | 1054 | static inline void crypto_cipher_encrypt_one(struct crypto_cipher *tfm, |
| 1055 | u8 *dst, const u8 *src) |
| 1056 | { |
| 1057 | crypto_cipher_crt(tfm)->cit_encrypt_one(crypto_cipher_tfm(tfm), |
| 1058 | dst, src); |
| 1059 | } |
| 1060 | |
| 1061 | static inline void crypto_cipher_decrypt_one(struct crypto_cipher *tfm, |
| 1062 | u8 *dst, const u8 *src) |
| 1063 | { |
| 1064 | crypto_cipher_crt(tfm)->cit_decrypt_one(crypto_cipher_tfm(tfm), |
| 1065 | dst, src); |
| 1066 | } |
| 1067 | |
Herbert Xu | 055bcee | 2006-08-19 22:24:23 +1000 | [diff] [blame] | 1068 | static inline struct crypto_hash *__crypto_hash_cast(struct crypto_tfm *tfm) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1069 | { |
Herbert Xu | 055bcee | 2006-08-19 22:24:23 +1000 | [diff] [blame] | 1070 | return (struct crypto_hash *)tfm; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1071 | } |
| 1072 | |
Herbert Xu | 055bcee | 2006-08-19 22:24:23 +1000 | [diff] [blame] | 1073 | static inline struct crypto_hash *crypto_hash_cast(struct crypto_tfm *tfm) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1074 | { |
Herbert Xu | 055bcee | 2006-08-19 22:24:23 +1000 | [diff] [blame] | 1075 | BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_HASH) & |
| 1076 | CRYPTO_ALG_TYPE_HASH_MASK); |
| 1077 | return __crypto_hash_cast(tfm); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1078 | } |
| 1079 | |
Herbert Xu | 055bcee | 2006-08-19 22:24:23 +1000 | [diff] [blame] | 1080 | static inline struct crypto_hash *crypto_alloc_hash(const char *alg_name, |
| 1081 | u32 type, u32 mask) |
| 1082 | { |
| 1083 | type &= ~CRYPTO_ALG_TYPE_MASK; |
| 1084 | type |= CRYPTO_ALG_TYPE_HASH; |
| 1085 | mask |= CRYPTO_ALG_TYPE_HASH_MASK; |
| 1086 | |
| 1087 | return __crypto_hash_cast(crypto_alloc_base(alg_name, type, mask)); |
| 1088 | } |
| 1089 | |
| 1090 | static inline struct crypto_tfm *crypto_hash_tfm(struct crypto_hash *tfm) |
| 1091 | { |
| 1092 | return &tfm->base; |
| 1093 | } |
| 1094 | |
| 1095 | static inline void crypto_free_hash(struct crypto_hash *tfm) |
| 1096 | { |
| 1097 | crypto_free_tfm(crypto_hash_tfm(tfm)); |
| 1098 | } |
| 1099 | |
Herbert Xu | fce32d7 | 2006-08-26 17:35:45 +1000 | [diff] [blame] | 1100 | static inline int crypto_has_hash(const char *alg_name, u32 type, u32 mask) |
| 1101 | { |
| 1102 | type &= ~CRYPTO_ALG_TYPE_MASK; |
| 1103 | type |= CRYPTO_ALG_TYPE_HASH; |
| 1104 | mask |= CRYPTO_ALG_TYPE_HASH_MASK; |
| 1105 | |
| 1106 | return crypto_has_alg(alg_name, type, mask); |
| 1107 | } |
| 1108 | |
Herbert Xu | 055bcee | 2006-08-19 22:24:23 +1000 | [diff] [blame] | 1109 | static inline struct hash_tfm *crypto_hash_crt(struct crypto_hash *tfm) |
| 1110 | { |
| 1111 | return &crypto_hash_tfm(tfm)->crt_hash; |
| 1112 | } |
| 1113 | |
| 1114 | static inline unsigned int crypto_hash_blocksize(struct crypto_hash *tfm) |
| 1115 | { |
| 1116 | return crypto_tfm_alg_blocksize(crypto_hash_tfm(tfm)); |
| 1117 | } |
| 1118 | |
| 1119 | static inline unsigned int crypto_hash_alignmask(struct crypto_hash *tfm) |
| 1120 | { |
| 1121 | return crypto_tfm_alg_alignmask(crypto_hash_tfm(tfm)); |
| 1122 | } |
| 1123 | |
| 1124 | static inline unsigned int crypto_hash_digestsize(struct crypto_hash *tfm) |
| 1125 | { |
| 1126 | return crypto_hash_crt(tfm)->digestsize; |
| 1127 | } |
| 1128 | |
| 1129 | static inline u32 crypto_hash_get_flags(struct crypto_hash *tfm) |
| 1130 | { |
| 1131 | return crypto_tfm_get_flags(crypto_hash_tfm(tfm)); |
| 1132 | } |
| 1133 | |
| 1134 | static inline void crypto_hash_set_flags(struct crypto_hash *tfm, u32 flags) |
| 1135 | { |
| 1136 | crypto_tfm_set_flags(crypto_hash_tfm(tfm), flags); |
| 1137 | } |
| 1138 | |
| 1139 | static inline void crypto_hash_clear_flags(struct crypto_hash *tfm, u32 flags) |
| 1140 | { |
| 1141 | crypto_tfm_clear_flags(crypto_hash_tfm(tfm), flags); |
| 1142 | } |
| 1143 | |
| 1144 | static inline int crypto_hash_init(struct hash_desc *desc) |
| 1145 | { |
| 1146 | return crypto_hash_crt(desc->tfm)->init(desc); |
| 1147 | } |
| 1148 | |
| 1149 | static inline int crypto_hash_update(struct hash_desc *desc, |
| 1150 | struct scatterlist *sg, |
| 1151 | unsigned int nbytes) |
| 1152 | { |
| 1153 | return crypto_hash_crt(desc->tfm)->update(desc, sg, nbytes); |
| 1154 | } |
| 1155 | |
| 1156 | static inline int crypto_hash_final(struct hash_desc *desc, u8 *out) |
| 1157 | { |
| 1158 | return crypto_hash_crt(desc->tfm)->final(desc, out); |
| 1159 | } |
| 1160 | |
| 1161 | static inline int crypto_hash_digest(struct hash_desc *desc, |
| 1162 | struct scatterlist *sg, |
| 1163 | unsigned int nbytes, u8 *out) |
| 1164 | { |
| 1165 | return crypto_hash_crt(desc->tfm)->digest(desc, sg, nbytes, out); |
| 1166 | } |
| 1167 | |
| 1168 | static inline int crypto_hash_setkey(struct crypto_hash *hash, |
| 1169 | const u8 *key, unsigned int keylen) |
| 1170 | { |
| 1171 | return crypto_hash_crt(hash)->setkey(hash, key, keylen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1172 | } |
| 1173 | |
Herbert Xu | fce32d7 | 2006-08-26 17:35:45 +1000 | [diff] [blame] | 1174 | static inline struct crypto_comp *__crypto_comp_cast(struct crypto_tfm *tfm) |
| 1175 | { |
| 1176 | return (struct crypto_comp *)tfm; |
| 1177 | } |
| 1178 | |
| 1179 | static inline struct crypto_comp *crypto_comp_cast(struct crypto_tfm *tfm) |
| 1180 | { |
| 1181 | BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_COMPRESS) & |
| 1182 | CRYPTO_ALG_TYPE_MASK); |
| 1183 | return __crypto_comp_cast(tfm); |
| 1184 | } |
| 1185 | |
| 1186 | static inline struct crypto_comp *crypto_alloc_comp(const char *alg_name, |
| 1187 | u32 type, u32 mask) |
| 1188 | { |
| 1189 | type &= ~CRYPTO_ALG_TYPE_MASK; |
| 1190 | type |= CRYPTO_ALG_TYPE_COMPRESS; |
| 1191 | mask |= CRYPTO_ALG_TYPE_MASK; |
| 1192 | |
| 1193 | return __crypto_comp_cast(crypto_alloc_base(alg_name, type, mask)); |
| 1194 | } |
| 1195 | |
| 1196 | static inline struct crypto_tfm *crypto_comp_tfm(struct crypto_comp *tfm) |
| 1197 | { |
Herbert Xu | 78a1fe4 | 2006-12-24 10:02:00 +1100 | [diff] [blame] | 1198 | return &tfm->base; |
Herbert Xu | fce32d7 | 2006-08-26 17:35:45 +1000 | [diff] [blame] | 1199 | } |
| 1200 | |
| 1201 | static inline void crypto_free_comp(struct crypto_comp *tfm) |
| 1202 | { |
| 1203 | crypto_free_tfm(crypto_comp_tfm(tfm)); |
| 1204 | } |
| 1205 | |
| 1206 | static inline int crypto_has_comp(const char *alg_name, u32 type, u32 mask) |
| 1207 | { |
| 1208 | type &= ~CRYPTO_ALG_TYPE_MASK; |
| 1209 | type |= CRYPTO_ALG_TYPE_COMPRESS; |
| 1210 | mask |= CRYPTO_ALG_TYPE_MASK; |
| 1211 | |
| 1212 | return crypto_has_alg(alg_name, type, mask); |
| 1213 | } |
| 1214 | |
Herbert Xu | e4d5b79 | 2006-08-26 18:12:40 +1000 | [diff] [blame] | 1215 | static inline const char *crypto_comp_name(struct crypto_comp *tfm) |
| 1216 | { |
| 1217 | return crypto_tfm_alg_name(crypto_comp_tfm(tfm)); |
| 1218 | } |
| 1219 | |
Herbert Xu | fce32d7 | 2006-08-26 17:35:45 +1000 | [diff] [blame] | 1220 | static inline struct compress_tfm *crypto_comp_crt(struct crypto_comp *tfm) |
| 1221 | { |
| 1222 | return &crypto_comp_tfm(tfm)->crt_compress; |
| 1223 | } |
| 1224 | |
| 1225 | static inline int crypto_comp_compress(struct crypto_comp *tfm, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1226 | const u8 *src, unsigned int slen, |
| 1227 | u8 *dst, unsigned int *dlen) |
| 1228 | { |
Herbert Xu | 78a1fe4 | 2006-12-24 10:02:00 +1100 | [diff] [blame] | 1229 | return crypto_comp_crt(tfm)->cot_compress(crypto_comp_tfm(tfm), |
| 1230 | src, slen, dst, dlen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1231 | } |
| 1232 | |
Herbert Xu | fce32d7 | 2006-08-26 17:35:45 +1000 | [diff] [blame] | 1233 | static inline int crypto_comp_decompress(struct crypto_comp *tfm, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1234 | const u8 *src, unsigned int slen, |
| 1235 | u8 *dst, unsigned int *dlen) |
| 1236 | { |
Herbert Xu | 78a1fe4 | 2006-12-24 10:02:00 +1100 | [diff] [blame] | 1237 | return crypto_comp_crt(tfm)->cot_decompress(crypto_comp_tfm(tfm), |
| 1238 | src, slen, dst, dlen); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1239 | } |
| 1240 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1241 | #endif /* _LINUX_CRYPTO_H */ |
| 1242 | |