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authorLinus Torvalds <torvalds@g5.osdl.org>2006-09-22 15:51:33 -0400
committerLinus Torvalds <torvalds@g5.osdl.org>2006-09-22 15:51:33 -0400
commit6bbd9b6d694ff7242d63cda2faac4bd59ee4328e (patch)
tree0641aa896e2ea01f4692973e5fbea429408854f4 /include
parenta489d159229fcc07bbb7566ac4fac745b79197ad (diff)
parent3c164bd8153c4644a22dc2101b003c67cd2a0d0a (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (64 commits) [BLOCK] dm-crypt: trivial comment improvements [CRYPTO] api: Deprecate crypto_digest_* and crypto_alg_available [CRYPTO] padlock: Convert padlock-sha to use crypto_hash [CRYPTO] users: Use crypto_comp and crypto_has_* [CRYPTO] api: Add crypto_comp and crypto_has_* [CRYPTO] users: Use crypto_hash interface instead of crypto_digest [SCSI] iscsi: Use crypto_hash interface instead of crypto_digest [CRYPTO] digest: Remove old HMAC implementation [CRYPTO] doc: Update documentation for hash and me [SCTP]: Use HMAC template and hash interface [IPSEC]: Use HMAC template and hash interface [CRYPTO] tcrypt: Use HMAC template and hash interface [CRYPTO] hmac: Add crypto template implementation [CRYPTO] digest: Added user API for new hash type [CRYPTO] api: Mark parts of cipher interface as deprecated [PATCH] scatterlist: Add const to sg_set_buf/sg_init_one pointer argument [CRYPTO] drivers: Remove obsolete block cipher operations [CRYPTO] users: Use block ciphers where applicable [SUNRPC] GSS: Use block ciphers where applicable [IPSEC] ESP: Use block ciphers where applicable ...
Diffstat (limited to 'include')
-rw-r--r--include/crypto/algapi.h156
-rw-r--r--include/crypto/twofish.h22
-rw-r--r--include/linux/crypto.h689
-rw-r--r--include/linux/scatterlist.h4
-rw-r--r--include/linux/sunrpc/gss_krb5.h19
-rw-r--r--include/linux/sunrpc/gss_spkm3.h4
-rw-r--r--include/net/ah.h30
-rw-r--r--include/net/esp.h31
-rw-r--r--include/net/ipcomp.h5
-rw-r--r--include/net/sctp/constants.h4
-rw-r--r--include/net/sctp/sctp.h11
-rw-r--r--include/net/sctp/structs.h3
-rw-r--r--include/net/xfrm.h12
13 files changed, 851 insertions, 139 deletions
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h
new file mode 100644
index 000000000000..5748aecdb414
--- /dev/null
+++ b/include/crypto/algapi.h
@@ -0,0 +1,156 @@
1/*
2 * Cryptographic API for algorithms (i.e., low-level API).
3 *
4 * Copyright (c) 2006 Herbert Xu <herbert@gondor.apana.org.au>
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the Free
8 * Software Foundation; either version 2 of the License, or (at your option)
9 * any later version.
10 *
11 */
12#ifndef _CRYPTO_ALGAPI_H
13#define _CRYPTO_ALGAPI_H
14
15#include <linux/crypto.h>
16
17struct module;
18struct seq_file;
19
20struct crypto_type {
21 unsigned int (*ctxsize)(struct crypto_alg *alg);
22 int (*init)(struct crypto_tfm *tfm);
23 void (*exit)(struct crypto_tfm *tfm);
24 void (*show)(struct seq_file *m, struct crypto_alg *alg);
25};
26
27struct crypto_instance {
28 struct crypto_alg alg;
29
30 struct crypto_template *tmpl;
31 struct hlist_node list;
32
33 void *__ctx[] CRYPTO_MINALIGN_ATTR;
34};
35
36struct crypto_template {
37 struct list_head list;
38 struct hlist_head instances;
39 struct module *module;
40
41 struct crypto_instance *(*alloc)(void *param, unsigned int len);
42 void (*free)(struct crypto_instance *inst);
43
44 char name[CRYPTO_MAX_ALG_NAME];
45};
46
47struct crypto_spawn {
48 struct list_head list;
49 struct crypto_alg *alg;
50 struct crypto_instance *inst;
51};
52
53struct scatter_walk {
54 struct scatterlist *sg;
55 unsigned int offset;
56};
57
58struct blkcipher_walk {
59 union {
60 struct {
61 struct page *page;
62 unsigned long offset;
63 } phys;
64
65 struct {
66 u8 *page;
67 u8 *addr;
68 } virt;
69 } src, dst;
70
71 struct scatter_walk in;
72 unsigned int nbytes;
73
74 struct scatter_walk out;
75 unsigned int total;
76
77 void *page;
78 u8 *buffer;
79 u8 *iv;
80
81 int flags;
82};
83
84extern const struct crypto_type crypto_blkcipher_type;
85extern const struct crypto_type crypto_hash_type;
86
87void crypto_mod_put(struct crypto_alg *alg);
88
89int crypto_register_template(struct crypto_template *tmpl);
90void crypto_unregister_template(struct crypto_template *tmpl);
91struct crypto_template *crypto_lookup_template(const char *name);
92
93int crypto_init_spawn(struct crypto_spawn *spawn, struct crypto_alg *alg,
94 struct crypto_instance *inst);
95void crypto_drop_spawn(struct crypto_spawn *spawn);
96struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn);
97
98struct crypto_alg *crypto_get_attr_alg(void *param, unsigned int len,
99 u32 type, u32 mask);
100struct crypto_instance *crypto_alloc_instance(const char *name,
101 struct crypto_alg *alg);
102
103int blkcipher_walk_done(struct blkcipher_desc *desc,
104 struct blkcipher_walk *walk, int err);
105int blkcipher_walk_virt(struct blkcipher_desc *desc,
106 struct blkcipher_walk *walk);
107int blkcipher_walk_phys(struct blkcipher_desc *desc,
108 struct blkcipher_walk *walk);
109
110static inline void *crypto_tfm_ctx_aligned(struct crypto_tfm *tfm)
111{
112 unsigned long addr = (unsigned long)crypto_tfm_ctx(tfm);
113 unsigned long align = crypto_tfm_alg_alignmask(tfm);
114
115 if (align <= crypto_tfm_ctx_alignment())
116 align = 1;
117 return (void *)ALIGN(addr, align);
118}
119
120static inline void *crypto_instance_ctx(struct crypto_instance *inst)
121{
122 return inst->__ctx;
123}
124
125static inline void *crypto_blkcipher_ctx(struct crypto_blkcipher *tfm)
126{
127 return crypto_tfm_ctx(&tfm->base);
128}
129
130static inline void *crypto_blkcipher_ctx_aligned(struct crypto_blkcipher *tfm)
131{
132 return crypto_tfm_ctx_aligned(&tfm->base);
133}
134
135static inline struct cipher_alg *crypto_cipher_alg(struct crypto_cipher *tfm)
136{
137 return &crypto_cipher_tfm(tfm)->__crt_alg->cra_cipher;
138}
139
140static inline void *crypto_hash_ctx_aligned(struct crypto_hash *tfm)
141{
142 return crypto_tfm_ctx_aligned(&tfm->base);
143}
144
145static inline void blkcipher_walk_init(struct blkcipher_walk *walk,
146 struct scatterlist *dst,
147 struct scatterlist *src,
148 unsigned int nbytes)
149{
150 walk->in.sg = src;
151 walk->out.sg = dst;
152 walk->total = nbytes;
153}
154
155#endif /* _CRYPTO_ALGAPI_H */
156
diff --git a/include/crypto/twofish.h b/include/crypto/twofish.h
new file mode 100644
index 000000000000..c408522595c6
--- /dev/null
+++ b/include/crypto/twofish.h
@@ -0,0 +1,22 @@
1#ifndef _CRYPTO_TWOFISH_H
2#define _CRYPTO_TWOFISH_H
3
4#include <linux/types.h>
5
6#define TF_MIN_KEY_SIZE 16
7#define TF_MAX_KEY_SIZE 32
8#define TF_BLOCK_SIZE 16
9
10struct crypto_tfm;
11
12/* Structure for an expanded Twofish key. s contains the key-dependent
13 * S-boxes composed with the MDS matrix; w contains the eight "whitening"
14 * subkeys, K[0] through K[7]. k holds the remaining, "round" subkeys. Note
15 * that k[i] corresponds to what the Twofish paper calls K[i+8]. */
16struct twofish_ctx {
17 u32 s[4][256], w[8], k[32];
18};
19
20int twofish_setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int key_len);
21
22#endif
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index 7f946241b879..8f2ffa4caabf 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -17,20 +17,36 @@
17#ifndef _LINUX_CRYPTO_H 17#ifndef _LINUX_CRYPTO_H
18#define _LINUX_CRYPTO_H 18#define _LINUX_CRYPTO_H
19 19
20#include <asm/atomic.h>
20#include <linux/module.h> 21#include <linux/module.h>
21#include <linux/kernel.h> 22#include <linux/kernel.h>
22#include <linux/types.h>
23#include <linux/list.h> 23#include <linux/list.h>
24#include <linux/slab.h>
24#include <linux/string.h> 25#include <linux/string.h>
25#include <asm/page.h> 26#include <linux/uaccess.h>
26 27
27/* 28/*
28 * Algorithm masks and types. 29 * Algorithm masks and types.
29 */ 30 */
30#define CRYPTO_ALG_TYPE_MASK 0x000000ff 31#define CRYPTO_ALG_TYPE_MASK 0x0000000f
31#define CRYPTO_ALG_TYPE_CIPHER 0x00000001 32#define CRYPTO_ALG_TYPE_CIPHER 0x00000001
32#define CRYPTO_ALG_TYPE_DIGEST 0x00000002 33#define CRYPTO_ALG_TYPE_DIGEST 0x00000002
33#define CRYPTO_ALG_TYPE_COMPRESS 0x00000004 34#define CRYPTO_ALG_TYPE_HASH 0x00000003
35#define CRYPTO_ALG_TYPE_BLKCIPHER 0x00000004
36#define CRYPTO_ALG_TYPE_COMPRESS 0x00000005
37
38#define CRYPTO_ALG_TYPE_HASH_MASK 0x0000000e
39
40#define CRYPTO_ALG_LARVAL 0x00000010
41#define CRYPTO_ALG_DEAD 0x00000020
42#define CRYPTO_ALG_DYING 0x00000040
43#define CRYPTO_ALG_ASYNC 0x00000080
44
45/*
46 * Set this bit if and only if the algorithm requires another algorithm of
47 * the same type to handle corner cases.
48 */
49#define CRYPTO_ALG_NEED_FALLBACK 0x00000100
34 50
35/* 51/*
36 * Transform masks and values (for crt_flags). 52 * Transform masks and values (for crt_flags).
@@ -61,8 +77,37 @@
61#define CRYPTO_DIR_ENCRYPT 1 77#define CRYPTO_DIR_ENCRYPT 1
62#define CRYPTO_DIR_DECRYPT 0 78#define CRYPTO_DIR_DECRYPT 0
63 79
80/*
81 * The macro CRYPTO_MINALIGN_ATTR (along with the void * type in the actual
82 * declaration) is used to ensure that the crypto_tfm context structure is
83 * aligned correctly for the given architecture so that there are no alignment
84 * faults for C data types. In particular, this is required on platforms such
85 * as arm where pointers are 32-bit aligned but there are data types such as
86 * u64 which require 64-bit alignment.
87 */
88#if defined(ARCH_KMALLOC_MINALIGN)
89#define CRYPTO_MINALIGN ARCH_KMALLOC_MINALIGN
90#elif defined(ARCH_SLAB_MINALIGN)
91#define CRYPTO_MINALIGN ARCH_SLAB_MINALIGN
92#endif
93
94#ifdef CRYPTO_MINALIGN
95#define CRYPTO_MINALIGN_ATTR __attribute__ ((__aligned__(CRYPTO_MINALIGN)))
96#else
97#define CRYPTO_MINALIGN_ATTR
98#endif
99
64struct scatterlist; 100struct scatterlist;
101struct crypto_blkcipher;
102struct crypto_hash;
65struct crypto_tfm; 103struct crypto_tfm;
104struct crypto_type;
105
106struct blkcipher_desc {
107 struct crypto_blkcipher *tfm;
108 void *info;
109 u32 flags;
110};
66 111
67struct cipher_desc { 112struct cipher_desc {
68 struct crypto_tfm *tfm; 113 struct crypto_tfm *tfm;
@@ -72,30 +117,50 @@ struct cipher_desc {
72 void *info; 117 void *info;
73}; 118};
74 119
120struct hash_desc {
121 struct crypto_hash *tfm;
122 u32 flags;
123};
124
75/* 125/*
76 * Algorithms: modular crypto algorithm implementations, managed 126 * Algorithms: modular crypto algorithm implementations, managed
77 * via crypto_register_alg() and crypto_unregister_alg(). 127 * via crypto_register_alg() and crypto_unregister_alg().
78 */ 128 */
129struct blkcipher_alg {
130 int (*setkey)(struct crypto_tfm *tfm, const u8 *key,
131 unsigned int keylen);
132 int (*encrypt)(struct blkcipher_desc *desc,
133 struct scatterlist *dst, struct scatterlist *src,
134 unsigned int nbytes);
135 int (*decrypt)(struct blkcipher_desc *desc,
136 struct scatterlist *dst, struct scatterlist *src,
137 unsigned int nbytes);
138
139 unsigned int min_keysize;
140 unsigned int max_keysize;
141 unsigned int ivsize;
142};
143
79struct cipher_alg { 144struct cipher_alg {
80 unsigned int cia_min_keysize; 145 unsigned int cia_min_keysize;
81 unsigned int cia_max_keysize; 146 unsigned int cia_max_keysize;
82 int (*cia_setkey)(struct crypto_tfm *tfm, const u8 *key, 147 int (*cia_setkey)(struct crypto_tfm *tfm, const u8 *key,
83 unsigned int keylen, u32 *flags); 148 unsigned int keylen);
84 void (*cia_encrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); 149 void (*cia_encrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
85 void (*cia_decrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); 150 void (*cia_decrypt)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
86 151
87 unsigned int (*cia_encrypt_ecb)(const struct cipher_desc *desc, 152 unsigned int (*cia_encrypt_ecb)(const struct cipher_desc *desc,
88 u8 *dst, const u8 *src, 153 u8 *dst, const u8 *src,
89 unsigned int nbytes); 154 unsigned int nbytes) __deprecated;
90 unsigned int (*cia_decrypt_ecb)(const struct cipher_desc *desc, 155 unsigned int (*cia_decrypt_ecb)(const struct cipher_desc *desc,
91 u8 *dst, const u8 *src, 156 u8 *dst, const u8 *src,
92 unsigned int nbytes); 157 unsigned int nbytes) __deprecated;
93 unsigned int (*cia_encrypt_cbc)(const struct cipher_desc *desc, 158 unsigned int (*cia_encrypt_cbc)(const struct cipher_desc *desc,
94 u8 *dst, const u8 *src, 159 u8 *dst, const u8 *src,
95 unsigned int nbytes); 160 unsigned int nbytes) __deprecated;
96 unsigned int (*cia_decrypt_cbc)(const struct cipher_desc *desc, 161 unsigned int (*cia_decrypt_cbc)(const struct cipher_desc *desc,
97 u8 *dst, const u8 *src, 162 u8 *dst, const u8 *src,
98 unsigned int nbytes); 163 unsigned int nbytes) __deprecated;
99}; 164};
100 165
101struct digest_alg { 166struct digest_alg {
@@ -105,7 +170,20 @@ struct digest_alg {
105 unsigned int len); 170 unsigned int len);
106 void (*dia_final)(struct crypto_tfm *tfm, u8 *out); 171 void (*dia_final)(struct crypto_tfm *tfm, u8 *out);
107 int (*dia_setkey)(struct crypto_tfm *tfm, const u8 *key, 172 int (*dia_setkey)(struct crypto_tfm *tfm, const u8 *key,
108 unsigned int keylen, u32 *flags); 173 unsigned int keylen);
174};
175
176struct hash_alg {
177 int (*init)(struct hash_desc *desc);
178 int (*update)(struct hash_desc *desc, struct scatterlist *sg,
179 unsigned int nbytes);
180 int (*final)(struct hash_desc *desc, u8 *out);
181 int (*digest)(struct hash_desc *desc, struct scatterlist *sg,
182 unsigned int nbytes, u8 *out);
183 int (*setkey)(struct crypto_hash *tfm, const u8 *key,
184 unsigned int keylen);
185
186 unsigned int digestsize;
109}; 187};
110 188
111struct compress_alg { 189struct compress_alg {
@@ -115,30 +193,40 @@ struct compress_alg {
115 unsigned int slen, u8 *dst, unsigned int *dlen); 193 unsigned int slen, u8 *dst, unsigned int *dlen);
116}; 194};
117 195
196#define cra_blkcipher cra_u.blkcipher
118#define cra_cipher cra_u.cipher 197#define cra_cipher cra_u.cipher
119#define cra_digest cra_u.digest 198#define cra_digest cra_u.digest
199#define cra_hash cra_u.hash
120#define cra_compress cra_u.compress 200#define cra_compress cra_u.compress
121 201
122struct crypto_alg { 202struct crypto_alg {
123 struct list_head cra_list; 203 struct list_head cra_list;
204 struct list_head cra_users;
205
124 u32 cra_flags; 206 u32 cra_flags;
125 unsigned int cra_blocksize; 207 unsigned int cra_blocksize;
126 unsigned int cra_ctxsize; 208 unsigned int cra_ctxsize;
127 unsigned int cra_alignmask; 209 unsigned int cra_alignmask;
128 210
129 int cra_priority; 211 int cra_priority;
212 atomic_t cra_refcnt;
130 213
131 char cra_name[CRYPTO_MAX_ALG_NAME]; 214 char cra_name[CRYPTO_MAX_ALG_NAME];
132 char cra_driver_name[CRYPTO_MAX_ALG_NAME]; 215 char cra_driver_name[CRYPTO_MAX_ALG_NAME];
133 216
217 const struct crypto_type *cra_type;
218
134 union { 219 union {
220 struct blkcipher_alg blkcipher;
135 struct cipher_alg cipher; 221 struct cipher_alg cipher;
136 struct digest_alg digest; 222 struct digest_alg digest;
223 struct hash_alg hash;
137 struct compress_alg compress; 224 struct compress_alg compress;
138 } cra_u; 225 } cra_u;
139 226
140 int (*cra_init)(struct crypto_tfm *tfm); 227 int (*cra_init)(struct crypto_tfm *tfm);
141 void (*cra_exit)(struct crypto_tfm *tfm); 228 void (*cra_exit)(struct crypto_tfm *tfm);
229 void (*cra_destroy)(struct crypto_alg *alg);
142 230
143 struct module *cra_module; 231 struct module *cra_module;
144}; 232};
@@ -153,20 +241,39 @@ int crypto_unregister_alg(struct crypto_alg *alg);
153 * Algorithm query interface. 241 * Algorithm query interface.
154 */ 242 */
155#ifdef CONFIG_CRYPTO 243#ifdef CONFIG_CRYPTO
156int crypto_alg_available(const char *name, u32 flags); 244int crypto_alg_available(const char *name, u32 flags)
245 __deprecated_for_modules;
246int crypto_has_alg(const char *name, u32 type, u32 mask);
157#else 247#else
248static int crypto_alg_available(const char *name, u32 flags);
249 __deprecated_for_modules;
158static inline int crypto_alg_available(const char *name, u32 flags) 250static inline int crypto_alg_available(const char *name, u32 flags)
159{ 251{
160 return 0; 252 return 0;
161} 253}
254
255static inline int crypto_has_alg(const char *name, u32 type, u32 mask)
256{
257 return 0;
258}
162#endif 259#endif
163 260
164/* 261/*
165 * Transforms: user-instantiated objects which encapsulate algorithms 262 * Transforms: user-instantiated objects which encapsulate algorithms
166 * and core processing logic. Managed via crypto_alloc_tfm() and 263 * and core processing logic. Managed via crypto_alloc_*() and
167 * crypto_free_tfm(), as well as the various helpers below. 264 * crypto_free_*(), as well as the various helpers below.
168 */ 265 */
169 266
267struct blkcipher_tfm {
268 void *iv;
269 int (*setkey)(struct crypto_tfm *tfm, const u8 *key,
270 unsigned int keylen);
271 int (*encrypt)(struct blkcipher_desc *desc, struct scatterlist *dst,
272 struct scatterlist *src, unsigned int nbytes);
273 int (*decrypt)(struct blkcipher_desc *desc, struct scatterlist *dst,
274 struct scatterlist *src, unsigned int nbytes);
275};
276
170struct cipher_tfm { 277struct cipher_tfm {
171 void *cit_iv; 278 void *cit_iv;
172 unsigned int cit_ivsize; 279 unsigned int cit_ivsize;
@@ -190,20 +297,20 @@ struct cipher_tfm {
190 struct scatterlist *src, 297 struct scatterlist *src,
191 unsigned int nbytes, u8 *iv); 298 unsigned int nbytes, u8 *iv);
192 void (*cit_xor_block)(u8 *dst, const u8 *src); 299 void (*cit_xor_block)(u8 *dst, const u8 *src);
300 void (*cit_encrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
301 void (*cit_decrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src);
193}; 302};
194 303
195struct digest_tfm { 304struct hash_tfm {
196 void (*dit_init)(struct crypto_tfm *tfm); 305 int (*init)(struct hash_desc *desc);
197 void (*dit_update)(struct crypto_tfm *tfm, 306 int (*update)(struct hash_desc *desc,
198 struct scatterlist *sg, unsigned int nsg); 307 struct scatterlist *sg, unsigned int nsg);
199 void (*dit_final)(struct crypto_tfm *tfm, u8 *out); 308 int (*final)(struct hash_desc *desc, u8 *out);
200 void (*dit_digest)(struct crypto_tfm *tfm, struct scatterlist *sg, 309 int (*digest)(struct hash_desc *desc, struct scatterlist *sg,
201 unsigned int nsg, u8 *out); 310 unsigned int nsg, u8 *out);
202 int (*dit_setkey)(struct crypto_tfm *tfm, 311 int (*setkey)(struct crypto_hash *tfm, const u8 *key,
203 const u8 *key, unsigned int keylen); 312 unsigned int keylen);
204#ifdef CONFIG_CRYPTO_HMAC 313 unsigned int digestsize;
205 void *dit_hmac_block;
206#endif
207}; 314};
208 315
209struct compress_tfm { 316struct compress_tfm {
@@ -215,8 +322,9 @@ struct compress_tfm {
215 u8 *dst, unsigned int *dlen); 322 u8 *dst, unsigned int *dlen);
216}; 323};
217 324
325#define crt_blkcipher crt_u.blkcipher
218#define crt_cipher crt_u.cipher 326#define crt_cipher crt_u.cipher
219#define crt_digest crt_u.digest 327#define crt_hash crt_u.hash
220#define crt_compress crt_u.compress 328#define crt_compress crt_u.compress
221 329
222struct crypto_tfm { 330struct crypto_tfm {
@@ -224,30 +332,43 @@ struct crypto_tfm {
224 u32 crt_flags; 332 u32 crt_flags;
225 333
226 union { 334 union {
335 struct blkcipher_tfm blkcipher;
227 struct cipher_tfm cipher; 336 struct cipher_tfm cipher;
228 struct digest_tfm digest; 337 struct hash_tfm hash;
229 struct compress_tfm compress; 338 struct compress_tfm compress;
230 } crt_u; 339 } crt_u;
231 340
232 struct crypto_alg *__crt_alg; 341 struct crypto_alg *__crt_alg;
233 342
234 char __crt_ctx[] __attribute__ ((__aligned__)); 343 void *__crt_ctx[] CRYPTO_MINALIGN_ATTR;
344};
345
346#define crypto_cipher crypto_tfm
347#define crypto_comp crypto_tfm
348
349struct crypto_blkcipher {
350 struct crypto_tfm base;
351};
352
353struct crypto_hash {
354 struct crypto_tfm base;
355};
356
357enum {
358 CRYPTOA_UNSPEC,
359 CRYPTOA_ALG,
360};
361
362struct crypto_attr_alg {
363 char name[CRYPTO_MAX_ALG_NAME];
235}; 364};
236 365
237/* 366/*
238 * Transform user interface. 367 * Transform user interface.
239 */ 368 */
240 369
241/*
242 * crypto_alloc_tfm() will first attempt to locate an already loaded algorithm.
243 * If that fails and the kernel supports dynamically loadable modules, it
244 * will then attempt to load a module of the same name or alias. A refcount
245 * is grabbed on the algorithm which is then associated with the new transform.
246 *
247 * crypto_free_tfm() frees up the transform and any associated resources,
248 * then drops the refcount on the associated algorithm.
249 */
250struct crypto_tfm *crypto_alloc_tfm(const char *alg_name, u32 tfm_flags); 370struct crypto_tfm *crypto_alloc_tfm(const char *alg_name, u32 tfm_flags);
371struct crypto_tfm *crypto_alloc_base(const char *alg_name, u32 type, u32 mask);
251void crypto_free_tfm(struct crypto_tfm *tfm); 372void crypto_free_tfm(struct crypto_tfm *tfm);
252 373
253/* 374/*
@@ -258,6 +379,16 @@ static inline const char *crypto_tfm_alg_name(struct crypto_tfm *tfm)
258 return tfm->__crt_alg->cra_name; 379 return tfm->__crt_alg->cra_name;
259} 380}
260 381
382static inline const char *crypto_tfm_alg_driver_name(struct crypto_tfm *tfm)
383{
384 return tfm->__crt_alg->cra_driver_name;
385}
386
387static inline int crypto_tfm_alg_priority(struct crypto_tfm *tfm)
388{
389 return tfm->__crt_alg->cra_priority;
390}
391
261static inline const char *crypto_tfm_alg_modname(struct crypto_tfm *tfm) 392static inline const char *crypto_tfm_alg_modname(struct crypto_tfm *tfm)
262{ 393{
263 return module_name(tfm->__crt_alg->cra_module); 394 return module_name(tfm->__crt_alg->cra_module);
@@ -268,18 +399,23 @@ static inline u32 crypto_tfm_alg_type(struct crypto_tfm *tfm)
268 return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK; 399 return tfm->__crt_alg->cra_flags & CRYPTO_ALG_TYPE_MASK;
269} 400}
270 401
402static unsigned int crypto_tfm_alg_min_keysize(struct crypto_tfm *tfm)
403 __deprecated;
271static inline unsigned int crypto_tfm_alg_min_keysize(struct crypto_tfm *tfm) 404static inline unsigned int crypto_tfm_alg_min_keysize(struct crypto_tfm *tfm)
272{ 405{
273 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); 406 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
274 return tfm->__crt_alg->cra_cipher.cia_min_keysize; 407 return tfm->__crt_alg->cra_cipher.cia_min_keysize;
275} 408}
276 409
410static unsigned int crypto_tfm_alg_max_keysize(struct crypto_tfm *tfm)
411 __deprecated;
277static inline unsigned int crypto_tfm_alg_max_keysize(struct crypto_tfm *tfm) 412static inline unsigned int crypto_tfm_alg_max_keysize(struct crypto_tfm *tfm)
278{ 413{
279 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); 414 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
280 return tfm->__crt_alg->cra_cipher.cia_max_keysize; 415 return tfm->__crt_alg->cra_cipher.cia_max_keysize;
281} 416}
282 417
418static unsigned int crypto_tfm_alg_ivsize(struct crypto_tfm *tfm) __deprecated;
283static inline unsigned int crypto_tfm_alg_ivsize(struct crypto_tfm *tfm) 419static inline unsigned int crypto_tfm_alg_ivsize(struct crypto_tfm *tfm)
284{ 420{
285 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); 421 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
@@ -302,6 +438,21 @@ static inline unsigned int crypto_tfm_alg_alignmask(struct crypto_tfm *tfm)
302 return tfm->__crt_alg->cra_alignmask; 438 return tfm->__crt_alg->cra_alignmask;
303} 439}
304 440
441static inline u32 crypto_tfm_get_flags(struct crypto_tfm *tfm)
442{
443 return tfm->crt_flags;
444}
445
446static inline void crypto_tfm_set_flags(struct crypto_tfm *tfm, u32 flags)
447{
448 tfm->crt_flags |= flags;
449}
450
451static inline void crypto_tfm_clear_flags(struct crypto_tfm *tfm, u32 flags)
452{
453 tfm->crt_flags &= ~flags;
454}
455
305static inline void *crypto_tfm_ctx(struct crypto_tfm *tfm) 456static inline void *crypto_tfm_ctx(struct crypto_tfm *tfm)
306{ 457{
307 return tfm->__crt_ctx; 458 return tfm->__crt_ctx;
@@ -316,50 +467,374 @@ static inline unsigned int crypto_tfm_ctx_alignment(void)
316/* 467/*
317 * API wrappers. 468 * API wrappers.
318 */ 469 */
319static inline void crypto_digest_init(struct crypto_tfm *tfm) 470static inline struct crypto_blkcipher *__crypto_blkcipher_cast(
471 struct crypto_tfm *tfm)
320{ 472{
321 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST); 473 return (struct crypto_blkcipher *)tfm;
322 tfm->crt_digest.dit_init(tfm);
323} 474}
324 475
325static inline void crypto_digest_update(struct crypto_tfm *tfm, 476static inline struct crypto_blkcipher *crypto_blkcipher_cast(
326 struct scatterlist *sg, 477 struct crypto_tfm *tfm)
327 unsigned int nsg)
328{ 478{
329 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST); 479 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_BLKCIPHER);
330 tfm->crt_digest.dit_update(tfm, sg, nsg); 480 return __crypto_blkcipher_cast(tfm);
331} 481}
332 482
333static inline void crypto_digest_final(struct crypto_tfm *tfm, u8 *out) 483static inline struct crypto_blkcipher *crypto_alloc_blkcipher(
484 const char *alg_name, u32 type, u32 mask)
334{ 485{
335 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST); 486 type &= ~CRYPTO_ALG_TYPE_MASK;
336 tfm->crt_digest.dit_final(tfm, out); 487 type |= CRYPTO_ALG_TYPE_BLKCIPHER;
488 mask |= CRYPTO_ALG_TYPE_MASK;
489
490 return __crypto_blkcipher_cast(crypto_alloc_base(alg_name, type, mask));
337} 491}
338 492
339static inline void crypto_digest_digest(struct crypto_tfm *tfm, 493static inline struct crypto_tfm *crypto_blkcipher_tfm(
340 struct scatterlist *sg, 494 struct crypto_blkcipher *tfm)
341 unsigned int nsg, u8 *out)
342{ 495{
343 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST); 496 return &tfm->base;
344 tfm->crt_digest.dit_digest(tfm, sg, nsg, out);
345} 497}
346 498
347static inline int crypto_digest_setkey(struct crypto_tfm *tfm, 499static inline void crypto_free_blkcipher(struct crypto_blkcipher *tfm)
500{
501 crypto_free_tfm(crypto_blkcipher_tfm(tfm));
502}
503
504static inline int crypto_has_blkcipher(const char *alg_name, u32 type, u32 mask)
505{
506 type &= ~CRYPTO_ALG_TYPE_MASK;
507 type |= CRYPTO_ALG_TYPE_BLKCIPHER;
508 mask |= CRYPTO_ALG_TYPE_MASK;
509
510 return crypto_has_alg(alg_name, type, mask);
511}
512
513static inline const char *crypto_blkcipher_name(struct crypto_blkcipher *tfm)
514{
515 return crypto_tfm_alg_name(crypto_blkcipher_tfm(tfm));
516}
517
518static inline struct blkcipher_tfm *crypto_blkcipher_crt(
519 struct crypto_blkcipher *tfm)
520{
521 return &crypto_blkcipher_tfm(tfm)->crt_blkcipher;
522}
523
524static inline struct blkcipher_alg *crypto_blkcipher_alg(
525 struct crypto_blkcipher *tfm)
526{
527 return &crypto_blkcipher_tfm(tfm)->__crt_alg->cra_blkcipher;
528}
529
530static inline unsigned int crypto_blkcipher_ivsize(struct crypto_blkcipher *tfm)
531{
532 return crypto_blkcipher_alg(tfm)->ivsize;
533}
534
535static inline unsigned int crypto_blkcipher_blocksize(
536 struct crypto_blkcipher *tfm)
537{
538 return crypto_tfm_alg_blocksize(crypto_blkcipher_tfm(tfm));
539}
540
541static inline unsigned int crypto_blkcipher_alignmask(
542 struct crypto_blkcipher *tfm)
543{
544 return crypto_tfm_alg_alignmask(crypto_blkcipher_tfm(tfm));
545}
546
547static inline u32 crypto_blkcipher_get_flags(struct crypto_blkcipher *tfm)
548{
549 return crypto_tfm_get_flags(crypto_blkcipher_tfm(tfm));
550}
551
552static inline void crypto_blkcipher_set_flags(struct crypto_blkcipher *tfm,
553 u32 flags)
554{
555 crypto_tfm_set_flags(crypto_blkcipher_tfm(tfm), flags);
556}
557
558static inline void crypto_blkcipher_clear_flags(struct crypto_blkcipher *tfm,
559 u32 flags)
560{
561 crypto_tfm_clear_flags(crypto_blkcipher_tfm(tfm), flags);
562}
563
564static inline int crypto_blkcipher_setkey(struct crypto_blkcipher *tfm,
565 const u8 *key, unsigned int keylen)
566{
567 return crypto_blkcipher_crt(tfm)->setkey(crypto_blkcipher_tfm(tfm),
568 key, keylen);
569}
570
571static inline int crypto_blkcipher_encrypt(struct blkcipher_desc *desc,
572 struct scatterlist *dst,
573 struct scatterlist *src,
574 unsigned int nbytes)
575{
576 desc->info = crypto_blkcipher_crt(desc->tfm)->iv;
577 return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes);
578}
579
580static inline int crypto_blkcipher_encrypt_iv(struct blkcipher_desc *desc,
581 struct scatterlist *dst,
582 struct scatterlist *src,
583 unsigned int nbytes)
584{
585 return crypto_blkcipher_crt(desc->tfm)->encrypt(desc, dst, src, nbytes);
586}
587
588static inline int crypto_blkcipher_decrypt(struct blkcipher_desc *desc,
589 struct scatterlist *dst,
590 struct scatterlist *src,
591 unsigned int nbytes)
592{
593 desc->info = crypto_blkcipher_crt(desc->tfm)->iv;
594 return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes);
595}
596
597static inline int crypto_blkcipher_decrypt_iv(struct blkcipher_desc *desc,
598 struct scatterlist *dst,
599 struct scatterlist *src,
600 unsigned int nbytes)
601{
602 return crypto_blkcipher_crt(desc->tfm)->decrypt(desc, dst, src, nbytes);
603}
604
605static inline void crypto_blkcipher_set_iv(struct crypto_blkcipher *tfm,
606 const u8 *src, unsigned int len)
607{
608 memcpy(crypto_blkcipher_crt(tfm)->iv, src, len);
609}
610
611static inline void crypto_blkcipher_get_iv(struct crypto_blkcipher *tfm,
612 u8 *dst, unsigned int len)
613{
614 memcpy(dst, crypto_blkcipher_crt(tfm)->iv, len);
615}
616
617static inline struct crypto_cipher *__crypto_cipher_cast(struct crypto_tfm *tfm)
618{
619 return (struct crypto_cipher *)tfm;
620}
621
622static inline struct crypto_cipher *crypto_cipher_cast(struct crypto_tfm *tfm)
623{
624 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
625 return __crypto_cipher_cast(tfm);
626}
627
628static inline struct crypto_cipher *crypto_alloc_cipher(const char *alg_name,
629 u32 type, u32 mask)
630{
631 type &= ~CRYPTO_ALG_TYPE_MASK;
632 type |= CRYPTO_ALG_TYPE_CIPHER;
633 mask |= CRYPTO_ALG_TYPE_MASK;
634
635 return __crypto_cipher_cast(crypto_alloc_base(alg_name, type, mask));
636}
637
638static inline struct crypto_tfm *crypto_cipher_tfm(struct crypto_cipher *tfm)
639{
640 return tfm;
641}
642
643static inline void crypto_free_cipher(struct crypto_cipher *tfm)
644{
645 crypto_free_tfm(crypto_cipher_tfm(tfm));
646}
647
648static inline int crypto_has_cipher(const char *alg_name, u32 type, u32 mask)
649{
650 type &= ~CRYPTO_ALG_TYPE_MASK;
651 type |= CRYPTO_ALG_TYPE_CIPHER;
652 mask |= CRYPTO_ALG_TYPE_MASK;
653
654 return crypto_has_alg(alg_name, type, mask);
655}
656
657static inline struct cipher_tfm *crypto_cipher_crt(struct crypto_cipher *tfm)
658{
659 return &crypto_cipher_tfm(tfm)->crt_cipher;
660}
661
662static inline unsigned int crypto_cipher_blocksize(struct crypto_cipher *tfm)
663{
664 return crypto_tfm_alg_blocksize(crypto_cipher_tfm(tfm));
665}
666
667static inline unsigned int crypto_cipher_alignmask(struct crypto_cipher *tfm)
668{
669 return crypto_tfm_alg_alignmask(crypto_cipher_tfm(tfm));
670}
671
672static inline u32 crypto_cipher_get_flags(struct crypto_cipher *tfm)
673{
674 return crypto_tfm_get_flags(crypto_cipher_tfm(tfm));
675}
676
677static inline void crypto_cipher_set_flags(struct crypto_cipher *tfm,
678 u32 flags)
679{
680 crypto_tfm_set_flags(crypto_cipher_tfm(tfm), flags);
681}
682
683static inline void crypto_cipher_clear_flags(struct crypto_cipher *tfm,
684 u32 flags)
685{
686 crypto_tfm_clear_flags(crypto_cipher_tfm(tfm), flags);
687}
688
689static inline int crypto_cipher_setkey(struct crypto_cipher *tfm,
348 const u8 *key, unsigned int keylen) 690 const u8 *key, unsigned int keylen)
349{ 691{
350 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_DIGEST); 692 return crypto_cipher_crt(tfm)->cit_setkey(crypto_cipher_tfm(tfm),
351 if (tfm->crt_digest.dit_setkey == NULL) 693 key, keylen);
352 return -ENOSYS; 694}
353 return tfm->crt_digest.dit_setkey(tfm, key, keylen); 695
696static inline void crypto_cipher_encrypt_one(struct crypto_cipher *tfm,
697 u8 *dst, const u8 *src)
698{
699 crypto_cipher_crt(tfm)->cit_encrypt_one(crypto_cipher_tfm(tfm),
700 dst, src);
701}
702
703static inline void crypto_cipher_decrypt_one(struct crypto_cipher *tfm,
704 u8 *dst, const u8 *src)
705{
706 crypto_cipher_crt(tfm)->cit_decrypt_one(crypto_cipher_tfm(tfm),
707 dst, src);
708}
709
710void crypto_digest_init(struct crypto_tfm *tfm) __deprecated_for_modules;
711void crypto_digest_update(struct crypto_tfm *tfm,
712 struct scatterlist *sg, unsigned int nsg)
713 __deprecated_for_modules;
714void crypto_digest_final(struct crypto_tfm *tfm, u8 *out)
715 __deprecated_for_modules;
716void crypto_digest_digest(struct crypto_tfm *tfm,
717 struct scatterlist *sg, unsigned int nsg, u8 *out)
718 __deprecated_for_modules;
719
720static inline struct crypto_hash *__crypto_hash_cast(struct crypto_tfm *tfm)
721{
722 return (struct crypto_hash *)tfm;
723}
724
725static inline struct crypto_hash *crypto_hash_cast(struct crypto_tfm *tfm)
726{
727 BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_HASH) &
728 CRYPTO_ALG_TYPE_HASH_MASK);
729 return __crypto_hash_cast(tfm);
354} 730}
355 731
356static inline int crypto_cipher_setkey(struct crypto_tfm *tfm, 732static int crypto_digest_setkey(struct crypto_tfm *tfm, const u8 *key,
733 unsigned int keylen) __deprecated;
734static inline int crypto_digest_setkey(struct crypto_tfm *tfm,
357 const u8 *key, unsigned int keylen) 735 const u8 *key, unsigned int keylen)
358{ 736{
359 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); 737 return tfm->crt_hash.setkey(crypto_hash_cast(tfm), key, keylen);
360 return tfm->crt_cipher.cit_setkey(tfm, key, keylen); 738}
739
740static inline struct crypto_hash *crypto_alloc_hash(const char *alg_name,
741 u32 type, u32 mask)
742{
743 type &= ~CRYPTO_ALG_TYPE_MASK;
744 type |= CRYPTO_ALG_TYPE_HASH;
745 mask |= CRYPTO_ALG_TYPE_HASH_MASK;
746
747 return __crypto_hash_cast(crypto_alloc_base(alg_name, type, mask));
748}
749
750static inline struct crypto_tfm *crypto_hash_tfm(struct crypto_hash *tfm)
751{
752 return &tfm->base;
753}
754
755static inline void crypto_free_hash(struct crypto_hash *tfm)
756{
757 crypto_free_tfm(crypto_hash_tfm(tfm));
758}
759
760static inline int crypto_has_hash(const char *alg_name, u32 type, u32 mask)
761{
762 type &= ~CRYPTO_ALG_TYPE_MASK;
763 type |= CRYPTO_ALG_TYPE_HASH;
764 mask |= CRYPTO_ALG_TYPE_HASH_MASK;
765
766 return crypto_has_alg(alg_name, type, mask);
767}
768
769static inline struct hash_tfm *crypto_hash_crt(struct crypto_hash *tfm)
770{
771 return &crypto_hash_tfm(tfm)->crt_hash;
772}
773
774static inline unsigned int crypto_hash_blocksize(struct crypto_hash *tfm)
775{
776 return crypto_tfm_alg_blocksize(crypto_hash_tfm(tfm));
777}
778
779static inline unsigned int crypto_hash_alignmask(struct crypto_hash *tfm)
780{
781 return crypto_tfm_alg_alignmask(crypto_hash_tfm(tfm));
782}
783
784static inline unsigned int crypto_hash_digestsize(struct crypto_hash *tfm)
785{
786 return crypto_hash_crt(tfm)->digestsize;
787}
788
789static inline u32 crypto_hash_get_flags(struct crypto_hash *tfm)
790{
791 return crypto_tfm_get_flags(crypto_hash_tfm(tfm));
792}
793
794static inline void crypto_hash_set_flags(struct crypto_hash *tfm, u32 flags)
795{
796 crypto_tfm_set_flags(crypto_hash_tfm(tfm), flags);
361} 797}
362 798
799static inline void crypto_hash_clear_flags(struct crypto_hash *tfm, u32 flags)
800{
801 crypto_tfm_clear_flags(crypto_hash_tfm(tfm), flags);
802}
803
804static inline int crypto_hash_init(struct hash_desc *desc)
805{
806 return crypto_hash_crt(desc->tfm)->init(desc);
807}
808
809static inline int crypto_hash_update(struct hash_desc *desc,
810 struct scatterlist *sg,
811 unsigned int nbytes)
812{
813 return crypto_hash_crt(desc->tfm)->update(desc, sg, nbytes);
814}
815
816static inline int crypto_hash_final(struct hash_desc *desc, u8 *out)
817{
818 return crypto_hash_crt(desc->tfm)->final(desc, out);
819}
820
821static inline int crypto_hash_digest(struct hash_desc *desc,
822 struct scatterlist *sg,
823 unsigned int nbytes, u8 *out)
824{
825 return crypto_hash_crt(desc->tfm)->digest(desc, sg, nbytes, out);
826}
827
828static inline int crypto_hash_setkey(struct crypto_hash *hash,
829 const u8 *key, unsigned int keylen)
830{
831 return crypto_hash_crt(hash)->setkey(hash, key, keylen);
832}
833
834static int crypto_cipher_encrypt(struct crypto_tfm *tfm,
835 struct scatterlist *dst,
836 struct scatterlist *src,
837 unsigned int nbytes) __deprecated;
363static inline int crypto_cipher_encrypt(struct crypto_tfm *tfm, 838static inline int crypto_cipher_encrypt(struct crypto_tfm *tfm,
364 struct scatterlist *dst, 839 struct scatterlist *dst,
365 struct scatterlist *src, 840 struct scatterlist *src,
@@ -369,16 +844,23 @@ static inline int crypto_cipher_encrypt(struct crypto_tfm *tfm,
369 return tfm->crt_cipher.cit_encrypt(tfm, dst, src, nbytes); 844 return tfm->crt_cipher.cit_encrypt(tfm, dst, src, nbytes);
370} 845}
371 846
847static int crypto_cipher_encrypt_iv(struct crypto_tfm *tfm,
848 struct scatterlist *dst,
849 struct scatterlist *src,
850 unsigned int nbytes, u8 *iv) __deprecated;
372static inline int crypto_cipher_encrypt_iv(struct crypto_tfm *tfm, 851static inline int crypto_cipher_encrypt_iv(struct crypto_tfm *tfm,
373 struct scatterlist *dst, 852 struct scatterlist *dst,
374 struct scatterlist *src, 853 struct scatterlist *src,
375 unsigned int nbytes, u8 *iv) 854 unsigned int nbytes, u8 *iv)
376{ 855{
377 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); 856 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
378 BUG_ON(tfm->crt_cipher.cit_mode == CRYPTO_TFM_MODE_ECB);
379 return tfm->crt_cipher.cit_encrypt_iv(tfm, dst, src, nbytes, iv); 857 return tfm->crt_cipher.cit_encrypt_iv(tfm, dst, src, nbytes, iv);
380} 858}
381 859
860static int crypto_cipher_decrypt(struct crypto_tfm *tfm,
861 struct scatterlist *dst,
862 struct scatterlist *src,
863 unsigned int nbytes) __deprecated;
382static inline int crypto_cipher_decrypt(struct crypto_tfm *tfm, 864static inline int crypto_cipher_decrypt(struct crypto_tfm *tfm,
383 struct scatterlist *dst, 865 struct scatterlist *dst,
384 struct scatterlist *src, 866 struct scatterlist *src,
@@ -388,16 +870,21 @@ static inline int crypto_cipher_decrypt(struct crypto_tfm *tfm,
388 return tfm->crt_cipher.cit_decrypt(tfm, dst, src, nbytes); 870 return tfm->crt_cipher.cit_decrypt(tfm, dst, src, nbytes);
389} 871}
390 872
873static int crypto_cipher_decrypt_iv(struct crypto_tfm *tfm,
874 struct scatterlist *dst,
875 struct scatterlist *src,
876 unsigned int nbytes, u8 *iv) __deprecated;
391static inline int crypto_cipher_decrypt_iv(struct crypto_tfm *tfm, 877static inline int crypto_cipher_decrypt_iv(struct crypto_tfm *tfm,
392 struct scatterlist *dst, 878 struct scatterlist *dst,
393 struct scatterlist *src, 879 struct scatterlist *src,
394 unsigned int nbytes, u8 *iv) 880 unsigned int nbytes, u8 *iv)
395{ 881{
396 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER); 882 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_CIPHER);
397 BUG_ON(tfm->crt_cipher.cit_mode == CRYPTO_TFM_MODE_ECB);
398 return tfm->crt_cipher.cit_decrypt_iv(tfm, dst, src, nbytes, iv); 883 return tfm->crt_cipher.cit_decrypt_iv(tfm, dst, src, nbytes, iv);
399} 884}
400 885
886static void crypto_cipher_set_iv(struct crypto_tfm *tfm,
887 const u8 *src, unsigned int len) __deprecated;
401static inline void crypto_cipher_set_iv(struct crypto_tfm *tfm, 888static inline void crypto_cipher_set_iv(struct crypto_tfm *tfm,
402 const u8 *src, unsigned int len) 889 const u8 *src, unsigned int len)
403{ 890{
@@ -405,6 +892,8 @@ static inline void crypto_cipher_set_iv(struct crypto_tfm *tfm,
405 memcpy(tfm->crt_cipher.cit_iv, src, len); 892 memcpy(tfm->crt_cipher.cit_iv, src, len);
406} 893}
407 894
895static void crypto_cipher_get_iv(struct crypto_tfm *tfm,
896 u8 *dst, unsigned int len) __deprecated;
408static inline void crypto_cipher_get_iv(struct crypto_tfm *tfm, 897static inline void crypto_cipher_get_iv(struct crypto_tfm *tfm,
409 u8 *dst, unsigned int len) 898 u8 *dst, unsigned int len)
410{ 899{
@@ -412,34 +901,70 @@ static inline void crypto_cipher_get_iv(struct crypto_tfm *tfm,
412 memcpy(dst, tfm->crt_cipher.cit_iv, len); 901 memcpy(dst, tfm->crt_cipher.cit_iv, len);
413} 902}
414 903
415static inline int crypto_comp_compress(struct crypto_tfm *tfm, 904static inline struct crypto_comp *__crypto_comp_cast(struct crypto_tfm *tfm)
905{
906 return (struct crypto_comp *)tfm;
907}
908
909static inline struct crypto_comp *crypto_comp_cast(struct crypto_tfm *tfm)
910{
911 BUG_ON((crypto_tfm_alg_type(tfm) ^ CRYPTO_ALG_TYPE_COMPRESS) &
912 CRYPTO_ALG_TYPE_MASK);
913 return __crypto_comp_cast(tfm);
914}
915
916static inline struct crypto_comp *crypto_alloc_comp(const char *alg_name,
917 u32 type, u32 mask)
918{
919 type &= ~CRYPTO_ALG_TYPE_MASK;
920 type |= CRYPTO_ALG_TYPE_COMPRESS;
921 mask |= CRYPTO_ALG_TYPE_MASK;
922
923 return __crypto_comp_cast(crypto_alloc_base(alg_name, type, mask));
924}
925
926static inline struct crypto_tfm *crypto_comp_tfm(struct crypto_comp *tfm)
927{
928 return tfm;
929}
930
931static inline void crypto_free_comp(struct crypto_comp *tfm)
932{
933 crypto_free_tfm(crypto_comp_tfm(tfm));
934}
935
936static inline int crypto_has_comp(const char *alg_name, u32 type, u32 mask)
937{
938 type &= ~CRYPTO_ALG_TYPE_MASK;
939 type |= CRYPTO_ALG_TYPE_COMPRESS;
940 mask |= CRYPTO_ALG_TYPE_MASK;
941
942 return crypto_has_alg(alg_name, type, mask);
943}
944
945static inline const char *crypto_comp_name(struct crypto_comp *tfm)
946{
947 return crypto_tfm_alg_name(crypto_comp_tfm(tfm));
948}
949
950static inline struct compress_tfm *crypto_comp_crt(struct crypto_comp *tfm)
951{
952 return &crypto_comp_tfm(tfm)->crt_compress;
953}
954
955static inline int crypto_comp_compress(struct crypto_comp *tfm,
416 const u8 *src, unsigned int slen, 956 const u8 *src, unsigned int slen,
417 u8 *dst, unsigned int *dlen) 957 u8 *dst, unsigned int *dlen)
418{ 958{
419 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_COMPRESS); 959 return crypto_comp_crt(tfm)->cot_compress(tfm, src, slen, dst, dlen);
420 return tfm->crt_compress.cot_compress(tfm, src, slen, dst, dlen);
421} 960}
422 961
423static inline int crypto_comp_decompress(struct crypto_tfm *tfm, 962static inline int crypto_comp_decompress(struct crypto_comp *tfm,
424 const u8 *src, unsigned int slen, 963 const u8 *src, unsigned int slen,
425 u8 *dst, unsigned int *dlen) 964 u8 *dst, unsigned int *dlen)
426{ 965{
427 BUG_ON(crypto_tfm_alg_type(tfm) != CRYPTO_ALG_TYPE_COMPRESS); 966 return crypto_comp_crt(tfm)->cot_decompress(tfm, src, slen, dst, dlen);
428 return tfm->crt_compress.cot_decompress(tfm, src, slen, dst, dlen);
429} 967}
430 968
431/*
432 * HMAC support.
433 */
434#ifdef CONFIG_CRYPTO_HMAC
435void crypto_hmac_init(struct crypto_tfm *tfm, u8 *key, unsigned int *keylen);
436void crypto_hmac_update(struct crypto_tfm *tfm,
437 struct scatterlist *sg, unsigned int nsg);
438void crypto_hmac_final(struct crypto_tfm *tfm, u8 *key,
439 unsigned int *keylen, u8 *out);
440void crypto_hmac(struct crypto_tfm *tfm, u8 *key, unsigned int *keylen,
441 struct scatterlist *sg, unsigned int nsg, u8 *out);
442#endif /* CONFIG_CRYPTO_HMAC */
443
444#endif /* _LINUX_CRYPTO_H */ 969#endif /* _LINUX_CRYPTO_H */
445 970
diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h
index 66ff545552f7..4efbd9c445f5 100644
--- a/include/linux/scatterlist.h
+++ b/include/linux/scatterlist.h
@@ -5,7 +5,7 @@
5#include <linux/mm.h> 5#include <linux/mm.h>
6#include <linux/string.h> 6#include <linux/string.h>
7 7
8static inline void sg_set_buf(struct scatterlist *sg, void *buf, 8static inline void sg_set_buf(struct scatterlist *sg, const void *buf,
9 unsigned int buflen) 9 unsigned int buflen)
10{ 10{
11 sg->page = virt_to_page(buf); 11 sg->page = virt_to_page(buf);
@@ -13,7 +13,7 @@ static inline void sg_set_buf(struct scatterlist *sg, void *buf,
13 sg->length = buflen; 13 sg->length = buflen;
14} 14}
15 15
16static inline void sg_init_one(struct scatterlist *sg, void *buf, 16static inline void sg_init_one(struct scatterlist *sg, const void *buf,
17 unsigned int buflen) 17 unsigned int buflen)
18{ 18{
19 memset(sg, 0, sizeof(*sg)); 19 memset(sg, 0, sizeof(*sg));
diff --git a/include/linux/sunrpc/gss_krb5.h b/include/linux/sunrpc/gss_krb5.h
index 1279280d7196..e30ba201910a 100644
--- a/include/linux/sunrpc/gss_krb5.h
+++ b/include/linux/sunrpc/gss_krb5.h
@@ -46,8 +46,8 @@ struct krb5_ctx {
46 unsigned char seed[16]; 46 unsigned char seed[16];
47 int signalg; 47 int signalg;
48 int sealalg; 48 int sealalg;
49 struct crypto_tfm *enc; 49 struct crypto_blkcipher *enc;
50 struct crypto_tfm *seq; 50 struct crypto_blkcipher *seq;
51 s32 endtime; 51 s32 endtime;
52 u32 seq_send; 52 u32 seq_send;
53 struct xdr_netobj mech_used; 53 struct xdr_netobj mech_used;
@@ -136,26 +136,27 @@ gss_unwrap_kerberos(struct gss_ctx *ctx_id, int offset,
136 136
137 137
138u32 138u32
139krb5_encrypt(struct crypto_tfm * key, 139krb5_encrypt(struct crypto_blkcipher *key,
140 void *iv, void *in, void *out, int length); 140 void *iv, void *in, void *out, int length);
141 141
142u32 142u32
143krb5_decrypt(struct crypto_tfm * key, 143krb5_decrypt(struct crypto_blkcipher *key,
144 void *iv, void *in, void *out, int length); 144 void *iv, void *in, void *out, int length);
145 145
146int 146int
147gss_encrypt_xdr_buf(struct crypto_tfm *tfm, struct xdr_buf *outbuf, int offset, 147gss_encrypt_xdr_buf(struct crypto_blkcipher *tfm, struct xdr_buf *outbuf,
148 struct page **pages); 148 int offset, struct page **pages);
149 149
150int 150int
151gss_decrypt_xdr_buf(struct crypto_tfm *tfm, struct xdr_buf *inbuf, int offset); 151gss_decrypt_xdr_buf(struct crypto_blkcipher *tfm, struct xdr_buf *inbuf,
152 int offset);
152 153
153s32 154s32
154krb5_make_seq_num(struct crypto_tfm * key, 155krb5_make_seq_num(struct crypto_blkcipher *key,
155 int direction, 156 int direction,
156 s32 seqnum, unsigned char *cksum, unsigned char *buf); 157 s32 seqnum, unsigned char *cksum, unsigned char *buf);
157 158
158s32 159s32
159krb5_get_seq_num(struct crypto_tfm * key, 160krb5_get_seq_num(struct crypto_blkcipher *key,
160 unsigned char *cksum, 161 unsigned char *cksum,
161 unsigned char *buf, int *direction, s32 * seqnum); 162 unsigned char *buf, int *direction, s32 * seqnum);
diff --git a/include/linux/sunrpc/gss_spkm3.h b/include/linux/sunrpc/gss_spkm3.h
index 336e218c2782..2cf3fbb40b4f 100644
--- a/include/linux/sunrpc/gss_spkm3.h
+++ b/include/linux/sunrpc/gss_spkm3.h
@@ -19,9 +19,9 @@ struct spkm3_ctx {
19 unsigned int req_flags ; 19 unsigned int req_flags ;
20 struct xdr_netobj share_key; 20 struct xdr_netobj share_key;
21 int conf_alg; 21 int conf_alg;
22 struct crypto_tfm* derived_conf_key; 22 struct crypto_blkcipher *derived_conf_key;
23 int intg_alg; 23 int intg_alg;
24 struct crypto_tfm* derived_integ_key; 24 struct crypto_blkcipher *derived_integ_key;
25 int keyestb_alg; /* alg used to get share_key */ 25 int keyestb_alg; /* alg used to get share_key */
26 int owf_alg; /* one way function */ 26 int owf_alg; /* one way function */
27}; 27};
diff --git a/include/net/ah.h b/include/net/ah.h
index ceff00afae09..8f257c159902 100644
--- a/include/net/ah.h
+++ b/include/net/ah.h
@@ -1,6 +1,7 @@
1#ifndef _NET_AH_H 1#ifndef _NET_AH_H
2#define _NET_AH_H 2#define _NET_AH_H
3 3
4#include <linux/crypto.h>
4#include <net/xfrm.h> 5#include <net/xfrm.h>
5 6
6/* This is the maximum truncated ICV length that we know of. */ 7/* This is the maximum truncated ICV length that we know of. */
@@ -14,22 +15,29 @@ struct ah_data
14 int icv_full_len; 15 int icv_full_len;
15 int icv_trunc_len; 16 int icv_trunc_len;
16 17
17 void (*icv)(struct ah_data*, 18 struct crypto_hash *tfm;
18 struct sk_buff *skb, u8 *icv);
19
20 struct crypto_tfm *tfm;
21}; 19};
22 20
23static inline void 21static inline int ah_mac_digest(struct ah_data *ahp, struct sk_buff *skb,
24ah_hmac_digest(struct ah_data *ahp, struct sk_buff *skb, u8 *auth_data) 22 u8 *auth_data)
25{ 23{
26 struct crypto_tfm *tfm = ahp->tfm; 24 struct hash_desc desc;
25 int err;
26
27 desc.tfm = ahp->tfm;
28 desc.flags = 0;
27 29
28 memset(auth_data, 0, ahp->icv_trunc_len); 30 memset(auth_data, 0, ahp->icv_trunc_len);
29 crypto_hmac_init(tfm, ahp->key, &ahp->key_len); 31 err = crypto_hash_init(&desc);
30 skb_icv_walk(skb, tfm, 0, skb->len, crypto_hmac_update); 32 if (unlikely(err))
31 crypto_hmac_final(tfm, ahp->key, &ahp->key_len, ahp->work_icv); 33 goto out;
32 memcpy(auth_data, ahp->work_icv, ahp->icv_trunc_len); 34 err = skb_icv_walk(skb, &desc, 0, skb->len, crypto_hash_update);
35 if (unlikely(err))
36 goto out;
37 err = crypto_hash_final(&desc, ahp->work_icv);
38
39out:
40 return err;
33} 41}
34 42
35#endif 43#endif
diff --git a/include/net/esp.h b/include/net/esp.h
index 90cd94fad7d9..064366d66eea 100644
--- a/include/net/esp.h
+++ b/include/net/esp.h
@@ -1,6 +1,7 @@
1#ifndef _NET_ESP_H 1#ifndef _NET_ESP_H
2#define _NET_ESP_H 2#define _NET_ESP_H
3 3
4#include <linux/crypto.h>
4#include <net/xfrm.h> 5#include <net/xfrm.h>
5#include <asm/scatterlist.h> 6#include <asm/scatterlist.h>
6 7
@@ -21,7 +22,7 @@ struct esp_data
21 * >= crypto_tfm_alg_ivsize(tfm). */ 22 * >= crypto_tfm_alg_ivsize(tfm). */
22 int ivlen; 23 int ivlen;
23 int padlen; /* 0..255 */ 24 int padlen; /* 0..255 */
24 struct crypto_tfm *tfm; /* crypto handle */ 25 struct crypto_blkcipher *tfm; /* crypto handle */
25 } conf; 26 } conf;
26 27
27 /* Integrity. It is active when icv_full_len != 0 */ 28 /* Integrity. It is active when icv_full_len != 0 */
@@ -34,7 +35,7 @@ struct esp_data
34 void (*icv)(struct esp_data*, 35 void (*icv)(struct esp_data*,
35 struct sk_buff *skb, 36 struct sk_buff *skb,
36 int offset, int len, u8 *icv); 37 int offset, int len, u8 *icv);
37 struct crypto_tfm *tfm; 38 struct crypto_hash *tfm;
38 } auth; 39 } auth;
39}; 40};
40 41
@@ -42,18 +43,22 @@ extern int skb_to_sgvec(struct sk_buff *skb, struct scatterlist *sg, int offset,
42extern int skb_cow_data(struct sk_buff *skb, int tailbits, struct sk_buff **trailer); 43extern int skb_cow_data(struct sk_buff *skb, int tailbits, struct sk_buff **trailer);
43extern void *pskb_put(struct sk_buff *skb, struct sk_buff *tail, int len); 44extern void *pskb_put(struct sk_buff *skb, struct sk_buff *tail, int len);
44 45
45static inline void 46static inline int esp_mac_digest(struct esp_data *esp, struct sk_buff *skb,
46esp_hmac_digest(struct esp_data *esp, struct sk_buff *skb, int offset, 47 int offset, int len)
47 int len, u8 *auth_data)
48{ 48{
49 struct crypto_tfm *tfm = esp->auth.tfm; 49 struct hash_desc desc;
50 char *icv = esp->auth.work_icv; 50 int err;
51 51
52 memset(auth_data, 0, esp->auth.icv_trunc_len); 52 desc.tfm = esp->auth.tfm;
53 crypto_hmac_init(tfm, esp->auth.key, &esp->auth.key_len); 53 desc.flags = 0;
54 skb_icv_walk(skb, tfm, offset, len, crypto_hmac_update); 54
55 crypto_hmac_final(tfm, esp->auth.key, &esp->auth.key_len, icv); 55 err = crypto_hash_init(&desc);
56 memcpy(auth_data, icv, esp->auth.icv_trunc_len); 56 if (unlikely(err))
57 return err;
58 err = skb_icv_walk(skb, &desc, offset, len, crypto_hash_update);
59 if (unlikely(err))
60 return err;
61 return crypto_hash_final(&desc, esp->auth.work_icv);
57} 62}
58 63
59#endif 64#endif
diff --git a/include/net/ipcomp.h b/include/net/ipcomp.h
index e651a57ecdd5..87c1af3e5e82 100644
--- a/include/net/ipcomp.h
+++ b/include/net/ipcomp.h
@@ -1,11 +1,14 @@
1#ifndef _NET_IPCOMP_H 1#ifndef _NET_IPCOMP_H
2#define _NET_IPCOMP_H 2#define _NET_IPCOMP_H
3 3
4#include <linux/crypto.h>
5#include <linux/types.h>
6
4#define IPCOMP_SCRATCH_SIZE 65400 7#define IPCOMP_SCRATCH_SIZE 65400
5 8
6struct ipcomp_data { 9struct ipcomp_data {
7 u16 threshold; 10 u16 threshold;
8 struct crypto_tfm **tfms; 11 struct crypto_comp **tfms;
9}; 12};
10 13
11#endif 14#endif
diff --git a/include/net/sctp/constants.h b/include/net/sctp/constants.h
index c51541ee0247..57166bfdf8eb 100644
--- a/include/net/sctp/constants.h
+++ b/include/net/sctp/constants.h
@@ -312,9 +312,9 @@ enum { SCTP_MAX_GABS = 16 };
312 */ 312 */
313 313
314#if defined (CONFIG_SCTP_HMAC_MD5) 314#if defined (CONFIG_SCTP_HMAC_MD5)
315#define SCTP_COOKIE_HMAC_ALG "md5" 315#define SCTP_COOKIE_HMAC_ALG "hmac(md5)"
316#elif defined (CONFIG_SCTP_HMAC_SHA1) 316#elif defined (CONFIG_SCTP_HMAC_SHA1)
317#define SCTP_COOKIE_HMAC_ALG "sha1" 317#define SCTP_COOKIE_HMAC_ALG "hmac(sha1)"
318#else 318#else
319#define SCTP_COOKIE_HMAC_ALG NULL 319#define SCTP_COOKIE_HMAC_ALG NULL
320#endif 320#endif
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 92eae0e0f3f1..1c1abce5f6b6 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -330,17 +330,6 @@ static inline void sctp_v6_exit(void) { return; }
330 330
331#endif /* #if defined(CONFIG_IPV6) */ 331#endif /* #if defined(CONFIG_IPV6) */
332 332
333/* Some wrappers, in case crypto not available. */
334#if defined (CONFIG_CRYPTO_HMAC)
335#define sctp_crypto_alloc_tfm crypto_alloc_tfm
336#define sctp_crypto_free_tfm crypto_free_tfm
337#define sctp_crypto_hmac crypto_hmac
338#else
339#define sctp_crypto_alloc_tfm(x...) NULL
340#define sctp_crypto_free_tfm(x...)
341#define sctp_crypto_hmac(x...)
342#endif
343
344 333
345/* Map an association to an assoc_id. */ 334/* Map an association to an assoc_id. */
346static inline sctp_assoc_t sctp_assoc2id(const struct sctp_association *asoc) 335static inline sctp_assoc_t sctp_assoc2id(const struct sctp_association *asoc)
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index e5aa7ff1f5b5..0412e730c765 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -87,6 +87,7 @@ struct sctp_bind_addr;
87struct sctp_ulpq; 87struct sctp_ulpq;
88struct sctp_ep_common; 88struct sctp_ep_common;
89struct sctp_ssnmap; 89struct sctp_ssnmap;
90struct crypto_hash;
90 91
91 92
92#include <net/sctp/tsnmap.h> 93#include <net/sctp/tsnmap.h>
@@ -264,7 +265,7 @@ struct sctp_sock {
264 struct sctp_pf *pf; 265 struct sctp_pf *pf;
265 266
266 /* Access to HMAC transform. */ 267 /* Access to HMAC transform. */
267 struct crypto_tfm *hmac; 268 struct crypto_hash *hmac;
268 269
269 /* What is our base endpointer? */ 270 /* What is our base endpointer? */
270 struct sctp_endpoint *ep; 271 struct sctp_endpoint *ep;
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 9c5ee9f20b65..3ecd9fa1ed4b 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -8,7 +8,6 @@
8#include <linux/list.h> 8#include <linux/list.h>
9#include <linux/skbuff.h> 9#include <linux/skbuff.h>
10#include <linux/socket.h> 10#include <linux/socket.h>
11#include <linux/crypto.h>
12#include <linux/pfkeyv2.h> 11#include <linux/pfkeyv2.h>
13#include <linux/in6.h> 12#include <linux/in6.h>
14#include <linux/mutex.h> 13#include <linux/mutex.h>
@@ -855,6 +854,7 @@ struct xfrm_algo_comp_info {
855 854
856struct xfrm_algo_desc { 855struct xfrm_algo_desc {
857 char *name; 856 char *name;
857 char *compat;
858 u8 available:1; 858 u8 available:1;
859 union { 859 union {
860 struct xfrm_algo_auth_info auth; 860 struct xfrm_algo_auth_info auth;
@@ -984,11 +984,13 @@ extern struct xfrm_algo_desc *xfrm_aalg_get_byname(char *name, int probe);
984extern struct xfrm_algo_desc *xfrm_ealg_get_byname(char *name, int probe); 984extern struct xfrm_algo_desc *xfrm_ealg_get_byname(char *name, int probe);
985extern struct xfrm_algo_desc *xfrm_calg_get_byname(char *name, int probe); 985extern struct xfrm_algo_desc *xfrm_calg_get_byname(char *name, int probe);
986 986
987struct crypto_tfm; 987struct hash_desc;
988typedef void (icv_update_fn_t)(struct crypto_tfm *, struct scatterlist *, unsigned int); 988struct scatterlist;
989typedef int (icv_update_fn_t)(struct hash_desc *, struct scatterlist *,
990 unsigned int);
989 991
990extern void skb_icv_walk(const struct sk_buff *skb, struct crypto_tfm *tfm, 992extern int skb_icv_walk(const struct sk_buff *skb, struct hash_desc *tfm,
991 int offset, int len, icv_update_fn_t icv_update); 993 int offset, int len, icv_update_fn_t icv_update);
992 994
993static inline int xfrm_addr_cmp(xfrm_address_t *a, xfrm_address_t *b, 995static inline int xfrm_addr_cmp(xfrm_address_t *a, xfrm_address_t *b,
994 int family) 996 int family)
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-16 22:37:02 -0500