diff options
Diffstat (limited to 'crypto')
-rw-r--r-- | crypto/Kconfig | 6 | ||||
-rw-r--r-- | crypto/ablkcipher.c | 31 | ||||
-rw-r--r-- | crypto/algapi.c | 4 | ||||
-rw-r--r-- | crypto/api.c | 2 | ||||
-rw-r--r-- | crypto/blkcipher.c | 25 | ||||
-rw-r--r-- | crypto/cipher.c | 33 | ||||
-rw-r--r-- | crypto/hash.c | 38 |
7 files changed, 125 insertions, 14 deletions
diff --git a/crypto/Kconfig b/crypto/Kconfig index 07090e9f9bcf..3d1a1e27944f 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig | |||
@@ -12,9 +12,7 @@ source "crypto/async_tx/Kconfig" | |||
12 | # | 12 | # |
13 | # Cryptographic API Configuration | 13 | # Cryptographic API Configuration |
14 | # | 14 | # |
15 | menu "Cryptographic options" | 15 | menuconfig CRYPTO |
16 | |||
17 | config CRYPTO | ||
18 | bool "Cryptographic API" | 16 | bool "Cryptographic API" |
19 | help | 17 | help |
20 | This option provides the core Cryptographic API. | 18 | This option provides the core Cryptographic API. |
@@ -473,5 +471,3 @@ config CRYPTO_TEST | |||
473 | source "drivers/crypto/Kconfig" | 471 | source "drivers/crypto/Kconfig" |
474 | 472 | ||
475 | endif # if CRYPTO | 473 | endif # if CRYPTO |
476 | |||
477 | endmenu | ||
diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c index 9348ddd84a56..1c166b47b4cc 100644 --- a/crypto/ablkcipher.c +++ b/crypto/ablkcipher.c | |||
@@ -19,16 +19,41 @@ | |||
19 | #include <linux/module.h> | 19 | #include <linux/module.h> |
20 | #include <linux/seq_file.h> | 20 | #include <linux/seq_file.h> |
21 | 21 | ||
22 | static int setkey_unaligned(struct crypto_ablkcipher *tfm, const u8 *key, unsigned int keylen) | ||
23 | { | ||
24 | struct ablkcipher_alg *cipher = crypto_ablkcipher_alg(tfm); | ||
25 | unsigned long alignmask = crypto_ablkcipher_alignmask(tfm); | ||
26 | int ret; | ||
27 | u8 *buffer, *alignbuffer; | ||
28 | unsigned long absize; | ||
29 | |||
30 | absize = keylen + alignmask; | ||
31 | buffer = kmalloc(absize, GFP_ATOMIC); | ||
32 | if (!buffer) | ||
33 | return -ENOMEM; | ||
34 | |||
35 | alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1); | ||
36 | memcpy(alignbuffer, key, keylen); | ||
37 | ret = cipher->setkey(tfm, alignbuffer, keylen); | ||
38 | memset(alignbuffer, 0, absize); | ||
39 | kfree(buffer); | ||
40 | return ret; | ||
41 | } | ||
42 | |||
22 | static int setkey(struct crypto_ablkcipher *tfm, const u8 *key, | 43 | static int setkey(struct crypto_ablkcipher *tfm, const u8 *key, |
23 | unsigned int keylen) | 44 | unsigned int keylen) |
24 | { | 45 | { |
25 | struct ablkcipher_alg *cipher = crypto_ablkcipher_alg(tfm); | 46 | struct ablkcipher_alg *cipher = crypto_ablkcipher_alg(tfm); |
47 | unsigned long alignmask = crypto_ablkcipher_alignmask(tfm); | ||
26 | 48 | ||
27 | if (keylen < cipher->min_keysize || keylen > cipher->max_keysize) { | 49 | if (keylen < cipher->min_keysize || keylen > cipher->max_keysize) { |
28 | crypto_ablkcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); | 50 | crypto_ablkcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); |
29 | return -EINVAL; | 51 | return -EINVAL; |
30 | } | 52 | } |
31 | 53 | ||
54 | if ((unsigned long)key & alignmask) | ||
55 | return setkey_unaligned(tfm, key, keylen); | ||
56 | |||
32 | return cipher->setkey(tfm, key, keylen); | 57 | return cipher->setkey(tfm, key, keylen); |
33 | } | 58 | } |
34 | 59 | ||
@@ -66,8 +91,10 @@ static void crypto_ablkcipher_show(struct seq_file *m, struct crypto_alg *alg) | |||
66 | seq_printf(m, "min keysize : %u\n", ablkcipher->min_keysize); | 91 | seq_printf(m, "min keysize : %u\n", ablkcipher->min_keysize); |
67 | seq_printf(m, "max keysize : %u\n", ablkcipher->max_keysize); | 92 | seq_printf(m, "max keysize : %u\n", ablkcipher->max_keysize); |
68 | seq_printf(m, "ivsize : %u\n", ablkcipher->ivsize); | 93 | seq_printf(m, "ivsize : %u\n", ablkcipher->ivsize); |
69 | seq_printf(m, "qlen : %u\n", ablkcipher->queue->qlen); | 94 | if (ablkcipher->queue) { |
70 | seq_printf(m, "max qlen : %u\n", ablkcipher->queue->max_qlen); | 95 | seq_printf(m, "qlen : %u\n", ablkcipher->queue->qlen); |
96 | seq_printf(m, "max qlen : %u\n", ablkcipher->queue->max_qlen); | ||
97 | } | ||
71 | } | 98 | } |
72 | 99 | ||
73 | const struct crypto_type crypto_ablkcipher_type = { | 100 | const struct crypto_type crypto_ablkcipher_type = { |
diff --git a/crypto/algapi.c b/crypto/algapi.c index f137a432061f..38aa9e994703 100644 --- a/crypto/algapi.c +++ b/crypto/algapi.c | |||
@@ -34,7 +34,7 @@ void crypto_larval_error(const char *name, u32 type, u32 mask) | |||
34 | if (alg) { | 34 | if (alg) { |
35 | if (crypto_is_larval(alg)) { | 35 | if (crypto_is_larval(alg)) { |
36 | struct crypto_larval *larval = (void *)alg; | 36 | struct crypto_larval *larval = (void *)alg; |
37 | complete(&larval->completion); | 37 | complete_all(&larval->completion); |
38 | } | 38 | } |
39 | crypto_mod_put(alg); | 39 | crypto_mod_put(alg); |
40 | } | 40 | } |
@@ -164,7 +164,7 @@ static int __crypto_register_alg(struct crypto_alg *alg, | |||
164 | continue; | 164 | continue; |
165 | 165 | ||
166 | larval->adult = alg; | 166 | larval->adult = alg; |
167 | complete(&larval->completion); | 167 | complete_all(&larval->completion); |
168 | continue; | 168 | continue; |
169 | } | 169 | } |
170 | 170 | ||
diff --git a/crypto/api.c b/crypto/api.c index 33734fd9198f..4ccc5af6c265 100644 --- a/crypto/api.c +++ b/crypto/api.c | |||
@@ -144,7 +144,7 @@ static void crypto_larval_kill(struct crypto_alg *alg) | |||
144 | down_write(&crypto_alg_sem); | 144 | down_write(&crypto_alg_sem); |
145 | list_del(&alg->cra_list); | 145 | list_del(&alg->cra_list); |
146 | up_write(&crypto_alg_sem); | 146 | up_write(&crypto_alg_sem); |
147 | complete(&larval->completion); | 147 | complete_all(&larval->completion); |
148 | crypto_alg_put(alg); | 148 | crypto_alg_put(alg); |
149 | } | 149 | } |
150 | 150 | ||
diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c index 8edf40c835a7..40a3dcff15bb 100644 --- a/crypto/blkcipher.c +++ b/crypto/blkcipher.c | |||
@@ -336,16 +336,41 @@ static int blkcipher_walk_first(struct blkcipher_desc *desc, | |||
336 | return blkcipher_walk_next(desc, walk); | 336 | return blkcipher_walk_next(desc, walk); |
337 | } | 337 | } |
338 | 338 | ||
339 | static int setkey_unaligned(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) | ||
340 | { | ||
341 | struct blkcipher_alg *cipher = &tfm->__crt_alg->cra_blkcipher; | ||
342 | unsigned long alignmask = crypto_tfm_alg_alignmask(tfm); | ||
343 | int ret; | ||
344 | u8 *buffer, *alignbuffer; | ||
345 | unsigned long absize; | ||
346 | |||
347 | absize = keylen + alignmask; | ||
348 | buffer = kmalloc(absize, GFP_ATOMIC); | ||
349 | if (!buffer) | ||
350 | return -ENOMEM; | ||
351 | |||
352 | alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1); | ||
353 | memcpy(alignbuffer, key, keylen); | ||
354 | ret = cipher->setkey(tfm, alignbuffer, keylen); | ||
355 | memset(alignbuffer, 0, absize); | ||
356 | kfree(buffer); | ||
357 | return ret; | ||
358 | } | ||
359 | |||
339 | static int setkey(struct crypto_tfm *tfm, const u8 *key, | 360 | static int setkey(struct crypto_tfm *tfm, const u8 *key, |
340 | unsigned int keylen) | 361 | unsigned int keylen) |
341 | { | 362 | { |
342 | struct blkcipher_alg *cipher = &tfm->__crt_alg->cra_blkcipher; | 363 | struct blkcipher_alg *cipher = &tfm->__crt_alg->cra_blkcipher; |
364 | unsigned long alignmask = crypto_tfm_alg_alignmask(tfm); | ||
343 | 365 | ||
344 | if (keylen < cipher->min_keysize || keylen > cipher->max_keysize) { | 366 | if (keylen < cipher->min_keysize || keylen > cipher->max_keysize) { |
345 | tfm->crt_flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; | 367 | tfm->crt_flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; |
346 | return -EINVAL; | 368 | return -EINVAL; |
347 | } | 369 | } |
348 | 370 | ||
371 | if ((unsigned long)key & alignmask) | ||
372 | return setkey_unaligned(tfm, key, keylen); | ||
373 | |||
349 | return cipher->setkey(tfm, key, keylen); | 374 | return cipher->setkey(tfm, key, keylen); |
350 | } | 375 | } |
351 | 376 | ||
diff --git a/crypto/cipher.c b/crypto/cipher.c index 333aab2f0277..0b2650c2014b 100644 --- a/crypto/cipher.c +++ b/crypto/cipher.c | |||
@@ -20,16 +20,43 @@ | |||
20 | #include <linux/string.h> | 20 | #include <linux/string.h> |
21 | #include "internal.h" | 21 | #include "internal.h" |
22 | 22 | ||
23 | static int setkey_unaligned(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) | ||
24 | { | ||
25 | struct cipher_alg *cia = &tfm->__crt_alg->cra_cipher; | ||
26 | unsigned long alignmask = crypto_tfm_alg_alignmask(tfm); | ||
27 | int ret; | ||
28 | u8 *buffer, *alignbuffer; | ||
29 | unsigned long absize; | ||
30 | |||
31 | absize = keylen + alignmask; | ||
32 | buffer = kmalloc(absize, GFP_ATOMIC); | ||
33 | if (!buffer) | ||
34 | return -ENOMEM; | ||
35 | |||
36 | alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1); | ||
37 | memcpy(alignbuffer, key, keylen); | ||
38 | ret = cia->cia_setkey(tfm, alignbuffer, keylen); | ||
39 | memset(alignbuffer, 0, absize); | ||
40 | kfree(buffer); | ||
41 | return ret; | ||
42 | |||
43 | } | ||
44 | |||
23 | static int setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) | 45 | static int setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen) |
24 | { | 46 | { |
25 | struct cipher_alg *cia = &tfm->__crt_alg->cra_cipher; | 47 | struct cipher_alg *cia = &tfm->__crt_alg->cra_cipher; |
26 | 48 | unsigned long alignmask = crypto_tfm_alg_alignmask(tfm); | |
49 | |||
27 | tfm->crt_flags &= ~CRYPTO_TFM_RES_MASK; | 50 | tfm->crt_flags &= ~CRYPTO_TFM_RES_MASK; |
28 | if (keylen < cia->cia_min_keysize || keylen > cia->cia_max_keysize) { | 51 | if (keylen < cia->cia_min_keysize || keylen > cia->cia_max_keysize) { |
29 | tfm->crt_flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; | 52 | tfm->crt_flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; |
30 | return -EINVAL; | 53 | return -EINVAL; |
31 | } else | 54 | } |
32 | return cia->cia_setkey(tfm, key, keylen); | 55 | |
56 | if ((unsigned long)key & alignmask) | ||
57 | return setkey_unaligned(tfm, key, keylen); | ||
58 | |||
59 | return cia->cia_setkey(tfm, key, keylen); | ||
33 | } | 60 | } |
34 | 61 | ||
35 | static void cipher_crypt_unaligned(void (*fn)(struct crypto_tfm *, u8 *, | 62 | static void cipher_crypt_unaligned(void (*fn)(struct crypto_tfm *, u8 *, |
diff --git a/crypto/hash.c b/crypto/hash.c index 4ccd22deef39..4d75ca7b57b2 100644 --- a/crypto/hash.c +++ b/crypto/hash.c | |||
@@ -22,6 +22,42 @@ static unsigned int crypto_hash_ctxsize(struct crypto_alg *alg, u32 type, | |||
22 | return alg->cra_ctxsize; | 22 | return alg->cra_ctxsize; |
23 | } | 23 | } |
24 | 24 | ||
25 | static int hash_setkey_unaligned(struct crypto_hash *crt, const u8 *key, | ||
26 | unsigned int keylen) | ||
27 | { | ||
28 | struct crypto_tfm *tfm = crypto_hash_tfm(crt); | ||
29 | struct hash_alg *alg = &tfm->__crt_alg->cra_hash; | ||
30 | unsigned long alignmask = crypto_hash_alignmask(crt); | ||
31 | int ret; | ||
32 | u8 *buffer, *alignbuffer; | ||
33 | unsigned long absize; | ||
34 | |||
35 | absize = keylen + alignmask; | ||
36 | buffer = kmalloc(absize, GFP_ATOMIC); | ||
37 | if (!buffer) | ||
38 | return -ENOMEM; | ||
39 | |||
40 | alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1); | ||
41 | memcpy(alignbuffer, key, keylen); | ||
42 | ret = alg->setkey(crt, alignbuffer, keylen); | ||
43 | memset(alignbuffer, 0, absize); | ||
44 | kfree(buffer); | ||
45 | return ret; | ||
46 | } | ||
47 | |||
48 | static int hash_setkey(struct crypto_hash *crt, const u8 *key, | ||
49 | unsigned int keylen) | ||
50 | { | ||
51 | struct crypto_tfm *tfm = crypto_hash_tfm(crt); | ||
52 | struct hash_alg *alg = &tfm->__crt_alg->cra_hash; | ||
53 | unsigned long alignmask = crypto_hash_alignmask(crt); | ||
54 | |||
55 | if ((unsigned long)key & alignmask) | ||
56 | return hash_setkey_unaligned(crt, key, keylen); | ||
57 | |||
58 | return alg->setkey(crt, key, keylen); | ||
59 | } | ||
60 | |||
25 | static int crypto_init_hash_ops(struct crypto_tfm *tfm, u32 type, u32 mask) | 61 | static int crypto_init_hash_ops(struct crypto_tfm *tfm, u32 type, u32 mask) |
26 | { | 62 | { |
27 | struct hash_tfm *crt = &tfm->crt_hash; | 63 | struct hash_tfm *crt = &tfm->crt_hash; |
@@ -34,7 +70,7 @@ static int crypto_init_hash_ops(struct crypto_tfm *tfm, u32 type, u32 mask) | |||
34 | crt->update = alg->update; | 70 | crt->update = alg->update; |
35 | crt->final = alg->final; | 71 | crt->final = alg->final; |
36 | crt->digest = alg->digest; | 72 | crt->digest = alg->digest; |
37 | crt->setkey = alg->setkey; | 73 | crt->setkey = hash_setkey; |
38 | crt->digestsize = alg->digestsize; | 74 | crt->digestsize = alg->digestsize; |
39 | 75 | ||
40 | return 0; | 76 | return 0; |