summaryrefslogtreecommitdiff
path: root/crypto
diff options
context:
space:
mode:
Diffstat (limited to 'crypto')
-rw-r--r--crypto/Kconfig6
-rw-r--r--crypto/ablkcipher.c31
-rw-r--r--crypto/algapi.c4
-rw-r--r--crypto/api.c2
-rw-r--r--crypto/blkcipher.c25
-rw-r--r--crypto/cipher.c33
-rw-r--r--crypto/hash.c38
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"
#
# Cryptographic API Configuration
#
-menu "Cryptographic options"
-
-config CRYPTO
+menuconfig CRYPTO
bool "Cryptographic API"
help
This option provides the core Cryptographic API.
@@ -473,5 +471,3 @@ config CRYPTO_TEST
source "drivers/crypto/Kconfig"
endif # if CRYPTO
-
-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 @@
#include <linux/module.h>
#include <linux/seq_file.h>
+static int setkey_unaligned(struct crypto_ablkcipher *tfm, const u8 *key, unsigned int keylen)
+{
+ struct ablkcipher_alg *cipher = crypto_ablkcipher_alg(tfm);
+ unsigned long alignmask = crypto_ablkcipher_alignmask(tfm);
+ int ret;
+ u8 *buffer, *alignbuffer;
+ unsigned long absize;
+
+ absize = keylen + alignmask;
+ buffer = kmalloc(absize, GFP_ATOMIC);
+ if (!buffer)
+ return -ENOMEM;
+
+ alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1);
+ memcpy(alignbuffer, key, keylen);
+ ret = cipher->setkey(tfm, alignbuffer, keylen);
+ memset(alignbuffer, 0, absize);
+ kfree(buffer);
+ return ret;
+}
+
static int setkey(struct crypto_ablkcipher *tfm, const u8 *key,
unsigned int keylen)
{
struct ablkcipher_alg *cipher = crypto_ablkcipher_alg(tfm);
+ unsigned long alignmask = crypto_ablkcipher_alignmask(tfm);
if (keylen < cipher->min_keysize || keylen > cipher->max_keysize) {
crypto_ablkcipher_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN);
return -EINVAL;
}
+ if ((unsigned long)key & alignmask)
+ return setkey_unaligned(tfm, key, keylen);
+
return cipher->setkey(tfm, key, keylen);
}
@@ -66,8 +91,10 @@ static void crypto_ablkcipher_show(struct seq_file *m, struct crypto_alg *alg)
seq_printf(m, "min keysize : %u\n", ablkcipher->min_keysize);
seq_printf(m, "max keysize : %u\n", ablkcipher->max_keysize);
seq_printf(m, "ivsize : %u\n", ablkcipher->ivsize);
- seq_printf(m, "qlen : %u\n", ablkcipher->queue->qlen);
- seq_printf(m, "max qlen : %u\n", ablkcipher->queue->max_qlen);
+ if (ablkcipher->queue) {
+ seq_printf(m, "qlen : %u\n", ablkcipher->queue->qlen);
+ seq_printf(m, "max qlen : %u\n", ablkcipher->queue->max_qlen);
+ }
}
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)
if (alg) {
if (crypto_is_larval(alg)) {
struct crypto_larval *larval = (void *)alg;
- complete(&larval->completion);
+ complete_all(&larval->completion);
}
crypto_mod_put(alg);
}
@@ -164,7 +164,7 @@ static int __crypto_register_alg(struct crypto_alg *alg,
continue;
larval->adult = alg;
- complete(&larval->completion);
+ complete_all(&larval->completion);
continue;
}
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)
down_write(&crypto_alg_sem);
list_del(&alg->cra_list);
up_write(&crypto_alg_sem);
- complete(&larval->completion);
+ complete_all(&larval->completion);
crypto_alg_put(alg);
}
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,
return blkcipher_walk_next(desc, walk);
}
+static int setkey_unaligned(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen)
+{
+ struct blkcipher_alg *cipher = &tfm->__crt_alg->cra_blkcipher;
+ unsigned long alignmask = crypto_tfm_alg_alignmask(tfm);
+ int ret;
+ u8 *buffer, *alignbuffer;
+ unsigned long absize;
+
+ absize = keylen + alignmask;
+ buffer = kmalloc(absize, GFP_ATOMIC);
+ if (!buffer)
+ return -ENOMEM;
+
+ alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1);
+ memcpy(alignbuffer, key, keylen);
+ ret = cipher->setkey(tfm, alignbuffer, keylen);
+ memset(alignbuffer, 0, absize);
+ kfree(buffer);
+ return ret;
+}
+
static int setkey(struct crypto_tfm *tfm, const u8 *key,
unsigned int keylen)
{
struct blkcipher_alg *cipher = &tfm->__crt_alg->cra_blkcipher;
+ unsigned long alignmask = crypto_tfm_alg_alignmask(tfm);
if (keylen < cipher->min_keysize || keylen > cipher->max_keysize) {
tfm->crt_flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
return -EINVAL;
}
+ if ((unsigned long)key & alignmask)
+ return setkey_unaligned(tfm, key, keylen);
+
return cipher->setkey(tfm, key, keylen);
}
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 @@
#include <linux/string.h>
#include "internal.h"
+static int setkey_unaligned(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen)
+{
+ struct cipher_alg *cia = &tfm->__crt_alg->cra_cipher;
+ unsigned long alignmask = crypto_tfm_alg_alignmask(tfm);
+ int ret;
+ u8 *buffer, *alignbuffer;
+ unsigned long absize;
+
+ absize = keylen + alignmask;
+ buffer = kmalloc(absize, GFP_ATOMIC);
+ if (!buffer)
+ return -ENOMEM;
+
+ alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1);
+ memcpy(alignbuffer, key, keylen);
+ ret = cia->cia_setkey(tfm, alignbuffer, keylen);
+ memset(alignbuffer, 0, absize);
+ kfree(buffer);
+ return ret;
+
+}
+
static int setkey(struct crypto_tfm *tfm, const u8 *key, unsigned int keylen)
{
struct cipher_alg *cia = &tfm->__crt_alg->cra_cipher;
-
+ unsigned long alignmask = crypto_tfm_alg_alignmask(tfm);
+
tfm->crt_flags &= ~CRYPTO_TFM_RES_MASK;
if (keylen < cia->cia_min_keysize || keylen > cia->cia_max_keysize) {
tfm->crt_flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
return -EINVAL;
- } else
- return cia->cia_setkey(tfm, key, keylen);
+ }
+
+ if ((unsigned long)key & alignmask)
+ return setkey_unaligned(tfm, key, keylen);
+
+ return cia->cia_setkey(tfm, key, keylen);
}
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,
return alg->cra_ctxsize;
}
+static int hash_setkey_unaligned(struct crypto_hash *crt, const u8 *key,
+ unsigned int keylen)
+{
+ struct crypto_tfm *tfm = crypto_hash_tfm(crt);
+ struct hash_alg *alg = &tfm->__crt_alg->cra_hash;
+ unsigned long alignmask = crypto_hash_alignmask(crt);
+ int ret;
+ u8 *buffer, *alignbuffer;
+ unsigned long absize;
+
+ absize = keylen + alignmask;
+ buffer = kmalloc(absize, GFP_ATOMIC);
+ if (!buffer)
+ return -ENOMEM;
+
+ alignbuffer = (u8 *)ALIGN((unsigned long)buffer, alignmask + 1);
+ memcpy(alignbuffer, key, keylen);
+ ret = alg->setkey(crt, alignbuffer, keylen);
+ memset(alignbuffer, 0, absize);
+ kfree(buffer);
+ return ret;
+}
+
+static int hash_setkey(struct crypto_hash *crt, const u8 *key,
+ unsigned int keylen)
+{
+ struct crypto_tfm *tfm = crypto_hash_tfm(crt);
+ struct hash_alg *alg = &tfm->__crt_alg->cra_hash;
+ unsigned long alignmask = crypto_hash_alignmask(crt);
+
+ if ((unsigned long)key & alignmask)
+ return hash_setkey_unaligned(crt, key, keylen);
+
+ return alg->setkey(crt, key, keylen);
+}
+
static int crypto_init_hash_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
{
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)
crt->update = alg->update;
crt->final = alg->final;
crt->digest = alg->digest;
- crt->setkey = alg->setkey;
+ crt->setkey = hash_setkey;
crt->digestsize = alg->digestsize;
return 0;
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-06 07:28:38 +0000