Signed-off-by: Paulo Flabiano Smorigo <[email protected]>
---
drivers/crypto/vmx/aes_xts.c | 32 ++++++++++++++++++--------------
1 file changed, 18 insertions(+), 14 deletions(-)
diff --git a/drivers/crypto/vmx/aes_xts.c b/drivers/crypto/vmx/aes_xts.c
index 24353ec3..a8245e1 100644
--- a/drivers/crypto/vmx/aes_xts.c
+++ b/drivers/crypto/vmx/aes_xts.c
@@ -28,11 +28,12 @@
#include <crypto/aes.h>
#include <crypto/scatterwalk.h>
#include <crypto/xts.h>
+#include <crypto/internal/skcipher.h>
#include "aesp8-ppc.h"
struct p8_aes_xts_ctx {
- struct crypto_blkcipher *fallback;
+ struct crypto_skcipher *fallback;
struct aes_key enc_key;
struct aes_key dec_key;
struct aes_key tweak_key;
@@ -41,7 +42,7 @@ struct p8_aes_xts_ctx {
static int p8_aes_xts_init(struct crypto_tfm *tfm)
{
const char *alg;
- struct crypto_blkcipher *fallback;
+ struct crypto_skcipher *fallback;
struct p8_aes_xts_ctx *ctx = crypto_tfm_ctx(tfm);
if (!(alg = crypto_tfm_alg_name(tfm))) {
@@ -50,7 +51,7 @@ static int p8_aes_xts_init(struct crypto_tfm *tfm)
}
fallback =
- crypto_alloc_blkcipher(alg, 0, CRYPTO_ALG_NEED_FALLBACK);
+ crypto_alloc_skcipher(alg, 0, CRYPTO_ALG_NEED_FALLBACK);
if (IS_ERR(fallback)) {
printk(KERN_ERR
"Failed to allocate transformation for '%s': %ld\n",
@@ -60,9 +61,9 @@ static int p8_aes_xts_init(struct crypto_tfm *tfm)
printk(KERN_INFO "Using '%s' as fallback implementation.\n",
crypto_tfm_alg_driver_name((struct crypto_tfm *) fallback));
- crypto_blkcipher_set_flags(
+ crypto_skcipher_set_flags(
fallback,
- crypto_blkcipher_get_flags((struct crypto_blkcipher *)tfm));
+ crypto_skcipher_get_flags((struct crypto_skcipher *)tfm));
ctx->fallback = fallback;
return 0;
@@ -73,7 +74,7 @@ static void p8_aes_xts_exit(struct crypto_tfm *tfm)
struct p8_aes_xts_ctx *ctx = crypto_tfm_ctx(tfm);
if (ctx->fallback) {
- crypto_free_blkcipher(ctx->fallback);
+ crypto_free_skcipher(ctx->fallback);
ctx->fallback = NULL;
}
}
@@ -98,7 +99,7 @@ static int p8_aes_xts_setkey(struct crypto_tfm *tfm, const u8 *key,
pagefault_enable();
preempt_enable();
- ret += crypto_blkcipher_setkey(ctx->fallback, key, keylen);
+ ret += crypto_skcipher_setkey(ctx->fallback, key, keylen);
return ret;
}
@@ -113,15 +114,18 @@ static int p8_aes_xts_crypt(struct blkcipher_desc *desc,
struct blkcipher_walk walk;
struct p8_aes_xts_ctx *ctx =
crypto_tfm_ctx(crypto_blkcipher_tfm(desc->tfm));
- struct blkcipher_desc fallback_desc = {
- .tfm = ctx->fallback,
- .info = desc->info,
- .flags = desc->flags
- };
if (in_interrupt()) {
- ret = enc ? crypto_blkcipher_encrypt(&fallback_desc, dst, src, nbytes) :
- crypto_blkcipher_decrypt(&fallback_desc, dst, src, nbytes);
+ SKCIPHER_REQUEST_ON_STACK(req, ctx->fallback);
+ skcipher_request_set_tfm(req, ctx->fallback);
+ skcipher_request_set_callback(req, desc->flags, NULL, NULL);
+ skcipher_request_set_crypt(req, src, dst, nbytes, desc->info);
+ ret = crypto_skcipher_encrypt(req);
+ if (enc)
+ crypto_skcipher_encrypt(req);
+ else
+ crypto_skcipher_decrypt(req);
+ skcipher_request_zero(req);
} else {
preempt_disable();
pagefault_disable();
--
2.9.3
In addition to cbc comments:
On Wed, Feb 22, 2017 at 03:00:45PM -0300, Paulo Flabiano Smorigo wrote:
> Signed-off-by: Paulo Flabiano Smorigo <[email protected]>
> ---
> drivers/crypto/vmx/aes_xts.c | 32 ++++++++++++++++++--------------
> 1 file changed, 18 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/crypto/vmx/aes_xts.c b/drivers/crypto/vmx/aes_xts.c
> index 24353ec3..a8245e1 100644
> --- a/drivers/crypto/vmx/aes_xts.c
> +++ b/drivers/crypto/vmx/aes_xts.c
> @@ -28,11 +28,12 @@
> #include <crypto/aes.h>
> #include <crypto/scatterwalk.h>
> #include <crypto/xts.h>
> +#include <crypto/internal/skcipher.h>
>
> #include "aesp8-ppc.h"
>
> struct p8_aes_xts_ctx {
> - struct crypto_blkcipher *fallback;
> + struct crypto_skcipher *fallback;
> struct aes_key enc_key;
> struct aes_key dec_key;
> struct aes_key tweak_key;
> @@ -41,7 +42,7 @@ struct p8_aes_xts_ctx {
> static int p8_aes_xts_init(struct crypto_tfm *tfm)
> {
> const char *alg;
> - struct crypto_blkcipher *fallback;
> + struct crypto_skcipher *fallback;
> struct p8_aes_xts_ctx *ctx = crypto_tfm_ctx(tfm);
>
> if (!(alg = crypto_tfm_alg_name(tfm))) {
> @@ -50,7 +51,7 @@ static int p8_aes_xts_init(struct crypto_tfm *tfm)
> }
>
> fallback =
> - crypto_alloc_blkcipher(alg, 0, CRYPTO_ALG_NEED_FALLBACK);
> + crypto_alloc_skcipher(alg, 0, CRYPTO_ALG_NEED_FALLBACK);
> if (IS_ERR(fallback)) {
> printk(KERN_ERR
> "Failed to allocate transformation for '%s': %ld\n",
> @@ -60,9 +61,9 @@ static int p8_aes_xts_init(struct crypto_tfm *tfm)
> printk(KERN_INFO "Using '%s' as fallback implementation.\n",
> crypto_tfm_alg_driver_name((struct crypto_tfm *) fallback));
>
> - crypto_blkcipher_set_flags(
> + crypto_skcipher_set_flags(
> fallback,
> - crypto_blkcipher_get_flags((struct crypto_blkcipher *)tfm));
> + crypto_skcipher_get_flags((struct crypto_skcipher *)tfm));
> ctx->fallback = fallback;
>
> return 0;
> @@ -73,7 +74,7 @@ static void p8_aes_xts_exit(struct crypto_tfm *tfm)
> struct p8_aes_xts_ctx *ctx = crypto_tfm_ctx(tfm);
>
> if (ctx->fallback) {
> - crypto_free_blkcipher(ctx->fallback);
> + crypto_free_skcipher(ctx->fallback);
> ctx->fallback = NULL;
> }
> }
> @@ -98,7 +99,7 @@ static int p8_aes_xts_setkey(struct crypto_tfm *tfm, const u8 *key,
> pagefault_enable();
> preempt_enable();
>
> - ret += crypto_blkcipher_setkey(ctx->fallback, key, keylen);
> + ret += crypto_skcipher_setkey(ctx->fallback, key, keylen);
> return ret;
> }
>
> @@ -113,15 +114,18 @@ static int p8_aes_xts_crypt(struct blkcipher_desc *desc,
> struct blkcipher_walk walk;
> struct p8_aes_xts_ctx *ctx =
> crypto_tfm_ctx(crypto_blkcipher_tfm(desc->tfm));
> - struct blkcipher_desc fallback_desc = {
> - .tfm = ctx->fallback,
> - .info = desc->info,
> - .flags = desc->flags
> - };
>
> if (in_interrupt()) {
> - ret = enc ? crypto_blkcipher_encrypt(&fallback_desc, dst, src, nbytes) :
> - crypto_blkcipher_decrypt(&fallback_desc, dst, src, nbytes);
> + SKCIPHER_REQUEST_ON_STACK(req, ctx->fallback);
> + skcipher_request_set_tfm(req, ctx->fallback);
> + skcipher_request_set_callback(req, desc->flags, NULL, NULL);
> + skcipher_request_set_crypt(req, src, dst, nbytes, desc->info);
> + ret = crypto_skcipher_encrypt(req);
You probably don't want this crypto_skcipher_encrypt call.
> + if (enc)
> + crypto_skcipher_encrypt(req);
> + else
> + crypto_skcipher_decrypt(req);
And you should check the return values here.
> + skcipher_request_zero(req);
> } else {
> preempt_disable();
> pagefault_disable();
> --
> 2.9.3
>
--
Regards,
Marcelo
Signed-off-by: Paulo Flabiano Smorigo <[email protected]>
---
drivers/crypto/vmx/aes_xts.c | 30 +++++++++++++++---------------
1 file changed, 15 insertions(+), 15 deletions(-)
diff --git a/drivers/crypto/vmx/aes_xts.c b/drivers/crypto/vmx/aes_xts.c
index 24353ec3..a1e653a 100644
--- a/drivers/crypto/vmx/aes_xts.c
+++ b/drivers/crypto/vmx/aes_xts.c
@@ -28,11 +28,12 @@
#include <crypto/aes.h>
#include <crypto/scatterwalk.h>
#include <crypto/xts.h>
+#include <crypto/skcipher.h>
#include "aesp8-ppc.h"
struct p8_aes_xts_ctx {
- struct crypto_blkcipher *fallback;
+ struct crypto_skcipher *fallback;
struct aes_key enc_key;
struct aes_key dec_key;
struct aes_key tweak_key;
@@ -41,7 +42,7 @@ struct p8_aes_xts_ctx {
static int p8_aes_xts_init(struct crypto_tfm *tfm)
{
const char *alg;
- struct crypto_blkcipher *fallback;
+ struct crypto_skcipher *fallback;
struct p8_aes_xts_ctx *ctx = crypto_tfm_ctx(tfm);
if (!(alg = crypto_tfm_alg_name(tfm))) {
@@ -49,8 +50,8 @@ static int p8_aes_xts_init(struct crypto_tfm *tfm)
return -ENOENT;
}
- fallback =
- crypto_alloc_blkcipher(alg, 0, CRYPTO_ALG_NEED_FALLBACK);
+ fallback = crypto_alloc_skcipher(alg, 0,
+ CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK);
if (IS_ERR(fallback)) {
printk(KERN_ERR
"Failed to allocate transformation for '%s': %ld\n",
@@ -60,9 +61,9 @@ static int p8_aes_xts_init(struct crypto_tfm *tfm)
printk(KERN_INFO "Using '%s' as fallback implementation.\n",
crypto_tfm_alg_driver_name((struct crypto_tfm *) fallback));
- crypto_blkcipher_set_flags(
+ crypto_skcipher_set_flags(
fallback,
- crypto_blkcipher_get_flags((struct crypto_blkcipher *)tfm));
+ crypto_skcipher_get_flags((struct crypto_skcipher *)tfm));
ctx->fallback = fallback;
return 0;
@@ -73,7 +74,7 @@ static void p8_aes_xts_exit(struct crypto_tfm *tfm)
struct p8_aes_xts_ctx *ctx = crypto_tfm_ctx(tfm);
if (ctx->fallback) {
- crypto_free_blkcipher(ctx->fallback);
+ crypto_free_skcipher(ctx->fallback);
ctx->fallback = NULL;
}
}
@@ -98,7 +99,7 @@ static int p8_aes_xts_setkey(struct crypto_tfm *tfm, const u8 *key,
pagefault_enable();
preempt_enable();
- ret += crypto_blkcipher_setkey(ctx->fallback, key, keylen);
+ ret += crypto_skcipher_setkey(ctx->fallback, key, keylen);
return ret;
}
@@ -113,15 +114,14 @@ static int p8_aes_xts_crypt(struct blkcipher_desc *desc,
struct blkcipher_walk walk;
struct p8_aes_xts_ctx *ctx =
crypto_tfm_ctx(crypto_blkcipher_tfm(desc->tfm));
- struct blkcipher_desc fallback_desc = {
- .tfm = ctx->fallback,
- .info = desc->info,
- .flags = desc->flags
- };
if (in_interrupt()) {
- ret = enc ? crypto_blkcipher_encrypt(&fallback_desc, dst, src, nbytes) :
- crypto_blkcipher_decrypt(&fallback_desc, dst, src, nbytes);
+ SKCIPHER_REQUEST_ON_STACK(req, ctx->fallback);
+ skcipher_request_set_tfm(req, ctx->fallback);
+ skcipher_request_set_callback(req, desc->flags, NULL, NULL);
+ skcipher_request_set_crypt(req, src, dst, nbytes, desc->info);
+ ret = enc? crypto_skcipher_encrypt(req) : crypto_skcipher_decrypt(req);
+ skcipher_request_zero(req);
} else {
preempt_disable();
pagefault_disable();
--
2.7.4
Signed-off-by: Paulo Flabiano Smorigo <[email protected]>
---
drivers/crypto/vmx/aes_xts.c | 32 ++++++++++++++++----------------
1 file changed, 16 insertions(+), 16 deletions(-)
diff --git a/drivers/crypto/vmx/aes_xts.c b/drivers/crypto/vmx/aes_xts.c
index 24353ec3..6adc929 100644
--- a/drivers/crypto/vmx/aes_xts.c
+++ b/drivers/crypto/vmx/aes_xts.c
@@ -28,11 +28,12 @@
#include <crypto/aes.h>
#include <crypto/scatterwalk.h>
#include <crypto/xts.h>
+#include <crypto/skcipher.h>
#include "aesp8-ppc.h"
struct p8_aes_xts_ctx {
- struct crypto_blkcipher *fallback;
+ struct crypto_skcipher *fallback;
struct aes_key enc_key;
struct aes_key dec_key;
struct aes_key tweak_key;
@@ -41,7 +42,7 @@ struct p8_aes_xts_ctx {
static int p8_aes_xts_init(struct crypto_tfm *tfm)
{
const char *alg;
- struct crypto_blkcipher *fallback;
+ struct crypto_skcipher *fallback;
struct p8_aes_xts_ctx *ctx = crypto_tfm_ctx(tfm);
if (!(alg = crypto_tfm_alg_name(tfm))) {
@@ -49,8 +50,8 @@ static int p8_aes_xts_init(struct crypto_tfm *tfm)
return -ENOENT;
}
- fallback =
- crypto_alloc_blkcipher(alg, 0, CRYPTO_ALG_NEED_FALLBACK);
+ fallback = crypto_alloc_skcipher(alg, 0,
+ CRYPTO_ALG_ASYNC | CRYPTO_ALG_NEED_FALLBACK);
if (IS_ERR(fallback)) {
printk(KERN_ERR
"Failed to allocate transformation for '%s': %ld\n",
@@ -58,11 +59,11 @@ static int p8_aes_xts_init(struct crypto_tfm *tfm)
return PTR_ERR(fallback);
}
printk(KERN_INFO "Using '%s' as fallback implementation.\n",
- crypto_tfm_alg_driver_name((struct crypto_tfm *) fallback));
+ crypto_skcipher_driver_name(fallback));
- crypto_blkcipher_set_flags(
+ crypto_skcipher_set_flags(
fallback,
- crypto_blkcipher_get_flags((struct crypto_blkcipher *)tfm));
+ crypto_skcipher_get_flags((struct crypto_skcipher *)tfm));
ctx->fallback = fallback;
return 0;
@@ -73,7 +74,7 @@ static void p8_aes_xts_exit(struct crypto_tfm *tfm)
struct p8_aes_xts_ctx *ctx = crypto_tfm_ctx(tfm);
if (ctx->fallback) {
- crypto_free_blkcipher(ctx->fallback);
+ crypto_free_skcipher(ctx->fallback);
ctx->fallback = NULL;
}
}
@@ -98,7 +99,7 @@ static int p8_aes_xts_setkey(struct crypto_tfm *tfm, const u8 *key,
pagefault_enable();
preempt_enable();
- ret += crypto_blkcipher_setkey(ctx->fallback, key, keylen);
+ ret += crypto_skcipher_setkey(ctx->fallback, key, keylen);
return ret;
}
@@ -113,15 +114,14 @@ static int p8_aes_xts_crypt(struct blkcipher_desc *desc,
struct blkcipher_walk walk;
struct p8_aes_xts_ctx *ctx =
crypto_tfm_ctx(crypto_blkcipher_tfm(desc->tfm));
- struct blkcipher_desc fallback_desc = {
- .tfm = ctx->fallback,
- .info = desc->info,
- .flags = desc->flags
- };
if (in_interrupt()) {
- ret = enc ? crypto_blkcipher_encrypt(&fallback_desc, dst, src, nbytes) :
- crypto_blkcipher_decrypt(&fallback_desc, dst, src, nbytes);
+ SKCIPHER_REQUEST_ON_STACK(req, ctx->fallback);
+ skcipher_request_set_tfm(req, ctx->fallback);
+ skcipher_request_set_callback(req, desc->flags, NULL, NULL);
+ skcipher_request_set_crypt(req, src, dst, nbytes, desc->info);
+ ret = enc? crypto_skcipher_encrypt(req) : crypto_skcipher_decrypt(req);
+ skcipher_request_zero(req);
} else {
preempt_disable();
pagefault_disable();
--
2.9.3
On Wed, Mar 01, 2017 at 11:00:00AM -0300, Paulo Flabiano Smorigo wrote:
> Signed-off-by: Paulo Flabiano Smorigo <[email protected]>
Patch applied. Thanks.
--
Email: Herbert Xu <[email protected]>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt