[PATCH Xenial SRU] crypto: vmx - IV size failing on skcipher API

Tim Gardner tim.gardner at canonical.com
Mon Jun 27 15:12:02 UTC 2016


From: Leonidas Da Silva Barbosa <leosilva at linux.vnet.ibm.com>

BugLink: http://bugs.launchpad.net/bugs/1596557

IV size was zero on CBC and CTR modes,
causing a bug triggered by skcipher.

Fixing this  adding a correct size.

Signed-off-by: Leonidas Da Silva Barbosa <leosilva at linux.vnet.ibm.com>
Signed-off-by: Paulo Smorigo <pfsmorigo at linux.vnet.ibm.com>
Signed-off-by: Herbert Xu <herbert at gondor.apana.org.au>
(cherry picked from commit 0d3d054b43719ef33232677ba27ba6097afdafbc)
Signed-off-by: Tim Gardner <tim.gardner at canonical.com>
---
 drivers/crypto/vmx/aes_cbc.c | 2 +-
 drivers/crypto/vmx/aes_ctr.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/vmx/aes_cbc.c b/drivers/crypto/vmx/aes_cbc.c
index f3801b9..3f8bb9a 100644
--- a/drivers/crypto/vmx/aes_cbc.c
+++ b/drivers/crypto/vmx/aes_cbc.c
@@ -191,7 +191,7 @@ struct crypto_alg p8_aes_cbc_alg = {
 	.cra_init = p8_aes_cbc_init,
 	.cra_exit = p8_aes_cbc_exit,
 	.cra_blkcipher = {
-			  .ivsize = 0,
+			  .ivsize = AES_BLOCK_SIZE,
 			  .min_keysize = AES_MIN_KEY_SIZE,
 			  .max_keysize = AES_MAX_KEY_SIZE,
 			  .setkey = p8_aes_cbc_setkey,
diff --git a/drivers/crypto/vmx/aes_ctr.c b/drivers/crypto/vmx/aes_ctr.c
index 404a1b6..72f1389 100644
--- a/drivers/crypto/vmx/aes_ctr.c
+++ b/drivers/crypto/vmx/aes_ctr.c
@@ -175,7 +175,7 @@ struct crypto_alg p8_aes_ctr_alg = {
 	.cra_init = p8_aes_ctr_init,
 	.cra_exit = p8_aes_ctr_exit,
 	.cra_blkcipher = {
-			  .ivsize = 0,
+			  .ivsize = AES_BLOCK_SIZE,
 			  .min_keysize = AES_MIN_KEY_SIZE,
 			  .max_keysize = AES_MAX_KEY_SIZE,
 			  .setkey = p8_aes_ctr_setkey,
-- 
1.9.1





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