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crypto: chcr - Fix memory corruption
author
Harsh Jain
<harsh@chelsio.com>
Tue, 29 Nov 2016 13:30:34 +0000
(19:00 +0530)
committer
Herbert Xu
<herbert@gondor.apana.org.au>
Wed, 30 Nov 2016 11:46:44 +0000
(19:46 +0800)
Fix memory corruption done by *((u32 *)dec_key + k)
operation.
Signed-off-by: Jitendra Lulla <JLULLA@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
drivers/crypto/chelsio/chcr_algo.h
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diff --git
a/drivers/crypto/chelsio/chcr_algo.h
b/drivers/crypto/chelsio/chcr_algo.h
index
ec64fbc
..
199b0bb
100644
(file)
--- a/
drivers/crypto/chelsio/chcr_algo.h
+++ b/
drivers/crypto/chelsio/chcr_algo.h
@@
-422,7
+422,7
@@
static inline void get_aes_decrypt_key(unsigned char *dec_key,
{
u32 temp;
u32 w_ring[MAX_NK];
- int i, j, k
= 0
;
+ int i, j, k;
u8 nr, nk;
switch (keylength) {
@@
-460,6
+460,7
@@
static inline void get_aes_decrypt_key(unsigned char *dec_key,
temp = w_ring[i % nk];
i++;
}
+ i--;
for (k = 0, j = i % nk; k < nk; k++) {
*((u32 *)dec_key + k) = htonl(w_ring[j]);
j--;