summaryrefslogtreecommitdiffstats
path: root/crypto
diff options
context:
space:
mode:
authorEric Biggers <ebiggers@google.com>2017-05-09 17:20:27 -0700
committerHerbert Xu <herbert@gondor.apana.org.au>2017-06-19 14:11:53 +0800
commitfa598d0a7026219461a1ad76e27117ce325fa0e4 (patch)
treeb2c7b7dc32690795cb955ca75d2ac2c2e34e368a /crypto
parentb9162917fafd36690491af35a262e628c2ffd8a7 (diff)
downloadlinux-fa598d0a7026219461a1ad76e27117ce325fa0e4.tar.bz2
crypto: aes_ti - fix comment for MixColumns step
mix_columns() contains a comment which shows the matrix used by the MixColumns step of AES, but the last entry in this matrix was incorrect Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/aes_ti.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/aes_ti.c b/crypto/aes_ti.c
index 92644fd1ac19..03023b2290e8 100644
--- a/crypto/aes_ti.c
+++ b/crypto/aes_ti.c
@@ -114,7 +114,7 @@ static u32 mix_columns(u32 x)
* | 0x2 0x3 0x1 0x1 | | x[0] |
* | 0x1 0x2 0x3 0x1 | | x[1] |
* | 0x1 0x1 0x2 0x3 | x | x[2] |
- * | 0x3 0x1 0x1 0x3 | | x[3] |
+ * | 0x3 0x1 0x1 0x2 | | x[3] |
*/
u32 y = mul_by_x(x) ^ ror32(x, 16);