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authorDavid S. Miller <davem@davemloft.net>2014-10-02 10:52:37 +0400
committerHerbert Xu <herbert@gondor.apana.org.au>2014-10-02 10:52:37 +0400
commitbe34c4ef693ff5c10f55606dbd656ddf0b4a8340 (patch)
treeaa8bb25553507ac3cd5454b4c627ab9a5120d3ce /crypto
parent5cfed7b3351ce33b60c4a1d02ffd712cdf4f49cd (diff)
downloadlinux-be34c4ef693ff5c10f55606dbd656ddf0b4a8340.tar.xz
crypto: sha - Handle unaligned input data in generic sha256 and sha512.
Like SHA1, use get_unaligned_be*() on the raw input data. Reported-by: Bob Picco <bob.picco@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/sha256_generic.c3
-rw-r--r--crypto/sha512_generic.c3
2 files changed, 4 insertions, 2 deletions
diff --git a/crypto/sha256_generic.c b/crypto/sha256_generic.c
index 543366779524..0bb558344699 100644
--- a/crypto/sha256_generic.c
+++ b/crypto/sha256_generic.c
@@ -24,6 +24,7 @@
#include <linux/types.h>
#include <crypto/sha.h>
#include <asm/byteorder.h>
+#include <asm/unaligned.h>
static inline u32 Ch(u32 x, u32 y, u32 z)
{
@@ -42,7 +43,7 @@ static inline u32 Maj(u32 x, u32 y, u32 z)
static inline void LOAD_OP(int I, u32 *W, const u8 *input)
{
- W[I] = __be32_to_cpu( ((__be32*)(input))[I] );
+ W[I] = get_unaligned_be32((__u32 *)input + I);
}
static inline void BLEND_OP(int I, u32 *W)
diff --git a/crypto/sha512_generic.c b/crypto/sha512_generic.c
index 6ed124f3ea0f..6dde57dc511b 100644
--- a/crypto/sha512_generic.c
+++ b/crypto/sha512_generic.c
@@ -20,6 +20,7 @@
#include <crypto/sha.h>
#include <linux/percpu.h>
#include <asm/byteorder.h>
+#include <asm/unaligned.h>
static inline u64 Ch(u64 x, u64 y, u64 z)
{
@@ -68,7 +69,7 @@ static const u64 sha512_K[80] = {
static inline void LOAD_OP(int I, u64 *W, const u8 *input)
{
- W[I] = __be64_to_cpu( ((__be64*)(input))[I] );
+ W[I] = get_unaligned_be64((__u64 *)input + I);
}
static inline void BLEND_OP(int I, u64 *W)