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crypto: sha - Handle unaligned input data in generic sha256 and sha512.

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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>
This commit is contained in:
David S. Miller 2014-10-02 14:52:37 +08:00 committed by Herbert Xu
parent 5cfed7b335
commit be34c4ef69
2 changed files with 4 additions and 2 deletions
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3
crypto/sha256_generic.c
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@ -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)

3
crypto/sha512_generic.c
View File

@ -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)