From be34c4ef693ff5c10f55606dbd656ddf0b4a8340 Mon Sep 17 00:00:00 2001 From: "David S. Miller" Date: Thu, 2 Oct 2014 14:52:37 +0800 Subject: [PATCH] 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 Signed-off-by: David S. Miller Signed-off-by: Herbert Xu --- crypto/sha256_generic.c | 3 ++- crypto/sha512_generic.c | 3 ++- 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 #include #include +#include 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 #include #include +#include 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) -- 2.20.1