diff options
| author | David S. Miller <davem@davemloft.net> | 2014-10-02 14:52:37 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2014-10-02 14:52:37 +0800 |
| commit | be34c4ef693ff5c10f55606dbd656ddf0b4a8340 (patch) | |
| tree | aa8bb25553507ac3cd5454b4c627ab9a5120d3ce /crypto | |
| parent | 5cfed7b3351ce33b60c4a1d02ffd712cdf4f49cd (diff) | |
| download | lwn-be34c4ef693ff5c10f55606dbd656ddf0b4a8340.tar.gz lwn-be34c4ef693ff5c10f55606dbd656ddf0b4a8340.zip | |
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.c | 3 | ||||
| -rw-r--r-- | 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 <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) |