crypto: streebog - fix unaligned memory accesses
Don't cast the data buffer directly to streebog_uint512, as this
violates alignment rules.
Fixes: fe18957e8e87 ("crypto: streebog - add Streebog hash function")
Cc: Vitaly Chikunov <vt@altlinux.org>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Vitaly Chikunov <vt@altlinux.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/include/crypto/streebog.h b/include/crypto/streebog.h
index 856e32a..cae1b4a 100644
--- a/include/crypto/streebog.h
+++ b/include/crypto/streebog.h
@@ -23,7 +23,10 @@ struct streebog_uint512 {
};
struct streebog_state {
- u8 buffer[STREEBOG_BLOCK_SIZE];
+ union {
+ u8 buffer[STREEBOG_BLOCK_SIZE];
+ struct streebog_uint512 m;
+ };
struct streebog_uint512 hash;
struct streebog_uint512 h;
struct streebog_uint512 N;
