Cleared -Wcast-align (Issue 122)

1 files changed, 9 insertions, 5 deletions

diff --git a/gcm.cpp b/gcm.cpp
index e74c7408..18067eac 100644
--- a/gcm.cpp
+++ b/gcm.cpp
@@ -89,8 +89,11 @@ inline static void SSE2_Xor16(byte *a, const byte *b, const byte *c)
 

 inline static void Xor16(byte *a, const byte *b, const byte *c)

 {

-	((word64 *)a)[0] = ((word64 *)b)[0] ^ ((word64 *)c)[0];

-	((word64 *)a)[1] = ((word64 *)b)[1] ^ ((word64 *)c)[1];

+	assert(IsAlignedOn(a,GetAlignmentOf<word64>()));

+	assert(IsAlignedOn(b,GetAlignmentOf<word64>()));

+	assert(IsAlignedOn(c,GetAlignmentOf<word64>()));

+	((word64 *)(void *)a)[0] = ((word64 *)(void *)b)[0] ^ ((word64 *)(void *)c)[0];

+	((word64 *)(void *)a)[1] = ((word64 *)(void *)b)[1] ^ ((word64 *)(void *)c)[1];

 }

 

 #if CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE

@@ -436,7 +439,8 @@ size_t GCM_Base::AuthenticateBlocks(const byte *data, size_t len)
 #endif

 

 	typedef BlockGetAndPut<word64, NativeByteOrder> Block;

-	word64 *hashBuffer = (word64 *)HashBuffer();

+	word64 *hashBuffer = (word64 *)(void *)HashBuffer();

+	assert(IsAlignedOn(hashBuffer,GetAlignmentOf<word64>()));

 

 	switch (2*(m_buffer.size()>=64*1024)

 #if CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE || defined(CRYPTOPP_X64_MASM_AVAILABLE)

@@ -459,7 +463,7 @@ size_t GCM_Base::AuthenticateBlocks(const byte *data, size_t len)
 			data += HASH_BLOCKSIZE;

 			len -= HASH_BLOCKSIZE;

 

-			#define READ_TABLE_WORD64_COMMON(a, b, c, d)	*(word64 *)(table+(a*1024)+(b*256)+c+d*8)

+			#define READ_TABLE_WORD64_COMMON(a, b, c, d)	*(word64 *)(void *)(table+(a*1024)+(b*256)+c+d*8)

 

 			#ifdef IS_LITTLE_ENDIAN

 				#if CRYPTOPP_BOOL_SLOW_WORD64

@@ -530,7 +534,7 @@ size_t GCM_Base::AuthenticateBlocks(const byte *data, size_t len)
 			#undef READ_TABLE_WORD64_COMMON

 			#undef READ_TABLE_WORD64

 

-			#define READ_TABLE_WORD64_COMMON(a, c, d)	*(word64 *)(table+(a)*256*16+(c)+(d)*8)

+			#define READ_TABLE_WORD64_COMMON(a, c, d)	*(word64 *)(void *)(table+(a)*256*16+(c)+(d)*8)

 

 			#ifdef IS_LITTLE_ENDIAN

 				#if CRYPTOPP_BOOL_SLOW_WORD64