[CRYPTO] tcrypt: Fix key alignment

Force 32-bit alignment on keys in tcrypt test vectors.  Also rearrange the
structure to prevent unnecessary padding.
Signed-off-by: NAtsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

crypto/tcrypt.h

@@ -26,37 +26,38 @@
 #define MAX_IVLEN		32
 
 struct hash_testvec {
+	/* only used with keyed hash algorithms */
+	char key[128] __attribute__ ((__aligned__(4)));
 	char plaintext[128];
-	unsigned char psize;
 	char digest[MAX_DIGEST_SIZE];
-	unsigned char np;
 	unsigned char tap[MAX_TAP];
-	char key[128]; /* only used with keyed hash algorithms */
+	unsigned char psize;
+	unsigned char np;
 	unsigned char ksize;
 };
 
 struct hmac_testvec {
 	char key[128];
-	unsigned char ksize;
 	char plaintext[128];
-	unsigned char psize;
 	char digest[MAX_DIGEST_SIZE];
-	unsigned char np;
 	unsigned char tap[MAX_TAP];
+	unsigned char ksize;
+	unsigned char psize;
+	unsigned char np;
 };
 
 struct cipher_testvec {
+	char key[MAX_KEYLEN] __attribute__ ((__aligned__(4)));
+	char iv[MAX_IVLEN];
+	char input[48];
+	char result[48];
+	unsigned char tap[MAX_TAP];
+	int np;
 	unsigned char fail;
 	unsigned char wk; /* weak key flag */
-	char key[MAX_KEYLEN];
 	unsigned char klen;
-	char iv[MAX_IVLEN];
-	char input[48];
 	unsigned char ilen;
-	char result[48];
 	unsigned char rlen;
-	int np;
-	unsigned char tap[MAX_TAP];
 };
 
 struct cipher_speed {