- (djm) [rijndael.c rijndael.h] Sync with newly-ressurected versions ine

   OpenBSD

1 files changed, 90 insertions, 80 deletions

diff --git a/rijndael.c b/rijndael.c
index 7432ea2e..cde90789 100644
--- a/rijndael.c
+++ b/rijndael.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: rijndael.c,v 1.16 2004/06/23 00:39:38 mouring Exp $ */
+/*	$OpenBSD: rijndael.c,v 1.18 2014/04/29 15:42:07 markus Exp $ */
 
 /**
  * rijndael-alg-fst.c
@@ -25,6 +25,7 @@
  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+
 #include "includes.h"
 
 #include <stdlib.h>
@@ -32,7 +33,7 @@
 
 #include "rijndael.h"
 
-#define FULL_UNROLL
+#undef FULL_UNROLL
 
 /*
 Te0[x] = S [x].[02, 01, 01, 03];
@@ -247,7 +248,6 @@ static const u32 Te2[256] = {
     0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U,
 };
 static const u32 Te3[256] = {
-
     0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U,
     0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U,
     0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U,
@@ -532,7 +532,6 @@ static const u32 Td2[256] = {
     0xf4cd65daU, 0xbed50605U, 0x621fd134U, 0xfe8ac4a6U,
     0x539d342eU, 0x55a0a2f3U, 0xe132058aU, 0xeb75a4f6U,
     0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU,
-
     0x8af93e21U, 0x063d96ddU, 0x05aedd3eU, 0xbd464de6U,
     0x8db59154U, 0x5d0571c4U, 0xd46f0406U, 0x15ff6050U,
     0xfb241998U, 0xe997d6bdU, 0x43cc8940U, 0x9e7767d9U,
@@ -724,8 +723,10 @@ static const u32 rcon[] = {
  *
  * @return	the number of rounds for the given cipher key size.
  */
-static int rijndaelKeySetupEnc(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits) {
-	int i = 0;
+int
+rijndaelKeySetupEnc(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits)
+{
+   	int i = 0;
 	u32 temp;
 
 	rk[0] = GETU32(cipherKey     );
@@ -786,9 +787,9 @@ static int rijndaelKeySetupEnc(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int
 			rk[ 9] = rk[ 1] ^ rk[ 8];
 			rk[10] = rk[ 2] ^ rk[ 9];
 			rk[11] = rk[ 3] ^ rk[10];
-				if (++i == 7) {
-					return 14;
-				}
+			if (++i == 7) {
+				return 14;
+			}
 			temp = rk[11];
 			rk[12] = rk[ 4] ^
 				(Te4[(temp >> 24)       ] & 0xff000000) ^
@@ -797,7 +798,7 @@ static int rijndaelKeySetupEnc(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int
 				(Te4[(temp      ) & 0xff] & 0x000000ff);
 			rk[13] = rk[ 5] ^ rk[12];
 			rk[14] = rk[ 6] ^ rk[13];
-			rk[15] = rk[ 7] ^ rk[14];
+		     	rk[15] = rk[ 7] ^ rk[14];
 			rk += 8;
 		}
 	}
@@ -809,18 +810,21 @@ static int rijndaelKeySetupEnc(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int
  *
  * @return	the number of rounds for the given cipher key size.
  */
-static int
+int
 rijndaelKeySetupDec(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits,
-    int have_encrypt) {
+    int have_encrypt)
+{
 	int Nr, i, j;
 	u32 temp;
 
-	if (have_encrypt) {
+	/* expand the cipher key: */
+	if (have_encrypt > 0) {
+		/* Already done */
 		Nr = have_encrypt;
 	} else {
-		/* expand the cipher key: */
 		Nr = rijndaelKeySetupEnc(rk, cipherKey, keyBits);
 	}
+
 	/* invert the order of the round keys: */
 	for (i = 0, j = 4*Nr; i < j; i += 4, j -= 4) {
 		temp = rk[i    ]; rk[i    ] = rk[j    ]; rk[j    ] = temp;
@@ -855,7 +859,10 @@ rijndaelKeySetupDec(u32 rk[/*4*(Nr + 1)*/], const u8 cipherKey[], int keyBits,
 	return Nr;
 }
 
-static void rijndaelEncrypt(const u32 rk[/*4*(Nr + 1)*/], int Nr, const u8 pt[16], u8 ct[16]) {
+void
+rijndaelEncrypt(const u32 rk[/*4*(Nr + 1)*/], int Nr, const u8 pt[16],
+    u8 ct[16])
+{
 	u32 s0, s1, s2, s3, t0, t1, t2, t3;
 #ifndef FULL_UNROLL
     int r;
@@ -871,50 +878,50 @@ static void rijndaelEncrypt(const u32 rk[/*4*(Nr + 1)*/], int Nr, const u8 pt[16
 	s3 = GETU32(pt + 12) ^ rk[3];
 #ifdef FULL_UNROLL
     /* round 1: */
-	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[ 4];
-	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[ 5];
-	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[ 6];
-	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[ 7];
-	/* round 2: */
-	s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[ 8];
-	s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[ 9];
-	s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[10];
-	s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[11];
+   	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[ 4];
+   	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[ 5];
+   	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[ 6];
+   	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[ 7];
+   	/* round 2: */
+   	s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[ 8];
+   	s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[ 9];
+   	s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[10];
+   	s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[11];
     /* round 3: */
-	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[12];
-	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[13];
-	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[14];
-	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[15];
-	/* round 4: */
-	s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[16];
-	s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[17];
-	s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[18];
-	s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[19];
+   	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[12];
+   	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[13];
+   	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[14];
+   	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[15];
+   	/* round 4: */
+   	s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[16];
+   	s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[17];
+   	s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[18];
+   	s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[19];
     /* round 5: */
-	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[20];
-	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[21];
-	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[22];
-	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[23];
-	/* round 6: */
-	s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[24];
-	s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[25];
-	s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[26];
-	s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[27];
+   	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[20];
+   	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[21];
+   	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[22];
+   	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[23];
+   	/* round 6: */
+   	s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[24];
+   	s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[25];
+   	s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[26];
+   	s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[27];
     /* round 7: */
-	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[28];
-	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[29];
-	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[30];
-	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[31];
-	/* round 8: */
-	s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[32];
-	s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[33];
-	s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[34];
-	s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[35];
+   	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[28];
+   	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[29];
+   	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[30];
+   	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[31];
+   	/* round 8: */
+   	s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[32];
+   	s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >>  8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[33];
+   	s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >>  8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[34];
+   	s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >>  8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[35];
     /* round 9: */
-	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[36];
-	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[37];
-	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[38];
-	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[39];
+   	t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >>  8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[36];
+   	t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >>  8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[37];
+   	t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >>  8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[38];
+   	t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >>  8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[39];
     if (Nr > 10) {
 	/* round 10: */
 	s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >>  8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[40];
@@ -1036,7 +1043,10 @@ static void rijndaelEncrypt(const u32 rk[/*4*(Nr + 1)*/], int Nr, const u8 pt[16
 	PUTU32(ct + 12, s3);
 }
 
-static void rijndaelDecrypt(const u32 rk[/*4*(Nr + 1)*/], int Nr, const u8 ct[16], u8 pt[16]) {
+static void
+rijndaelDecrypt(const u32 rk[/*4*(Nr + 1)*/], int Nr, const u8 ct[16],
+    u8 pt[16])
+{
 	u32 s0, s1, s2, s3, t0, t1, t2, t3;
 #ifndef FULL_UNROLL
     int r;
@@ -1187,33 +1197,33 @@ static void rijndaelDecrypt(const u32 rk[/*4*(Nr + 1)*/], int Nr, const u8 ct[16
 	 * apply last round and
 	 * map cipher state to byte array block:
 	 */
-	s0 =
-		(Td4[(t0 >> 24)       ] & 0xff000000) ^
-		(Td4[(t3 >> 16) & 0xff] & 0x00ff0000) ^
-		(Td4[(t2 >>  8) & 0xff] & 0x0000ff00) ^
-		(Td4[(t1      ) & 0xff] & 0x000000ff) ^
-		rk[0];
+   	s0 =
+   		(Td4[(t0 >> 24)       ] & 0xff000000) ^
+   		(Td4[(t3 >> 16) & 0xff] & 0x00ff0000) ^
+   		(Td4[(t2 >>  8) & 0xff] & 0x0000ff00) ^
+   		(Td4[(t1      ) & 0xff] & 0x000000ff) ^
+   		rk[0];
 	PUTU32(pt     , s0);
-	s1 =
-		(Td4[(t1 >> 24)       ] & 0xff000000) ^
-		(Td4[(t0 >> 16) & 0xff] & 0x00ff0000) ^
-		(Td4[(t3 >>  8) & 0xff] & 0x0000ff00) ^
-		(Td4[(t2      ) & 0xff] & 0x000000ff) ^
-		rk[1];
+   	s1 =
+   		(Td4[(t1 >> 24)       ] & 0xff000000) ^
+   		(Td4[(t0 >> 16) & 0xff] & 0x00ff0000) ^
+   		(Td4[(t3 >>  8) & 0xff] & 0x0000ff00) ^
+   		(Td4[(t2      ) & 0xff] & 0x000000ff) ^
+   		rk[1];
 	PUTU32(pt +  4, s1);
-	s2 =
-		(Td4[(t2 >> 24)       ] & 0xff000000) ^
-		(Td4[(t1 >> 16) & 0xff] & 0x00ff0000) ^
-		(Td4[(t0 >>  8) & 0xff] & 0x0000ff00) ^
-		(Td4[(t3      ) & 0xff] & 0x000000ff) ^
-		rk[2];
+   	s2 =
+   		(Td4[(t2 >> 24)       ] & 0xff000000) ^
+   		(Td4[(t1 >> 16) & 0xff] & 0x00ff0000) ^
+   		(Td4[(t0 >>  8) & 0xff] & 0x0000ff00) ^
+   		(Td4[(t3      ) & 0xff] & 0x000000ff) ^
+   		rk[2];
 	PUTU32(pt +  8, s2);
-	s3 =
-		(Td4[(t3 >> 24)       ] & 0xff000000) ^
-		(Td4[(t2 >> 16) & 0xff] & 0x00ff0000) ^
-		(Td4[(t1 >>  8) & 0xff] & 0x0000ff00) ^
-		(Td4[(t0      ) & 0xff] & 0x000000ff) ^
-		rk[3];
+   	s3 =
+   		(Td4[(t3 >> 24)       ] & 0xff000000) ^
+   		(Td4[(t2 >> 16) & 0xff] & 0x00ff0000) ^
+   		(Td4[(t1 >>  8) & 0xff] & 0x0000ff00) ^
+   		(Td4[(t0      ) & 0xff] & 0x000000ff) ^
+   		rk[3];
 	PUTU32(pt + 12, s3);
 }