Const variables where possible

1 files changed, 5 insertions, 5 deletions

diff --git a/src/block/mars/mars.cpp b/src/block/mars/mars.cpp
index 5ee5b0f19..171ce2945 100644
--- a/src/block/mars/mars.cpp
+++ b/src/block/mars/mars.cpp
@@ -110,7 +110,7 @@ const u32bit SBOX[512] = {
 inline void encrypt_round(u32bit& A, u32bit& B, u32bit& C, u32bit& D,
                           u32bit EK1, u32bit EK2)
    {
-   u32bit X = A + EK1;
+   const u32bit X = A + EK1;
    A  = rotate_left(A, 13);
    u32bit Y = A * EK2;
    u32bit Z = SBOX[X % 512];
@@ -132,7 +132,7 @@ inline void decrypt_round(u32bit& A, u32bit& B, u32bit& C, u32bit& D,
    {
    u32bit Y = A * EK1;
    A = rotate_right(A, 13);
-   u32bit X = A + EK2;
+   const u32bit X = A + EK2;
    u32bit Z = SBOX[X % 512];
 
    Y  = rotate_left(Y, 5);
@@ -204,7 +204,7 @@ u32bit gen_mask(u32bit input)
 
    for(u32bit j = 2; j != 31; ++j)
       {
-      u32bit region = (input >> (j-1)) & 0x07;
+      const u32bit region = (input >> (j-1)) & 0x07;
 
       if(region == 0x00 || region == 0x07)
          {
@@ -213,7 +213,7 @@ u32bit gen_mask(u32bit input)
 
          for(u32bit k = low; k != high; ++k)
             {
-            u32bit value = (input >> k) & 0x3FF;
+            const u32bit value = (input >> k) & 0x3FF;
 
             if(value == 0 || value == 0x3FF)
                {
@@ -377,7 +377,7 @@ void MARS::key_schedule(const byte key[], size_t length)
 
    for(size_t i = 5; i != 37; i += 2)
       {
-      u32bit key3 = EK[i] & 3;
+      const u32bit key3 = EK[i] & 3;
       EK[i] |= 3;
       EK[i] ^= rotate_left(SBOX[265 + key3], EK[i-1] % 32) & gen_mask(EK[i]);
       }