xtea: use correct load and store macros

src/ciphers/xtea.c

@@ -48,10 +48,10 @@ int xtea_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_k
    }
 
    /* load key */
-   LOAD32L(K[0], key+0);
-   LOAD32L(K[1], key+4);
-   LOAD32L(K[2], key+8);
-   LOAD32L(K[3], key+12);
+   LOAD32H(K[0], key+0);
+   LOAD32H(K[1], key+4);
+   LOAD32H(K[2], key+8);
+   LOAD32H(K[3], key+12);
 
    for (x = sum = 0; x < 32; x++) {
        skey->xtea.A[x] = (sum + K[sum&3]) & 0xFFFFFFFFUL;
@@ -82,8 +82,8 @@ int xtea_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *
    LTC_ARGCHK(ct   != NULL);
    LTC_ARGCHK(skey != NULL);
 
-   LOAD32L(y, &pt[0]);
-   LOAD32L(z, &pt[4]);
+   LOAD32H(y, &pt[0]);
+   LOAD32H(z, &pt[4]);
    for (r = 0; r < 32; r += 4) {
        y = (y + ((((z<<4)^(z>>5)) + z) ^ skey->xtea.A[r])) & 0xFFFFFFFFUL;
        z = (z + ((((y<<4)^(y>>5)) + y) ^ skey->xtea.B[r])) & 0xFFFFFFFFUL;
@@ -97,8 +97,8 @@ int xtea_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *
        y = (y + ((((z<<4)^(z>>5)) + z) ^ skey->xtea.A[r+3])) & 0xFFFFFFFFUL;
        z = (z + ((((y<<4)^(y>>5)) + y) ^ skey->xtea.B[r+3])) & 0xFFFFFFFFUL;
    }
-   STORE32L(y, &ct[0]);
-   STORE32L(z, &ct[4]);
+   STORE32H(y, &ct[0]);
+   STORE32H(z, &ct[4]);
    return CRYPT_OK;
 }
 
@@ -118,8 +118,8 @@ int xtea_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *
    LTC_ARGCHK(ct   != NULL);
    LTC_ARGCHK(skey != NULL);
 
-   LOAD32L(y, &ct[0]);
-   LOAD32L(z, &ct[4]);
+   LOAD32H(y, &ct[0]);
+   LOAD32H(z, &ct[4]);
    for (r = 31; r >= 0; r -= 4) {
        z = (z - ((((y<<4)^(y>>5)) + y) ^ skey->xtea.B[r])) & 0xFFFFFFFFUL;
        y = (y - ((((z<<4)^(z>>5)) + z) ^ skey->xtea.A[r])) & 0xFFFFFFFFUL;
@@ -133,8 +133,8 @@ int xtea_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *
        z = (z - ((((y<<4)^(y>>5)) + y) ^ skey->xtea.B[r-3])) & 0xFFFFFFFFUL;
        y = (y - ((((z<<4)^(z>>5)) + z) ^ skey->xtea.A[r-3])) & 0xFFFFFFFFUL;
    }
-   STORE32L(y, &pt[0]);
-   STORE32L(z, &pt[4]);
+   STORE32H(y, &pt[0]);
+   STORE32H(z, &pt[4]);
    return CRYPT_OK;
 }