a lot of fixes

[avr-crypto-lib.git] / mqq-sign / mqq160-sign_P.c

diff --git a/mqq-sign/mqq160-sign_P.c b/mqq-sign/mqq160-sign_P.c
index 82c90eab0f403ae121b40aa3857df584e4b29353..90f11d29655d49547cb6be83de897689520dfacd 100644 (file)
--- a/mqq-sign/mqq160-sign_P.c
+++ b/mqq-sign/mqq160-sign_P.c
@@ -34,21 +34,13 @@
 #include "memxor.h"
 #include "mqq160-sign.h"
 
-static uint8_t mod20_table[32] PROGMEM = {
+static const uint8_t mod20_table[32] PROGMEM = {
                 4,  5,  6,  7,  8,  9, 10, 11,
                12, 13, 14, 15, 16, 17, 18, 19,
                 0,  1,  2,  3,  4,  5,  6,  7,
                 8,  9, 10, 11, 12, 13, 14, 15,
 };
 
-static void memxor_P(void* dest, const void* src, uint16_t length){
-       while(length--){
-               *((uint8_t*)dest) ^= pgm_read_byte(src);
-               dest = (uint8_t*)dest +1;
-               src  = (uint8_t*)src  +1;
-       }
-}
-
 static void memxor_idx_P(uint8_t* dest, const uint8_t* src, uint16_t length, uint8_t dist){
        while(length--){
                 *((uint8_t*)dest) ^= pgm_read_byte((uint8_t*)src);
@@ -65,7 +57,7 @@ in the MQQ160-SIGN C Library.
 static void mqq_inv_affine_transformation(uint8_t* input_bytes, uint8_t* result, const mqq160_sign_key_t* key){
        /* The matrix SInv is given as two permutations of 160 elements. */
        uint8_t j, byteindex, bitindex, bitindex_d, byteindex_d, rp1, rp5;
-       uint8_t *r1_ptr, *r5_ptr;
+       const uint8_t *r1_ptr, *r5_ptr;
        uint8_t h1[20];
 
        /* Initialize H1 and H2 = 0 */
@@ -117,7 +109,7 @@ static uint8_t mqq_q(uint8_t i, uint8_t b1, uint8_t b2, const mqq160_sign_key_t*
        uint8_t result, column, row, k;
        int8_t j;
        uint16_t temp;
-       uint8_t *tmp_ptr=key->a;
+       const uint8_t *tmp_ptr=key->a;
        if(i&1){
                memcpy_P(e, key->cc1, 9);
                while(b1){