ADD: @zhovner 's mfd file parser https://github.com/zhovner/mfdread Looks really...

[proxmark3-svn] / armsrc / des.c

diff --git a/armsrc/des.c b/armsrc/des.c
index e72ebb2af5b18a138bb4f97d8e0f5771a8f86150..6b3bea9b77ed5f14f0b181aa625f2ddd597fcfca 100644 (file)
--- a/armsrc/des.c
+++ b/armsrc/des.c
@@ -210,7 +210,7 @@ void permute(const uint8_t *ptable, const uint8_t *in, uint8_t *out){
        for(byte=0; byte<ob; ++byte){
                uint8_t x,t=0;
                for(bit=0; bit<8; ++bit){
        for(byte=0; byte<ob; ++byte){
                uint8_t x,t=0;
                for(bit=0; bit<8; ++bit){

-                       x=*ptable++ -1 ;
+                       x = *ptable++ - 1;

                                t<<=1;
                        if((in[x/8]) & (0x80>>(x%8)) ){
                                t|=0x01;
                                t<<=1;
                        if((in[x/8]) & (0x80>>(x%8)) ){
                                t|=0x01;


@@ -274,7 +274,7 @@ uint32_t des_f(uint32_t r, uint8_t* kr){
        uint64_t data;
        uint8_t *sbp; /* sboxpointer */ 
        permute((uint8_t*)e_permtab, (uint8_t*)&r, (uint8_t*)&data);
        uint64_t data;
        uint8_t *sbp; /* sboxpointer */ 
        permute((uint8_t*)e_permtab, (uint8_t*)&r, (uint8_t*)&data);

-       for(i=0; i<7; ++i)
+       for(i=0; i<6; ++i)

                ((uint8_t*)&data)[i] ^= kr[i];
        
        /* Sbox substitution */
                ((uint8_t*)&data)[i] ^= kr[i];
        
        /* Sbox substitution */