]> git.zerfleddert.de Git - proxmark3-svn/blobdiff - client/loclass/cipher.c
Merge branch 'master' of https://github.com/Proxmark/proxmark3
[proxmark3-svn] / client / loclass / cipher.c
index d3b1e7997beb0971319e3a17d3b3d9db1e5102e6..9c1c2cfd4cbd63c09d6c1b6fa7d11049922c9bb1 100644 (file)
@@ -219,7 +219,7 @@ void MAC(uint8_t* k, BitstreamIn input, BitstreamOut out)
        BitstreamIn input_32_zeroes = {zeroes_32,sizeof(zeroes_32)*8,0};
        State initState = suc(k,init(k),&input);
        output(k,initState,&input_32_zeroes,&out);
-}
+}       
 
 void doMAC(uint8_t *cc_nr_p, int length, uint8_t *div_key_p, uint8_t mac[4])
 {
@@ -228,17 +228,17 @@ void doMAC(uint8_t *cc_nr_p, int length, uint8_t *div_key_p, uint8_t mac[4])
     cc_nr=(uint8_t*)malloc(length+1);
     memcpy(cc_nr,cc_nr_p,length);
     memcpy(div_key,div_key_p,8);
-
-    reverse_arraybytes(cc_nr,length);
-    BitstreamIn bitstream = {cc_nr,length * 8,0};
-    uint8_t dest []= {0,0,0,0,0,0,0,0};
-    BitstreamOut out = { dest, sizeof(dest)*8, 0 };
-    MAC(div_key,bitstream, out);
-    //The output MAC must also be reversed
-    reverse_arraybytes(dest, sizeof(dest));
-    memcpy(mac, dest, 4);
+    
+       reverse_arraybytes(cc_nr,length);
+       BitstreamIn bitstream = {cc_nr,length * 8,0};
+       uint8_t dest []= {0,0,0,0,0,0,0,0};
+       BitstreamOut out = { dest, sizeof(dest)*8, 0 };
+       MAC(div_key,bitstream, out);
+       //The output MAC must also be reversed
+       reverse_arraybytes(dest, sizeof(dest));
+       memcpy(mac,dest,4);
     //printf("Calculated_MAC\t%02x%02x%02x%02x\n", dest[0],dest[1],dest[2],dest[3]);
-    free(cc_nr);
+       free(cc_nr);
     return;
 }
 
@@ -264,8 +264,8 @@ int testMAC()
                prnlog("[+] FAILED: MAC calculation failed:");
                printarr("    Calculated_MAC", calculated_mac, 4);
                printarr("    Correct_MAC   ", correct_MAC, 4);
-               return 1;
-       }
+       return 1;
+}
 
        return 0;
 }
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