correct 1st key calculation

[proxmark3-svn] / client / util.c

diff --git a/client/util.c b/client/util.c
index 92b0e7a6ab22dadd8160252f6364734b8c7a870d..bbc7f2cfb598d73c8e7ad26f999c2c37bcc1b2a6 100644 (file)
--- a/client/util.c
+++ b/client/util.c
@@ -111,6 +111,31 @@ void FillFileNameByUID(char *fileName, uint8_t * uid, char *ext, int byteCount)
        sprintf(fnameptr, "%s", ext); 
 }
 
+void hex_to_buffer(const uint8_t *buf, const uint8_t *hex_data, const size_t hex_len, const size_t hex_max_len, 
+       const size_t min_str_len, const size_t spaces_between, bool uppercase) {
+               
+       char *tmp = (char *)buf;
+       size_t i;
+
+       int maxLen = ( hex_len > hex_max_len) ? hex_max_len : hex_len;
+
+       for (i = 0; i < maxLen; ++i, tmp += 2 + spaces_between) {
+               sprintf(tmp, (uppercase) ? "%02X" : "%02x", (unsigned int) hex_data[i]); 
+               
+               for (int j = 0; j < spaces_between; j++)
+                       sprintf(tmp + 2 + j, " ");
+       }
+       
+       i *= (2 + spaces_between);
+       int minStrLen = min_str_len > i ? min_str_len : 0;
+       if (minStrLen > hex_max_len)
+               minStrLen = hex_max_len;
+       for(; i < minStrLen; i++, tmp += 1) 
+               sprintf(tmp, " ");
+
+       return;
+}
+
 // printing and converting functions
 
 void print_hex(const uint8_t * data, const size_t len)
@@ -141,33 +166,17 @@ void print_hex_break(const uint8_t *data, const size_t len, uint8_t breaks) {
 }
 
 char *sprint_hex(const uint8_t *data, const size_t len) {
+       static char buf[1025] = {0};
        
-       int maxLen = ( len > 1024/3) ? 1024/3 : len;
-       static char buf[1024];
-       memset(buf, 0x00, 1024);
-       char *tmp = buf;
-       size_t i;
-
-       for (i=0; i < maxLen; ++i, tmp += 3)
-               sprintf(tmp, "%02x ", (unsigned int) data[i]);
+       hex_to_buffer((uint8_t *)buf, data, len, sizeof(buf) - 1, 0, 1, false);
 
        return buf;
 }
 
 char *sprint_hex_inrow_ex(const uint8_t *data, const size_t len, const size_t min_str_len) {
-       
-       int maxLen = ( len > 1024/2) ? 1024/2 : len;
-       static char buf[1024] = {0};
-       char *tmp = buf;
-       size_t i;
+       static char buf[1025] = {0};
 
-       for (i = 0; i < maxLen; ++i, tmp += 2)
-               sprintf(tmp, "%02x", (unsigned int) data[i]);
-       
-       i *= 2;
-       int minStrLen = min_str_len > i ? min_str_len : 0;
-       for(; i < minStrLen; i++, tmp += 1) 
-               sprintf(tmp, " ");
+       hex_to_buffer((uint8_t *)buf, data, len, sizeof(buf) - 1, min_str_len, 0, false);
 
        return buf;
 }
@@ -347,6 +356,23 @@ char * printBits(size_t const size, void const * const ptr)
        return buf;
 }
 
+char * printBitsPar(const uint8_t *b, size_t len) {
+       static char buf1[512] = {0};
+       static char buf2[512] = {0};
+       static char *buf;
+       if (buf != buf1)
+               buf = buf1;
+       else
+               buf = buf2;
+       memset(buf, 0x00, 512);
+
+       for (int i = 0; i < len; i++) {
+               buf[i] = ((b[i / 8] << (i % 8)) & 0x80) ? '1':'0';
+       }
+       return buf;
+}
+
+
 //  -------------------------------------------------------------------------
 //  string parameters lib
 //  -------------------------------------------------------------------------
@@ -487,7 +513,7 @@ int param_gethex(const char *line, int paramnum, uint8_t * data, int hexcnt)
                return 1;
 
        for(i = 0; i < hexcnt; i += 2) {
-               if (!(isxdigit(line[bg + i]) && isxdigit(line[bg + i + 1])) )   return 1;
+               if (!(isxdigit((unsigned char)line[bg + i]) && isxdigit((unsigned char)line[bg + i + 1])) )     return 1;
                
                sscanf((char[]){line[bg + i], line[bg + i + 1], 0}, "%X", &temp);
                data[i / 2] = temp & 0xff;
@@ -509,7 +535,7 @@ int param_gethex_ex(const char *line, int paramnum, uint8_t * data, int *hexcnt)
                return 1;
 
        for(i = 0; i < *hexcnt; i += 2) {
-               if (!(isxdigit(line[bg + i]) && isxdigit(line[bg + i + 1])) )   return 1;
+               if (!(isxdigit((unsigned char)line[bg + i]) && isxdigit((unsigned char)line[bg + i + 1])) )     return 1;
                
                sscanf((char[]){line[bg + i], line[bg + i + 1], 0}, "%X", &temp);
                data[i / 2] = temp & 0xff;
@@ -534,7 +560,7 @@ int param_gethex_to_eol(const char *line, int paramnum, uint8_t * data, int maxd
                        continue;
                }
                
-               if (isxdigit(line[indx])) {
+               if (isxdigit((unsigned char)line[indx])) {
                        buf[strlen(buf) + 1] = 0x00;
                        buf[strlen(buf)] = line[indx];
                } else {
@@ -611,7 +637,7 @@ int hextobinarray(char *target, char *source)
         else if (x >= 'A' && x <= 'F')
             x -= 'A' - 10;
         else {
-               printf("Discovered unknown character %c %d at idx %d of %s\n", x, x, source - start, start);
+               printf("Discovered unknown character %c %d at idx %tu of %s\n", x, x, source - start, start);
             return 0;
         }
         // output