md5 in common

1 files changed, 26 insertions, 0 deletions

diff --git a/src/md5.cpp b/src/md5.cpp
index c11bf2f..0cd4254 100644
--- a/src/md5.cpp
+++ b/src/md5.cpp
@@ -224,4 +224,30 @@ uint8_t* md5File(FILE *file){
 uint32_t rotateLeft(uint32_t x, uint32_t n){
 	return (x << n) | (x >> (32 - n));
 }
+
+char* md5sum(char* s) {
+  static char md5[64] = {0};
+  uint8_t* x = md5String(s);
+  memset(md5, 0x0, 64);
+  for (auto i = 0; i < 16; i++) {
+    sprintf(md5 + i * 2, "%02x", x[i]);
+  }
+  return md5;
+}
+
+int lead_zeros(char* s) {
+  char* p = s;
+  int total = 0;
+  while (*p != '\0') {
+    if (*p == '0') {
+      total += 1;
+      p++;
+    }
+    else {
+      break;
+    }
+  }
+  return total;
+}
+
 }