sha0 hashing c package for converting passwords in softether config

sha0/main.c

@@ -0,0 +1,24 @@
+#include <stdio.h>
+#include <string.h>
+
+// Declare the function from sha0.c
+void Internal_Sha0(unsigned char *dest, const unsigned char *src, const unsigned int size);
+
+#define SHA0_DIGEST_SIZE 20
+
+int main(int argc, char **argv) {
+    if (argc != 2) {
+        fprintf(stderr, "Usage: %s <string>\n", argv[0]);
+        return 1;
+    }
+
+    unsigned char digest[SHA0_DIGEST_SIZE];
+    Internal_Sha0(digest, (const unsigned char *)argv[1], strlen(argv[1]));
+
+    for (int i = 0; i < SHA0_DIGEST_SIZE; i++) {
+        printf("%02x", digest[i]);
+    }
+    printf("\n");
+
+    return 0;
+}