bits checker done

certexample.c

@@ -7,6 +7,8 @@
 #include <openssl/bio.h>
 #include <openssl/pem.h>
 #include <openssl/err.h>
+#include <openssl/rsa.h>
+#include <openssl/evp.h>
 #include <stdio.h>
 #include <string.h>
 
@@ -15,14 +17,14 @@ int check_san_valid(X509* cert, char* URL, int in_host);
 int check_if_url_valid(char* URL, char* domain);
 int check_name_valid(X509* cert,  char* URL);
 void printTime(X509* cert);
-
+int check_public_key(X509 *cert);
 
 int main()
 {
 
     char* URL = "mega.google.com";
 
-    const char test_cert_example[] = "./cert-file2.pem";
+    const char test_cert_example[] = "./sample_certs/testtwo.crt";
     BIO *certificate_bio = NULL;
     X509 *cert = NULL;
     X509_CINF *cert_inf = NULL;
@@ -64,6 +66,7 @@ int main()
     }
 
     printTime(cert);
+    check_public_key(cert);
 
     //*********************
     // End of Example code
@@ -78,7 +81,14 @@ int main()
 
 void printTime(X509* cert){
   ASN1_TIME *after = X509_get_notBefore(cert);
-  printf("%s\n", after->data);
+
+  int day;
+  int sec;
+
+  ASN1_TIME_diff(&day, &sec, after, NULL);
+
+  printf("%d -- %d\n", day, sec);
+
   BUF_MEM *bptr = NULL;
     char *buf = NULL;
 
@@ -100,6 +110,17 @@ void printTime(X509* cert){
     BIO_free_all(bio);
     free(buf);
 
+
+    ASN1_TIME *tm;
+ time_t t;
+ BIO *b;
+ t = time(NULL);
+ tm = ASN1_TIME_adj(NULL, t, 0, 0);
+ b = BIO_new_fp(stdout, BIO_NOCLOSE);
+ ASN1_TIME_print(b, tm);
+ ASN1_STRING_free(tm);
+ BIO_free(b);
+
 }
 
 int check_name_valid(X509* cert,  char* URL){
@@ -119,9 +140,13 @@ int check_san_valid(X509* cert,  char* URL, int in_host){
       return 1;
     }
     X509_EXTENSION *ex = X509_get_ext(cert, X509_get_ext_by_NID(cert, NID_subject_alt_name, -1));
+    if (ex == NULL)
+    {
+        return 0;
+    }
     ASN1_OBJECT *obj = X509_EXTENSION_get_object(ex);
-    char buff[1024];
-    OBJ_obj2txt(buff, 1024, obj, 0);
+    char buff[2048];
+    OBJ_obj2txt(buff, 2048, obj, 0);
     printf("Extension:%s\n", buff);
 
     BUF_MEM *bptr = NULL;
@@ -190,3 +215,21 @@ return 0;
 
 
 }
+
+
+
+
+int check_public_key(X509 *cert){
+  EVP_PKEY *key = X509_get_pubkey(cert);
+  RSA *rsa = NULL;
+
+  if ((rsa = EVP_PKEY_get1_RSA(key)) == NULL)
+  {
+      return 0;
+  }
+   if(8*RSA_size(rsa)==2048){
+    return 1;
+   }
+
+  return 1;
+}
\ No newline at end of file

helper_checker.c

@@ -12,29 +12,3 @@ int main(int argc, char const *argv[])
 	return 0;
 }
 
-int check_if_url_valid(char* URL, char* domain){
-if (domain[0] == '*'){
-	char* domain_1 = domain+1;
-	char *sub_url = strstr(URL, domain_1);
-
-	if (sub_url == NULL)
-	{
-		return 0;
-	}
-
-	else{
-		return (strcmp(sub_url, domain_1) == 0);
-	}
-
-}
-else
-{
-	return (strcmp(URL, domain) == 0);
-
-
-}
-
-return 0;
-
-
-}
\ No newline at end of file