- extended with sha256

src/include/checksum.hpp

@@ -6,7 +6,7 @@
 #include <openssl/sha.h>
 using namespace std;
 
-enum checksum_algorithms {md5=1, sha1};
+enum checksum_algorithms {md5=1, sha1, sha256};
 typedef struct {
   long unsigned int octetcount;
   long unsigned int streamcount;

src/lib/checksum.cpp

@@ -34,6 +34,15 @@ string Checksum::checksum_of_file(string filepath, checksum_algorithms alg) {
                    }
                    break;
                  }
+		 case sha256: {
+                   unsigned char result[SHA_DIGEST_LENGTH];
+                   SHA256((unsigned char*) memBlock, fileSize, result);
+                   for (int i=0; i<SHA_DIGEST_LENGTH; i++) {
+                     hex_result<< hex << setw(2) << setfill('0') << (int) result[i];
+                   }
+                   break;
+                 }
+
     }
     delete memBlock;
     // cout << "# # CHECKSUM for filepath '" << filepath << "' " << hex_result.str() << endl;