Core/Cryptography: Move the SHA1 calculate helper to the SHA1 header

(cherry picked from commit 3271f328de)

src/common/Cryptography/SHA1.cpp

@@ -18,6 +18,7 @@
 
 #include "SHA1.h"
 #include "BigNumber.h"
+#include "Util.h"
 #include <cstring>
 #include <stdarg.h>
 
@@ -67,3 +68,10 @@ void SHA1Hash::Finalize(void)
     SHA1_Final(mDigest, &mC);
 }
 
+std::string CalculateSHA1Hash(std::string const& content)
+{
+    unsigned char digest[SHA_DIGEST_LENGTH];
+    SHA1((unsigned char*)content.c_str(), content.length(), (unsigned char*)&digest);
+
+    return ByteArrayToHexStr(digest, SHA_DIGEST_LENGTH);
+}

src/common/Cryptography/SHA1.h

@@ -49,5 +49,8 @@ class TC_COMMON_API SHA1Hash
         SHA_CTX mC;
         uint8 mDigest[SHA_DIGEST_LENGTH];
 };
-#endif
 
+/// Returns the SHA1 hash of the given content as hex string.
+TC_COMMON_API std::string CalculateSHA1Hash(std::string const& content);
+
+#endif

src/server/database/Updater/UpdateFetcher.cpp

@@ -18,6 +18,7 @@
 #include "UpdateFetcher.h"
 #include "Log.h"
 #include "Util.h"
+#include "SHA1.h"
 
 #include <fstream>
 #include <chrono>
@@ -25,7 +26,6 @@
 #include <sstream>
 #include <exception>
 #include <unordered_map>
-#include <openssl/sha.h>
 
 using namespace boost::filesystem;
 
@@ -209,9 +209,8 @@ UpdateResult UpdateFetcher::Update(bool const redundancyChecks,
             }
         }
 
-        // Calculate hash
-        std::string const hash =
-            CalculateHash(ReadSQLUpdate(availableQuery.first));
+        // Calculate a Sha1 hash based on query content.
+        std::string const hash = CalculateSHA1Hash(ReadSQLUpdate(availableQuery.first));
 
         UpdateMode mode = MODE_APPLY;
 
@@ -334,15 +333,6 @@ UpdateResult UpdateFetcher::Update(bool const redundancyChecks,
     return UpdateResult(importedUpdates, countRecentUpdates, countArchivedUpdates);
 }
 
-std::string UpdateFetcher::CalculateHash(std::string const& query) const
-{
-    // Calculate a Sha1 hash based on query content.
-    unsigned char digest[SHA_DIGEST_LENGTH];
-    SHA1((unsigned char*)query.c_str(), query.length(), (unsigned char*)&digest);
-
-    return ByteArrayToHexStr(digest, SHA_DIGEST_LENGTH);
-}
-
 uint32 UpdateFetcher::Apply(Path const& path) const
 {
     using Time = std::chrono::high_resolution_clock;

src/server/database/Updater/UpdateFetcher.h

@@ -112,7 +112,6 @@ private:
     AppliedFileStorage ReceiveAppliedFiles() const;
 
     std::string ReadSQLUpdate(Path const& file) const;
-    std::string CalculateHash(std::string const& query) const;
 
     uint32 Apply(Path const& path) const;