Merge tag 'upstream/4.0'

Upstream version 4.0

# gpg: Signature made Wed Dec 21 21:25:11 2016 CET
# gpg:                using RSA key 2C7C3146C1A00121
# gpg: Good signature from "Jonas Smedegaard <dr@jones.dk>"
# gpg:                 aka "Jonas Smedegaard <jonas@homebase.dk>"
# gpg:                 aka "Jonas Smedegaard <js@debian.org>"
# gpg:                 aka "[jpeg image of size 4165]"

1 files changed, 21 insertions, 0 deletions

diff --git a/louloulibs/xmpp/auth.cpp b/louloulibs/xmpp/auth.cpp
new file mode 100644
index 0000000..c20f95d
--- /dev/null
+++ b/louloulibs/xmpp/auth.cpp
@@ -0,0 +1,21 @@
+#include <xmpp/auth.hpp>
+
+#include <utils/sha1.hpp>
+
+#include <iomanip>
+#include <sstream>
+
+std::string get_handshake_digest(const std::string& stream_id, const std::string& secret)
+{
+  sha1nfo sha1;
+  sha1_init(&sha1);
+  sha1_write(&sha1, stream_id.data(), stream_id.size());
+  sha1_write(&sha1, secret.data(), secret.size());
+  const uint8_t* result = sha1_result(&sha1);
+
+  std::ostringstream digest;
+  for (int i = 0; i < HASH_LENGTH; i++)
+    digest << std::hex << std::setfill('0') << std::setw(2) << static_cast<int>(result[i]);
+
+  return digest.str();
+}