1 files changed, 45 insertions, 0 deletions
diff --git a/Source/cmUuid.h b/Source/cmUuid.h
new file mode 100644
index 0000000..7de20dd
--- /dev/null
+++ b/Source/cmUuid.h
@@ -0,0 +1,45 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+#ifndef cmUuid_h
+#define cmUuid_h
+
+#include "cmConfigure.h" // IWYU pragma: keep
+
+#include <string>
+#include <vector>
+
+/** \class cmUuid
+ * \brief Utility class to generate UUIDs as defined by RFC4122
+ *
+ */
+class cmUuid
+{
+public:
+  std::string FromMd5(std::vector<unsigned char> const& uuidNamespace,
+                      std::string const& name) const;
+
+  std::string FromSha1(std::vector<unsigned char> const& uuidNamespace,
+                       std::string const& name) const;
+
+  bool StringToBinary(std::string const& input,
+                      std::vector<unsigned char>& output) const;
+
+private:
+  std::string ByteToHex(unsigned char byte) const;
+
+  void CreateHashInput(std::vector<unsigned char> const& uuidNamespace,
+                       std::string const& name,
+                       std::vector<unsigned char>& output) const;
+
+  std::string FromDigest(const unsigned char* digest,
+                         unsigned char version) const;
+
+  bool StringToBinaryImpl(std::string const& input,
+                          std::vector<unsigned char>& output) const;
+
+  std::string BinaryToString(const unsigned char* input) const;
+
+  bool IntFromHexDigit(char input, char& output) const;
+};
+
+#endif