From 25db9ff8a4cfb4b98aeeaae360e8c718b9c5e20c Mon Sep 17 00:00:00 2001
From: Dennis Brentjes <d.brentjes@gmail.com>
Date: Thu, 27 Oct 2016 09:25:53 +0200
Subject: Adds libgcrypt implementation for elgamal in multiplicative group.

Also adapts the API to both handle sodium and gcrypt libraries.
---
 CMakeModules/FindGcrypt.cmake | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 CMakeModules/FindGcrypt.cmake

(limited to 'CMakeModules/FindGcrypt.cmake')

diff --git a/CMakeModules/FindGcrypt.cmake b/CMakeModules/FindGcrypt.cmake
new file mode 100644
index 0000000..1b4e8c8
--- /dev/null
+++ b/CMakeModules/FindGcrypt.cmake
@@ -0,0 +1,33 @@
+# - Try to find the Gcrypt library
+# Once run this will define
+#
+#  Gcrypt_FOUND
+#  Gcrypt_CFLAGS
+#  Gcrypt_LIBRARIES
+
+FIND_PROGRAM(libgcrypt_config_executable NAMES libgcrypt-config)
+
+# if libgcrypt-config has been found
+IF(libgcrypt_config_executable)
+
+	EXEC_PROGRAM(${libgcrypt_config_executable} ARGS --libs RETURN_VALUE _return_VALUE OUTPUT_VARIABLE Gcrypt_LIBRARIES)
+
+	EXEC_PROGRAM(${libgcrypt_config_executable} ARGS --cflags RETURN_VALUE _return_VALUE OUTPUT_VARIABLE Gcrypt_CFLAGS)
+
+	IF(Gcrypt_LIBRARIES AND Gcrypt_CFLAGS)
+		SET(Gcrypt_FOUND TRUE)
+	ENDIF(Gcrypt_LIBRARIES AND Gcrypt_CFLAGS)
+
+ENDIF(libgcrypt_config_executable)
+
+if(Gcrypt_FOUND)
+	if (NOT Gcrypt_FIND_QUIETLY)
+		message(STATUS "Found libgcrypt: ${Gcrypt_LIBRARIES}")
+	endif (NOT Gcrypt_FIND_QUIETLY)
+else(Gcrypt_FOUND)
+	if (Gcrypt_FIND_REQUIRED)
+		message(FATAL_ERROR "Could not find libgcrypt libraries")
+	endif (Gcrypt_FIND_REQUIRED)
+endif(Gcrypt_FOUND)
+
+MARK_AS_ADVANCED(Gcrypt_CFLAGS Gcrypt_LIBRARIES)
\ No newline at end of file
-- 
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