Added a CMake system to easily add and choose crypto implementations.

8 files changed, 62 insertions, 17 deletions

diff --git a/libcmix-crypto/CMakeLists.txt b/libcmix-crypto/CMakeLists.txt
index 37e60aa..907c601 100644
--- a/libcmix-crypto/CMakeLists.txt
+++ b/libcmix-crypto/CMakeLists.txt
@@ -1,10 +1,21 @@
 
+add_library(cmix-crypto-interface INTERFACE)
+
+target_include_directories(cmix-crypto-interface
+	INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+include(curve25519_implementations)
+add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/curve25519/)
+
+include(rsa_implementations)
+add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/rsa)
+
+
 add_library(cmix-crypto
 	message.h message.c
 	keymanagement.h keymanagement.c
 	keypair.h
-	curve25519.h
-
 )
 
 target_include_directories(cmix-crypto
@@ -15,10 +26,10 @@ target_compile_options(cmix-crypto
 	PRIVATE "-std=c99"
 )
 
-add_library(libsodium_curve25519
-	libsodium_curve25519.c
-)
+option(UseEC "Use curve25519 instead of RSA" ON)
+
 
 target_link_libraries(cmix-crypto
-	PUBLIC libsodium_curve25519
+	PUBLIC curve25519-implementation
+#	PUBLIC rsa-implementation
 )
diff --git a/libcmix-crypto/curve25519/CMakeLists.txt b/libcmix-crypto/curve25519/CMakeLists.txt
new file mode 100644
index 0000000..7885e7d
--- /dev/null
+++ b/libcmix-crypto/curve25519/CMakeLists.txt
@@ -0,0 +1,22 @@
+
+add_library(curve25519-interface INTERFACE)
+
+target_include_directories(curve25519-interface
+	INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+target_link_libraries(curve25519-interface
+	INTERFACE cmix-crypto-interface
+)
+
+foreach(impl ${curve25519_implementations})
+	add_subdirectory(${impl})
+endforeach()
+
+add_library(curve25519-implementation INTERFACE)
+
+target_link_libraries(curve25519-implementation
+	INTERFACE curve25519-${curve25519_implementation}
+)
+
+
diff --git a/libcmix-crypto/curve25519.h b/libcmix-crypto/curve25519/curve25519.h
index 319e693..319e693 100644
--- a/libcmix-crypto/curve25519.h
+++ b/libcmix-crypto/curve25519/curve25519.h
diff --git a/libcmix-crypto/curve25519/sodium/CMakeLists.txt b/libcmix-crypto/curve25519/sodium/CMakeLists.txt
new file mode 100644
index 0000000..9fbf010
--- /dev/null
+++ b/libcmix-crypto/curve25519/sodium/CMakeLists.txt
@@ -0,0 +1,15 @@
+include(get_target_name)
+
+get_target_name(target_name)
+
+add_library(${target_name}
+	libsodium_curve25519.c
+)
+
+target_compile_options(${target_name}
+	PRIVATE -std=c99
+)
+
+target_link_libraries(${target_name}
+	PUBLIC curve25519-interface
+)
diff --git a/libcmix-crypto/libsodium_curve25519.c b/libcmix-crypto/curve25519/sodium/libsodium_curve25519.c
index 23dbf12..23dbf12 100644
--- a/libcmix-crypto/libsodium_curve25519.c
+++ b/libcmix-crypto/curve25519/sodium/libsodium_curve25519.c
diff --git a/libcmix-crypto/keymanagement.h b/libcmix-crypto/keymanagement.h
index 1db0ce6..18b578a 100644
--- a/libcmix-crypto/keymanagement.h
+++ b/libcmix-crypto/keymanagement.h
@@ -1,13 +1,13 @@
 #pragma once
 
-#include "curve25519.h"
-
-#include <stddef.h>
-
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+#include "keypair.h"
+
+#include <stddef.h>
+
 typedef struct KeyPair(*CmixKeyPairCreator)();
 typedef struct KeyPair(*CmixKeyPairLoader)(char*, char*);
 
@@ -16,13 +16,6 @@ struct CmixKeyManagementImpl {
 	CmixKeyPairLoader load_keypair;
 };
 
-struct CmixKeyManagementImpl get_curve25519_key_management_implementation() {
-	return (struct CmixKeyManagementImpl) {\
-		&curve25519_create_keypair,
-		NULL
-	};\
-}
-
 #ifdef __cplusplus
 } // extern "C"
 #endif
diff --git a/libcmix-crypto/rsa/CMakeLists.txt b/libcmix-crypto/rsa/CMakeLists.txt
new file mode 100644
index 0000000..82e56a9
--- /dev/null
+++ b/libcmix-crypto/rsa/CMakeLists.txt
@@ -0,0 +1,4 @@
+foreach(impl ${rsa_implementations})
+	add_subdirectory(${impl})
+endforeach()
+	
diff --git a/libcmix-crypto/rsa/sodium/CMakeLists.txt b/libcmix-crypto/rsa/sodium/CMakeLists.txt
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/libcmix-crypto/rsa/sodium/CMakeLists.txt