programs: cmake: Use list of executables

Use list of executables to:
- factorize the code to define executables
- highlight the similarities and differences of the executable definitions
- avoid list duplication

Use alphabetic order for executables in lists.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/programs/pkey/CMakeLists.txt b/programs/pkey/CMakeLists.txt
index 8456228..17a252d 100644
--- a/programs/pkey/CMakeLists.txt
+++ b/programs/pkey/CMakeLists.txt
@@ -1,63 +1,39 @@
-add_executable(dh_client dh_client.c)
-target_link_libraries(dh_client mbedtls)
+set(executables_mbedtls
+    dh_client
+    dh_server
+)
 
-add_executable(dh_genprime dh_genprime.c)
-target_link_libraries(dh_genprime mbedcrypto)
+foreach(exe IN LISTS executables_mbedtls)
+    add_executable(${exe} ${exe}.c)
+    target_link_libraries(${exe} mbedtls)
+endforeach()
 
-add_executable(dh_server dh_server.c)
-target_link_libraries(dh_server mbedtls)
+set(executables_mbedcrypto
+    dh_genprime
+    ecdh_curve25519
+    ecdsa
+    gen_key
+    key_app
+    key_app_writer
+    mpi_demo
+    pk_encrypt
+    pk_decrypt
+    pk_sign
+    pk_verify
+    rsa_decrypt
+    rsa_encrypt
+    rsa_genkey
+    rsa_sign
+    rsa_sign_pss
+    rsa_verify
+    rsa_verify_pss
+)
 
-add_executable(ecdh_curve25519 ecdh_curve25519.c)
-target_link_libraries(ecdh_curve25519 mbedcrypto)
+foreach(exe IN LISTS executables_mbedcrypto)
+    add_executable(${exe} ${exe}.c)
+    target_link_libraries(${exe} mbedcrypto)
+endforeach()
 
-add_executable(ecdsa ecdsa.c)
-target_link_libraries(ecdsa mbedcrypto)
-
-add_executable(gen_key gen_key.c)
-target_link_libraries(gen_key mbedcrypto)
-
-add_executable(key_app key_app.c)
-target_link_libraries(key_app mbedcrypto)
-
-add_executable(key_app_writer key_app_writer.c)
-target_link_libraries(key_app_writer mbedcrypto)
-
-add_executable(mpi_demo mpi_demo.c)
-target_link_libraries(mpi_demo mbedcrypto)
-
-add_executable(rsa_genkey rsa_genkey.c)
-target_link_libraries(rsa_genkey mbedcrypto)
-
-add_executable(rsa_sign rsa_sign.c)
-target_link_libraries(rsa_sign mbedcrypto)
-
-add_executable(rsa_verify rsa_verify.c)
-target_link_libraries(rsa_verify mbedcrypto)
-
-add_executable(rsa_sign_pss rsa_sign_pss.c)
-target_link_libraries(rsa_sign_pss mbedcrypto)
-
-add_executable(rsa_verify_pss rsa_verify_pss.c)
-target_link_libraries(rsa_verify_pss mbedcrypto)
-
-add_executable(rsa_encrypt rsa_encrypt.c)
-target_link_libraries(rsa_encrypt mbedcrypto)
-
-add_executable(rsa_decrypt rsa_decrypt.c)
-target_link_libraries(rsa_decrypt mbedcrypto)
-
-add_executable(pk_sign pk_sign.c)
-target_link_libraries(pk_sign mbedcrypto)
-
-add_executable(pk_verify pk_verify.c)
-target_link_libraries(pk_verify mbedcrypto)
-
-add_executable(pk_encrypt pk_encrypt.c)
-target_link_libraries(pk_encrypt mbedcrypto)
-
-add_executable(pk_decrypt pk_decrypt.c)
-target_link_libraries(pk_decrypt mbedcrypto)
-
-install(TARGETS dh_client dh_genprime dh_server key_app mpi_demo rsa_genkey rsa_sign rsa_verify rsa_encrypt rsa_decrypt pk_encrypt pk_decrypt pk_sign pk_verify gen_key
+install(TARGETS ${executables_mbedtls} ${executables_mbedcrypto}
         DESTINATION "bin"
         PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)