Add message to BOTAN_ARG_CHECK and use it more widely

1 files changed, 25 insertions, 0 deletions

diff --git a/src/lib/base/sym_algo.cpp b/src/lib/base/sym_algo.cpp
new file mode 100644
index 000000000..c6062667b
--- /dev/null
+++ b/src/lib/base/sym_algo.cpp
@@ -0,0 +1,25 @@
+/*
+* (C) 2018 Jack Lloyd
+*
+* Botan is released under the Simplified BSD License (see license.txt)
+*/
+
+#include <botan/sym_algo.h>
+#include <botan/exceptn.h>
+
+namespace Botan {
+
+void SymmetricAlgorithm::verify_key_set(bool cond) const
+   {
+   if(cond == false)
+      throw Key_Not_Set(name());
+   }
+
+void SymmetricAlgorithm::set_key(const uint8_t key[], size_t length)
+   {
+   if(!valid_keylength(length))
+      throw Invalid_Key_Length(name(), length);
+   key_schedule(key, length);
+   }
+
+}