X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/060df5ea7c632b1ac8cc8aac1fb59758165c2084..6d2010ae8f7a6078e10b361c6962983bab233e0f:/bsd/crypto/aes/Assert.c?ds=inline

diff --git a/bsd/crypto/aes/Assert.c b/bsd/crypto/aes/Assert.c
new file mode 100644
index 000000000..5ba9c4472
--- /dev/null
+++ b/bsd/crypto/aes/Assert.c
@@ -0,0 +1,34 @@
+/*	This module exists solely to check compile-time assertions.  It should be
+	compiled when building the project, and building should be terminated if
+	errors are encountered.  However, any object it produces need not be
+	included in the build.
+*/
+
+
+#include <stddef.h>
+
+#include "crypto/aes.h"
+#include "Context.h"
+
+/*	Declare CheckAssertion so that if any of the declarations below differ
+	from it, the compiler will report an error.
+*/
+extern char CheckAssertion[1];
+
+/*	Ensure that ContextKey is the offset of the ks member of the AES context
+	structures.
+*/
+extern char CheckAssertion[ContextKey == offsetof(aes_encrypt_ctx, ks)];
+extern char CheckAssertion[ContextKey == offsetof(aes_decrypt_ctx, ks)];
+	/*	If these assertions fail, change the definition of ContextKey in
+		Context.h to match the offset of the ks field.
+	*/
+
+/*	Ensure that ContextKeyLength is the offset of the inf member of the AES
+	context structures.
+*/
+extern char CheckAssertion[ContextKeyLength == offsetof(aes_encrypt_ctx, inf)];
+extern char CheckAssertion[ContextKeyLength == offsetof(aes_decrypt_ctx, inf)];
+	/*	If these assertions fail, change the definition of ContextKeyLength in
+		Context.h to match the offset of the inf field.
+	*/