bsd/crypto/aes/Assert.c

   1 /*      This module exists solely to check compile-time assertions.  It should be
   2         compiled when building the project, and building should be terminated if
   3         errors are encountered.  However, any object it produces need not be
   4         included in the build.
   5 */
   6
   7
   8 #include <stddef.h>
   9
  10 #include "crypto/aes.h"
  11 #include "Context.h"
  12
  13 /*      Declare CheckAssertion so that if any of the declarations below differ
  14         from it, the compiler will report an error.
  15 */
  16 extern char CheckAssertion[1];
  17
  18 /*      Ensure that ContextKey is the offset of the ks member of the AES context
  19         structures.
  20 */
  21 extern char CheckAssertion[ContextKey == offsetof(aes_encrypt_ctx, ks)];
  22 extern char CheckAssertion[ContextKey == offsetof(aes_decrypt_ctx, ks)];
  23         /*      If these assertions fail, change the definition of ContextKey in
  24                 Context.h to match the offset of the ks field.
  25         */
  26
  27 /*      Ensure that ContextKeyLength is the offset of the inf member of the AES
  28         context structures.
  29 */
  30 extern char CheckAssertion[ContextKeyLength == offsetof(aes_encrypt_ctx, inf)];
  31 extern char CheckAssertion[ContextKeyLength == offsetof(aes_decrypt_ctx, inf)];
  32         /*      If these assertions fail, change the definition of ContextKeyLength in
  33                 Context.h to match the offset of the inf field.
  34         */