Reorganize private crypto header files

Currently, there are two different directories which contain internal
header files of libcrypto which are meant to be shared internally:

While header files in 'include/internal' are intended to be shared
between libcrypto and libssl, the files in 'crypto/include/internal'
are intended to be shared inside libcrypto only.

To make things complicated, the include search path is set up in such
a way that the directive #include "internal/file.h" could refer to
a file in either of these two directoroes. This makes it necessary
in some cases to add a '_int.h' suffix to some files to resolve this
ambiguity:

  #include "internal/file.h"      # located in 'include/internal'
  #include "internal/file_int.h"  # located in 'crypto/include/internal'

This commit moves the private crypto headers from

  'crypto/include/internal'  to  'include/crypto'

As a result, the include directives become unambiguous

  #include "internal/file.h"       # located in 'include/internal'
  #include "crypto/file.h"         # located in 'include/crypto'

hence the superfluous '_int.h' suffixes can be stripped.

The files 'store_int.h' and 'store.h' need to be treated specially;
they are joined into a single file.

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/9333)

1 files changed, 24 insertions, 0 deletions

diff --git a/include/crypto/bn_dh.h b/include/crypto/bn_dh.h
new file mode 100644
index 0000000000..9077234250
--- /dev/null
+++ b/include/crypto/bn_dh.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#define declare_dh_bn(x) \
+    extern const BIGNUM _bignum_dh##x##_p;              \
+    extern const BIGNUM _bignum_dh##x##_g;              \
+    extern const BIGNUM _bignum_dh##x##_q;
+
+declare_dh_bn(1024_160)
+declare_dh_bn(2048_224)
+declare_dh_bn(2048_256)
+
+extern const BIGNUM _bignum_ffdhe2048_p;
+extern const BIGNUM _bignum_ffdhe3072_p;
+extern const BIGNUM _bignum_ffdhe4096_p;
+extern const BIGNUM _bignum_ffdhe6144_p;
+extern const BIGNUM _bignum_ffdhe8192_p;
+extern const BIGNUM _bignum_const_2;