Explicitly export a list of symbols from libcrypto.

Move the "internal" BN functions from bn.h to bn_lcl.h and stop exporting
the bn_* symbols. These are documented as only being intended for internal
use, so why they were placed in a public header is beyond me...

This hides 363 previously exported symbols, most of which exist in headers
that are not installed and were never intended to be public. This also
removes a few crusty old things that should have died long ago (like
_ossl_old_des_read_pw). But don't worry... there are still 3451 symbols
exported from the library.

With input and testing from inoguchi@.

ok beck@ inoguchi@

2 files changed, 10 insertions, 2 deletions

diff --git a/src/lib/libcrypto/asn1/asn1_locl.h b/src/lib/libcrypto/asn1/asn1_locl.h
index 9b612c8183..17bb4157a9 100644
--- a/src/lib/libcrypto/asn1/asn1_locl.h
+++ b/src/lib/libcrypto/asn1/asn1_locl.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: asn1_locl.h,v 1.7 2015/10/19 16:32:37 beck Exp $ */
+/* $OpenBSD: asn1_locl.h,v 1.8 2016/12/21 15:49:29 jsing Exp $ */
 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project 2006.
  */
@@ -56,6 +56,8 @@
  *
  */
 
+__BEGIN_HIDDEN_DECLS
+
 /* Internal ASN1 structures and functions: not for application use */
 
 /* ASN1 print context structure */
@@ -149,3 +151,5 @@ struct x509_crl_method_st {
 
 int UTF8_getc(const unsigned char *str, int len, unsigned long *val);
 int UTF8_putc(unsigned char *str, int len, unsigned long value);
+
+__END_HIDDEN_DECLS
diff --git a/src/lib/libcrypto/asn1/charmap.h b/src/lib/libcrypto/asn1/charmap.h
index d9397bf826..bed5487600 100644
--- a/src/lib/libcrypto/asn1/charmap.h
+++ b/src/lib/libcrypto/asn1/charmap.h
@@ -1,8 +1,10 @@
-/* $OpenBSD: charmap.h,v 1.4 2014/06/12 15:49:27 deraadt Exp $ */
+/* $OpenBSD: charmap.h,v 1.5 2016/12/21 15:49:29 jsing Exp $ */
 /* Auto generated with chartype.pl script.
  * Mask of various character properties
  */
 
+__BEGIN_HIDDEN_DECLS
+
 static const unsigned char char_type[] = {
         2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
         2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
@@ -13,3 +15,5 @@ static const unsigned char char_type[] = {
         0, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
         16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 0, 0, 0, 0, 2
 };
+
+__END_HIDDEN_DECLS