rsa: document deprecated low level functions

[openssl.git] / doc / man3 / RSA_meth_new.pod

diff --git a/doc/man3/RSA_meth_new.pod b/doc/man3/RSA_meth_new.pod
index 100c64cbce57b6410e1770fbfb4c2f3e5c9e0bd9..a6a5f4738be601191905c5a768268f0694536de0 100644 (file)
--- a/doc/man3/RSA_meth_new.pod
+++ b/doc/man3/RSA_meth_new.pod
@@ -20,6 +20,10 @@ RSA_meth_get_multi_prime_keygen, RSA_meth_set_multi_prime_keygen
 
  #include <openssl/rsa.h>
 
+Deprecated since OpenSSL 3.0, can be hidden entirely by defining
+B<OPENSSL_API_COMPAT> with a suitable version value, see
+L<openssl_user_macros(7)>:
+
  RSA_METHOD *RSA_meth_new(const char *name, int flags);
  void RSA_meth_free(RSA_METHOD *meth);
 
@@ -123,6 +127,9 @@ RSA_meth_get_multi_prime_keygen, RSA_meth_set_multi_prime_keygen
 
 =head1 DESCRIPTION
 
+All of the functions described on this page are deprecated.
+Applications should instead use the OSSL_PROVIDER APIs.
+
 The B<RSA_METHOD> type is a structure used for the provision of custom
 RSA implementations. It provides a set of functions used by OpenSSL
 for the implementation of the various RSA capabilities.
@@ -244,6 +251,8 @@ L<RSA_generate_multi_prime_key(3)>
 
 =head1 HISTORY
 
+All of these functions were deprecated in OpenSSL 3.0.
+
 RSA_meth_get_multi_prime_keygen() and RSA_meth_set_multi_prime_keygen() were
 added in OpenSSL 1.1.1.