Latest update.

doc/man3/RSA_public_encrypt.pod

@@ -8,6 +8,10 @@ RSA_public_encrypt, RSA_private_decrypt - RSA public key cryptography
 
  #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)>:
+
  int RSA_public_encrypt(int flen, const unsigned char *from,
                         unsigned char *to, RSA *rsa, int padding);
 
@@ -16,6 +20,10 @@ RSA_public_encrypt, RSA_private_decrypt - RSA public key cryptography
 
 =head1 DESCRIPTION
 
+Both of the functions described on this page are deprecated.
+Applications should instead use L<EVP_PKEY_encrypt_init(3)>,
+L<EVP_PKEY_encrypt(3)>, L<EVP_PKEY_decrypt_init(3)> and L<EVP_PKEY_decrypt(3)>.
+
 RSA_public_encrypt() encrypts the B<flen> bytes at B<from> (usually a
 session key) using the public key B<rsa> and stores the ciphertext in
 B<to>. B<to> must point to RSA_size(B<rsa>) bytes of memory.
@@ -97,6 +105,10 @@ SSL, PKCS #1 v2.0
 L<ERR_get_error(3)>, L<RAND_bytes(3)>,
 L<RSA_size(3)>
 
+=head1 HISTORY
+
+Both of these functions were deprecated in OpenSSL 3.0.
+
 =head1 COPYRIGHT
 
 Copyright 2000-2019 The OpenSSL Project Authors. All Rights Reserved.