From f6f4d1cc00a557232955867b6c04f767e8b5a12e Mon Sep 17 00:00:00 2001
From: Tomas Mraz <tomas@openssl.org>
Date: Wed, 5 Jan 2022 11:18:27 +0100
Subject: [PATCH] doc: Add hint to use EVP_PKEY_get_bn_param to retrieve big
 integers

Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/17423)
---
 doc/man3/EVP_PKEY_gettable_params.pod | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/doc/man3/EVP_PKEY_gettable_params.pod b/doc/man3/EVP_PKEY_gettable_params.pod
index 383ca6eb58c..c6a3b43cd31 100644
--- a/doc/man3/EVP_PKEY_gettable_params.pod
+++ b/doc/man3/EVP_PKEY_gettable_params.pod
@@ -47,10 +47,12 @@ value that is negative or does not fit into a native C B<size_t> type using
 EVP_PKEY_get_size_t_param() will also fail.
 
 EVP_PKEY_get_int_param() retrieves a key I<pkey> integer value I<*out>
-associated with a name of I<key_name>.
+associated with a name of I<key_name> if it fits into C<int> type. For
+parameters that do not fit into C<int> use EVP_PKEY_get_bn_param().
 
 EVP_PKEY_get_size_t_param() retrieves a key I<pkey> size_t value I<*out>
-associated with a name of I<key_name>.
+associated with a name of I<key_name> if it fits into C<size_t> type. For
+parameters that do not fit into C<size_t> use EVP_PKEY_get_bn_param().
 
 EVP_PKEY_get_bn_param() retrieves a key I<pkey> BIGNUM value I<**bn>
 associated with a name of I<key_name>. If I<*bn> is NULL then the BIGNUM
-- 
2.47.3