Add provider pre-fetching documentation

[thirdparty/openssl.git] / doc / man3 / EVP_aes_128_gcm.pod

diff --git a/doc/man3/EVP_aes_128_gcm.pod b/doc/man3/EVP_aes_128_gcm.pod
index 0575901503b288647292668701136a5d5930ca04..a8c1d06b0083cb66dd94dc91c88acdd3cdb89b77 100644 (file)
--- a/doc/man3/EVP_aes_128_gcm.pod
+++ b/doc/man3/EVP_aes_128_gcm.pod
@@ -169,6 +169,13 @@ the XTS "tweak" value.
 
 =back
 
+=head1 NOTES
+
+Developers should be aware of the negative performance implications of
+calling these functions multiple times and should consider using
+L<EVP_CIPHER_fetch(3)> instead.
+See L<crypto(7)/Performance> for further information.
+
 =head1 RETURN VALUES
 
 These functions return an B<EVP_CIPHER> structure that contains the