Update KDF documentation

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

diff --git a/doc/man3/EVP_PKEY_CTX_set_hkdf_md.pod b/doc/man3/EVP_PKEY_CTX_set_hkdf_md.pod
index 7fc833e056c53ffd037e8293cb22b5f3d6ce0c42..6fcecbe4f246fbca170e0f8d09edd377746fab6e 100644 (file)
--- a/doc/man3/EVP_PKEY_CTX_set_hkdf_md.pod
+++ b/doc/man3/EVP_PKEY_CTX_set_hkdf_md.pod
@@ -95,8 +95,6 @@ string which is converted to binary.
 
 =head1 NOTES
 
-All these functions are implemented as macros.
-
 A context for HKDF can be obtained by calling:
 
  EVP_PKEY_CTX *pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_HKDF, NULL);
@@ -154,6 +152,11 @@ L<EVP_PKEY_CTX_new(3)>,
 L<EVP_PKEY_CTX_ctrl_str(3)>,
 L<EVP_PKEY_derive(3)>
 
+=head1 HISTORY
+
+All of the functions described here were converted from macros to functions in
+OpenSSL 3.0.
+
 =head1 COPYRIGHT
 
 Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.