From fc374a087e7fc5a5bd243ea42ce9879e8432b20e Mon Sep 17 00:00:00 2001
From: Pauli <pauli@openssl.org>
Date: Thu, 13 Apr 2023 12:20:08 +1000
Subject: [PATCH] doc: document that the "info" KDF param concatenates

Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/20724)
---
 doc/man3/EVP_KDF.pod | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/doc/man3/EVP_KDF.pod b/doc/man3/EVP_KDF.pod
index 3b4e2b79aa1..3c8914bd263 100644
--- a/doc/man3/EVP_KDF.pod
+++ b/doc/man3/EVP_KDF.pod
@@ -227,6 +227,12 @@ Some KDF implementations require a key.
 For those KDF implementations that support it, this octet string parameter
 sets the key.
 
+=item "info" (B<OSSL_KDF_PARAM_INFO>) <octet string>
+
+This parameter sets the info, fixed info, other info or shared info value.
+You can specify this parameter multiple times, and each instance will
+be concatenated to form the final value.
+
 =item "maclen" (B<OSSL_KDF_PARAM_MAC_SIZE>) <unsigned integer>
 
 Used by implementations that use a MAC with a variable output size (KMAC).
-- 
2.47.2