From: Pauli <pauli@openssl.org>
Date: Thu, 13 Apr 2023 02:20:08 +0000 (+1000)
Subject: doc: document that the "info" KDF param concatenates
X-Git-Tag: openssl-3.2.0-alpha1~969
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fc374a087e7fc5a5bd243ea42ce9879e8432b20e;p=thirdparty%2Fopenssl.git

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)
---

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).