clarification about the DES status

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

diff --git a/doc/man3/EVP_desx_cbc.pod b/doc/man3/EVP_desx_cbc.pod
index c9e250f34c5c8ad44583721338c6b2f6153b0d4b..2a41e088982a21b55eb20a40841a273173450fcd 100644 (file)
--- a/doc/man3/EVP_desx_cbc.pod
+++ b/doc/man3/EVP_desx_cbc.pod
@@ -23,6 +23,10 @@ All modes below use a key length of 128 bits and acts on blocks of 128-bits.
 
 The DES-X algorithm in CBC mode.
 
+This algorithm is not provided by the OpenSSL default provider.
+To use it is necessary to load either the OpenSSL legacy provider or another
+implementation.
+
 =back
 
 =head1 RETURN VALUES