Rename OSSL_SERIALIZER / OSSL_DESERIALIZER to OSSL_ENCODE / OSSL_DECODE

[openssl.git] / doc / man3 / MDC2_Init.pod

diff --git a/doc/man3/MDC2_Init.pod b/doc/man3/MDC2_Init.pod
index 4ffbf931c09cfffb96f11b89571e96c6d6fdf0a0..abcf14445ece1122db04a383179630dacdcbcde5 100644 (file)
--- a/doc/man3/MDC2_Init.pod
+++ b/doc/man3/MDC2_Init.pod
@@ -8,6 +8,10 @@ MDC2, MDC2_Init, MDC2_Update, MDC2_Final - MDC2 hash function
 
  #include <openssl/mdc2.h>
 
+Deprecated since OpenSSL 3.0, can be hidden entirely by defining
+B<OPENSSL_API_COMPAT> with a suitable version value, see
+L<openssl_user_macros(7)>:
+
  unsigned char *MDC2(const unsigned char *d, unsigned long n,
                      unsigned char *md);
 
@@ -18,6 +22,10 @@ MDC2, MDC2_Init, MDC2_Update, MDC2_Final - MDC2 hash function
 
 =head1 DESCRIPTION
 
+All of the functions described on this page are deprecated.
+Applications should instead use L<EVP_DigestInit_ex(3)>, L<EVP_DigestUpdate(3)>
+and L<EVP_DigestFinal_ex(3)>.
+
 MDC2 is a method to construct hash functions with 128 bit output from
 block ciphers.  These functions are an implementation of MDC2 with
 DES.
@@ -56,9 +64,13 @@ ISO/IEC 10118-2:2000 Hash-Function 2, with DES as the underlying block cipher.
 
 L<EVP_DigestInit(3)>
 
+=head1 HISTORY
+
+All of these functions were deprecated in OpenSSL 3.0.
+
 =head1 COPYRIGHT
 
-Copyright 2000-2017 The OpenSSL Project Authors. All Rights Reserved.
+Copyright 2000-2020 The OpenSSL Project Authors. All Rights Reserved.
 
 Licensed under the Apache License 2.0 (the "License").  You may not use
 this file except in compliance with the License.  You can obtain a copy