On Wed, 29 May 2019 19:39:38 +0200, ramakrushna mishra wrote: > In Openssl 1.1.1, the file "rc4-ia64.pl" is missing. This cause degradation of performance on > AIX. Is this intentional for deprecating the support for RC4 ? It got remove as part of a larger cleanup commit: commit 624265c60e07f8e5f251d0f5b79e34cf0221af73 Author: Rich Salz <rsalz@xxxxxxxxxxx> Date: Thu Jun 15 12:03:40 2017 -0400 Cleanup some copyright stuff Remove some incorrect copyright references. Move copyright to standard place Add OpenSSL copyright where missing. Remove copyrighted file that we don't use any more Remove Itanium assembler for RC4 and MD5 (assembler versions of old and weak algorithms for an old chip) Standardize apps/rehash copyright comment; approved by Timo Put dual-copyright notice on mkcert Reviewed-by: Richard Levitte <levitte@xxxxxxxxxxx> (Merged from https://github.com/openssl/openssl/pull/3691) > Similarly If I build Openssl 1.1.1 on nt64 with flags "enable-weak-ssl-ciphers" and " > enable-deprecated" , I witness degrade in performance. Could you please help me understand how > these flags can be related to speed test of all ciphers and digests ? Degradation, compared to what? Cheers, Richard -- Richard Levitte levitte@xxxxxxxxxxx OpenSSL Project http://www.openssl.org/~levitte/