On 11/04/2019 13:06, Swamy J-S wrote: > > And i used *“ASN1_CTX ctx”* but this is not working if modify like above. And > during build its suggesting to use *“ASN1_SCTX ctx”* but if I use this then I > get error in *“M_ASN1_New_Malloc”* > > So how to modify “*ASN1_CTX ctx*” in openssl 1.1.0g. > > Also am getting error as /usr/include/openssl/asn1_mac.h:10:2: error: #error > "This file is obsolete; please update your software." > You are using the old ASN1 API which has been obsolete since 2002. Are you reading/writing your own custom ASN1 structures? If so then that will need to be rewritten. See my recent post on this topic: https://mta.openssl.org/pipermail/openssl-users/2019-April/010239.html Matt