On 04/12/2020 13:28, Narayana, Sunil Kumar wrote: > Hi, > > We are trying to upgrade our application from openssl > usage of 1.0.2 to openssl 3.0, during which we observe following errors. > > Looks like the below #def been removed from 1.1 onwards, Should > application also need to take off from its usage ? or is there any > alternative to be used in application ? 1.0.x -> 1.1.x is a breaking change, and so is 1.1.x to 3.0. Return codes are liable to change in these upgrades. > error: 'SSL_R_PEER_ERROR_NO_CIPHER' was not declared in this scope This one was only ever used in the SSLv2 implementation. Since no one uses SSLv2 any more and it is considered highly insecure its implementation was removed some while ago. So the reason code was also deleted. > error: 'SSL_R_NO_CERTIFICATE_RETURNED' was not declared in this scope This reason code existed in 1.0.2 but was never used by anything. Matt