On Thu, Jul 01, 2021 at 12:36:10AM +0000, Konstantin Boyandin via openssl-users wrote: > OpenSSL version: 1.1.1k. > > I noticed that > > X509 *d2i_X509(X509 **px, const unsigned char **in, long len); > > function is no longer defined in openssl/x509.h available in 1.0.x > versions, the only one available is now Actually it is still declared, via: DECLARE_ASN1_FUNCTIONS(X509) -- Viktor.