.TH "page_evp" 3 "Tue Jul 11 2017" "Version 7.4.0" "Heimdal crypto library" \" -*- nroff -*- .ad l .nh .SH NAME page_evp \- EVP - generic crypto interface See the library functions here: \fBEVP generic crypto functions\fP .SH "EVP Cipher" .PP The use of \fBEVP_CipherInit_ex()\fP and EVP_Cipher() is pretty easy to understand forward, then \fBEVP_CipherUpdate()\fP and \fBEVP_CipherFinal_ex()\fP really needs an example to explain \fBexample_evp_cipher\&.c\fP \&.