page_evp (3) - Linux Manuals
page_evp: EVP - generic crypto interface
NAME
page_evp - EVP - generic crypto interface See the library functions here: EVP generic crypto functions
EVP Cipher
The use of EVP_CipherInit_ex() and EVP_Cipher() is pretty easy to understand forward, then EVP_CipherUpdate() and EVP_CipherFinal_ex() really needs an example to explain example_evp_cipher.c .