EVP_get_cipherbyobj
ciph = EVP_get_cipherbyobj(calg->algorithm);
if ((ciph = EVP_get_cipherbyobj(calg->algorithm)) == NULL) {
kekcipher = EVP_get_cipherbyobj(kekalg->algorithm);
kekcipher = EVP_get_cipherbyobj(kekalg->algorithm);
cipher = EVP_get_cipherbyobj(pbe2->encryption->algorithm);
evp_cipher = EVP_get_cipherbyobj(enc_alg->algorithm);
evp_cipher = EVP_get_cipherbyobj(enc_alg->algorithm);