EVP_CIPHER_meth_get_init
ret = EVP_CIPHER_meth_get_init(cipher)(ctx, key, iv, enc);
return EVP_CIPHER_meth_get_init(EVP_aes_128_cbc())(ctx, key, iv, enc);
return EVP_CIPHER_meth_get_init(EVP_aes_128_gcm())(ctx, key, iv, enc);
OSSL_DEPRECATEDIN_3_0 int (*EVP_CIPHER_meth_get_init(const EVP_CIPHER *cipher))(EVP_CIPHER_CTX *ctx,