+static OSSL_OP_cipher_encrypt_init_fn aes_einit;
+static OSSL_OP_cipher_decrypt_init_fn aes_dinit;
+static OSSL_OP_cipher_update_fn aes_block_update;
+static OSSL_OP_cipher_final_fn aes_block_final;
+static OSSL_OP_cipher_update_fn aes_stream_update;
+static OSSL_OP_cipher_final_fn aes_stream_final;
+static OSSL_OP_cipher_cipher_fn aes_cipher;
+static OSSL_OP_cipher_freectx_fn aes_freectx;
+static OSSL_OP_cipher_dupctx_fn aes_dupctx;
+static OSSL_OP_cipher_key_length_fn key_length_256;
+static OSSL_OP_cipher_key_length_fn key_length_192;
+static OSSL_OP_cipher_key_length_fn key_length_128;
+static OSSL_OP_cipher_iv_length_fn iv_length_16;
+static OSSL_OP_cipher_iv_length_fn iv_length_0;
+static OSSL_OP_cipher_block_size_fn block_size_16;
+static OSSL_OP_cipher_block_size_fn block_size_1;
+static OSSL_OP_cipher_ctx_get_params_fn aes_ctx_get_params;
+static OSSL_OP_cipher_ctx_set_params_fn aes_ctx_set_params;
+