dasync_cipher_helper
return dasync_cipher_helper(ctx, out, in, inl, EVP_aes_128_cbc());
return dasync_cipher_helper(ctx, out, in, inl, EVP_aes_256_ctr());
return dasync_cipher_helper(ctx, out, in, inl, EVP_aes_128_cbc_hmac_sha1());