#include <iostream>
#include <string>
// Include necessary headers for your chosen cryptographic library (e.g., OpenSSL)
 
// Placeholder functions for encryption/decryption
std::string encrypt_data(const std::string& plaintext, const std::string& key) {
    // Implement actual encryption using a cryptographic library
    std::cout << "Encrypting data..." << std::endl;
    return "encrypted_" + plaintext; // Placeholder
}
 
std::string decrypt_data(const std::string& ciphertext, const std::string& key) {
    // Implement actual decryption using a cryptographic library
    std::cout << "Decrypting data..." << std::endl;
    return ciphertext.substr(10); // Placeholder (removes "encrypted_")
}
 
int main() {
    std::string original_data = "sensitive information";
    std::string encryption_key = "my_secret_key";
 
    // Encrypt data before storing in Memcached
    std::string encrypted_data = encrypt_data(original_data, encryption_key);
    // In a real application, you would now store 'encrypted_data' in Memcached
 
    // Simulate retrieving from Memcached
    std::string retrieved_encrypted_data = encrypted_data; 
 
    // Decrypt data after retrieving from Memcached
    std::string decrypted_data = decrypt_data(retrieved_encrypted_data, encryption_key);
 
    std::cout << "Original: " << original_data << std::endl;
    std::cout << "Encrypted (simulated): " << encrypted_data << std::endl;
    std::cout << "Decrypted: " << decrypted_data << std::endl;
 
    return 0;
}

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