e9571_base64_pro_lib Usage Examples

This document demonstrates the usage of the e9571_base64_pro_lib module in a Rust program, designed for casino-related Base64 encoding and decoding operations, such as encoding user data or handling file transfers.

Source Code Example

Below is a Rust program showcasing Base64 encoding and decoding functions from the e9571_base64_pro_lib module. The code demonstrates string encoding/decoding and file-to-Base64 conversions, suitable for secure data handling in casino applications.

use e9571_base64_pro_lib::e9571_base64_pro_lib::{encode_go_base64, decode_go_base64, file_to_base64, base64_to_file};

fn main() {
    // Example 1: String Encoding and Decoding
    let encoded = encode_go_base64("Hello, World!");
    println!("Encoded string: {}", encoded);

    let decoded = decode_go_base64(&encoded);
    println!("Decoded string: {}", decoded);

    // Example 2: File to Base64 Conversion
    let input_file = r"D:\vcredist.bmp";
    let output_file = r"D:\output.txt";
    let result = file_to_base64(input_file, output_file);
    println!("File to base64 ({} -> {}): {}", input_file, output_file, result);

    // Example 3: Base64 to File Restoration
    let restored_file = r"D:\restored.bmp";
    let result = base64_to_file(output_file, restored_file);
    println!("Base64 to file ({} -> {}): {}", output_file, restored_file, result);
}

Explanation of Functions

The e9571_base64_pro_lib module provides utility functions for Base64 encoding and decoding, ideal for casino applications to securely encode data or transfer files.

1. encode_go_base64:

   • Encodes a string into Base64 format.
   • Use Case: Encoding user IDs, bet details, or sensitive data for secure transmission.

2. decode_go_base64:

   • Decodes a Base64 string back to its original form.
   • Use Case: Decoding received data from APIs or user inputs.

3. file_to_base64:

   • Converts a file's contents to Base64 and saves it to an output file.
   • Use Case: Encoding game assets, user-uploaded files, or transaction logs for storage or transfer.

4. base64_to_file:

   • Restores a Base64-encoded file to its original binary format.
   • Use Case: Reconstructing files (e.g., images, logs) from Base64 data received via APIs.

Casino Scenario Usage

These functions are ideal for casino applications, such as:

• Data Security: Encoding sensitive user or transaction data for secure API transmission (encode_go_base64, decode_go_base64).
• File Handling: Converting game assets or logs to Base64 for storage or transfer (file_to_base64).
• File Restoration: Restoring images or documents from Base64 data for verification or display (base64_to_file).

Example Output

The output depends on the file system and e9571_base64_pro_lib implementation. Assuming the operations succeed (as of 07:18 PM JST on August 14, 2025) and D:\vcredist.bmp exists, an example output might look like:

Encoded string: SGVsbG8sIFdvcmxkIQ==
Decoded string: Hello, World!
File to base64 (D:\vcredist.bmp -> D:\output.txt): Ok(())
Base64 to file (D:\output.txt -> D:\restored.bmp): Ok(())

If the input file is missing or invalid, an error might be:

File to base64 (D:\vcredist.bmp -> D:\output.txt): Err("No such file or directory")

Notes

• File System: The code assumes write access to D:\vcredist.bmp, D:\output.txt, and D:\restored.bmp. Ensure paths are valid and accessible.
• Error Handling: The code assumes functions return Result or similar types. In production, add explicit error handling for robustness.
• Casino Context: These functions are suitable for encoding betting records, user data, or game assets in a casino system.
• GitHub Rendering: This Markdown uses Rust syntax highlighting, clear headings, and structured explanations for optimal display.
• Security: Ensure Base64-encoded data is handled securely, especially for sensitive information like user credentials or transaction logs.
• File Size: Large files (e.g., vcredist.bmp) may require significant memory for Base64 conversion; consider streaming for efficiency.