🎭 Steganography
The art of hiding secret messages in plain sight. Learn and practice steganographic techniques to conceal information within innocent-looking text.
🛠️ Steganography Tool
Hide secret messages within cover text or extract hidden messages from suspicious text
🔤 Metoda: Co druga litera
Ta metoda ukrywa wiadomość poprzez modyfikację co drugiej litery w słowach. Tekst nadal wygląda naturalnie, ale zawiera ukrytą informację.
🧠 How Steganography Works
Understanding the principles behind hiding information in plain sight
🎯 What is Steganography?
Steganography is the practice of concealing information within and seemingly innocent carrier medium. Unlike cryptography, which makes data unreadable, steganography makes data invisible.
The word comes from Greek: "steganos" (covered or hidden) + "graphein" (writing), literally meaning "hidden writing."
📜 Historical Context
Steganography has been used throughout history:
- Ancient Greeks tattooed messages on slaves' heads
- Invisible ink made from lemon juice or milk
- Messages hidden in paintings or music
- Modern digital steganography in images and audio
🔄 Steganography vs Cryptography
Cryptography
Makes data unreadable but visible. Everyone knows a secret message exists, but can't read it without the key.
Steganography
Makes data invisible. The existence of the secret message is hidden, so nobody suspects there's anything to decode.
✨ Why Use Steganography?
- Avoiding censorship and surveillance
- Covert communication in hostile environments
- Digital watermarking for copyright protection
- Adding metadata without affecting appearance
- Educational purposes and puzzle solving
📝 Text Steganography Techniques
Various methods for hiding messages within text documents
First Letter Method
Hide the secret message in the first letters of each word or sentence. Requires careful crafting of cover text.
Example:
"Happy Everyone Loves Pizza" → "HELP"
Every Nth Character
Extract every nth character from the text to reveal the hidden message. The interval can be fixed or variable.
Example:
Every 3rd letter: "Helloworld" → "ell ol"
Whitespace Encoding
Use invisible characters like spaces, tabs, and zero-width characters to encode binary data.
Method:
Single space = 0, Double space = 1
Format-Based Hiding
Use text formatting like bold, italic, or font changes to encode information invisibly.
Example:
Bold = 1, Normal = 0
Word Length Encoding
Encode messages based on the length of words in sentences. Each word length represents a letter or number.
Example:
3-letter word = A, 4-letter = B, etc.
Semantic Steganography
Hide information by carefully choosing words with specific meanings or properties while maintaining natural text flow.
Method:
Synonym selection based on hidden data
🎯 Best Practices
Tips for effective and secure steganographic communication
✅ Do's
- • Make cover text appear completely natural and innocent
- • Use multiple steganographic methods for better security
- • Keep hidden messages short to avoid detection
- • Test your steganographic text with others first
- • Combine with cryptography for double protection
- • Use contextually appropriate cover text
❌ Don'ts
- • Don't make cover text obviously artificial or forced
- • Don't use the same method repeatedly
- • Don't hide large amounts of data in small cover texts
- • Don't ignore grammar and spelling in cover text
- • Don't rely solely on steganography for sensitive data
- • Don't use obvious patterns that can be easily detected
🔍 Detection and Analysis
How to detect and analyze potential steganographic content
🚨 Signs of Steganography
- • Unusual formatting or spacing patterns
- • Slightly awkward or forced language
- • Inconsistent writing style
- • Unusual punctuation or capitalization
- • Text that seems longer than necessary
- • Repeated patterns in word length or structure
🔬 Analysis Techniques
- • Statistical analysis of letter frequencies
- • Pattern recognition in spacing and formatting
- • Automated steganalysis tools
- • Manual examination for linguistic anomalies
- • Frequency analysis of word lengths
- • Looking for non-printable characters
🚀 Ready to Try Steganography?
Start experimenting with steganographic techniques using our interactive tool. Hide your first secret message and discover the fascinating world of covert communication!