Hidden.Irish guides
Practical guides to hidden messages in images and text, social sharing tests, and security limits.
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- How to hide a message in an image — and test the shared copy
Hide an encrypted message in a picture with Hidden.Irish, share the key separately, and check whether a Facebook copy still decodes.
- Text steganography: why copying a hidden message can break it
Understand invisible-character text masking, complete-text copying, portable encrypted tokens and the text-image alternative in Hidden.Irish.
- Hidden.Irish security: encryption, decoding keys and limits
What AES-256-GCM protects, why a random decoding key matters, which data reaches the server, and what experimental steganography cannot promise.