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OpenPuff Steganography and Watermarking, sometimes abbreviated OpenPuff or Puff, is a free steganography tool for Microsoft Windows created by Cosimo Oliboni and still maintained as independent software. The program is notable for being the first steganography tool (version 1.01 released in December 2004) that:
BSAFE: Dell, formerly RSA Security: Java, C, Assembly: No: Proprietary: Crypto-C Micro Edition: 4.1.5 (December 17, 2020; 4 years ago () [7. Micro Edition Suite: 5.0. ...
The sender may be forced to decrypt the data once it is discovered, but deniable encryption can be leveraged to make the decrypted data appear benign. Strong steganography software relies on a multi-layered architecture with a deep, documented obfuscation process. Chi-square image steganalysis
An algorithm estimates the capacity for hidden data without the distortions of the decoy data becoming apparent. OutGuess determines bits in the decoy data that it considers most expendable and then distributes secret bits based on a shared secret in a pseudorandom pattern across these redundant bits, flipping some of them according to the secret data.
The same image viewed by white, blue, green, and red lights reveals different hidden numbers. Steganography (/ ˌ s t ɛ ɡ ə ˈ n ɒ ɡ r ə f i / ⓘ STEG-ə-NOG-rə-fee) is the practice of representing information within another message or physical object, in such a manner that the presence of the concealed information would not be evident to an unsuspecting person's examination.
McAfee Drive Encryption (SafeBoot) McAfee, LLC: 2007 [24] Proprietary: Yes n-Crypt Pro n-Trance Security Ltd 2005 Proprietary: Yes PGPDisk: PGP Corporation (acquired by Symantec in 2010) 1998-09-01 [25] Proprietary: Yes Private Disk: Dekart 1993 [26] Proprietary: Yes ProxyCrypt v77 2013 Open source: Yes R-Crypto R-Tools Technology Inc 2008 ...
The Windows versions of VeraCrypt can create and run a hidden encrypted operating system whose existence may be denied. [48] The VeraCrypt documentation lists ways in which the hidden volume deniability features may be compromised (e.g., by third-party software which may leak information through temporary files or via thumbnails) and possible ...
[14] [17] Offers an extensive range of encryption options, and doesn't need to be installed before use as long as the user has administrator rights. Off-the-Record Messaging, a cryptographic technique providing true deniability for instant messaging. OpenPuff, freeware semi-open-source steganography for MS Windows.