Icon of program: OTP-Steg

OTP-Steg for Windows

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Editors’ Review

Download.com staff
OTP-Steg embeds messages into PNG files using one-time pad encryption. It employs least significant bit steganography to securely hide data within the image, making it mathematically unbreakable when used correctly.

  • Pros

    • Uses one-time pad encryption for message security
    • Embeds data using least significant bit encoding
    • Includes a dedicated one-time pad key generation utility
    • Supports embedding full Unicode character messages
    • The software is provided free of charge

  • Cons

    • Only supports the PNG image file format
    • Functionality is split across three separate programs
    • Requires manual management of image and key files
    • Lacks support for other encryption algorithms
    • Lacks support for other steganography methods
Icon of program: OTP-Steg

OTP-Steg for Windows

Download now

Used OTP-Steg for Windows?

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Full Specifications

GENERAL
Release
Latest update
Version
1.0
OPERATING SYSTEMS
Platform
Windows
Operating System
  • Windows 10
  • Windows Server
  • Windows ME
  • Windows 7
  • Windows 2000
  • Windows XP
  • Windows 2003
  • Windows NT
  • Windows Vista
  • Windows 98
  • Windows 8
Additional Requirements
None
POPULARITY
Total Downloads
128
Downloads Last Week
1
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Program available in other languages

Last Updated

Developer’s Description

By MSESC
Embed a message into a PNG image file.
OTP-Steg is free software that allows you to embed a message into a PNG image file. OTP-Steg uses one-time pad (OTP) encryption in conjunction with least significant bit (LSB) image encoding.

There are three programs included:

1. Encrypt -- Allows you to encrypt/embed a Unicode message (any language alphabet or characters are acceptable).

2. Decrypt -- Decrypt the message using the selected image and key files.

3. Generate Keys -- Allows you to generate extremely secure (mathematically unbreakable) one-time pad image keys for use with encryption and decryption.

The "One-Time-Pad" encryption methodology is regarded historically and currently as the most secure of all forms of encryption. When used properly, it has never been broken.

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