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PicStealth
Steganography for Windows Runtime apps!
PicStealth will help you to hide text in pictures - just like James Bond ;)

How-To hide a text in an image:
1) Open a picture (or just use the default image)
2) Enter your text
3) Click/Tap on "hide/embed"
Your text will be hidden in the picture. This can take some time.
4) Save the picture that contains your hidden text for future work.

How-To restore your hidden text:
1) Open the picture that contains your hidden text
2) Click/Tap the "extract" button
The text will be extracted. This can take some time.

Option: Encrypt your Text with AES 256bit

Everyone that has access to your pictures that contain hidden text will be able to use this or a simmular software in order to extract your text. You can overcome this by using AES encryption!

Make shure that you've checked the "encryption" checkbox and enter a password (at least 5 digits). Don't forget your password, otherwise you will not get your text back!

Real Steganography:

Steganography is the art and science of hiding information by embedding messages within others. Steganography works by replacing bits of useless or unused data in a picture with bits of different, invisible information.

This “unused data” are the least significant bits (LSBs) in the image pixels. The LSB is the bit that when flipped from 0 to 1 or from 1 to 0, then no significant change will occur on the total value; meaning no (optical) significant change will occur to the picture.

Fake Steganography

There are other apps that claim to provide Steganography while in fact they don’t! Those apps simply create a large file, containing the picture at position 1 followed by one or more files. Such pseudo-steganography can be easily de-coded. In fact, that’s nothing more than a ZIP file (without compression) :-)

Size of Hidden Text

Assume that the image is 1000 pixels width by 800 pixels height, then we’ll have 1000 x 800 x 3 = 2.400.000 LSBs. The pixels are multiplied by 3 because each pixel has 3 elements (red, green, blue). And as each character of our message to hide can be represented by 8 bits, then that image can hide 2.400.000 / 8 = 300.000 characters!

PNG Output

The picture containing the hidden message will be saved as an PNG image. JPEG is a lossy format. The pixels and the hidden data would be significantly altered when saving as JPEG. This would result in an “disturbed” image.

Keywords:
* cryptography
* hide text in pictures
* steganography
* encryption
* decryption
* AES 256bit
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#1. PicStealth (Windows) Av: wolfSYS
#2. PicStealth (Windows) Av: wolfSYS
#3. PicStealth (Windows) Av: wolfSYS

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«PicStealth». Plattform: Windows. Kategori: Sikkerhet. Utvikler: «wolfSYS». Første utgivelse: . Siste oppdatering: . Gjeldende pris: gratis. Denne tittelen har ennå ikke mottatt vurderinger eller anmeldelser på AppAgg. Butikk: Windows Store. Butikkvurdering: 4.0. Stemmer: 4. Tilgjengelige språk: English. AppAgg sporer prishistorikk, rangeringer og tilbakemeldinger fra brukere for «PicStealth». Følg fremtidige rabatter og oppdateringer via RSS. AppAgg er ikke vert for applikasjoner eller distribuerer programvare. Alle varemerker, logoer og skjermbilder tilhører deres respektive eiere.
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