[Ssc-dev] IC release 44 - pixelhashing!

Nathan of Guardian nathan at guardianproject.info
Tue May 20 13:29:30 EDT 2014


I've pushed another build update with a key new feature - pixel hashing
for all!

The concept is that you can now easily see the pixel hash (i.e. the
sha-1 or md5 hash of the photo or video pixels) of any photo or video on
your phone, whether it was taken with InformaCam or not. From any
"Share" menu in any Android app, you can now send photos or videos to
InformCam, and it will calculate the pixel hash for that media file and
display it. You can then choose to share that hash value to any other
app, and check the j3m.info site to see if someone has posted a file
that matches the hash you have:

The image 'IMG_20140520_001754.jpg has a pixelhash(SHA-1) of 1d15b116cdfa0465be2cdcedb756cd742ef56b01
Search for this file on our public notary: https://j3m.info/submissions/?hashes=1d15b116cdfa0465be2cdcedb756cd742ef56b01 #informacam


Try the new build 44 now:
https://rink.hockeyapp.net/apps/dafbc649fcf585d7867866d5375b6495


+n


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