Earlier this year Facebook launched photo-matching technology to help stop revenge porn, but hashing takes its efforts to another level. "My concern has to do with where those images would then be stored after they've been provided to Facebook", he added.
Facebook is asking its Australian users to send their nude pics in order to avoid revenge porn on social media.
In the United Kingdom revenge porn is punishable by up to two years in prison.
"They're not storing the image".More news: There's no "i" in iPhone text messaging; here's what you can do
It will store a "fingerprint" of images to prevent any copies of them being shared by disgruntled ex-lovers.
"The safety and well-being of the Facebook community is our top priority", Davis said. We look forward to getting feedback and learning.
From there - and once the user has completed an online form through the website of Australia's eSafety Commissioner - a member of Facebook's Community Operations team reviews the image and then "hashes" it, or creates a numerical representation of the image that Facebook says can not be read by humans.More news: Carolina Panthers trade top receiver Kelvin Benjamin to Buffalo Bills
Some critics, however, suggest a better method would be one that doesn't require uploading the image in the first place. So Facebook is saying there shouldn't be easy workarounds like changing some basic aspect of the photo file to bypass the company's detection system.
The scheme is aimed at people who are anxious partners or ex-partners may share the images without their consent - and is being trialled in Australia, the US, Canada and the UK. At that point, Facebook will delete the image from its servers.
The company are encouraging users to upload their nude images to Messenger.
Once Facebook receive this notification, its community operations team will use image matching technology to prevent any instances of the image being uploaded or shared online.More news: Whole Foods to hire 6000 workers nationwide