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The post How to Solve Math Problems by Taking a Photo [ +12 Solver Apps] app…
More than 200 rallies are expected in France against plans to raise the retirement age from 62 to 64.
A group of Swiss researchers have published an impressive security analysis of Threema.
We provide an extensive cryptographic analysis of Threema, a Swiss-based encrypted messaging application with more than 10 million users and 7000 corporate customers. We present seven different attacks against the protocol in three different threat models. As one example, we present a cross-protocol attack which breaks authentication in Threema and which exploits the lack of proper key separation between different sub-protocols. As another, we demonstrate a compression-based side-channel attack that recovers users’ long-term private keys through observation of the size of Threema encrypted back-ups. We discuss remediations for our attacks and draw three wider lessons for developers of secure protocols…
Ukraine must liberate Crimea from Russian occupation. History and justice is on its side, writes Tamila Tasheva
The liberation of women in Afghanistan is a human rights imperative, write Homeira Qaderi and Zaman Staniza.
Ukrainian President Volodymyr Zelensky welcomed Britain’s shipment of tanks. But Ukraine needs more from Western allies.
The helicopter was a French-manufactured Super Puma, according to a spokesperson for Ukraine’s air force.
The New Zealand Prime Minister says she will step down before February 7 and will not seek re-election later this year.
On Day 2 in Davos, the Russian invasion of Ukraine was top of the agenda. But many also discussed “Ukraine fatigue” in the private sector.
TIME reports from the disputed region as ethnic Armenians fear they face an existential threat from Azerbaijan alone.