Facebook announced that it's going to stop accepting connections that use the SHA-1 hashing function by October 1, 2015. Developers will have to adopt the SHA-2 hashing function by then or their apps will stop connecting to Facebook.
Facebook Tells Developers To Adopt SHA-2 Hash Function By October 1 : Read more
Facebook Tells Developers To Adopt SHA-2 Hash Function By October 1 : Read more
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