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Posts by tag SHA1

Apple

One Year Certs

Starting on September 1st, SSL/TLS certificates cannot be issued for longer than 13 months (397 days). This change was first announced by Apple at the CA/Browser Forum Spring Face-to-Face event in Bratislava back in March.

Looking Back at 2014 End of 1024 Bit Security In 2014, the SSL industry moved to issuing a minimum security of 2048 bit RSA certificates. Keys smaller than 2048 are no longer al…

Looking Back at 2013 Protocol Attacks The year started with a couple of SSL/TLS protocol attacks: [Lucky Thirteen][1] and [RC4 attack][2]. Lucky Thirteen allows the decryption o…

We have previously reviewed [implementation of SHA 2][1], but with [Bruce Schneier stating the need to migrate away from SHA 1][2] and the [SHA 1 deprecation policy from Microso…

Chrome

Public Key Pinning

The current browser certification authority (CA) trust model allows a website owner to obtain its SSL certificate from any one of a number of CAs. That flexibility also means th…