Best practices for cryptography evolve with time and staying secure sometimes requires immediate reaction. The transition to Elliptic Curve Cryptography specified by the US National Security Agency’s 2005 “Suite B” recommendation included a comfortable transition period. However, in August 2015 the NSA unexpectedly publicized a report recommending that any institutions which had still not completed the transition to Suite B schemes should continue using the older schemes and instead prepare for an upcoming transition to quantum-safe cryptography.

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