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Commit d2139cf8 authored by Matt Caswell's avatar Matt Caswell
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Update HKDF to support separte Extract and Expand steps



At the moment you can only do an HKDF Extract and Expand in one go. For
TLS1.3 we need to be able to do an Extract first, and the subsequently do
a number of Expand steps on the same PRK.

Reviewed-by: default avatarRich Salz <rsalz@openssl.org>
parent 234b8af4
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