Update fido2-impl.md

Fixed small apparent typo.
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robbiemacg 2019-01-07 13:47:03 -04:00 committed by GitHub
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@ -21,7 +21,7 @@ When you register a service with a FIDO2 or U2F authenticator, the
authenticator must generate a new keypair unique to that service. This keypair
could be stored on the authenticator to be used in subsequent authentications,
but now a certain amount of memory needs to be allocated for this. On embedded
devices, there isn't much memory to spare and users will allows frustratingly
devices, there isn't much memory to spare and users will always frustratingly
hit the limit of this memory.
The answer to this problem is to do key wrapping. The authenticator just