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make server send challenge envelope to client like the latest spec says #2

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david415 opened this issue Mar 13, 2017 · 0 comments
Open

make server send challenge envelope to client like the latest spec says #2

david415 opened this issue Mar 13, 2017 · 0 comments

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@david415
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david415 commented Mar 13, 2017 •
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in the latest version of the spec the sever sends the client a challenge where the hmac is keyed with the application key K concatenated with scalar_mult(a, b) whereas your code only keys the hmac with the applicaton key.

this ticket is related to auditdrivencrypto/secret-handshake#7

(actually it is the hash of this concatenation but i'll open a separate ticket for the spec.)
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