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A comment on How the Textsecure Protocol Works.

Re:How the Textsecure Protocol Works by Arathorn on Saturday October 15, 2016 @05:20PM (#12715692)
isn't the "double ratchet" describing the presence of both a DH ratchet as well as a hash ratchet, rather than "send" and "receive"?
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Re:How the Textsecure Protocol Works by Natanael_L on Sunday October 16, 2016 @05:55AM (#12717839)
Triple DH + the double hash ratchet makes up two of the big (separate) parts of the crypto in the protocol. One does key exchange, the other does per-message PFS.
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