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BOLT 8: clarify the hkdf args. (#57)

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They're salt and ikm respectively (using language from RFC5869).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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Rusty Russell 2016-12-14 05:16:54 +10:30 committed by Olaoluwa Osuntokun
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08-transport.md
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@ -130,7 +130,7 @@ The following functions will also be referenced:
* The returned value is the SHA256 of the DER compressed format of the
generated point.
* `HKDF`: a function is defined in [5](#reference-5), evaluated with a
* `HKDF(salt,ikm)`: a function is defined in [5](#reference-5), evaluated with a
zero-length `info` field.
* All invocations of the `HKDF` implicitly return `64-bytes` of
cryptographic randomness using the extract-and-expand component of the