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prop 144 patch from chisana

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zzz
2019-06-18 12:12:53 +00:00
parent 7c06c11a4c
commit 3bd5bd5c15
1 changed files with 5 additions and 5 deletions
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10
i2p2www/spec/proposals/144-ecies-x25519-aead-ratchet.rst
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@@ -5,7 +5,7 @@ ECIES-X25519-AEAD-Ratchet
:author: zzz, chisana :author: zzz, chisana
:created: 2018-11-22 :created: 2018-11-22
:thread: http://zzz.i2p/topics/2639 :thread: http://zzz.i2p/topics/2639
:lastupdated: 2019-06-16 :lastupdated: 2019-06-18
:status: Open :status: Open
.. contents:: .. contents::
@@ -934,7 +934,7 @@ Only present if indicated in Ephemeral Key Section flags.
chainKey = keydata[0:31] chainKey = keydata[0:31]
k = keydata[32:64] k = keydata[32:64]
n = 0 n = 0
ad = TBD ad = SHA-256(apk)
{% endhighlight %} {% endhighlight %}
@@ -953,11 +953,11 @@ KDF for Payload Section Encrypted Contents
// Alice's X25519 static keys (if Static Key Section present) // Alice's X25519 static keys (if Static Key Section present)
// or X25519 ephemeral keys (if Static Key Section not present) // or X25519 ephemeral keys (if Static Key Section not present)
// TBD for one-time format in 1d) // or decoded one-time keys (if no Static Key Section, and ephemeral key unset in Ephemeral Key Section)
ask = GENERATE_PRIVATE() ask = GENERATE_PRIVATE()
// apk was decrypted in Static Key Section (if present) // apk was decrypted in Static Key Section (if present)
// or Ephemeral Key Section (if Static Key Section not present) // or Ephemeral Key Section (if Static Key Section not present)
// TBD for one-time format in 1d) // or decoded one-time public key (if no Static Key Section, and ephemeral key unset in Ephemeral Key Section)
apk = DERIVE_PUBLIC(ask) apk = DERIVE_PUBLIC(ask)
sharedSecret = DH(ask, bpk) = DH(bsk, apk) sharedSecret = DH(ask, bpk) = DH(bsk, apk)
@@ -969,7 +969,7 @@ KDF for Payload Section Encrypted Contents
chainKey = keydata[0:31] chainKey = keydata[0:31]
k = keydata[32:64] k = keydata[32:64]
n = message number from Ephemeral Key Section n = message number from Ephemeral Key Section
ad = TBD ad = SHA-256(apk) // see above for which public key is used
{% endhighlight %} {% endhighlight %}