Prop. 159 more header key 2 fixes

i2p2www/spec/proposals/159-ssu2.rst

@@ -3254,7 +3254,7 @@ KDF for Session Request
   // Header encryption keys for this message
   // bik = Bob's intro key
   k_header_1 = bik
-  k_header_2 = HKDF(bik, ZEROLEN, "SessionReqHeader", 32)
+  k_header_2 = bik
 
   // Header encryption keys for next message (Session Created)
   k_header_1 = bik
@@ -3262,7 +3262,7 @@ KDF for Session Request
 
   // Header encryption keys for next message (Retry)
   k_header_1 = bik
-  k_header_2: See Retry message KDF below
+  k_header_2 = bik
 
 
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