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more clarifications

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2018-06-20 17:31:11 +00:00
parent 61999117d2
commit 0849003008
1 changed files with 11 additions and 9 deletions
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i2p2www/spec/proposals/111-ntcp-2.rst
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@ -774,7 +774,7 @@ Raw contents:
+ +
| ChaChaPoly frame |
+ (32 bytes) +
| k = KDF from KDF for message 1 |
| k defined in KDF for message 1 |
+ n = 0 +
| see KDF for associated data |
+----+----+----+----+----+----+----+----+
@ -1096,7 +1096,7 @@ Raw contents:
| ChaChaPoly frame |
+ Encrypted and authenticated data +
| 32 bytes |
+ k from KDF for message 2 +
+ k defined in KDF for message 2 +
| n = 0; see KDF for associated data |
+ +
| |
@ -1379,7 +1379,7 @@ Raw contents:
+ Alice static key S +
| (32 bytes) |
+ +
| k from KDF for message 2 |
| k defined in KDF for message 2 |
+ n = 1 +
| see KDF for associated data |
+ +
@ -1399,7 +1399,7 @@ Raw contents:
+ using block format 254 +
| |
+ +
| k from KDF for message 3 part 2 |
| k defined in KDF for message 3 part 2 |
+ n = 0 +
| see KDF for associated data |
~ . . . ~
@ -1696,11 +1696,13 @@ Raw contents
|obf size | |
+----+----+ +
| |
+ ChaChaPoly frame +
+ ChaChaPoly frame +
| Encrypted and authenticated |
+ k = KDF for data phase +
+ key is k_ab for Alice to Bob +
| key is k_ba for Bob to Alice |
+ as defined in KDF for data phase +
| n starts at 0 and increments |
+ for each frame +
+ for each frame in that direction +
| no associated data |
+ 16 bytes minimum +
| |
@ -1711,8 +1713,8 @@ Raw contents
obf size :: 2 bytes length obfuscated with SipHash
when de-obfuscated: 16 - 65535
Minimum size is 18 bytes.
Maximum size is 65537 bytes.
Minimum size including length field is 18 bytes.
Maximum size including length field is 65537 bytes.
Obfuscated length is 2 bytes.
Maximum ChaChaPoly frame is 65535 bytes.