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encls2 spec update

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zzz
2019-05-25 14:33:14 +00:00
parent 9e5b6bb0d4
commit d232577ef3
1 changed files with 5 additions and 1 deletions
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i2p2www/spec/encryptedleaseset.rst
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@@ -4,7 +4,7 @@ Encrypted LeaseSet Specification
.. meta:: .. meta::
:category: Protocols :category: Protocols
:lastupdated: May 2019 :lastupdated: May 2019
:accuratefor: 0.9.40 :accuratefor: 0.9.41
.. contents:: .. contents::
@@ -675,6 +675,7 @@ authCookie = DECRYPT(clientKey_i, clientIV_i, clientCookie_i)
Pre-shared key client authorization Pre-shared key client authorization
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Each client generates a secret 32-byte key ``psk_i``, and sends it to the server. Each client generates a secret 32-byte key ``psk_i``, and sends it to the server.
Alternatively, the server can generate the secret key, and send it to one or more clients.
Server processing Server processing
^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^
@@ -753,10 +754,13 @@ Downsides of DH client authorization
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- Requires N + 1 DH operations on the server side for N clients. - Requires N + 1 DH operations on the server side for N clients.
- Requires one DH operation on the client side. - Requires one DH operation on the client side.
- Requires the client to generate the secret key.
Advantages of PSK client authorization Advantages of PSK client authorization
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- Requires no DH operations. - Requires no DH operations.
- Allows the server to generate the secret key.
- Allows the server to share the same key with multiple clients, if desired.
Downsides of PSK client authorization Downsides of PSK client authorization
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^