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24 <item> 24 <item>
25 <title>2019-02: Topics for GSoC 2019</title> 25 <title>2019-02: Topics for GSoC 2019</title>
26 <link>https://gnunet.org/#gsoc2019</link> 26 <link>https://gnunet.org/#gsoc2019</link>
27 <description> 27 <description>See the website for the updated list of GSoC job offerings.</description>
28 &lt;h3&gt;
29 &lt;a NAME=&quot;gsoc2019&quot;&gt;&lt;/a&gt;2019-02: Topics for GSoC 2019
30 &lt;/h3&gt;
31 &lt;h4&gt;Android Port&lt;/h4&gt;
32 &lt;p&gt;
33 It is time for GNUnet to run properly on Android. Note that
34 GNUnet is written in C, and this is not about rewriting
35 GNUnet in Java, but about getting the C code to run on Android.
36 &lt;/p&gt;
37 &lt;p&gt;
38 Mentor: &lt;a href=&quot;https://www.goebel-consult.de/&quot;&gt;Hartmut Goebel&lt;/a&gt;
39 &lt;/p&gt;
40
41 &lt;h4&gt;Help with Continuous Integration setup&lt;/h4&gt;
42 &lt;p&gt;
43 There is a push for migrating our CI to Gitlab. The CI should
44 eventually not just run &quot;make check&quot; on various platforms, but also
45 perform tests with multiple peers running in different VMs with
46 specific network topologies (i.e. NAT) between them being simulated.
47 The CI should also be integrated with Gauger for performance
48 regression analysis. Running jobs only when dependencies have changed
49 and scripting more granular triggers or ideally automatic dependency
50 discovery (as done by the autotools) is also important.
51 &lt;/p&gt;
52 &lt;p&gt;
53 Mentor: TBD
54 &lt;/p&gt;
55
56
57
58 &lt;h4&gt;Migrate gnunet-qr from Python 2.7 to C using libzbar&lt;/h4&gt;
59 &lt;p&gt;
60 Python 2.7 is reaching its end-of-life, and we want to get rid
61 of the dependency on Python. The existing gnunet-qr tool is a
62 rather simple wrapper around python-zbar, which itself wraps
63 libzbar. The goal of this project is to directly use libzbar
64 to scan QR codes for GNUnet / the GNU Name System (see
65 also &lt;a href=&quot;https://bugs.gnunet.org/view.php?id=5562&quot;&gt;#5562&lt;/a&gt;).
66 &lt;/p&gt;
67 &lt;p&gt;
68 Mentor: Christian Grothoff
69 &lt;/p&gt;
70
71 &lt;h4&gt;re:claimID OpenID Connect performance improvements&lt;/h4&gt;
72 &lt;p&gt;
73 reclaimID is a decentralized identity system build on top of the GNU
74 Name System.
75 Upon authorization, the user provides a requesting party (RP) such as a website
76 with an authorization ticket (e.g. piggybacked in an OpenID authorization code).
77 The RP uses information contained in this ticket to
78 &lt;ol&gt;
79 &lt;li&gt; Retrieve the decryption key from GNS&lt;/li&gt;
80 &lt;li&gt; Retrieve the user attributes from GNS&lt;/li&gt;
81 &lt;/ol&gt;
82 The GNS lookups ensure that the RP receives up-to-date attributes and functional
83 decryption keys. However, in particular the RP-specific encryption key
84 resolution can be slow and even fail depending on the network topology.
85 We propose that in an initial exchange, in particular OpenID authorization code
86 flows, we try to incorporate key and maybe even an attribute set in the ticket
87 exchange.
88
89 In order to mitigate this issue, this project is meant to investigate and implement how...
90 &lt;ol&gt;
91 &lt;li&gt; ... decryption keys can be added to an initial exchange in OpenID.&lt;/li&gt;
92 &lt;li&gt; ... initial set(s) of attributes can be piggybacked in OpenID.&lt;/li&gt;
93 &lt;/ol&gt;
94 &lt;br/&gt;
95 Mentor: Martin Schanzenbach
96 &lt;/p&gt;
97
98 &lt;h4&gt;re:claimID alternative GNS-based encryption&lt;/h4&gt;
99 &lt;p&gt;
100 re:claimID is a decentralized identity system build on top of the GNU
101 Name System.
102 The initial design and implementation of re:claimID includes an attribute-based
103 encryption module in order to prevent unauthorized access to attributes in the
104 name system.
105 Our motivation for re:claimID was for it to be name system agnostic, which
106 means the design theoretically also works for other name systems such as
107 namecoin.
108 Other name systems often do not have built-in mechanisms in order to do this.
109 Hence, we implemented an ABE access control layer. Our ABE implementation
110 requires two third party libraries: libpbc and libgabe. While we could merge
111 libgabe into the gnunet service implementation of re:claimID, libpbc is a
112 rather large, third party library which lacks packaging in distributions and
113 for platforms.
114 On the other hand, GNS supports record data encryption using symmetric keys as
115 labels.
116 If we make the access control layer of re:claimID more generic in order to
117 support both ABE and GNS encryption, we could reduce the required depenencies.
118 This would result in gnunet packages to include re:claimID by default.
119
120 In short, the goals are to...
121 &lt;ol&gt;
122 &lt;li&gt; ... improve performance by reducing encryption overhead.&lt;/li&gt;
123 &lt;li&gt; ... reduce dependencies.&lt;/li&gt;
124 &lt;/ol&gt;
125 &lt;br/&gt;
126 Mentor: Martin Schanzenbach
127 &lt;/p&gt;
128 </description>
129 <pubDate>Fri, 01 Feb 2019 00:00:00 UT</pubDate> 28 <pubDate>Fri, 01 Feb 2019 00:00:00 UT</pubDate>
130 </item> 29 </item>
131 <item> 30 <item>