Changes To Experiment: Chainsignature
Not logged in

Changes to "Experiment: Chainsignature" between 2017-08-02 11:14:14 and 2017-08-02 11:15:44

    23     23   <pre>    ...</pre>
    24     24   <pre><font color="#ff0000">    cp ./x.blob ./x_hijacker.blob</font></pre>
    25     25   <pre>    cat ./M_n.blob &gt;&gt; ./x.blob</pre>
    26     26   <pre>    sha256sum ./x.blob &gt; ./the_signature.txt</pre>
    27     27   <pre><font color="#ff0000">    cat ./M_n_hijacker &gt;&gt; ./x_hijacker.blob</font></pre>
    28     28   <pre><font color="#ff0000">    sha256sum ./x_hijacker.blob &gt; ./hijacked_branch_message_signature.txt</font></pre>
    29     29   <pre><br>
           30  +
           31  +
    30     32   </pre>
    31     33   
    32     34   <p>The M_n must be included to the signature calculation x.blob to make sure
    33     35   that an eavesdropper can not reuse the signature for signing its own message.
    34         -To make eavesdropping more difficult, different messages might be sent through
    35         -different channels.&nbsp;</p>
           36  +To make eavesdropping and hijacking more difficult, different messages might be
           37  +sent through different channels.&nbsp;</p>
    36     38   
    37     39   <p><br>
    38     40   </p>
    39     41   
    40     42   <h1>Optional Bootstrapping</h1>
    41     43   
    42     44   <p>The message M_1 might be accompanied by M_0, which might be some bitstream