?? chall.htm
字號:
No crypto program is complete without a challenge, so here is mine :-)
I'm afraid there is no prize - you will have to be content with fame.
To be a little different, the challenge is to forge a signature for
<p> pegwit v8 public key =e935da16bf6950694fde2ada8a0b8641960f68b15fdccbe947ee2415eed34f20
<p> In other words, you have to produce a file and a signature
which verifies ( test.txt and files starting with 'pegwit
is wonderful' do not count )
<p> To make it easier, I have used only a 6 character password
plus a terminating newline. Moreover the password consists of lower
case letters (apart from the newline) and is quite easy for me to
remember (hopefully!).
<p> If no solution has been found before June 5th 1998,
I will reveal the password used, and issue a new challenge.
<p> The password for the old challenge which expired June 5th 1997
was "2+2=10" plus a terminating newline. There were no correct solutions!
<p> In case anyone wishes to attack double-barreled SHA1 rather
than going for the private key, here is the signature
for <a href="test.txt"> test.txt </a> (using the challenge public key).
85886236645e64b60a181d6718385dad0326503dea10fc8c817e041c6559:
0ec24079ba9bd8a3331e4960e457719aa5311d96377050a0f6bfc9dfad2d
<p> You should be able to verify this with pegwit -v
<p> I will also, on request, sign any file beginning with
'pegwit is wonderful'
<p> George Barwood
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