Udfordringer

Her vil der blive lagt ekstra udfordringer, som holdene kan vælge at løse.

Besvarelser sendes til robert@the-playground.dk (medmindre andet er angivet) med navnet på udfordringen som titel og navnet på holdet. Evt. vedhæftede programmer bedes sendt krypteret af hensyn til antivirus programmer og source kode skal vedhæftes. Brug følgende public key:

-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: GnuPG v1.4.14 (GNU/Linux)
mQGiBEV2mFYRBADbYRlrCxs+v7E9eU/kqw7QDCwWWUfev0gJpvU1KuBYEmDY6sg8
nV7yiDc2gohROIsELhRf0CWThpE6FQAKhYA3R1izaJ+k9NK/PFq4K3TpJ5K/iiai
z7nDsmT/vOOzvKAGVk1I9uXIE8tvB0SVy6jlNbqHxHKHryLDg9CtpKWwIwCg+F7/
G6tyYg6HrL+R18+4WTZLA1ED/RoGCIXXc83fbwAY6XuO+R+aHjXnK9GDb7YBavZ2
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jP81A/0WqUiUm+VHNxwbEHAsfg7/NSA0WcT6YeE+f2nFbQs48yCbpDsZbRLr34mp
pCGqnlRMROv+G3STr0K01TGXiCH5rwoIIKFW0AEDAmcqdgGgEcOWt9PtwP8KcBnL
qCiQctWNRBMqex6BOAJ4L4Uu0aOD4vvqCKfHtyuzldy4MReUnrQjUm9iZXJ0IExh
cnNlbiA8cm9iZXJ0QGtvbW9ndmluZC5kaz6IZAQTEQIAJAYLCQgHAwIDFQIDAxYC
AQIeAQIXgAIZAQUCTtzPlgUJEsw4tAAKCRDMMx6KwWoZll+zAJ41LbvdR5l6xzRy
O4sgg2OJh+AN0QCg3bIcVb2hH/+FPvmtrGMZ79BPnQqIYQQTEQIAIQUCRXaYVgUJ
CWYBgAYLCQgHAwIDFQIDAxYCAQIeAQIXgAAKCRDMMx6KwWoZliYxAKC2n1YVLrwe
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FQIIAwQWAgMBAh4BAheABQJO3M+aBQkSzDi0AAoJEMwzHorBahmW49AAn1A3Rn2M
N1SbzKuafepmwVT8xvR4AJ912KaaCr9NT76x/gYdtlKKccFKg7kCDQRFdphnEAgA
+zrhNRWNk8qrk+ENVT2Wnpx046hSBk6CME7ROfx6+mTVvOPd5OUvT4DpXcexxPq4
SOtvzl7bSdRC5cy+3ayBZXQzoE7vZjHirgkVzcI9ild3ZOGta4dVMQ5jn5xW6YbZ
hg62uTiY5Z0bGoW6CN4x4U5hy2cbdNbJk9PX+HvDTJwIZOu++DG2pWp2aQSwAjIs
bgyMBiAuIgwrEBAaVfWZfeKdZr+R4xRuu8widyzUJAauxgFrmmORTrA0+6/eH72E
g9t+gmpjTRZzlsV1IfDzoldk+GwBiRPzS0IKcI7cTn12UsNbMFNYoCSZVtZGwnZw
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NFn6LzHAa/rOeFf+vZVXoajlqZpxMaw5L0OlBPfNUpMU0qUO3lSWP94BO2atdZVQ
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dphnBQkJZgGAAAoJEMwzHorBahmWGIUAn1mJ2v8iGJtPgacjQwelAP57NbiRAJ9E
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6ZA2hGTdio05i1tLsyc/9dlg8nd3tOYYRLt/bh6cr9KnID3XlEydtw/jqopA35yO
lDEfG0j4hIgXS5hq3/aMrXSH/gOqqNBhNzqDawBZXwHyQ6zlZvw+K3aQiiHVtQAR
AQABtAZSb2JlcnSJATgEEwECACIFAlKY4twCGwMGCwkIBwMCBhUIAgkKCwQWAgMB
Ah4BAheAAAoJEB+wYAPaFJc7fEIIAMKd+HeurvRaW5+bDPMscEWlpNxpLlm/WYp/
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Rd+7Pjw+ZIFqmmM5M6TO/es0Fu0LUEA1eN7rE5RlgRlZMiz1figpIZqi8nXw4rhv
yPQinP+EavWP+Q2Evzu8EUxWYVAkDwEMf5u1yN3G3qWfDzSHSVSC+1pXoPDU4s7k
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LoFSrnpHrDnHbLDGfmmyAoRfwgsw5EaKnejsuFhOZt1F8KB7bUY+iiIgi+P9raSx
9q3kuTWIXo/N9KHUCu8ttcPvC4Z2XbxCzg129WqILOZDZZoxNH3MRXcsAoah75nS
XcB/X3Vjw0pIOpNAxGVZ+nkAEQEAAYkBHwQYAQIACQUCUpji3AIbDAAKCRAfsGAD
2hSXO+F1CAC+UWtgVeU/ae8rwY/rvbIM16rnFN18w1h48ZcE1gHOQlnw8647Sm21
dJ+v4nIQEuBGHx/MiiJKFFNldeH+yi8eCX/UVJgfkroqRsrr5v91adRm26kYNojx
jIqDOT0khtUh5IwRKxGxsBAhusoGIsWGNW80eTiiEX/4+BmuuyrWpmqOSJ3vPsdS
dP1Nhua987A/eOHXhkVbeg7aCfL3WT+xJRPcjcI1w0PjnbvIF+KNTWfDc8oSLOjD
dEE0LOXls5KRoyoBbukFVdVkzW8Yd/UZWVlAfqkrqw8JGXjMrHwDWEvQC0vQ9cXj
skrofoynrKol3mYh08FN33aS/kWnvVR0
=0Dsi
-----END PGP PUBLIC KEY BLOCK-----

 

I kan kryptere ved hjælp af Gnu Privacy Guard.

Smid ovenstående nøgle i en fil og importer den med:

gpg --import keyfile.txt

 

Krypter derefter din eksekverbare fil med:

gpg --encrypt -a -r "Robert" < myprogram.exe > encrypted.txt

 

Alle nye udfordringer vil blive annonceret via IRC.