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### Keybase proof | |
I hereby claim: | |
* I am 1project on github. | |
* I am 1project (https://keybase.io/1project) on keybase. | |
* I have a public key whose fingerprint is C364 10AB 32A0 D578 2A3F 609C D3F4 0589 DC33 3195 | |
To claim this, I am signing this object: |
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import angr | |
p = angr.Project('./task_2.elf', auto_load_libs=False) | |
# Create a blank state | |
st = p.factory.blank_state() | |
# Constrain to be non-null and non-newline: | |
for _ in xrange(12): | |
k = st.posix.files[0].read_from(1) |
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import angr | |
p = angr.Project('./task_0.elf', auto_load_libs=False) | |
# Create a blank state | |
st = p.factory.blank_state() | |
# Constrain to be non-null and non-newline: | |
for _ in xrange(12): | |
k = st.posix.files[0].read_from(1) |
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def sbox(binary): | |
# assert len(binary)=8 hz kak | |
i = int(binary[0]+binary[5], 2) # v1 vector | |
j = int(binary[1:5], 2) # v2 vector | |
sbox_table = \ | |
((14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7), | |
(0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8), | |
(4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0), | |
(15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13)) |