I hereby claim:
- I am mariarigaki on github.
- I am marik0 (https://keybase.io/marik0) on keybase.
- I have a public key ASCAErwL2Qf_wrwIEsng6536j0g-mCRXF31B7PSCYl1XTQo
To claim this, I am signing this object:
# The base code was taken from https://gist.github.com/karpathy/a4166c7fe253700972fcbc77e4ea32c5 | |
import numpy as np | |
import gym | |
from keras import models | |
from keras.models import Sequential | |
from keras.layers import Dense | |
from keras.optimizers import RMSprop | |
# hyperparameters |
# A solution to the CUCTF 2017 Future task using Z3Py | |
# inspired by Hackeriet's solution in https://blog.hackeriet.no/solution-to-tuctf-2017-future/ | |
from z3 import * | |
# This is the flag format | |
# flag = "TUCTF{..................}" | |
auth = [0x8b, 0xce, 0xb0, 0x89, 0x7b, 0xb0, 0xb0, 0xee, 0xbf, 0x92, 0x65, 0x9d, 0x9a, 0x99, 0x99, 0x94, 0xad, 0xe4, 0x00] | |
# Declare the variables for Z3 |
# Solution for the following problem: | |
# 3 friends (A, B and C) play ping-pong all day. | |
# The winner always keeps playing. A plays 10 games, B 15, C 17. Who lost the 2nd game? | |
# Problem by @eldracote https://twitter.com/eldracote/status/939614390571200514 | |
from z3 import * | |
# Keep track of the players results (2 means win, 1 means loss, 0 is DNP) | |
A = IntVector('a', 21) | |
B = IntVector('b', 21) |
import png | |
rdr = png.Reader('E3EA158BA24F4D9573C04A0687F47F3BA3DB096ADA14729ECF7574678733E8AF.png') | |
w, h, pixels, meta = rdr.read() | |
# read returns width, height, pixels as Map and metadata | |
# (600, | |
# 790, | |
# <map at 0x7ff98c07e908>, | |
# {'alpha': False, |
# The message I got from the previous step was the following: | |
# The last step: 4e 3f 4a 5f 3g 5f 3d 3b 4c 5f 2c 46 1e 43 2f 4h 34 1e 2c 6c 32 5b 32 57 31 30 32 2h | |
# From that and the hint that "16 is not enough" we had to figure out that it was base18 encoded | |
# Decoder function from https://github.com/gg/integer_encoding | |
def decoder(alphabet): | |
""" | |
Returns a decoder that decodes a base-`len(alphabet)` encoded sequence of | |
alphabet elements into a positive integer. |
I hereby claim:
To claim this, I am signing this object:
Cryptopals is a set of cryptographic challenges, originally published here: https://cryptopals.com
Set 8 of the challenges was never published publicly, until late March 2018. However the cryptopals website was not updated to include the challenges. This gist compiles the 8th set of the Cryptopals challenges.
title | link |
---|---|
57. Diffie-Hellman Revisited: Small Subgroup Confinement | https://toadstyle.org/cryptopals/513b590b41d19eff3a0aa028023349fd.txt |
58. Pollard's Method for Catching Kangaroos | https://toadstyle.org/cryptopals/3e17c7b35fcf491d08c989081ed18c9a.txt |
59. Elliptic Curve Diffie-Hellman and Invalid-Curve Attacks | https://toadstyle.org/cryptopals/a0833e607878a80fdc0808f889c721b1.txt |
import ctypes | |
import numpy as np | |
from picosdk.ps2000 import ps2000 as ps | |
import matplotlib.pyplot as plt | |
from picosdk.functions import adc2mV, assert_pico2000_ok | |
import serial | |
import time | |
ser = serial.Serial('/dev/ttyACM0') | |
ser.baudrate = 9600 |