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WRONG_keystrength_vs_keysize.py
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WRONG_keystrength_vs_keysize.py
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from random import randint
import matplotlib.pyplot as plt
import numpy as np
from cryptography.hazmat.primitives.asymmetric import rsa
# Lists to store computed values for analysis and plotting
key_sizes = [768, 1280, 1792, 2304, 2816, 3328, 3840,
4352, 4864, 5376, 5888, 6400, 6912, 7424, 7936,
8448, 8960, 9472, 9984, 10496]
key_strengths = []
def calculate_key_strength(public_key):
return public_key.key_size * 2
def generate_key_pair(key_size):
private_key = rsa.generate_private_key(
public_exponent=65537,
key_size=key_size
)
public_key = private_key.public_key()
return public_key
def analyze_key_strengths(key_sizes):
for key_size in key_sizes:
print(key_size)
public_key = generate_key_pair(key_size)
strength = calculate_key_strength(public_key)
key_strengths.append(strength)
def plot_key_strengths(key_sizes, key_strengths):
plt.scatter(key_sizes, key_strengths, c='blue', marker='o')
plt.xlabel('Key Size (bits)')
plt.ylabel('Key Strength (bits)')
plt.title('RSA Key Strength vs Key Size')
plt.ylim(0, max(key_strengths) + 1000)
plt.xlim(0, max(key_sizes) + 1000)
plt.grid(True)
# Calculate the line of best fit
fit = np.polyfit(key_sizes, key_strengths, 1)
fit_fn = np.poly1d(fit)
# Generate x values for the line of best fit
x_values = np.linspace(min(key_sizes), max(key_sizes), 100)
# Plot the line of best fit
plt.plot(x_values, fit_fn(x_values), 'r--', label='Line of Best Fit')
plt.legend(loc='upper left')
plt.show()
if __name__ == '__main__':
analyze_key_strengths(key_sizes)
plot_key_strengths(key_sizes, key_strengths)