111 lines
2.9 KiB
Python
111 lines
2.9 KiB
Python
import random
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import sys
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import time
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alphaBase = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz,. !="
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def main():
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### Argument validation ###
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if len(sys.argv) < 7:
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print("Usage: uv run main.py [0-58] [0-58] [0-58] '[message]' 'e|d' [int]")
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sys.exit(1)
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base_max = len(alphaBase)
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if not is_number(sys.argv[1]) or not is_number(sys.argv[2]) or not is_number(sys.argv[3]):
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print("Invalid seed value.")
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sys.exit(1)
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if not is_number(sys.argv[6]):
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print("Invalid iterations value.")
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sys.exit(1)
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if int(sys.argv[1]) == 0 or int(sys.argv[1]) > base_max:
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seed1 = random.randint(1, base_max)
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else:
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seed1 = int(sys.argv[1])
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if int(sys.argv[2]) == 0 or int(sys.argv[2]) > base_max:
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seed2 = random.randint(1, base_max)
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else:
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seed2 = int(sys.argv[2])
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if int(sys.argv[3]) == 0 or int(sys.argv[3]) > base_max:
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seed3 = random.randint(1, base_max)
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else:
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seed3 = int(sys.argv[3])
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if int(sys.argv[6]) < 0:
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iterations = 3
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else:
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iterations = int(sys.argv[6])
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### Processing ###
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seed_values = [seed1, seed2, seed3]
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iteration_result = ""
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current_timestamp = time.time()
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print(current_timestamp)
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if sys.argv[5] == "e":
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for iteration in range(0, iterations):
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iteration_result = encode(seed_values[iteration], sys.argv[4])
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print("Seeds used:", seed1, seed2, seed3)
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print("Result:", iteration_result)
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elif sys.argv[5] == "d":
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for iteration in range(0, iterations):
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iteration_result = decode(seed_values[iteration], sys.argv[4])
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print("Seeds used:", seed1, seed2, seed3)
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print("Result:", iteration_result)
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else:
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print("Invalid option!")
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sys.exit(1)
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def encode(offset, message):
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print("Encoding!")
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resultMessage = ""
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for indexA in range(len(message)):
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for indexB in range(len(alphaBase)):
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if message[indexA] == alphaBase[indexB]:
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location = indexB + offset
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if location > (len(alphaBase) - 1):
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location = location - (len(alphaBase) - 1)
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resultMessage = resultMessage + alphaBase[location]
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break
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return resultMessage
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def decode(offset, message):
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print("Decoding!")
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resultMessage = ""
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for indexA in range(len(message)):
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for indexB in range(len(alphaBase)):
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if message[indexA] == alphaBase[indexB]:
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location = indexB - offset
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if location < 0:
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location = location + (len(alphaBase) - 1)
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resultMessage = resultMessage + alphaBase[location]
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break
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return resultMessage
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def is_number(i):
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try:
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int(i)
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return True
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except ValueError:
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return False
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if __name__ == "__main__":
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main()
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