RSA-Assignment/Mapping.py at main · MohamedKamalOthman/RSA-Assignment · GitHub

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# creating lookup table
# 0-9 should return their value 0→0, 5→5, 9→9
# a should map to 10, b to 11, c to 12 etc. up to z→35
# Space should map to 36
MAPPING = {
    "0": 0,
    "1": 1,
    "2": 2,
    "3": 3,
    "4": 4,
    "5": 5,
    "6": 6,
    "7": 7,
    "8": 8,
    "9": 9,
    "a": 10,
    "b": 11,
    "c": 12,
    "d": 13,
    "e": 14,
    "f": 15,
    "g": 16,
    "h": 17,
    "i": 18,
    "j": 19,
    "k": 20,
    "l": 21,
    "m": 22,
    "n": 23,
    "o": 24,
    "p": 25,
    "q": 26,
    "r": 27,
    "s": 28,
    "t": 29,
    "u": 30,
    "v": 31,
    "w": 32,
    "x": 33,
    "y": 34,
    "z": 35,
    " ": 36,
}

# creating inverse lookup table
# 0→0, 5→5, 9→9, 10→a, 11→b, 12→c etc. up to 35→z
# 36 should map to Space
INVERSE_MAPPING = {
    0: "0",
    1: "1",
    2: "2",
    3: "3",
    4: "4",
    5: "5",
    6: "6",
    7: "7",
    8: "8",
    9: "9",
    10: "a",
    11: "b",
    12: "c",
    13: "d",
    14: "e",
    15: "f",
    16: "g",
    17: "h",
    18: "i",
    19: "j",
    20: "k",
    21: "l",
    22: "m",
    23: "n",
    24: "o",
    25: "p",
    26: "q",
    27: "r",
    28: "s",
    29: "t",
    30: "u",
    31: "v",
    32: "w",
    33: "x",
    34: "y",
    35: "z",
    36: " ",
}