import random, sys
 
N = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141
 
def gen_priv():
    while True:
        k = random.getrandbits(256)
        if 0 < k < N:
            return k
 
def main():
    n = 1
    if len(sys.argv) > 1:
        try:
            n = max(1, int(sys.argv[1]))
        except:
            n = 1
 
    for i in range(n):
        priv = gen_priv()
        print("=== Key #{} ===".format(i+1))
        print("Hex:", format(priv, '064x'))
        print("Dec:", priv)
        print()
 
if __name__ == "__main__":
    main()
 

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