code

[Leizhenpeng]

bitcoin_book_2nd/code/ec-math.py

Line 22 in b951481

def random_secret():

def random_secret():
    # convert hex string to integer in Python
    convert_to_int = lambda array: int("".join(array), 16)
    # 从OS的密码学安全的随机数发生器中收集256位随机数据
    byte_array =binascii.hexlify(os.urandom(32)).decode()

    return convert_to_int(byte_array)

would be better