从python中的公钥xml中提取模数和指数

Question

我有一个

形式的公钥xml字符串

<RSAPublicKey> <Modulus>ANG9SxVyOA8IX9mRi5Q6sH/z04fvrsLLrAf3ooAGRiETNB1TZfZ/ZWhpw9RLYPcf3J+kaqQneHEMS9OGuIYxa0rUwVYtKjSjRp8y+XNm3sODNqD4zPjqMh6wThOug5Gg/M1+ZXlkXvszmAwiXlImDqp2nH+ZFVnrREVZ1U7WKUc5</Modulus><Exponent>AQAB</Exponent></RSAPublicKey>.

如何在Python中从此xml字符串中提取模数？例如手术后我应该ANG9SxVyOA8IX9mRi5Q6sH/z04fvrsLLrAf3ooAGRiETNB1TZfZ/ZWhpw9RLYPcf3J+kaqQneHEMS9OGuIYxa0rUwVYtKjSjRp8y+XNm3sODNqD4zPjqMh6wThOug5Gg/M1+ZXlkXvszmAwiXlImDqp2nH+ZFVnrREVZ1U7WKUc5。

提前致谢！

Answer 1

您可以使用元素树。

import xml.etree.ElementTree as ET
root = ET.ElementTree(file="yourxml.xml")
RSAPublicKey = root.findall("./RSAPublicKey") # this search all RSAPublickey
for item in RSAPublicKey :
    Modulus= item .findall("./Modulus") #in rsapublic key modulus
    print Modulus