代码语言：javascript复制
import hashlib
def _verfy_ac(private_key, params):
items = sorted(params.items(), key=lambda x: x[0])
params_data = ""
for i in items:
params_data = params_data i[0] i[1]
params_data = params_data private_key
sign = hashlib.sha1()
sign.update(params_data.encode("utf8"))
signature = sign.hexdigest()
return signature
s = _verfy_ac("私钥", {
"Action": "DescribeImage",
"PublicKey": "公钥",
"OsType": "Linux",
"Region": "cn-bj2"
})
print(s)
