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PING google.com (172.217.164.100): 56 data bytes 64 bytes from 172.217.164.100: icmp_seq=0 ttl=54 time=6.513 ms 64 bytes from 172.217.164.100: icmp_seq=1 ttl=54 time=6.625 ms 64 bytes from 172.217.164.100: icmp_seq=2 ttl=54 time=6.579 ms --- google.com ping statistics --- 3 packets transmitted, 3 packets received, 0.0% packet loss round-trip min/avg/max/stddev = 6.513/6.587/6.625/0.045 ms
PING google.com(172.217.164.100):56 个数据字节
从 172.217.164.100 获得 64 字节的回复:icmp_seq=0 ttl=54 time=6.513 ms
从 172.217.164.100 获得 64 字节的回复:icmp_seq=1 ttl=54 time=6.625 ms
从 172.217.164.100 获得 64 字节的回复:icmp_seq=2 ttl=54 time=6.579 ms--- google.com 的 ping 统计数据 ---
已传送 3 个分组,已接收 3 个分组,丢失率为 0.0%
往返行程的最短/平均/最长/标准差时间为 6.513/6.587/6.625/0.045 ms -
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# 导入OCSP模块 import PyOCSP # 创建OCSP实例 ocsp = PyOCSP.OCSP() # 设置OCSP的响应者的地址 ocsp.set_responder_url('http://ocsp.example.org') # 向OCSP请求证书状态 status = ocsp.request_certificate_status('123456', 'ABCDEFGH') # 根据响应状态进行处理 if status == PyOCSP.OCSP_GOOD: print('Certificate is valid') elif status == PyOCSP.OCSP_REVOKED: print('Certificate is revoked') else: print('Certificate status is unknown')
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使用PyOCSP响应一个OCSP请求非常简单,可以使用以下步骤:
- 首先,安装PyOCSP包:
pip install pyocsp
- 然后,创建一个OCSPResponder实例,并将其配置为使用您的CA证书和密钥:
from pyocsp.responder import OCSPResponder responder = OCSPResponder( ca_cert=open('ca.crt').read(), ca_key=open('ca.key').read(), )
- 接下来,编写处理OCSP请求的函数:
def handle_request(request): # 对请求进行处理,返回PyOCSP响应 response = responder.handle_request(request) return response
- 最后,使用该函数处理来自客户端的OCSP请求:
request = ... # 从客户端接收OCSP请求 response = handle_request(request) # 将响应发送给客户端