crypto.py 文件源码

def load_certificate(cert_file=None, cert_bytes=None):
    if cert_file:
        with open(cert_file, 'rb') as f:
            data = f.read()
    else:
        data = cert_bytes

    if '-----BEGIN'.encode() in data:
        cert = x509.load_pem_x509_certificate(
            data=data,
            backend=default_backend()
        )
    else:
        cert = x509.load_der_x509_certificate(
            data=data,
            backend=default_backend()
        )

    return cert