Tima

Asked:2020-06-04 00:22:30 +0000 UTC2020-06-04 00:22:30 +0000 UTC 2020-06-04 00:22:30 +0000 UTC

X509Certificate2 中的 .pem

772

再会

我有一个包含多个证书的 pem 文件：

-----BEGIN CERTIFICATE-----
MIIE/zCCBGgCAg4CMA0GCSqGSIb3DQEBBQUAMIGbMQswCQYDVQQGEwJKUDEOMAwG
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-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
MIIG9DCCBpwCAQAwSjELMAkGA1UEBhMCSlAxDjAMBgNVBAgMBVRva3lvMREwDwYD
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bktiLOD6KaA=
-----END CERTIFICATE-----
-----BEGIN CERTIFICATE-----
MIIC2jCCAkMCAg38MA0GCSqGSIb3DQEBBQUAMIGbMQswCQYDVQQGEwJKUDEOMAwG
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+tZ9KynmrbJpTSi0+BM=
-----END CERTIFICATE-----

像这样↑

据我了解，pem 是一个独立证书的容器。

当我尝试通过以下方式在代码中获取此证书文件的类型时：

X509Certificate2.GetCertContentType(certBytes);

我明白了

X509ContentType.Cert //(A single X.509 certificate)

和

new X509Certificate2(certBytes)

仅检索第一个证书的数据。

是否可以将此文件的字节转换为X509Certificate2[]?

还是您必须自己解析并获取这个base64？此外，该文件可能包含以下数据：

Bag Attributes
    localKeyID: 53 61 6D 70 6C 65 20 54 65 78 74 53 61 6D 70 6C 65 20 54 65
subject=/CN=www.website.info
issuer=/C=US/O=MyCert Inc/OU=www.website.com/
-----BEGIN CERTIFICATE-----
...

1 个回答

Voted

Best Answer

Tima

2020-06-05T16:45:29Z2020-06-05T16:45:29Z

最后，我通过以下方式解决了这个问题：

const string PemCertificateEnd = "-----END CERTIFICATE-----";

var separatedCertificates = Encoding.UTF8.GetString(сontent)
    .Split(new[] { PemCertificateEnd }, StringSplitOptions.None)
    .Select(x => x + PemCertificateEnd)
    .Select(x => Encoding.UTF8.GetBytes(x))
    .ToList();
separatedCertificates.RemoveAt(separatedCertificates.Count - 1);

return separatedCertificates.Select(x => new X509Certificate2(x)).ToArray();

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