尝试使用Windows API从pfx提取私钥

Question

是否有与以下Microsoft API等效的OpenSSL（从private key文件中提取.pfx并另存为新文件）？

openssl pkcs12 -in mycert.pfx -nocerts -out mycert.key -passin pass:Password -passout pass:Password

Answer 1

尝试一下：

RSACryptoServiceProvider rsa = (RSACryptoServiceProvider)YOUR_CERTIFICATE.PrivateKey;
MemoryStream memoryStream = new MemoryStream();
TextWriter streamWriter = new StreamWriter(memoryStream);

PemWriter pemWriter = new PemWriter(streamWriter);
AsymmetricCipherKeyPair keyPair = DotNetUtilities.GetRsaKeyPair(rsa);
pemWriter.WriteObject(keyPair.Private);
streamWriter.Flush();

string output = Encoding.ASCII.GetString(memoryStream.GetBuffer()).Trim();
int index_of_footer = output.IndexOf("-----END RSA PRIVATE KEY-----");
memoryStream.Close();
streamWriter.Close();
string PrivKey = output.Substring(0, index_of_footer + 29);