Category Archives: openssl

C#: Import a rsa public key generated by openssl

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the C# (.NET 4) RSACryptoServiceProvider->ImportCspBlob methode has the ability to import RSA (public) keys.
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openssl: Sign a file and verify it.

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openssl can be used to create signature of a file and check the file against the signature to prevent unauthorized changes.

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openssl: List ciphersuites from SSL_CTX_set_cipher_list

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a customer needs a list of valid ciphersuites from a given allowed SSL_CTX_set_cipher_list.
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SSL/TLS: Enumerate all security ciphers a Web- or Mailserver offers

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you want to know which security ciphers a particular server supports?
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Powershell: Export/Convert a X509 Certificate to pem format

Hi,

powershell respectively the .NET framework does not offer a method to export a X509 certificate in PEM format. The pem format is a Base64 encoded view from the raw data with a header and a footer.

An example to export the machine certificate (with Thumbprint: 1C0381278083E3CB026E46A7FF09FC4B79543D) of an computer
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