Tag Archives: openssl

openssl: Establish a http connect behind a proxy

Hi,

since openssl 1.1.0 it is possible to establish a HTTPs CONNECT connection to a (Web)server behind a http proxy.

Continue reading openssl: Establish a http connect behind a proxy

openssl: Create a selfsigned certificate

Hi,

creating selfsigned certificate with openssl is one step 🙂
Continue reading openssl: Create a selfsigned certificate

openssl: Verifiy failed with error 3 at 0 depth lookup: unable to get certificate CRL

Hi,

openssl can verify certificates against the root CA/intermediate CA chain and also can check a crl list if a certificate is revoked.
Continue reading openssl: Verifiy failed with error 3 at 0 depth lookup: unable to get certificate CRL

C#: Import a rsa public key generated by openssl

Hi,

the C# (.NET 4) RSACryptoServiceProvider->ImportCspBlob methode has the ability to import RSA (public) keys.
Continue reading C#: Import a rsa public key generated by openssl

openssl: Sign a file and verify it.

Hi,

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

Continue reading openssl: Sign a file and verify it.