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(Lianja) RSA Sign with PKCS8 Encrypted KeySee more RSA ExamplesDemonstrates how to load a private key from an encrypted PKCS8 file and create an RSA digital signature.
// This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. loPkey = createobject("CkPrivateKey") // Load the private key from an RSA PEM file: llSuccess = loPkey.LoadPkcs8EncryptedFile("privateKey.key","myPassword") // Get the private key in XML format: lcPkeyXml = loPkey.GetXml() loRsa = createobject("CkRsa") // Import the private key into the RSA object: llSuccess = loRsa.ImportPrivateKey(lcPkeyXml) if (llSuccess <> .T.) then ? loRsa.LastErrorText release loPkey release loRsa return endif // Return the signature in hex loRsa.EncodingMode = "hex" lcStrData = "This is the string to be signed." // Sign the string using the sha-1 hash algorithm. // Other valid choices are "md2", "sha256", "sha384", "sha512", and "md5". lcHexSig = loRsa.SignStringENC(lcStrData,"sha-1") ? lcHexSig release loPkey release loRsa |
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