Xojo Plugin

Generate new DSA Key from OpenSSL Parameters File

See more DSA Examples

Generates a new DSA key from an OpenSSL-created parameters file (DER and PEM formats supported). Examples of using OpenSSL to create parameter files are shown here:

openssl dsaparam -outform DER 1024 <  seedData.txt >dsaparam.der

openssl dsaparam 1024 < seedData.txt >dsaparam.pem

Xojo Plugin

Dim success As Boolean
success = False

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

Dim dsa As New Chilkat.Dsa

success = dsa.GenKeyFromParamsDerFile("dsaparam.der")
If (success <> True) Then
    System.DebugLog(dsa.LastErrorText)
    Return
End If

// To generate a key from PEM, call GenKeyFromParamsPem 
// (for an in-memory PEM string) or GenKeyFromParamsFilePem
// for a PEM file.

// The public and private keys may now be exported to PEM, DER,
// and XML formatted files.

Dim pemStr As String
Dim xmlStr As String

// First for the public key...
// The public key never needs to be encrypted.

// Save the public key in PEM format:
pemStr = dsa.ToPublicPem()
// This example will not check the return value of SaveText...
success = dsa.SaveText(pemStr,"dsa_pub.pem")

// Save the public key in DER format:
success = dsa.ToPublicDerFile("dsa_pub.der")

Dim bPublicOnly As Boolean
bPublicOnly = True
// Save to XML
xmlStr = dsa.ToXml(bPublicOnly)
success = dsa.SaveText(pemStr,"dsa_pub.xml")

// ------------------------------------
// Now for the private key....
// ------------------------------------

// Unencrypted PEM:
pemStr = dsa.ToPem()
success = dsa.SaveText(pemStr,"dsa_priv.pem")

// Encrypted PEM:
pemStr = dsa.ToEncryptedPem("myPassword")
success = dsa.SaveText(pemStr,"dsa_privEncrypted.pem")

// DER:
success = dsa.ToDerFile("dsa_priv.der")

// XML:
bPublicOnly = False
xmlStr = dsa.ToXml(bPublicOnly)
success = dsa.SaveText(pemStr,"dsa_priv.xml")

System.DebugLog("Finished!")