B4X

Convert DSA DER Private Key to PEM

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Converts a DSA private key from DER format to PEM. Demonstrates how to write both encrypted and unencrypted PEM formatted private keys. B4X

Dim success As Boolean = False

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

Dim dsa As ChilkatDsa
dsa.Initialize

'  Load a DER private key.
success = dsa.FromDerFile("dsa_priv.der")
If success <> True Then
    Log(dsa.LastErrorText)
    Return
End If


Dim pemStr As String

'  Save to unencrypted PEM:
pemStr = dsa.ToPem
success = dsa.SaveText(pemStr, "dsa_priv.pem")
If success <> True Then
    Log(dsa.LastErrorText)
    Return
End If


'  Save to encrypted PEM:
pemStr = dsa.ToEncryptedPem("myPassword")
success = dsa.SaveText(pemStr, "dsa_privEncrypted.pem")
If success <> True Then
    Log(dsa.LastErrorText)
    Return
End If


Log("Finished!")