Chilkat Examples

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Visual Basic 6.0 Examples

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Certificates
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Encryption
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Gzip
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PFX/P12
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MIME
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SSH
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ASN.1
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CSV
Diffie-Hellman
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DSA
NTLM
QuickBooks

 

 

 

 

 

 

 

(Visual Basic 6.0) Convert PuTTY Private Key (ppk) to OpenSSH (pem)

Convert a PuTTY format private key file (.ppk) to OpenSSH (.pem).

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Dim key As New ChilkatSshKey

Dim success As Long

'  Load an unencrypted or encrypted PuTTY private key.

'  If  your PuTTY private key is encrypted, set the Password
'  property before calling FromPuttyPrivateKey.
'  If your PuTTY private key is not encrypted, it makes no diffference
'  if Password is set or not set.
key.Password = "secret"

'  First load the .ppk file into a string:
Dim keyStr As String
keyStr = key.LoadText("putty_private_key.ppk")

'  Import into the SSH key object:
success = key.FromPuttyPrivateKey(keyStr)
If (success <> 1) Then
    Text1.Text = Text1.Text & key.LastErrorText & vbCrLf
    Exit Sub
End If

'  Convert to an encrypted or unencrypted OpenSSH key.

'  First demonstrate converting to an unencrypted OpenSSH key
Dim unencryptedKeyStr As String
Dim bEncrypt As Long
bEncrypt = 0
unencryptedKeyStr = key.ToOpenSshPrivateKey(bEncrypt)
success = key.SaveText(unencryptedKeyStr,"unencrypted_openssh.pem")
If (success <> 1) Then
    Text1.Text = Text1.Text & key.LastErrorText & vbCrLf
    Exit Sub
End If

'  Save to an encrypted OpenSSH PEM file:
Dim encryptedKeyStr As String
bEncrypt = 1
key.Password = "myPassword"
encryptedKeyStr = key.ToOpenSshPrivateKey(bEncrypt)
success = key.SaveText(encryptedKeyStr,"encrypted_openssh.pem")
If (success <> 1) Then
    Text1.Text = Text1.Text & key.LastErrorText & vbCrLf
    Exit Sub
End If

Text1.Text = Text1.Text & "Done!" & vbCrLf

 

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