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B4X

Load Identities from PEM Text

See more PFX/P12 Examples

Demonstrates Pfx.LoadPem, which loads one or more certificate/private-key identities from PEM-formatted text and builds the contents of the Pfx object.

The file path is relative to the application's current working directory. An absolute path may also be used. Supply the path appropriate to your own environment.

Background. The password decrypts any encrypted private keys in the PEM. This builds a PFX in memory from PEM material, which can then be serialized to PKCS#12.

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B4X
Dim success As Boolean = False

Dim pfx As ChilkatPfx
pfx.Initialize

'  The file path is relative to the application's current working directory.  An absolute path
'  may also be used.  Supply the path appropriate to your own environment.
'  Load the PEM text (certificates and private keys) into a string.
Dim sbPem As ChilkatStringBuilder
sbPem.Initialize
Dim bLoaded As Boolean = sbPem.LoadFile("qa_data/identity.pem")
If bLoaded <> True Then
    Log("Failed to load the PEM file.")
    Return
End If

Dim pemText As String = sbPem.GetAsString
If sbPem.LastMethodSuccess = False Then
    Log(sbPem.LastErrorText)
    Return
End If


'  The password decrypts any encrypted private keys in the PEM (use an empty string if none are
'  encrypted).  A password should come from a secure source rather than being hard-coded.
Dim password As String = "myPemPassword"
success = pfx.LoadPem(pemText, password)
If success = False Then
    Log(pfx.LastErrorText)
    Return
End If

Log("Loaded " & pfx.NumPrivateKeys & " private key(s).")