Chilkat Examples

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Xojo Plugin Examples

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(Xojo Plugin) RSASSA-PSS Algorithm with SHA256 Hashing

RSA encrypt a SHA256 hash with OAEP padding.

Chilkat Xojo Plugin Download

Xojo Plugin for Windows, Linux, Mac OS X, and ARM, ARM64

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

Dim privkey As New Chilkat.PrivateKey

// Load the private key object from a PEM file.
// (To load from a PEM string, call LoadPem instead.)
Dim success As Boolean
success = privkey.LoadPemFile("somePath/myPrivateKey.pem")
If (success <> True) Then
    System.DebugLog(privkey.LastErrorText)
    Return
End If

Dim rsa As New Chilkat.Rsa
// Use RSA-PSS by setting OaepPadding = True
rsa.OaepPadding = True
// Use SHA256
rsa.OaepHash = "SHA-256"

success = rsa.ImportPrivateKeyObj(privkey)

// Generate a base64 signature.
rsa.EncodingMode = "base64"

Dim sigStr As String
sigStr = rsa.SignStringENC("String to be signed","SHA-256")
If (rsa.LastMethodSuccess <> True) Then
    System.DebugLog(rsa.LastErrorText)
    Return
End If

System.DebugLog("Signature: " + sigStr)

 

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