Visual Basic 60 Projects With Source Code Exclusive ✧

You need to add a reference to CAPICOM (Microsoft Cryptographic API).

'Requires: Project -> References -> "COM+ 1.0 Type Library" or "CAPICOM 2.0"
Private Function EncryptString(ByVal PlainText As String, ByVal Password As String) As String
Dim EncryptedData As New CAPICOM.EncryptedData
EncryptedData.Algorithm.Name = CAPICOM_ENCRYPTION_ALGORITHM_CAPICOM_ENCRYPTION_ALGORITHM_3DES
EncryptedData.SetSecret Password
EncryptedData.Content = PlainText
EncryptString = EncryptedData.Encrypt(CAPICOM_ENCODING_BASE64)
End Function
Private Function DecryptString(ByVal CipherText As String, ByVal Password As String) As String
On Error GoTo BadPassword
Dim EncryptedData As New CAPICOM.EncryptedData
EncryptedData.Algorithm.Name = CAPICOM_ENCRYPTION_ALGORITHM_CAPICOM_ENCRYPTION_ALGORITHM_3DES
EncryptedData.SetSecret Password
EncryptedData.Decrypt CipherText
DecryptString = EncryptedData.Content
Exit Function
BadPassword:
DecryptString = "ERROR: Wrong Password"
End Function visual basic 60 projects with source code exclusive
'Save to file
Private Sub SaveVault()
Dim ff As Integer
ff = FreeFile
Open App.Path & "\vault.dat" For Binary As #ff
Put #ff, , EncryptString(Text1.Text, MasterPass)
Close #ff
End Sub

Exclusive Insight: This doesn't store the password hash; it uses the password as a key. If you lose the master password, the data is gone forever—real security.

Visual Basic 6.0 represents a time when programming felt tangible. You drew a button, double-clicked it, and wrote code that did something immediately. There were You need to add a reference to CAPICOM

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