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| $symbols = '!@#$%^&*'.ToCharArray() | |
| $characterList = 'a'..'z' + 'A'..'Z' + '0'..'9' + $symbols | |
| function GeneratePassword { | |
| param( | |
| [Parameter(Mandatory = $false)] | |
| [ValidateRange(12, 256)] | |
| [int] | |
| $length = (Get-Random -Minimum 15 -Maximum 25) | |
| ) | |
| $passwordBuilder = New-Object System.Text.StringBuilder | |
| do { | |
| $passwordBuilder.Clear() | |
| for ($i = 0; $i -lt $length; $i++) { | |
| $randomIndex = [System.Security.Cryptography.RandomNumberGenerator]::GetInt32(0, $characterList.Length) | |
| $passwordBuilder.Append($characterList[$randomIndex]) | Out-Null | |
| } | |
| $password = $passwordBuilder.ToString() | |
| $charChecks = @{ | |
| 'Lowercase' = $password -cmatch '[a-z]' | |
| 'Uppercase' = $password -cmatch '[A-Z]' | |
| 'Digit' = $password -match '[0-9]' | |
| 'Symbol' = $password.IndexOfAny($symbols) -ne -1 | |
| } | |
| } | |
| until ($charChecks.Values.Where({$_}).Count -ge 3) | |
| $password | ConvertTo-SecureString -AsPlainText | |
| } |
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