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| file_encryption_decrypt_script 2023-12-27 | file_encryption_decrypt_script 2024-01-02 (current) | ||
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| The following PowerShell script can be used to decrypt files [[file_encryption|encrypted by WinSCP]], when you do not have WinSCP available. | The following PowerShell script can be used to decrypt files [[file_encryption|encrypted by WinSCP]], when you do not have WinSCP available. | ||
| - | //The script works both in legacy Windows PowerShell and modern PowerShell [Core], though it runs much slower in the latter.// | + | //The script works both in legacy Windows PowerShell and modern PowerShell [Core], though it runs slower in the latter.// |
| //For C# version of the ''AesCtrTransform'' function, see [[https://stackoverflow.com/q/6374437/850848#51188472|Can I use AES in CTR mode in .NET?]]// | //For C# version of the ''AesCtrTransform'' function, see [[https://stackoverflow.com/q/6374437/850848#51188472|Can I use AES in CTR mode in .NET?]]// | ||
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| $counter = $salt.Clone() | $counter = $salt.Clone() | ||
| - | $xorMask = New-Object System.Collections.Generic.Queue[byte] | + | # Particularly in pwsh, it runs much faster with non-generic Queue |
| + | ····$xorMask = New-Object System.Collections.Queue | ||
| $zeroIv = New-Object byte[] $blockSize | $zeroIv = New-Object byte[] $blockSize | ||