Cifrar utilizando una clave secreta - Operating systems, scripting, PowerShell and security

If an encryption key is specified by using the Key or SecureKey parameters, the Advanced Encryption Standard (AES) encryption algorithm is used. The specified key must have a length of 128, 192, or 256 bits because those are the key lengths supported by the AES encryption algorithm. If no key is specified, the Windows Data Protection API (DPAPI) is used to encrypt the standard string representation.

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