For more details, head to the MDN Web Crypto API documentation on AES-CTR.
|Should be set to AES-CTR.
|ArrayBuffer, TypedArray, or DataView
|The initial value of the counter block. This must be 16-bytes long, like the AES block size.
|The number of bits in the counter block that are used for the actual counter. It is recommended to use 64 (half of the counter block).