Asset ID : What are the constraints on the Asset ID value?

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Created Jul ’15

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Outside of the minimum and maximum documented length of the Asset ID (2 to 200 bytes inclusive), are there other constraints on this field?

Is it fine to request a SPC to the iOS platform with an empty Asset ID ? Does that lead to a FPS error message -42673?
What about a constant value ?
Can anyone confirm that the padding to a multiple of the crypto block size is done by the iOS platform?

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Answer 1

DTS Engineer OP

Apple

Jul ’15

Aside from the documented minimum and maximum length there are no other restrictions on the Asset ID, for example a constant value is ok. However, you can't specify an empty Asset ID; as noted, you will get the error message -42673 if you do. And yes, the padding to a multiple of the crypto block size is taken care of in the FPS implementation.

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