tf_fuzz/demo/28.test

purpose to create a key, then read the key data ("material") into a variable;

1 of {
// key policy must be set to 0 for import to work -- this tells PSA Crypto that
// we don't care about the size of the key
set policy name somePolicy attr noexport volatile size 0 valid;
set policy name somePolicy attr export volatile size 0 valid;
set policy name somePolicy attr export volatile valid;
set policy name somePolicy attr export volatile valid;
}
set key name aKey data * policy somePolicy;
read key name aKey var keyDataVar;