Below, you can see page 77 of ST_Lite_JxE081_v00.02 .It is a Security-Target (a document that indicate some security specification of an IT production) for JCOP Smart cards.

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TSF = Target Security Functions

In the sentece that I underlined above, what is the reference of "From"? It refers to interpretation or it refers to to TSF data? In the other word, which of these below interpretation is true?

  1. using another trusted IT product to interpret the TSF data
  2. interpreting the data of TSF that comes from another IT product

My guess is that your second option is the right one:

Interepreting the TSF data that comes from another trusted IT product

I did not understand your first option:

interpreting from another trusted IT product the data of TSF

Did you mean to say

When using another trusted IT product to interpret the TSF data

  • Yes I was meant the same that you said in last line. Why it is not true? I correct it. – TheGoodUser Jan 13 '15 at 6:28
  • 2
    @TheGoodUser-Amir -- I see. In English, you can say "I saw her from the train", but it would be awkward to say "I processed this data file from my favorite program". One tends to apply the word using in such cases. – CowperKettle Jan 13 '15 at 6:30

Number 2 is correct.

...interpreting X. Where X = another product's TSF data

A and B are parallel in meaning here:

A...interpreting the TSF data from another IT product.

B...enjoying the light from the sun.

----> shows origin/source -----(object)--->

Another IT product -----(TSF data)--->

Sun ----(light)--->

  • 1
    I just understand your first line! :D Number 2 is correct – TheGoodUser Jan 13 '15 at 6:30
  • I did not read your question correctly the first time. Yes, the answer is 2. The reference connected to from is TSF data. – Jim Reynolds Jan 13 '15 at 8:24

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