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comparison doc/Formatting-thoughts @ 71:7c9a3130fb66

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doc/Formatting-thoughts: typo fix in the word "standardized"
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 06 Apr 2021 05:42:16 +0000
parents a754d4f117cf
children
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70:ce3752d3d3b4 71:7c9a3130fb66
30 refusing to disclose the secret knowledge of how to do it unless we pay them 30 refusing to disclose the secret knowledge of how to do it unless we pay them
31 some ginormous sum of money. 31 some ginormous sum of money.
32 32
33 The current offering from Sysmocom (sysmoISIM-SJA2) does not fare any better in 33 The current offering from Sysmocom (sysmoISIM-SJA2) does not fare any better in
34 this regard. These cards are natively UICC, and in the world of UICC there 34 this regard. These cards are natively UICC, and in the world of UICC there
35 exist partially standarized commands for creating and deleting files, defined in 35 exist partially standardized commands for creating and deleting files, defined
36 ETSI TS 102 222. However, these commands are only partially standardized: the 36 in ETSI TS 102 222. However, these commands are only partially standardized:
37 ETSI spec gives the general principles and the command structure, but many of 37 the ETSI spec gives the general principles and the command structure, but many
38 the details as to exactly what needs to be put into the TLV structure fed to the 38 of the details as to exactly what needs to be put into the TLV structure fed to
39 CREATE FILE command in order for that command to succeed constitute proprietary 39 the CREATE FILE command in order for that command to succeed constitute
40 knowledge. Our experiments with this CREATE FILE command on sysmoISIM-SJA2 were 40 proprietary knowledge. Our experiments with this CREATE FILE command on
41 unsuccessful. The only way how the file structure of Sysmocom cards would 41 sysmoISIM-SJA2 were unsuccessful. The only way how the file structure of
42 become truly editable by end users would be if Sysmocom were to publish at least 42 Sysmocom cards would become truly editable by end users would be if Sysmocom
43 one fully worked-out example of a real CREATE FILE command that creates some 43 were to publish at least one fully worked-out example of a real CREATE FILE
44 dummy non-standard file just to prove it working, followed by a working example 44 command that creates some dummy non-standard file just to prove it working,
45 of a DELETE FILE command that deletes this newly created file, restoring the 45 followed by a working example of a DELETE FILE command that deletes this newly
46 card to its original state. However, we reason that Sysmocom would probably be 46 created file, restoring the card to its original state. However, we reason that
47 willing to do this support work only if someone paid them for it on an hourly 47 Sysmocom would probably be willing to do this support work only if someone paid
48 support basis, or ordered a large custom batch of cards from them and required 48 them for it on an hourly support basis, or ordered a large custom batch of cards
49 this support knowledge as part of that deal - and we (FreeCalypso) are not 49 from them and required this support knowledge as part of that deal - and we
50 currently in a position to pursue either of those two routes. 50 (FreeCalypso) are not currently in a position to pursue either of those two
51 routes.