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Annotations of the output as from hd or hexout can be extremely useful in reading them. An example follows below. It would be nice to have a tool to do such things for us. This might involve searching for tags, reading lengths and so on; the trick will be to keep it simple...
00000000 83 21 00 00 01 65
^ NDEF header, first record, URI typed
^ type length 0x21 == 33
^ payload length 0x00000165 == 357
75 72 6e 3a 6e 66 63 3a 65 78 |.!...eurn:nfc:ex|
00000010 74 3a 61 72 70 61 32 2e 6f 72 67 3a 6b 72 62 35 |t:arpa2.org:krb5|
00000020 3a 74 69 63 6b 65 74
^ URI type
61 82 01 61 30 82 01 5d a0 |:ticketa..a0..].|
00000030 03 02 01 05 a1 0b 1b 09 41 52 50 41 32 2e 4e 45 |........ARPA2.NE|
00000040 54 a2 21 30 1f a0 03 02 01 01 a1 18 30 16 1b 04 |T.!0........0...|
00000050 78 6d 70 70 1b 0e 78 6d 70 70 2e 61 72 70 61 32 |xmpp..xmpp.arpa2|
00000060 2e 6e 65 74 a3 82 01 24 30 82 01 20 a0 03 02 01 |.net...$0.. ....|
00000070 12 a1 03 02 01 03 a2 82 01 12 04 82 01 0e 30 29 |..............0)|
00000080 4c 30 d0 35 66 bf e9 5c 90 45 86 54 5d c5 b3 c9 |L0.5f..\.E.T]...|
00000090 8b f1 52 db 36 92 fc b1 6f a5 51 01 c8 78 26 a8 |..R.6...o.Q..x&.|
000000a0 12 12 44 38 00 da 75 18 ba 50 14 89 4b 79 bd 71 |..D8..u..P..Ky.q|
000000b0 ac 12 3b 76 17 10 f6 11 57 05 b5 84 94 86 62 55 |..;v....W.....bU|
000000c0 ce 8d f0 10 f4 91 7c 6c 57 ed d2 00 3f 32 e6 17 |......|lW...?2..|
000000d0 4d f1 5a 8e c5 f9 ef 77 5e 02 d4 6d ee 78 85 cf |M.Z....w^..m.x..|
000000e0 ad f3 31 03 98 89 86 c2 0c cb 7d 02 8f 55 08 3c |..1.......}..U.<|
000000f0 16 e2 e9 69 86 bc af fe 39 08 05 94 4f 42 e0 22 |...i....9...OB."|
00000100 57 66 81 ed c0 5c d6 46 1d eb ff a0 79 a8 3d 98 |Wf...\.F....y.=.|
00000110 ba a7 48 80 6e 1c f5 a5 fb 2f 44 8b 4d e2 f1 de |..H.n..../D.M...|
00000120 9c ce ea 59 4e 3a d0 70 df 79 71 e0 db 24 cd 24 |...YN:.p.yq..$.$|
00000130 d7 46 c7 d4 28 10 9e ea e2 6c ad 4b 33 b9 ad 51 |.F..(....l.K3..Q|
00000140 3b b2 01 47 83 2d 74 36 2b 4d a4 f9 5d e6 e3 60 |;..G.-t6+M..]..`|
00000150 3d ca a4 9b 87 43 a4 46 82 99 71 c4 64 07 c4 88 |=....C.F..q.d...|
00000160 d7 a2 86 ef 3a 83 36 54 e8 97 21 cf 32 3f 7f 97 |....:.6T..!.2?..|
00000170 8f 3d a3 00 6b b8 c7 b6 fc 7e 2e 35 dc c4 c5 ae |.=..k....~.5....|
00000180 ee 53 7d a0 14 d3 65 6d 9c 83 1c af
payload ^
43 2f 00 00 |.S}...em....C/..|
NDEF header, last record, URI typed ^
type length 0x2f == 47 ^
00000190 01 06
payload length 0x106 == 262 ^
75 72 6e 3a 6e 66 63 3a 65 78 74 3a 61 72 |..urn:nfc:ext:ar|
000001a0 70 61 32 2e 6f 72 67 3a 6b 72 62 35 3a 65 6e 63 |pa2.org:krb5:enc|
000001b0 74 69 63 6b 65 74 70 61 72 74 3a 6b 65 79 74 61 |ticketpart:keyta|
000001c0 62
^ type URI
30 82 01 02 a0 03 02 01 12 a1 03 02 01 02 a2 |b0..............|
000001d0 81 f5 04 81 f2 86 cc d8 e3 78 62 23 6d 56 47 4a |.........xb#mVGJ|
000001e0 2b ce 63 41 9a ec 6f be f3 c5 18 86 20 65 09 a4 |+.cA..o..... e..|
000001f0 c2 1e c3 05 1f 8e ac 80 44 42 d3 b3 a1 63 6e a2 |........DB...cn.|
00000200 6b ce 53 c4 48 59 28 25 12 df e9 df 02 1b fa 57 |k.S.HY(%.......W|
00000210 14 75 8a c0 63 09 41 60 59 c5 8b 54 5b ce 22 a2 |.u..c.A`Y..T[.".|
00000220 3a 9c 11 4d d8 46 3e a3 0f 1e 75 a3 83 71 8c 11 |:..M.F>...u..q..|
00000230 5b 9a f3 27 2a c0 4a d5 32 2f 95 24 56 cb 09 c5 |[..'*.J.2/.$V...|
00000240 4d cf 3b de ce 46 18 a0 85 e6 3c 8d f1 3b 9c 37 |M.;..F....<..;.7|
00000250 60 a7 65 e0 aa ff 7d 8d 63 ef f5 0e 94 fe 26 66 |`.e...}.c.....&f|
00000260 89 40 81 07 0e 61 96 03 0b f7 c3 4d ab f9 dd 9e |.@...a.....M....|
00000270 ca 21 e6 ab 65 eb ef 54 4b 1a 9a 52 ab df 4f 1f |.!..e..TK..R..O.|
00000280 9f 9e 07 c5 d6 6b 05 7d 8a 0d 35 dd c3 31 2d 91 |.....k.}..5..1-.|
00000290 75 b7 06 d2 da 57 66 fa a8 5a 55 b5 c9 72 e1 bf |u....Wf..ZU..r..|
000002a0 88 3d 89 c3 52 9e d3 37 bc ed fe 80 2a d8 0f 9e |.=..R..7....*...|
000002b0 76 4d 9f be 44 61 19 a9 bc 8a b9 25 89 20 55 af |vM..Da.....%. U.|
000002c0 37 75 1e d9 22 7e 6c |7u.."~l|
^ payload
000002c7
The text was updated successfully, but these errors were encountered:
Given an application's data format, it should be doable to gradually script the analysing capabilities and get really useful readouts on our binary output as development progresses. Scripts can be 100% tailor-made and even invoke external programs.
Annotations of the output as from
hd
orhexout
can be extremely useful in reading them. An example follows below. It would be nice to have a tool to do such things for us. This might involve searching for tags, reading lengths and so on; the trick will be to keep it simple...The text was updated successfully, but these errors were encountered: