Hi Martin,
On Tue, Apr 10, 2018 at 7:01 PM, Martin Townsend
<mtownsend1973@xxxxxxxxx> wrote:
> A hexdump of the signature reveals a 0x00 at the start
Yes, same is happening here on my mx6ul evk running linux-next:
[ 2.990651] cfg80211: Loading compiled-in X.509 certificates for
regulatory database
[ 2.999046] signature00000000: 00 87 03 da f2 82 c2 dd af 7c 44 2f
86 d3 5f 4c .........|D/.._L
[ 3.008213] signature00000010: 93 48 b9 fe 07 17 bb 21 f7 25 23 4e
aa 22 0c 16 .H.....!.%#N."..
[ 3.017069] signature00000020: b9 73 ae 9d 46 7c 75 d9 c3 49 57 47
bf 33 b7 97 .s..F|u..IWG.3..
[ 3.026064] signature00000030: ec f5 40 75 c0 46 22 f0 a0 5d 9c 79
13 a1 ff b8 ..@u.F"..].y....
[ 3.035049] signature00000040: a3 2f 7b 8e 06 3f c8 b6 e4 6a 28 f2
34 5c 23 3f ./{..?...j(.4\#?
[ 3.043994] signature00000050: 32 c0 e6 ad 0f ac cf 55 74 47 73 d3
01 85 b7 0b 2......UtGs.....
[ 3.052941] signature00000060: 22 56 24 7d 9f 09 a9 0e 86 9e 37 5b
9c 6d 02 d9 "V$}......7[.m..
[ 3.061879] signature00000070: 8c c8 50 6a e2 59 f3 16 06 ea b2 42
b5 58 fe ba ..Pj.Y.....B.X..
[ 3.070813] signature00000080: d1 81 57 1a ef b2 38 88 58 f6 aa c4
2e 8b 5a 27 ..W...8.X.....Z'
[ 3.079742] signature00000090: e4 a5 e8 a4 ca 67 5c ac 72 67 c3 6f
13 c3 2d 35 .....g\.rg.o..-5
[ 3.088669] signature000000a0: 79 d7 8a e7 f5 d4 21 30 4a d5 f6 a3
d9 79 56 f2 y.....!0J....yV.
[ 3.097512] signature000000b0: 0f 10 f7 7d d0 51 93 2f 47 f8 7d 4b
0a 84 55 12 ...}.Q./G.}K..U.
[ 3.106437] signature000000c0: 0a 7d 4e 3b 1f 2b 2f fc 28 b3 69 34
e1 80 80 bb .}N;.+/.(.i4....
[ 3.115366] signature000000d0: e2 af b9 d6 30 f1 1d 54 87 23 99 9f
51 03 4c 45 ....0..T.#..Q.LE
[ 3.124292] signature000000e0: 7d 02 65 73 ab fd cf 94 cc 0d 3a 60
fd 3c 14 2f }.es......:`.<./
[ 3.133238] signature000000f0: 16 33 a9 21 1f cb 50 b1 8f 03 ee a0
66 a9 16 79 .3.!..P.....f..y
[ 3.142189] signature00000100: 14
.
[ 3.155013] caam_jr 2142000.jr1: 40000789: DECO: desc idx 7:
Protocol Size Error - A protocol has seen an error in size. When
running RSA, pdb size N < (size of F) when no formatting is used; or
pdb si
ze N < (F + 11) when formatting is used.
However, the same kernel running on a mx6 board does not give the
"Protocol Size Error":
[ 2.654244] cfg80211: Loading compiled-in X.509 certificates for
regulatory database
[ 2.662221] signature00000000: 00 87 03 da f2 82 c2 dd af 7c 44 2f
86 d3 5f 4c .........|D/.._L
[ 2.671221] signature00000010: 93 48 b9 fe 07 17 bb 21 f7 25 23 4e
aa 22 0c 16 .H.....!.%#N."..
[ 2.680082] signature00000020: b9 73 ae 9d 46 7c 75 d9 c3 49 57 47
bf 33 b7 97 .s..F|u..IWG.3..
[ 2.688893] signature00000030: ec f5 40 75 c0 46 22 f0 a0 5d 9c 79
13 a1 ff b8 ..@u.F"..].y....
[ 2.697750] signature00000040: a3 2f 7b 8e 06 3f c8 b6 e4 6a 28 f2
34 5c 23 3f ./{..?...j(.4\#?
[ 2.706604] signature00000050: 32 c0 e6 ad 0f ac cf 55 74 47 73 d3
01 85 b7 0b 2......UtGs.....
[ 2.715460] signature00000060: 22 56 24 7d 9f 09 a9 0e 86 9e 37 5b
9c 6d 02 d9 "V$}......7[.m..
[ 2.724323] signature00000070: 8c c8 50 6a e2 59 f3 16 06 ea b2 42
b5 58 fe ba ..Pj.Y.....B.X..
[ 2.733182] signature00000080: d1 81 57 1a ef b2 38 88 58 f6 aa c4
2e 8b 5a 27 ..W...8.X.....Z'
[ 2.742032] signature00000090: e4 a5 e8 a4 ca 67 5c ac 72 67 c3 6f
13 c3 2d 35 .....g\.rg.o..-5
[ 2.750883] signature000000a0: 79 d7 8a e7 f5 d4 21 30 4a d5 f6 a3
d9 79 56 f2 y.....!0J....yV.
[ 2.759737] signature000000b0: 0f 10 f7 7d d0 51 93 2f 47 f8 7d 4b
0a 84 55 12 ...}.Q./G.}K..U.
[ 2.768543] signature000000c0: 0a 7d 4e 3b 1f 2b 2f fc 28 b3 69 34
e1 80 80 bb .}N;.+/.(.i4....
[ 2.777403] signature000000d0: e2 af b9 d6 30 f1 1d 54 87 23 99 9f
51 03 4c 45 ....0..T.#..Q.LE
[ 2.786259] signature000000e0: 7d 02 65 73 ab fd cf 94 cc 0d 3a 60
fd 3c 14 2f }.es......:`.<./
[ 2.795110] signature000000f0: 16 33 a9 21 1f cb 50 b1 8f 03 ee a0
66 a9 16 79 .3.!..P.....f..y
[ 2.803957] signature00000100: 14
.
[ 2.816788] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[ 2.824922] platform regulatory.0: Direct firmware load for
regulatory.db failed with error -2
[ 2.829396] ALSA device list:
[ 2.833904] cfg80211: failed to load regulatory.db
