Artifact
010e4d2d9697ee6a3caf07e5744498f3e1124d7c:
- File
kregion.fs
— part of check-in
[488a9d5087]
at
2014-06-12 23:07:44
on branch trunk
— secret stuff in locked memory
(user:
bernd
size: 2019)
0000: 5c 20 63 72 79 70 74 6f 20 72 65 67 69 6f 6e 20 \ crypto region
0010: 62 61 73 65 64 20 61 6c 6c 6f 63 61 74 69 6f 6e based allocation
0020: 0a 0a 5c 20 43 6f 70 79 72 69 67 68 74 20 28 43 ..\ Copyright (C
0030: 29 20 32 30 31 34 20 20 20 42 65 72 6e 64 20 50 ) 2014 Bernd P
0040: 61 79 73 61 6e 0a 0a 5c 20 54 68 69 73 20 70 72 aysan..\ This pr
0050: 6f 67 72 61 6d 20 69 73 20 66 72 65 65 20 73 6f ogram is free so
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0070: 72 65 64 69 73 74 72 69 62 75 74 65 20 69 74 20 redistribute it
0080: 61 6e 64 2f 6f 72 20 6d 6f 64 69 66 79 0a 5c 20 and/or modify.\
0090: 69 74 20 75 6e 64 65 72 20 74 68 65 20 74 65 72 it under the ter
00a0: 6d 73 20 6f 66 20 74 68 65 20 47 4e 55 20 41 66 ms of the GNU Af
00b0: 66 65 72 6f 20 47 65 6e 65 72 61 6c 20 50 75 62 fero General Pub
00c0: 6c 69 63 20 4c 69 63 65 6e 73 65 20 61 73 20 70 lic License as p
00d0: 75 62 6c 69 73 68 65 64 20 62 79 0a 5c 20 74 68 ublished by.\ th
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00f0: 46 6f 75 6e 64 61 74 69 6f 6e 2c 20 65 69 74 68 Foundation, eith
0100: 65 72 20 76 65 72 73 69 6f 6e 20 33 20 6f 66 20 er version 3 of
0110: 74 68 65 20 4c 69 63 65 6e 73 65 2c 20 6f 72 0a the License, or.
0120: 5c 20 28 61 74 20 79 6f 75 72 20 6f 70 74 69 6f \ (at your optio
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0150: 6f 67 72 61 6d 20 69 73 20 64 69 73 74 72 69 62 ogram is distrib
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0200: 20 20 53 65 65 20 74 68 65 0a 5c 20 47 4e 55 20 See the.\ GNU
0210: 41 66 66 65 72 6f 20 47 65 6e 65 72 61 6c 20 50 Affero General P
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02a0: 6f 67 72 61 6d 2e 20 20 49 66 20 6e 6f 74 2c 20 ogram. If not,
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02d0: 2f 3e 2e 0a 0a 32 56 61 72 69 61 62 6c 65 20 6b />...2Variable k
02e0: 72 65 67 69 6f 6e 20 5c 20 63 75 72 72 65 6e 74 region \ current
02f0: 20 72 65 67 69 6f 6e 20 70 6f 69 6e 74 65 72 20 region pointer
0300: 2b 20 72 65 6d 61 69 6e 64 65 72 0a 56 61 72 69 + remainder.Vari
0310: 61 62 6c 65 20 6b 66 72 65 65 36 34 27 20 5c 20 able kfree64' \
0320: 66 72 65 65 20 6c 69 73 74 20 66 6f 72 20 36 34 free list for 64
0330: 20 62 79 74 65 73 20 6b 65 79 73 0a 0a 24 34 30 bytes keys..$40
0340: 30 30 20 43 6f 6e 73 74 61 6e 74 20 2f 6b 72 65 00 Constant /kre
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0390: 63 6b 20 6f 66 20 6e 6f 6e 2d 73 77 61 70 70 61 ck of non-swappa
03a0: 62 6c 65 20 73 74 75 66 66 0a 20 20 20 20 72 40 ble stuff. r@
03b0: 20 2f 6b 72 65 67 69 6f 6e 20 75 3e 20 21 21 6b /kregion u> !!k
03c0: 72 2d 73 69 7a 65 21 21 0a 20 20 20 20 6b 72 65 r-size!!. kre
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03e0: 3c 20 49 46 0a 09 32 64 72 6f 70 20 2f 6b 72 65 < IF..2drop /kre
03f0: 67 69 6f 6e 20 61 6c 6c 6f 63 2b 6c 6f 63 6b 20 gion alloc+lock
0400: 2f 6b 72 65 67 69 6f 6e 20 32 64 75 70 20 6b 72 /kregion 2dup kr
0410: 65 67 69 6f 6e 20 32 21 20 20 54 48 45 4e 0a 20 egion 2! THEN.
0420: 20 20 20 6f 76 65 72 20 73 77 61 70 20 72 3e 20 over swap r>
0430: 73 61 66 65 2f 73 74 72 69 6e 67 20 6b 72 65 67 safe/string kreg
0440: 69 6f 6e 20 32 21 20 3b 0a 0a 5c 20 66 69 78 65 ion 2! ;..\ fixe
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04e0: 20 40 20 3f 64 75 70 2d 69 66 20 20 64 75 70 20 @ ?dup-if dup
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0520: 0a 3a 20 6b 66 72 65 65 36 34 20 28 20 61 64 64 .: kfree64 ( add
0530: 72 20 2d 2d 20 29 0a 20 20 20 20 64 75 70 20 36 r -- ). dup 6
0540: 34 20 65 72 61 73 65 20 6b 66 72 65 65 36 34 27 4 erase kfree64'
0550: 20 40 20 6f 76 65 72 20 21 20 6b 66 72 65 65 36 @ over ! kfree6
0560: 34 27 20 21 20 3b 0a 3a 20 6b 61 6c 6c 6f 63 36 4' ! ;.: kalloc6
0570: 34 3f 20 28 20 61 64 64 72 20 2d 2d 20 61 64 64 4? ( addr -- add
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05a0: 20 20 64 72 6f 70 20 6b 61 6c 6c 6f 63 36 34 20 drop kalloc64
05b0: 3b 0a 0a 33 32 20 62 75 66 66 65 72 3a 20 7a 65 ;..32 buffer: ze
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05e0: 20 29 0a 20 20 20 20 3e 72 20 72 40 20 6b 61 6c ). >r r@ kal
05f0: 6c 6f 63 36 34 3f 20 64 75 70 20 72 3e 20 21 20 loc64? dup r> !
0600: 73 77 61 70 20 24 34 30 20 75 6d 69 6e 20 6d 6f swap $40 umin mo
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0630: 0a 20 20 20 20 40 20 64 75 70 20 49 46 20 20 24 . @ dup IF $
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0660: 72 3d 20 49 46 20 20 32 2f 20 20 54 48 45 4e 0a r= IF 2/ THEN.
0670: 20 20 20 20 45 4c 53 45 20 30 20 54 48 45 4e 20 ELSE 0 THEN
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06a0: 20 29 20 3e 72 0a 20 20 20 20 30 20 7b 20 77 5e ) >r. 0 { w^
06b0: 20 73 65 63 20 7d 20 73 65 63 20 73 65 63 21 20 sec } sec sec!
06c0: 73 65 63 20 63 65 6c 6c 20 72 3e 20 24 2b 21 20 sec cell r> $+!
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06f0: 20 20 24 5b 5d 20 73 65 63 40 20 3b 0a 0a 73 74 $[] sec@ ;..st
0700: 6f 72 61 67 65 20 63 6c 61 73 73 20 65 6e 64 2d orage class end-
0710: 63 6c 61 73 73 20 63 72 79 70 74 6f 2d 61 6c 6c class crypto-all
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0740: 6c 6c 6f 63 20 3b 20 63 72 79 70 74 6f 2d 61 6c lloc ; crypto-al
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0760: 0a 5c 20 77 65 20 6e 65 76 65 72 20 66 72 65 65 .\ we never free
0770: 20 74 68 65 73 65 20 63 6c 61 73 73 65 73 2c 20 these classes,
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07b0: 6f 63 20 27 20 6e 65 77 20 73 74 61 74 69 63 2d oc ' new static-
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07d0: 20 43 6f 6e 73 74 61 6e 74 20 63 72 79 70 74 6f Constant crypto
07e0: 2d 61 0a -a.