mirror of
https://git.soft.fish/val/MicroCorruption.git
synced 2024-11-25 06:25:58 +00:00
440 lines
15 KiB
Plaintext
440 lines
15 KiB
Plaintext
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:10 4400 00 55425C0135D0085A8245202431400044 91
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:10 4410 00 3F4020000F930824924220245C012F83 08
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:10 4420 00 9F4F80470024F8233F4000000F930724 4C
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:10 4430 00 924220245C011F83CF432024F9233150 72
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:10 4440 00 BCFE3F405646B012BA45814300003F40 93
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:10 4450 00 7C46B012BA452E430F41B0129C453F40 F6
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:10 4460 00 A446B012BA453D4001010E430F413F50 F2
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:10 4480 00 B0129C453F40CB46B012BA453D404100 7A
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:10 44A0 00 2F53B0129C452F410F9303343F9001F0 DE
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:10 44B0 00 05283F40EB46B012BA45C73F3D400001 DA
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:10 44C0 00 0E413E504300B012D8450C412C533D40 A4
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:10 44D0 00 00012E413F400024B01268451F930524 7F
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:10 44E0 00 3F401F47B012BA45B03F3F403F47B012 70
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:10 44F0 00 BA45911202000F930F243F406247B012 59
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:10 4500 00 BA450312031230127F00B0122C450F43 3C
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:10 4540 00 324130410D120E120F1230123000B012 F3
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:10 4550 00 2C45315230410D120E120F1230123100 23
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:10 4560 00 B0122C45315230410B12041204412452 36
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:10 4570 00 21838443FAFF3B40FAFF0B540B120C12 C9
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:10 4580 00 0D120E120F1230123300B0122C451F44 C0
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:10 4590 00 FAFF31500E0034413B4130410E120F12 F0
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:10 45A0 00 2312B0122C453150060030418F110F12 EA
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:10 45B0 00 0312B0122C45215230410B120B4F033C 19
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:10 45C0 00 1B53B012AC456F4B4F93FA237F400A00 48
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:10 45D0 00 B012AC453B4130410C4F043CFC4E0000 56
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:10 45E0 00 1C533D530D93FA2330410B120A120912 4A
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:10 45F0 00 08123D900600092C0C4F043CCC4E0000 E4
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:10 4600 00 1C533D530D93FA23203C4E4E4B4E0B93 BF
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:10 4610 00 03240C4B8C100BDC1FB306243D53CF4E F0
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:10 4620 00 0000094F1953013C094F0C4D12C30C10 E7
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:10 4630 00 0A49084C8A4B00002A533853FB230C5C 70
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:10 4640 00 0C591DF30224CC4E0000384139413A41 47
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:06 4650 00 3B4130410013 64
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:10 4656 00 57656C636F6D6520746F207468652073 91
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:10 4666 00 65637572652070726F6772616D206C6F 1D
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:10 4676 00 616465722E00506C6561736520656E74 A9
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:10 4686 00 6572207365636F6E6420737461676520 5D
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:10 4696 00 6C6F616420616464726573732E00506C 84
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:10 46A6 00 6561736520656E746572207468652073 34
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:10 46B6 00 65636F6E642073746167652070726F67 DF
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:10 46C6 00 72616D2E00506C6561736520656E7465 50
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:10 46D6 00 722070726F6772616D207369676E6174 A4
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:10 46E6 00 7572652E004C6F616420616464726573 37
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:10 46F6 00 73206F75747369646520616C6C6F7765 80
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:10 4706 00 642072616E6765206F66203078383030 BD
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:10 4716 00 302D30784630303000496E636F727265 E6
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:10 4726 00 6374207369676E61747572652C20636F 9C
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:10 4736 00 6E74696E75696E67005369676E617475 2C
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:10 4746 00 72652076616C69642C20657865637574 82
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:10 4756 00 696E67207061796C6F61640041434345 FF
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:10 4766 00 5353204752414E544544004143434553 19
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:0A 4776 00 532044454E4945440000 1D
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:10 4780 00 B6458AAE646E18722450B46348F3A09B 99
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:10 4790 00 4BE01A9E69EDC9516A0752CC17D27D6F 62
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:10 FF80 00 28452845284528452845284528452845 09
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:10 FF90 00 28452845284528452845284528450044 22
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:04 0000 03 00004400 B5
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:00 0000 01 FF
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Obj:
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0010 <__trap_interrupt>
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0010: 3041 ret
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4400 <__watchdog_support>
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4400: 5542 5c01 mov.b &0x015c, r5
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4404: 35d0 085a bis #0x5a08, r5
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4408: 8245 2024 mov r5, &0x2420
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440c <__init_stack>
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440c: 3140 0044 mov #0x4400 <__watchdog_support>, sp
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4410 <__do_copy_data>
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4410: 3f40 2000 mov #0x20, r15
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4414: 0f93 tst r15
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4416: 0824 jz #0x4428 <__do_clear_bss+0x0>
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4418: 9242 2024 5c01 mov &0x2420, &0x015c
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441e: 2f83 decd r15
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4420: 9f4f 8047 0024 mov 0x4780(r15), 0x2400(r15)
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4426: f823 jnz #0x4418 <__do_copy_data+0x8>
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4428 <__do_clear_bss>
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4428: 3f40 0000 clr r15
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442c: 0f93 tst r15
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442e: 0724 jz #0x443e <main+0x0>
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4430: 9242 2024 5c01 mov &0x2420, &0x015c
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4436: 1f83 dec r15
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4438: cf43 2024 mov.b #0x0, 0x2420(r15)
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443c: f923 jnz #0x4430 <__do_clear_bss+0x8>
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443e <main>
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; [loadaddr: 2 B][signature: 0x40 B][payload: 0x100 B]
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; void * loadaddr = 0 // >=> sp
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; char signature[0x41] // >=> sp+2
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; short payload[0x101] // >=> sp+0x43
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443e: 3150 bcfe add #0xfebc, sp
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; puts ("Welcome to the secure program loader.")
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4442: 3f40 5646 mov #0x4656 "Welcome to the secure program loader.", r15
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4446: b012 ba45 call #0x45ba <puts>
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loop:
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; void * loadaddr = 0 // >=> sp
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444a: 8143 0000 clr 0x0(sp)
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; puts ("Please enter second stage load address.")
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444e: 3f40 7c46 mov #0x467c "Please enter second stage load address.", r15
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4452: b012 ba45 call #0x45ba <puts>
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; getsn (&loadaddr, 2)
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4456: 2e43 mov #0x2, r14
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4458: 0f41 mov sp, r15
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445a: b012 9c45 call #0x459c <getsn>
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; puts ("Please enter the second stage program.")
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445e: 3f40 a446 mov #0x46a4 "Please enter the second stage program.", r15
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4462: b012 ba45 call #0x45ba <puts>
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; short payload[0x101] // >=> sp+0x43
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; memset (&payload /*sp+0x43*/, 0, 0x101)
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4466: 3d40 0101 mov #0x101, r13
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446a: 0e43 clr r14
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446c: 0f41 mov sp, r15
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446e: 3f50 4300 add #0x43, r15
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4472: b012 ea45 call #0x45ea <memset>
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; getsn (&payload /*sp+0x43*/, 0x100) // get 100 bytes into sp+0x43
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4476: 3e40 0001 mov #0x100, r14
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447a: 0f41 mov sp, r15
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447c: 3f50 4300 add #0x43, r15
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4480: b012 9c45 call #0x459c <getsn>
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; puts ("Please enter program signature.")
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4484: 3f40 cb46 mov #0x46cb "Please enter program signature.", r15
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4488: b012 ba45 call #0x45ba <puts>
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; char signature[0x41] = sp+2
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; memset(&signature /* sp+2 */, 0, 0x41)
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448c: 3d40 4100 mov #0x41, r13
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4490: 0e43 clr r14
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4492: 0f41 mov sp, r15
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4494: 2f53 incd r15
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4496: b012 ea45 call #0x45ea <memset>
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; getsn (signature /* sp+2 */, 0x40)
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449a: 3e40 4000 mov #0x40, r14
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449e: 0f41 mov sp, r15
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44a0: 2f53 incd r15
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44a2: b012 9c45 call #0x459c <getsn>
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; if (loadaddr & 0x8000 && loadaddr < 0xf001)
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44a6: 2f41 mov @sp, r15
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44a8: 0f93 tst r15
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44aa: 0334 jge #0x44b2 <main+0x74> <else_44b2>
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44ac: 3f90 01f0 cmp #0xf001, r15
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44b0: 0528 jnc #0x44bc <main+0x7e> <if_44ba>
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else_44b2:
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; puts ("Load address outside allowed range of 0x8000-0xF000")
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44b2: 3f40 eb46 mov #0x46eb "Load address outside allowed range of 0x8000-0xF000", r15
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44b6: b012 ba45 call #0x45ba <puts>
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; goto loop
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44ba: c73f jmp #0x444a <main+0xc>
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if_44ba:
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; memcpy (loadaddr, &payload, 0x100)
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44bc: 3d40 0001 mov #0x100, r13
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44c0: 0e41 mov sp, r14
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44c2: 3e50 4300 add #0x43, r14
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44c6: b012 d845 call #0x45d8 <memcpy>
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; verify_ed25519 (0x2400, &*load_address, 0x100, signature)
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44ca: 0c41 mov sp, r12
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44cc: 2c53 incd r12
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44ce: 3d40 0001 mov #0x100, r13
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44d2: 2e41 mov @sp, r14
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44d4: 3f40 0024 mov #0x2400, r15
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44d8: b012 6845 call #0x4568 <verify_ed25519>
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; if ( ^^ ) goto if@44ea
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44dc: 1f93 cmp #0x1, r15
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44de: 0524 jeq #0x44ea <main+0xac>
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else@44e0:
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; puts ("Incorrect signature, continuing")
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44e0: 3f40 1f47 mov #0x471f "Incorrect signature, continuing", r15
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44e4: b012 ba45 call #0x45ba <puts>
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; end of loop
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44e8: b03f jmp #0x444a <main+0xc>
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if@44ea:
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; puts ("Signature valid, executing payload")
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44ea: 3f40 3f47 mov #0x473f "Signature valid, executing payload", r15
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44ee: b012 ba45 call #0x45ba <puts>
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; loadaddr()
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44f2: 9112 0200 call 0x2(sp)
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; if (r15 == 0) goto ACCESS_DENIED
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44f6: 0f93 tst r15
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44f8: 0f24 jz #0x4518 <main+0xda>
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; puts ("ACCESS GRANTED")
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44fa: 3f40 6247 mov #0x4762 "ACCESS GRANTED", r15
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44fe: b012 ba45 call #0x45ba <puts>
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; INT(7f, 0, 0)
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4502: 0312 push #0x0
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4504: 0312 push #0x0
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4506: 3012 7f00 push #0x7f
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450a: b012 2c45 call #0x452c <INT>
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; exit (0)
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450e: 0f43 clr r15
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4510: 3150 4a01 add #0x14a, sp
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4514: 3040 2245 br #0x4522 <__stop_progExec__>
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ACCESS_DENIED:
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; puts ("ACCESS DENIED")
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4518: 3f40 7147 mov #0x4771 "ACCESS DENIED", r15
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451c: b012 ba45 call #0x45ba <puts>
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; goto loop
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4520: 943f jmp #0x444a <main+0xc> <loop>
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;; end main
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4522 <__stop_progExec__>
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4522: 32d0 f000 bis #0xf0, sr
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4526: fd3f jmp #0x4522 <__stop_progExec__+0x0>
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4528 <__ctors_end>
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4528: 3040 5446 br #0x4654 <_unexpected_>
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452c <INT>
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452c: 1f41 0200 mov 0x2(sp), r15
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4530: 0212 push sr
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4532: 4f4f mov.b r15, r15
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4534: 8f10 swpb r15
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4536: 3fd0 0080 bis #0x8000, r15
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453a: 024f mov r15, sr
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453c: b012 1000 call #0x10
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4540: 3241 pop sr
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4542: 3041 ret
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4544 <sha1>
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4544: 0d12 push r13
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4546: 0e12 push r14
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4548: 0f12 push r15
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454a: 3012 3000 push #0x30
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454e: b012 2c45 call #0x452c <INT>
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4552: 3152 add #0x8, sp
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4554: 3041 ret
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4556 <sha256>
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4556: 0d12 push r13
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4558: 0e12 push r14
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455a: 0f12 push r15
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455c: 3012 3100 push #0x31
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4560: b012 2c45 call #0x452c <INT>
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4564: 3152 add #0x8, sp
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4566: 3041 ret
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4568 <verify_ed25519>
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; int verify_ed25519(char * pubkey, void * load_address, size_t size, char * signature) { ...
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4568: 0b12 push r11
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456a: 0412 push r4
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; size_t result = 0; >=> sp+4
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456c: 0441 mov sp, r4
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456e: 2452 add #0x4, r4
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4570: 2183 decd sp
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4572: 8443 faff clr -0x6(r4)
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4576: 3b40 faff mov #0xfffa, r11
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457a: 0b54 add r4, r11
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; INT (pubkey, load_address, size, signature, stack_pointer);
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4576: 3b40 faff mov #0xfffa, r11
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457a: 0b54 add r4, r11
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457c: 0b12 push r11
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457e: 0c12 push r12
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4580: 0d12 push r13
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4582: 0e12 push r14
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4584: 0f12 push r15
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4586: 3012 3300 push #0x33
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458a: b012 2c45 call #0x452c <INT>
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; return result;
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458e: 1f44 faff mov -0x6(r4), r15
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4592: 3150 0e00 add #0xe, sp
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4596: 3441 pop r4
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4598: 3b41 pop r11
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459a: 3041 ret
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459c <getsn>
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459c: 0e12 push r14
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459e: 0f12 push r15
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45a0: 2312 push #0x2
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45a2: b012 2c45 call #0x452c <INT>
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45a6: 3150 0600 add #0x6, sp
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45aa: 3041 ret
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45ac <putchar> ; int putchar (int char);
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45ac: 8f11 sxt r15
|
||
|
|
45ae: 0f12 push r15
|
||
|
|
45b0: 0312 push #0x0
|
||
|
|
45b2: b012 2c45 call #0x452c <INT>
|
||
|
|
45b6: 2152 add #0x4, sp
|
||
|
|
45b8: 3041 ret
|
||
|
|
|
||
|
|
45ba <puts> ; void puts (char *str);
|
||
|
|
45ba: 0b12 push r11
|
||
|
|
; char c;
|
||
|
|
45bc: 0b4f mov r15, r11
|
||
|
|
45be: 033c jmp #0x45c6 <puts+0xc>
|
||
|
|
; str++ v
|
||
|
|
45c0: 1b53 inc r11
|
||
|
|
; putchar()
|
||
|
|
45c2: b012 ac45 call #0x45ac <putchar>
|
||
|
|
; while (c = *str) ^
|
||
|
|
45c6: 6f4b mov.b @r11, r15
|
||
|
|
45c8: 4f93 tst.b r15
|
||
|
|
45ca: fa23 jnz #0x45c0 <puts+0x6>
|
||
|
|
; putchar ('\n');
|
||
|
|
45cc: 7f40 0a00 mov.b #0xa, r15
|
||
|
|
45d0: b012 ac45 call #0x45ac <putchar>
|
||
|
|
; return (implicit)
|
||
|
|
45d4: 3b41 pop r11
|
||
|
|
45d6: 3041 ret
|
||
|
|
|
||
|
|
45d8 <memcpy>
|
||
|
|
45d8: 0c4f mov r15, r12
|
||
|
|
45da: 043c jmp #0x45e4 <memcpy+0xc>
|
||
|
|
45dc: fc4e 0000 mov.b @r14+, 0x0(r12)
|
||
|
|
45e0: 1c53 inc r12
|
||
|
|
45e2: 3d53 add #-0x1, r13
|
||
|
|
45e4: 0d93 tst r13
|
||
|
|
45e6: fa23 jnz #0x45dc <memcpy+0x4>
|
||
|
|
45e8: 3041 ret
|
||
|
|
45ea <memset>
|
||
|
|
45ea: 0b12 push r11
|
||
|
|
45ec: 0a12 push r10
|
||
|
|
45ee: 0912 push r9
|
||
|
|
45f0: 0812 push r8
|
||
|
|
45f2: 3d90 0600 cmp #0x6, r13
|
||
|
|
45f6: 092c jc #0x460a <memset+0x20>
|
||
|
|
45f8: 0c4f mov r15, r12
|
||
|
|
45fa: 043c jmp #0x4604 <memset+0x1a>
|
||
|
|
45fc: cc4e 0000 mov.b r14, 0x0(r12)
|
||
|
|
4600: 1c53 inc r12
|
||
|
|
4602: 3d53 add #-0x1, r13
|
||
|
|
4604: 0d93 tst r13
|
||
|
|
4606: fa23 jnz #0x45fc <memset+0x12>
|
||
|
|
4608: 203c jmp #0x464a <memset+0x60>
|
||
|
|
460a: 4e4e mov.b r14, r14
|
||
|
|
460c: 4b4e mov.b r14, r11
|
||
|
|
460e: 0b93 tst r11
|
||
|
|
4610: 0324 jz #0x4618 <memset+0x2e>
|
||
|
|
4612: 0c4b mov r11, r12
|
||
|
|
4614: 8c10 swpb r12
|
||
|
|
4616: 0bdc bis r12, r11
|
||
|
|
4618: 1fb3 bit #0x1, r15
|
||
|
|
461a: 0624 jz #0x4628 <memset+0x3e>
|
||
|
|
461c: 3d53 add #-0x1, r13
|
||
|
|
461e: cf4e 0000 mov.b r14, 0x0(r15)
|
||
|
|
4622: 094f mov r15, r9
|
||
|
|
4624: 1953 inc r9
|
||
|
|
4626: 013c jmp #0x462a <memset+0x40>
|
||
|
|
4628: 094f mov r15, r9
|
||
|
|
462a: 0c4d mov r13, r12
|
||
|
|
462c: 12c3 clrc
|
||
|
|
462e: 0c10 rrc r12
|
||
|
|
4630: 0a49 mov r9, r10
|
||
|
|
4632: 084c mov r12, r8
|
||
|
|
4634: 8a4b 0000 mov r11, 0x0(r10)
|
||
|
|
4638: 2a53 incd r10
|
||
|
|
463a: 3853 add #-0x1, r8
|
||
|
|
463c: fb23 jnz #0x4634 <memset+0x4a>
|
||
|
|
463e: 0c5c add r12, r12
|
||
|
|
4640: 0c59 add r9, r12
|
||
|
|
4642: 1df3 and #0x1, r13
|
||
|
|
4644: 0224 jz #0x464a <memset+0x60>
|
||
|
|
4646: cc4e 0000 mov.b r14, 0x0(r12)
|
||
|
|
464a: 3841 pop r8
|
||
|
|
464c: 3941 pop r9
|
||
|
|
464e: 3a41 pop r10
|
||
|
|
4650: 3b41 pop r11
|
||
|
|
4652: 3041 ret
|
||
|
|
4654 <_unexpected_>
|
||
|
|
4654: 0013 reti pc
|
||
|
|
4656 .strings:
|
||
|
|
4656: "Welcome to the secure program loader."
|
||
|
|
467c: "Please enter second stage load address."
|
||
|
|
46a4: "Please enter the second stage program."
|
||
|
|
46cb: "Please enter program signature."
|
||
|
|
46eb: "Load address outside allowed range of 0x8000-0xF000"
|
||
|
|
471f: "Incorrect signature, continuing"
|
||
|
|
473f: "Signature valid, executing payload"
|
||
|
|
4762: "ACCESS GRANTED"
|
||
|
|
4771: "ACCESS DENIED"
|
||
|
|
|
||
|
|
Text:
|
||
|
|
Lockitall LOCKIT 2 r A.01
|
||
|
|
______________________________________________________________________
|
||
|
|
|
||
|
|
User Manual: Lockitall LockIT 2, rev a.01
|
||
|
|
______________________________________________________________________
|
||
|
|
|
||
|
|
|
||
|
|
OVERVIEW
|
||
|
|
|
||
|
|
- Lockitall is under new management.
|
||
|
|
- The lock has been put together from bits of leftover scrap from
|
||
|
|
the old factory.
|
||
|
|
|
||
|
|
|
||
|
|
DETAILS
|
||
|
|
|
||
|
|
The LockIT 2 A.02 is the second of a new series of locks. It is
|
||
|
|
controlled by a MSP430 microcontroller. The MSP430 is a very low-
|
||
|
|
power device, chosen because we found several crates of old stock.
|
||
|
|
|
||
|
|
This lock only accepts biometric and NFC inputs, and does not have
|
||
|
|
a traditional password prompt.
|
||
|
|
|
||
|
|
To support rapid development cycles this lock accepts a program
|
||
|
|
from the old password input prompt. The program must be signed by
|
||
|
|
Lockitall, so engineering aren't concerned it will be used
|
||
|
|
maliciously. There are two programs, one of which is below in hex
|
||
|
|
format and is used in the factory to test proper lock operation.
|
||
|
|
The other program, not reproduced here, is restricted and only
|
||
|
|
available internally at Lockitall.
|
||
|
|
|
||
|
|
Load address:
|
||
|
|
8000
|
||
|
|
|
||
|
|
Program text:
|
||
|
|
3540088000450545054505450545054505450f433041
|
||
|
|
|
||
|
|
Signature:
|
||
|
|
8605e027f42368ea6bba9de66409f6a8ddedcd49614a4648281c47a7b4ad252f5
|
||
|
|
639069b17ba8ff104d371e2d8a625b038f0750667364087e7987e40ea81510f
|
||
|
|
|
||
|
|
This is Hardware Version Beta.
|
||
|
|
|
||
|
|
This is Software Revision 02.
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
(c) 2021 LOCKITALL Page 1/1
|
||
|
|
|
||
|
|
|
||
|
|
Prereqs: "Vancouver",
|
||
|
|
Name: "Cold Lake",
|
||
|
|
X: 135,
|
||
|
|
Y: 140,
|
||
|
|
Rating: 20,
|
||
|
|
Patch: ""
|