Function at 0x5091b5
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x38
cmp dword [esp + 0x44], 0
push esi
mov esi, ecx
jne 0x5091c3
xor eax, eax
pop esi
add esp, 0x38
ret 0x18
mov eax, dword [esp + 0x40]
test eax, eax
jne 0x5091d5
or eax, 0xffffffff
pop esi
add esp, 0x38
ret 0x18
mov ecx, dword [esp + 0x44]
test ecx, ecx
je 0x5091cb
mov edx, dword [esp + 0x4c]
test edx, edx
je 0x5091cb
mov dword [esi + 0x414], eax
dec eax
mov dword [esi + 0x420], eax
mov dword [esi + 0x410], ecx
mov eax, 0xabeefbee
xor ecx, ecx
push edi
movzx edi, byte [ecx + str._r_n_r_naPLib_v1.01_____the_smaller_the_better_:__r_nCopyright__c__1998_2009_by_Joergen_Ibsen__All_Rights_Reserved._r_n_r_nMore_information:_http:__www.ibsensoftware.com__r_n_r_n]
rol eax, 1
xor eax, edi
movzx edi, byte [ecx + 0x802a61]
rol eax, 1
xor eax, edi
movzx edi, byte [ecx + 0x802a62]
rol eax, 1
xor eax, edi
movzx edi, byte [ecx + 0x802a63]
rol eax, 1
add ecx, 4
xor eax, edi
cmp ecx, 0x100
jb 0x509200
test eax, eax
jne 0x509bfa
push ebx
mov dword [esi], edx
lea ecx, [esi + 4]
add edx, 0x5a018
mov edi, 0x100
lea ebx, [eax + 1]
push ebp
mov dword [ecx], edx
xor eax, eax
add eax, 0
mov ebp, dword [ecx]
mov dword [ebp + eax], 0
add eax, 4
cmp eax, 0x400
jb 0x50925d
add edx, 0x400
add ecx, 4
sub edi, ebx
jne 0x509254
mov ecx, dword [esi + 0x414]
mov edx, dword [esi]
or eax, 0xffffffff
mov dword [esi + 0x424], eax
mov dword [esi + 0x408], ecx
mov dword [esi + 0x404], ebx
mov dword [esi + 0x40c], edi
mov dword [edx], edi
mov ecx, dword [esi + 0x414]
mov edx, dword [esi + 0x410]
mov dword [esi + 0x428], edi
mov cl, byte [ecx]
mov dword [esp + 0x1c], eax
mov eax, dword [esp + 0x54]
mov byte [edx], cl
add dword [esi + 0x414], ebx
add dword [esi + 0x410], ebx
dec eax
mov dword [esp + 0x10], edi
mov dword [esp + 0x18], edi
mov dword [esi + 0x41c], ebx
mov dword [esp + 0x58], ebx
cmp eax, ebx
jbe 0x509adb
lea ebx, [ebx]
mov eax, dword [esp + 0x5c]
test eax, eax
je 0x509330
mov ecx, dword [esp + 0x18]
inc ecx
mov dword [esp + 0x18], ecx
test cl, cl
jne 0x509330
mov edx, dword [esp + 0x60]
mov ecx, dword [esi + 0x410]
sub ecx, dword [esp + 0x50]
push edx
mov edx, dword [esi + 0x414]
sub edx, dword [esp + 0x50]
push ecx
mov ecx, dword [esp + 0x5c]
push edx
push ecx
call eax
add esp, 0x10
test eax, eax
je 0x509aa5
cmp ebx, dword [esp + 0x1c]
jne 0x509348
mov ebp, dword [esp + 0x44]
mov edx, dword [esp + 0x40]
mov dword [esp + 0x2c], ebp
mov dword [esp + 0x28], edx
jmp 0x509367
mov eax, dword [esp + 0x54]
mov ecx, dword [esi + 0x414]
sub eax, ebx
push eax
push ebx
push ecx
lea edx, [esp + 0x34]
push edx
mov ecx, esi
call fcn.00508ee6
mov ebp, dword [esp + 0x2c]
cmp ebp, 2
jl 0x509916
mov eax, dword [esi + 0x424]
mov dword [esp + 0x14], 0
cmp dword [esp + 0x28], eax
jne 0x5093e6
cmp edi, 1
jbe 0x5096df
cmp dword [esp + 0x38], eax
je 0x5096df
mov eax, dword [esp + 0x10]
push edi
sub ebx, edi
push ebx
push eax
mov ecx, esi
call fcn.00508889
mov ecx, dword [esp + 0x38]
push edi
push ecx
mov ecx, esi
mov ebx, eax
call fcn.00508b6a
cmp eax, ebx
jge 0x5096db
mov eax, dword [esp + 0x38]
cmp eax, 0x500
jl 0x5093d2
cmp edi, 2
je 0x5096db
cmp eax, 0x7d00
jl 0x5093e2
cmp edi, 3
je 0x5096db
mov ebx, dword [esp + 0x58]
mov eax, dword [esp + 0x54]
mov edx, dword [esi + 0x414]
sub eax, ebx
mov dword [esp + 0x20], eax
dec eax
push eax
lea ecx, [ebx + 1]
push ecx
inc edx
push edx
lea eax, [esp + 0x4c]
push eax
mov ecx, esi
call fcn.00508ee6
mov ecx, dword [esp + 0x28]
cmp dword [esp + 0x40], ecx
lea eax, [ebx + 1]
mov dword [esp + 0x1c], eax
push ebp
jl 0x509455
mov edx, ecx
push edx
mov ecx, esi
call fcn.00508b6a
mov ecx, dword [esp + 0x40]
mov dword [esp + 0x24], eax
mov eax, dword [esp + 0x44]
push eax
push ecx
mov ecx, esi
call fcn.00508b6a
mov ecx, dword [esp + 0x24]
sub ecx, eax
add ecx, ecx
mov eax, 0x38e38e39
imul ecx
sar edx, 1
mov eax, edx
shr eax, 0x1f
add eax, edx
jmp 0x509485
mov ecx, dword [esp + 0x2c]
push ecx
mov ecx, esi
call fcn.00508b6a
mov edx, dword [esp + 0x44]
mov ebx, eax
mov eax, dword [esp + 0x40]
push edx
push eax
mov ecx, esi
call fcn.00508b6a
sub ebx, eax
mov eax, ebx
mov ebx, dword [esp + 0x58]
cdq
and edx, 3
add eax, edx
sar eax, 2
add eax, dword [esp + 0x44]
cmp ebp, eax
jge 0x509495
mov dword [esp + 0x14], 1
test edi, edi
jbe 0x5094d1
cmp dword [esp + 0x44], ebp
jl 0x5094cf
mov ecx, dword [esp + 0x28]
push ebp
push ecx
mov ecx, esi
call fcn.00508b6a
mov edx, dword [esp + 0x44]
mov ebx, eax
mov eax, dword [esp + 0x40]
push edx
push eax
mov ecx, esi
call fcn.00508b6a
cmp eax, ebx
mov ebx, dword [esp + 0x58]
jge 0x5094cf
mov dword [esp + 0x14], 1
test edi, edi
jne 0x509520
cmp dword [esp + 0x44], ebp
jge 0x509520
mov ecx, dword [esi + 0x414]
push 1
push ebx
push ecx
mov ecx, esi
call fcn.00508889
mov edx, dword [esp + 0x44]
mov ebx, eax
mov eax, dword [esp + 0x40]
push edx
push eax
mov ecx, esi
call fcn.00508b6a
mov ecx, dword [esp + 0x28]
push ebp
push ecx
mov ecx, esi
lea ebx, [eax + ebx + 1]
call fcn.00508b6a
cmp ebx, eax
mov ebx, dword [esp + 0x58]
jle 0x509520
mov dword [esp + 0x14], 0
jmp 0x50952b
cmp dword [esp + 0x14], 0
jne 0x5098f9
cmp ebp, 2
jle 0x5096df
mov edx, dword [esp + 0x20]
mov eax, dword [esi + 0x414]
add edx, 0xfffffffe
push edx
add ebx, 2
push ebx
add eax, 2
push eax
lea ecx, [esp + 0x3c]
push ecx
mov ecx, esi
call fcn.00508ee6
mov eax, dword [esp + 0x30]
cmp eax, dword [esp + 0x28]
mov edx, dword [esp + 0x34]
push edx
mov ecx, esi
push eax
jl 0x50958b
call fcn.00508b6a
mov ebx, eax
mov eax, dword [esp + 0x28]
push ebp
push eax
mov ecx, esi
call fcn.00508b6a
sub eax, ebx
cdq
and edx, 3
add eax, edx
mov ecx, eax
sar ecx, 2
jmp 0x5095b5
call fcn.00508b6a
mov ebx, eax
mov eax, dword [esp + 0x28]
push ebp
push eax
mov ecx, esi
call fcn.00508b6a
mov ecx, eax
sub ecx, ebx
add ecx, ecx
mov eax, 0x2e8ba2e9
imul ecx
sar edx, 1
mov ecx, edx
shr ecx, 0x1f
add ecx, edx
mov eax, dword [esp + 0x34]
add ecx, eax
cmp ebp, ecx
jge 0x5095c7
mov dword [esp + 0x14], 1
test edi, edi
jbe 0x5095f3
cmp eax, ebp
jl 0x5095f3
mov edx, dword [esp + 0x30]
push eax
push edx
mov ecx, esi
call fcn.00508b6a
mov ebx, eax
mov eax, dword [esp + 0x28]
push ebp
push eax
mov ecx, esi
call fcn.00508b6a
cmp ebx, eax
jl 0x5098f5
cmp dword [esp + 0x14], 0
jne 0x5098f5
cmp ebp, 3
jle 0x5096db
mov ecx, dword [esp + 0x20]
mov edx, dword [esp + 0x58]
mov eax, dword [esi + 0x414]
add ecx, 0xfffffffd
push ecx
add edx, 3
push edx
add eax, 3
push eax
lea ecx, [esp + 0x3c]
push ecx
mov ecx, esi
call fcn.00508ee6
mov eax, dword [esp + 0x30]
mov edx, dword [esp + 0x34]
mov ebx, dword [esp + 0x28]
cmp eax, ebx
push edx
mov ecx, esi
push eax
jl 0x509666
call fcn.00508b6a
push ebp
push ebx
mov ecx, esi
mov dword [esp + 0x2c], eax
call fcn.00508b6a
mov ecx, dword [esp + 0x24]
sub eax, ecx
cdq
and edx, 3
add eax, edx
mov ecx, eax
sar ecx, 2
jmp 0x509692
call fcn.00508b6a
push ebp
push ebx
mov ecx, esi
mov dword [esp + 0x2c], eax
call fcn.00508b6a
mov ecx, eax
mov eax, dword [esp + 0x24]
sub ecx, eax
add ecx, ecx
mov eax, 0x2e8ba2e9
imul ecx
sar edx, 1
mov ecx, edx
shr ecx, 0x1f
add ecx, edx
mov eax, dword [esp + 0x34]
add ecx, eax
cmp ebp, ecx
jge 0x5096a4
mov dword [esp + 0x14], 1
test edi, edi
jbe 0x5096d0
cmp eax, ebp
jl 0x5096d0
mov edx, dword [esp + 0x30]
push eax
push edx
mov ecx, esi
call fcn.00508b6a
mov ebx, eax
mov eax, dword [esp + 0x28]
push ebp
push eax
mov ecx, esi
call fcn.00508b6a
cmp ebx, eax
jl 0x5098f5
cmp dword [esp + 0x14], 0
jne 0x5098f5
mov ebx, dword [esp + 0x58]
test edi, edi
je 0x509852
cmp edi, 1
jbe 0x509840
mov edx, dword [esp + 0x54]
mov ecx, edi
sub ecx, ebx
lea eax, [edx + ecx]
cmp eax, edi
jbe 0x509701
mov eax, edi
push eax
mov eax, dword [esp + 0x14]
sub ebx, edi
push ebx
push eax
lea ecx, [esp + 0x3c]
push ecx
mov ecx, esi
mov dword [esp + 0x24], ebx
call fcn.00508ee6
cmp dword [esp + 0x34], edi
jb 0x509754
mov edx, dword [esp + 0x30]
push edi
push edx
mov ecx, esi
call fcn.00508b6a
mov ebx, eax
mov eax, dword [esp + 0x38]
push edi
push eax
mov ecx, esi
call fcn.00508b6a
cmp eax, ebx
mov ebx, dword [esp + 0x14]
jle 0x509754
mov ecx, dword [esp + 0x30]
mov edx, dword [esp + 0x34]
mov dword [esp + 0x38], ecx
mov dword [esp + 0x3c], edx
mov eax, dword [esp + 0x10]
push edi
push ebx
push eax
mov ecx, esi
call fcn.00508889
mov ecx, dword [esp + 0x38]
push edi
push ecx
mov ecx, esi
mov ebx, eax
call fcn.00508b6a
cmp eax, ebx
jge 0x509820
mov ebx, dword [esp + 0x28]
cmp ebx, dword [esi + 0x424]
jne 0x5097dd
mov edx, dword [esp + 0x14]
mov eax, dword [esp + 0x10]
push edi
push edx
push eax
mov ecx, esi
call fcn.00508889
push ebp
push ebx
mov ecx, esi
mov dword [esp + 0x2c], eax
call fcn.00508b6a
mov ecx, dword [esp + 0x24]
add ecx, eax
mov edx, ebx
push ebp
inc edx
mov dword [esp + 0x28], ecx
push edx
mov ecx, esi
call fcn.00508b6a
mov ebx, eax
mov eax, dword [esp + 0x38]
push edi
push eax
mov ecx, esi
call fcn.00508b6a
mov ebp, dword [esp + 0x2c]
add ebx, eax
mov eax, dword [esp + 0x24]
cmp eax, ebx
mov ebx, dword [esp + 0x58]
jle 0x509824
jmp 0x5097e1
mov ebx, dword [esp + 0x58]
mov eax, dword [esp + 0x38]
cmp eax, dword [esi + 0x424]
jne 0x5097f6
cmp dword [esi + 0x428], 0
je 0x509811
cmp eax, 0x500
jl 0x509802
cmp edi, 2
je 0x509824
cmp dword [esp + 0x38], 0x7d00
jl 0x509811
cmp edi, 3
je 0x509824
mov ecx, dword [esp + 0x38]
push edi
push ecx
mov ecx, esi
call fcn.00508bec
jmp 0x509850
mov ebx, dword [esp + 0x58]
mov eax, dword [esp + 0x10]
mov edx, ebx
sub edx, edi
push edx
push eax
mov ecx, esi
call fcn.005088e2
inc dword [esp + 0x10]
sub edi, 1
jne 0x509824
jmp 0x509852
mov edx, dword [esp + 0x10]
lea ecx, [ebx - 1]
push ecx
push edx
mov ecx, esi
call fcn.005088e2
xor edi, edi
cmp ebp, 3
jg 0x5098dc
mov eax, dword [esi + 0x414]
push ebp
push ebx
push eax
mov ecx, esi
call fcn.00508889
mov ecx, dword [esp + 0x28]
push ebp
push ecx
mov ecx, esi
mov ebx, eax
call fcn.00508b6a
cmp eax, ebx
jg 0x5098a6
mov eax, dword [esp + 0x28]
cmp eax, dword [esi + 0x424]
jne 0x509893
cmp dword [esi + 0x428], 0
je 0x5098d8
cmp eax, 0x500
jl 0x50989f
cmp ebp, 2
je 0x5098a6
cmp eax, 0x7d00
jl 0x5098d8
mov ebx, dword [esp + 0x58]
mov dword [esp + 0x14], ebp
test ebp, ebp
je 0x5098d2
mov edx, dword [esi + 0x414]
push ebx
push edx
mov ecx, esi
call fcn.005088e2
mov eax, 1
add dword [esi + 0x414], eax
sub dword [esp + 0x14], eax
jne 0x5098b2
lea ebx, [ebp + ebx - 1]
jmp 0x509932
mov ebx, dword [esp + 0x58]
mov eax, dword [esp + 0x28]
push ebp
push eax
mov ecx, esi
call fcn.00508bec
add dword [esi + 0x414], ebp
lea ebx, [ebp + ebx - 1]
jmp 0x509932
mov ebx, dword [esp + 0x58]
test edi, edi
jne 0x509913
mov ecx, dword [esp + 0x28]
mov edx, dword [esi + 0x414]
mov dword [esp + 0x3c], ebp
mov dword [esp + 0x38], ecx
mov dword [esp + 0x10], edx
inc edi
jmp 0x50992c
test edi, edi
je 0x50991d
inc edi
jmp 0x50992c
mov eax, dword [esi + 0x414]
push ebx
push eax
mov ecx, esi
call fcn.005088e2
inc dword [esi + 0x414]
test edi, edi
je 0x509a25
cmp edi, dword [esp + 0x3c]
jne 0x509a25
mov edx, dword [esp + 0x54]
mov ecx, edi
sub ecx, ebx
lea eax, [edx + ecx]
cmp eax, edi
jbe 0x509955
mov eax, edi
push eax
mov eax, dword [esp + 0x14]
mov ebp, ebx
sub ebp, edi
push ebp
push eax
lea ecx, [esp + 0x3c]
push ecx
mov ecx, esi
mov dword [esp + 0x24], ebp
call fcn.00508ee6
cmp dword [esp + 0x34], edi
jb 0x5099aa
mov edx, dword [esp + 0x30]
push edi
push edx
mov ecx, esi
call fcn.00508b6a
mov ebp, eax
mov eax, dword [esp + 0x38]
push edi
push eax
mov ecx, esi
call fcn.00508b6a
cmp eax, ebp
mov ebp, dword [esp + 0x14]
jle 0x5099aa
mov ecx, dword [esp + 0x30]
mov edx, dword [esp + 0x34]
mov dword [esp + 0x38], ecx
mov dword [esp + 0x3c], edx
mov eax, dword [esp + 0x10]
push edi
push ebp
push eax
mov ecx, esi
call fcn.00508889
mov ecx, dword [esp + 0x38]
push edi
push ecx
mov ecx, esi
mov ebp, eax
call fcn.00508b6a
cmp eax, ebp
jge 0x509a05
mov eax, dword [esp + 0x38]
cmp eax, dword [esi + 0x424]
jne 0x5099e0
cmp dword [esi + 0x428], 0
je 0x5099f8
cmp eax, 0x500
jl 0x5099ec
cmp edi, 2
je 0x509a05
cmp eax, 0x7d00
jl 0x5099f8
cmp edi, 3
je 0x509a05
push edi
push eax
mov ecx, esi
call fcn.00508bec
xor edi, edi
jmp 0x509a25
mov ebp, dword [esp + 0x10]
add eax, 0
mov edx, ebx
sub edx, edi
push edx
push ebp
mov ecx, esi
call fcn.005088e2
inc ebp
sub edi, 1
jne 0x509a0e
mov dword [esp + 0x10], ebp
mov eax, dword [esp + 0x54]
inc ebx
dec eax
mov dword [esp + 0x58], ebx
cmp ebx, eax
jb 0x5092ee
test edi, edi
je 0x509adb
cmp edi, 1
jbe 0x509acb
mov ecx, dword [esp + 0x10]
push edi
mov eax, ebx
sub eax, edi
push eax
push ecx
mov ecx, esi
call fcn.00508889
mov edx, dword [esp + 0x38]
push edi
push edx
mov ecx, esi
mov ebp, eax
call fcn.00508b6a
cmp eax, ebp
jg 0x509ab2
mov eax, dword [esp + 0x38]
cmp eax, dword [esi + 0x424]
jne 0x509a82
cmp dword [esi + 0x428], 0
je 0x509a9a
cmp eax, 0x500
jl 0x509a8e
cmp edi, 2
je 0x509ab2
cmp eax, 0x7d00
jl 0x509a9a
cmp edi, 3
je 0x509ab2
push edi
push eax
mov ecx, esi
call fcn.00508bec
jmp 0x509adb
pop ebp
pop ebx
pop edi
or eax, 0xffffffff
pop esi
add esp, 0x38
ret 0x18
mov ebp, dword [esp + 0x10]
mov eax, ebx
sub eax, edi
push eax
push ebp
mov ecx, esi
call fcn.005088e2
inc ebp
sub edi, 1
jne 0x509ab6
jmp 0x509adb
mov edx, dword [esp + 0x10]
lea ecx, [ebx - 1]
push ecx
push edx
mov ecx, esi
call fcn.005088e2
mov edi, dword [esp + 0x54]
mov ebp, 1
cmp ebx, edi
jae 0x509b09
lea ebx, [ebx]
mov eax, dword [esi + 0x414]
push ebx
push eax
mov ecx, esi
call fcn.005088e2
add dword [esi + 0x414], ebp
add ebx, ebp
cmp ebx, edi
jb 0x509aee
or ebx, 0xffffffff
add dword [esi + 0x41c], ebx
lea ecx, [ebx + 9]
jne 0x509b30
mov eax, dword [esi + 0x410]
mov dword [esi + 0x418], eax
inc eax
mov dword [esi + 0x41c], ecx
mov dword [esi + 0x410], eax
mov eax, dword [esi + 0x418]
mov dl, byte [eax]
add dl, dl
inc dl
mov byte [eax], dl
add dword [esi + 0x41c], ebx
jne 0x509b5f
mov eax, dword [esi + 0x410]
mov dword [esi + 0x418], eax
inc eax
mov dword [esi + 0x41c], ecx
mov dword [esi + 0x410], eax
mov eax, dword [esi + 0x418]
mov dl, byte [eax]
add dl, dl
inc dl
mov byte [eax], dl
add dword [esi + 0x41c], ebx
jne 0x509b8e
mov eax, dword [esi + 0x410]
mov dword [esi + 0x418], eax
inc eax
mov dword [esi + 0x41c], ecx
mov dword [esi + 0x410], eax
mov eax, dword [esi + 0x418]
shl byte [eax], 1
mov eax, dword [esi + 0x410]
mov byte [eax], 0
mov ecx, dword [esi + 0x41c]
mov eax, dword [esi + 0x418]
add dword [esi + 0x410], ebp
sub ecx, ebp
shl byte [eax], cl
mov eax, dword [esp + 0x5c]
test eax, eax
je 0x509bee
mov ecx, dword [esp + 0x60]
mov edx, dword [esi + 0x410]
sub edx, dword [esp + 0x50]
push ecx
mov ecx, dword [esi + 0x414]
sub ecx, dword [esp + 0x50]
push edx
push ecx
push edi
call eax
add esp, 0x10
test eax, eax
jne 0x509bee
pop ebp
mov eax, ebx
pop ebx
pop edi
pop esi
add esp, 0x38
ret 0x18
mov eax, dword [esi + 0x410]
sub eax, dword [esp + 0x50]
pop ebp
pop ebx
pop edi
pop esi
add esp, 0x38
ret 0x18