Function at 0x580484
Capabilities:
Encrypt data using speck

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x34
push ebx
xor ebx, ebx
test byte [ebp + 0x10], 0x80
push esi
push edi
mov esi, eax
mov dword [ebp - 0x24], ebx
mov dword [ebp - 0x28], ebx
mov byte [ebp - 2], bl
mov dword [ebp - 0x34], 0xc
mov dword [ebp - 0x30], ebx
je 0x5804b3
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x5804bd
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00575ffd
test eax, eax
pop ecx
je 0x5804d8
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0057840e
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0057723d
test eax, eax
pop ecx
je 0x5804f3
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0057840e
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x580510
test ecx, 0x74000
jne 0x58050c
cmp dword [ebp - 0x24], eax
je 0x580510
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x58056a
dec eax
je 0x580554
dec eax
je 0x58054f
call fcn.0057468d
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0057467a
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0057850a
add esp, 0x14
jmp 0x580b1c
mov dword [ebp - 8], edx
jmp 0x58056d
test cl, 8
je 0x580561
test ecx, 0x70000
jne 0x58054f
mov dword [ebp - 8], 0x40000000
jmp 0x58056d
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x5805ae
sub eax, ecx
je 0x5805a5
sub eax, ecx
je 0x58059c
sub eax, ecx
je 0x580593
sub eax, 0x40
jne 0x580529
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x5805b1
mov dword [ebp - 0x10], 3
jmp 0x5805b1
mov dword [ebp - 0x10], 2
jmp 0x5805b1
mov dword [ebp - 0x10], 1
jmp 0x5805b1
mov dword [ebp - 0x10], ebx
mov eax, dword [ebp + 0x10]
mov edx, 0x700
and eax, edx
mov ecx, 0x400
cmp eax, ecx
mov edi, 0x100
jg 0x580604
je 0x5805fb
cmp eax, ebx
je 0x5805fb
cmp eax, edi
je 0x5805f2
cmp eax, 0x200
je 0x580677
cmp eax, 0x300
jne 0x580529
mov dword [ebp - 0x14], 2
jmp 0x580621
mov dword [ebp - 0x14], 4
jmp 0x580621
mov dword [ebp - 0x14], 3
jmp 0x580621
cmp eax, 0x500
je 0x58061a
cmp eax, 0x600
je 0x580677
cmp eax, edx
jne 0x580529
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x580645
mov ecx, dword [0x1003e988]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x580645
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x580661
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x580661
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x58066a
or dword [ebp - 0xc], edi
test al, 0x20
je 0x580680
or dword [ebp - 0xc], 0x8000000
jmp 0x58068b
mov dword [ebp - 0x14], 5
jmp 0x580621
test al, 0x10
je 0x58068b
or dword [ebp - 0xc], 0x10000000
call fcn.0057655f
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x5806b1
call fcn.0057468d
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0057467a
mov dword [eax], 0x18
jmp 0x58073f
mov eax, dword [ebp + 8]
mov edi, dword [0x10029014]
push ebx
push dword [ebp - 0xc]
mov dword [eax], 1
push dword [ebp - 0x14]
lea eax, [ebp - 0x34]
push eax
push dword [ebp - 0x10]
push dword [ebp - 8]
push dword [ebp + 0xc]
call edi
cmp eax, 0xffffffff
mov dword [ebp - 0x1c], eax
jne 0x58074b
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x580717
test byte [ebp + 0x10], 1
je 0x580717
and dword [ebp - 8], 0x7fffffff
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x34]
push dword [ebp - 0x14]
push eax
push dword [ebp - 0x10]
push dword [ebp - 8]
push dword [ebp + 0xc]
call edi
cmp eax, 0xffffffff
mov dword [ebp - 0x1c], eax
jne 0x58074b
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x10045f60]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [0x100290b4]
push eax
call fcn.005746a0
pop ecx
call fcn.0057467a
mov eax, dword [eax]
jmp 0x580bd8
push dword [ebp - 0x1c]
call dword [0x10029108]
cmp eax, ebx
jne 0x58079c
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x10045f60]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [0x100290b4]
mov esi, eax
push esi
call fcn.005746a0
pop ecx
push dword [ebp - 0x1c]
call dword [0x1002906c]
cmp esi, ebx
jne 0x58073f
call fcn.0057467a
mov dword [eax], 0xd
jmp 0x58073f
cmp eax, 2
jne 0x5807a7
or byte [ebp - 1], 0x40
jmp 0x5807b0
cmp eax, 3
jne 0x5807b0
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0057632e
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x10045f60]
pop ecx
pop ecx
mov cl, byte [ebp - 1]
or cl, 1
mov byte [edx + eax + 4], cl
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x10045f60]
lea eax, [edx + eax + 0x24]
and byte [eax], 0x80
mov byte [ebp - 3], cl
and byte [ebp - 3], 0x48
mov byte [ebp - 1], cl
jne 0x580885
test cl, 0x80
je 0x580955
test byte [ebp + 0x10], 2
je 0x580885
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0057b94c
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x580844
call fcn.0057468d
cmp dword [eax], 0x83
je 0x580885
push dword [esi]
call fcn.0057b7bf
jmp 0x58073e
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0057d6b3
add esp, 0xc
test eax, eax
jne 0x580875
cmp byte [ebp - 4], 0x1a
jne 0x580875
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00581944
add esp, 0xc
cmp eax, edi
je 0x580838
push ebx
push ebx
push dword [esi]
call fcn.0057b94c
add esp, 0xc
cmp eax, edi
je 0x580838
test byte [ebp - 1], 0x80
je 0x580955
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x5808ad
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x5808aa
or dword [ebp + 0x10], edi
jmp 0x5808ad
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x5808fa
cmp eax, 0x10000
je 0x5808e6
cmp eax, 0x14000
je 0x5808e6
cmp eax, 0x20000
je 0x5808f4
cmp eax, 0x24000
je 0x5808f4
cmp eax, 0x40000
je 0x5808e0
cmp eax, 0x44000
jne 0x5808fd
mov byte [ebp - 2], 1
jmp 0x5808fd
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x5808fd
mov byte [ebp - 2], 2
jmp 0x5808fd
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x580955
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x580955
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x580aaf
cmp eax, 0x80000000
je 0x580a76
cmp eax, ecx
jne 0x580955
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x580955
cmp eax, 2
jbe 0x580b57
cmp eax, 4
jbe 0x580a48
cmp eax, 5
je 0x580b57
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10045f60]
lea eax, [ecx + eax + 0x24]
mov cl, byte [eax]
xor cl, byte [ebp - 2]
and cl, 0x7f
xor byte [eax], cl
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10045f60]
lea eax, [ecx + eax + 0x24]
mov ecx, dword [ebp + 0x10]
mov dl, byte [eax]
shr ecx, 0x10
shl cl, 7
and dl, 0x7f
or cl, dl
cmp byte [ebp - 3], bl
mov byte [eax], cl
jne 0x5809c7
test byte [ebp + 0x10], 8
je 0x5809c7
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10045f60]
lea eax, [ecx + eax + 4]
or byte [eax], 0x20
mov edi, dword [ebp - 8]
mov eax, 0xc0000000
mov ecx, edi
and ecx, eax
cmp ecx, eax
jne 0x580bd6
test byte [ebp + 0x10], 1
je 0x580bd6
push dword [ebp - 0x1c]
call dword [0x1002906c]
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x34]
push 3
push eax
push dword [ebp - 0x10]
and edi, 0x7fffffff
push edi
push dword [ebp + 0xc]
call dword [0x10029014]
cmp eax, 0xffffffff
jne 0x580bbf
call dword [0x100290b4]
push eax
call fcn.005746a0
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10045f60]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.005763ab
pop ecx
jmp 0x58073e
push 2
push ebx
push ebx
push dword [esi]
call fcn.0057f31f
add esp, 0x10
or eax, edx
je 0x580b57
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0057f31f
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x580838
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0057d6b3
add esp, 0xc
cmp eax, 0xffffffff
je 0x580838
cmp eax, 2
je 0x580afb
cmp eax, 3
jne 0x580b49
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x580afb
mov byte [ebp - 2], 1
jmp 0x580955
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x580955
cmp eax, 2
jbe 0x580b57
cmp eax, 4
ja 0x58094c
push 2
push ebx
push ebx
push dword [esi]
call fcn.0057f31f
add esp, 0x10
or eax, edx
je 0x580b57
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0057f31f
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x580955
jmp 0x580838
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x580b23
push dword [esi]
call fcn.0057b7bf
pop ecx
call fcn.0057467a
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x580bd8
cmp eax, 0xfeff
jne 0x580b49
push ebx
push 2
push dword [esi]
call fcn.0057b94c
add esp, 0xc
cmp eax, 0xffffffff
je 0x580838
mov byte [ebp - 2], 2
jmp 0x580955
push ebx
push ebx
push dword [esi]
call fcn.0057b94c
add esp, 0xc
jmp 0x580aed
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x580b77
dec eax
jne 0x580955
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x580b85
mov dword [ebp - 0x18], 0xbfbbef
mov dword [ebp - 0x14], 3
mov eax, dword [ebp - 0x14]
sub eax, edi
push eax
lea eax, [ebp + edi - 0x18]
push eax
push dword [esi]
call fcn.0057cfad
add esp, 0xc
cmp eax, 0xffffffff
je 0x580bab
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x580b85
jmp 0x580955
push dword [esi]
call fcn.0057b7bf
pop ecx
call fcn.0057467a
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x580bd8
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10045f60]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret