Function at 0x43d9d0
Capabilities:
Encode data using xor
Hash data using sha1

Disassembly:
push ebx
push esi
push edi
push ebp
add esp, 0xfffffea4
mov dword [esp], eax
lea edx, [esp + 0x1c]
mov eax, dword [esp]
add eax, 0x20
mov ecx, 0x40
call fcn.00407790
mov ecx, 0x10
lea eax, [esp + 0x1c]
mov edx, dword [eax]
mov ebx, edx
shr ebx, 0x18
mov esi, edx
shl esi, 0x18
or ebx, esi
mov esi, edx
shr esi, 8
and esi, 0xff00
or ebx, esi
shl edx, 8
and edx, 0xff0000
or ebx, edx
mov dword [eax], ebx
add eax, 4
dec ecx
jne 0x43d9fa
mov ecx, 0x40
lea eax, [esp + 0x50]
mov edx, dword [eax]
xor edx, dword [eax - 0x14]
xor edx, dword [eax - 0x2c]
xor edx, dword [eax - 0x34]
mov ebx, edx
add ebx, ebx
shr edx, 0x1f
or ebx, edx
mov dword [eax + 0xc], ebx
add eax, 4
dec ecx
jne 0x43da31
mov edx, dword [esp]
mov edx, dword [edx]
mov eax, dword [esp]
mov eax, dword [eax + 4]
mov ebx, dword [esp]
mov ebx, dword [ebx + 8]
mov ecx, dword [esp]
mov ecx, dword [ecx + 0xc]
mov dword [esp + 4], ecx
mov ecx, dword [esp]
mov ecx, dword [ecx + 0x10]
mov dword [esp + 8], ecx
mov ecx, 0x14
lea esi, [esp + 0x1c]
mov dword [esp + 0xc], esi
mov esi, edx
shl esi, 5
mov edi, edx
shr edi, 0x1b
or esi, edi
mov edi, eax
and edi, ebx
mov ebp, eax
not ebp
and ebp, dword [esp + 4]
or edi, ebp
add esi, edi
add esi, dword [esp + 8]
mov edi, dword [esp + 0xc]
add esi, dword [edi]
add esi, 0x5a827999
mov edi, dword [esp + 4]
mov dword [esp + 8], edi
mov dword [esp + 4], ebx
mov ebx, eax
shl ebx, 0x1e
shr eax, 2
or ebx, eax
mov eax, edx
mov edx, esi
add dword [esp + 0xc], 4
dec ecx
jne 0x43da80
mov ecx, 0x14
lea esi, [esp + 0x6c]
mov dword [esp + 0x10], esi
mov esi, edx
shl esi, 5
mov edi, edx
shr edi, 0x1b
or esi, edi
mov edi, eax
xor edi, ebx
xor edi, dword [esp + 4]
add esi, edi
add esi, dword [esp + 8]
mov edi, dword [esp + 0x10]
add esi, dword [edi]
add esi, 0x6ed9eba1
mov edi, dword [esp + 4]
mov dword [esp + 8], edi
mov dword [esp + 4], ebx
mov ebx, eax
shl ebx, 0x1e
shr eax, 2
or ebx, eax
mov eax, edx
mov edx, esi
add dword [esp + 0x10], 4
dec ecx
jne 0x43dadb
mov ecx, 0x14
lea esi, [esp + 0xbc]
mov dword [esp + 0x14], esi
mov esi, edx
shl esi, 5
mov edi, edx
shr edi, 0x1b
or esi, edi
mov edi, eax
and edi, ebx
mov ebp, eax
and ebp, dword [esp + 4]
or edi, ebp
mov ebp, ebx
and ebp, dword [esp + 4]
or edi, ebp
add esi, edi
add esi, dword [esp + 8]
mov edi, dword [esp + 0x14]
add esi, dword [edi]
add esi, 0x8f1bbcdc
mov edi, dword [esp + 4]
mov dword [esp + 8], edi
mov dword [esp + 4], ebx
mov ebx, eax
shl ebx, 0x1e
shr eax, 2
or ebx, eax
mov eax, edx
mov edx, esi
add dword [esp + 0x14], 4
dec ecx
jne 0x43db33
mov ecx, 0x14
lea esi, [esp + 0x10c]
mov dword [esp + 0x18], esi
mov esi, edx
shl esi, 5
mov edi, edx
shr edi, 0x1b
or esi, edi
mov edi, eax
xor edi, ebx
xor edi, dword [esp + 4]
add esi, edi
add esi, dword [esp + 8]
mov edi, dword [esp + 0x18]
add esi, dword [edi]
add esi, 0xca62c1d6
mov edi, dword [esp + 4]
mov dword [esp + 8], edi
mov dword [esp + 4], ebx
mov ebx, eax
shl ebx, 0x1e
shr eax, 2
or ebx, eax
mov eax, edx
mov edx, esi
add dword [esp + 0x18], 4
dec ecx
jne 0x43db97
mov ecx, dword [esp]
add dword [ecx], edx
mov edx, dword [esp]
add dword [edx + 4], eax
mov eax, dword [esp]
add dword [eax + 8], ebx
mov eax, dword [esp]
mov edx, dword [esp + 4]
add dword [eax + 0xc], edx
mov eax, dword [esp]
mov edx, dword [esp + 8]
add dword [eax + 0x10], edx
mov eax, dword [esp]
add eax, 0x20
xor ecx, ecx
mov edx, 0x40
call fcn.00407d90
add esp, 0x15c
pop ebp
pop edi
pop esi
pop ebx
ret