Function at 0x4c0fb0
Capabilities:
Compute adler32 checksum

Disassembly:
mov ecx, dword [esp + 4]
push ebx
mov ebx, dword [esp + 0x10]
push esi
mov esi, ecx
shr esi, 0x10
and ecx, 0xffff
cmp ebx, 1
jne 0x4c0ffb
mov eax, dword [esp + 0x10]
movzx eax, byte [eax]
add ecx, eax
cmp ecx, 0xfff1
jb 0x4c0fe1
sub ecx, 0xfff1
add esi, ecx
cmp esi, 0xfff1
jb 0x4c0ff1
sub esi, 0xfff1
shl esi, 0x10
or esi, ecx
mov eax, esi
pop esi
pop ebx
ret
push edi
mov edi, dword [esp + 0x14]
test edi, edi
jne 0x4c100b
lea eax, [edi + 1]
pop edi
pop esi
pop ebx
ret
cmp ebx, 0x10
jae 0x4c104b
test ebx, ebx
je 0x4c1021
movzx eax, byte [edi]
add ecx, eax
add esi, ecx
lea edi, [edi + 1]
dec ebx
jne 0x4c1014
cmp ecx, 0xfff1
jb 0x4c102f
sub ecx, 0xfff1
mov eax, 0x80078071
mul esi
shr edx, 0xf
mov eax, edx
shl eax, 4
sub eax, edx
add eax, esi
pop edi
shl eax, 0x10
pop esi
or eax, ecx
pop ebx
ret
cmp ebx, 0x15b0
jb 0x4c1135
mov eax, 0x5e6ea9af
mul ebx
push ebp
mov ebp, edx
shr ebp, 0xb
jmp 0x4c1070
sub ebx, 0x15b0
mov edx, 0x15b
jmp 0x4c1080
movzx eax, byte [edi]
add ecx, eax
movzx eax, byte [edi + 1]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 2]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 3]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 4]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 5]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 6]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 7]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 8]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 9]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 0xa]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 0xb]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 0xc]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 0xd]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 0xe]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 0xf]
add esi, ecx
add ecx, eax
add esi, ecx
add edi, 0x10
dec edx
jne 0x4c1080
mov eax, 0x80078071
mul ecx
shr edx, 0xf
imul edx, edx, 0xffff000f
add ecx, edx
mov eax, 0x80078071
mul esi
shr edx, 0xf
imul edx, edx, 0xffff000f
add esi, edx
dec ebp
jne 0x4c1070
pop ebp
test ebx, ebx
je 0x4c1211
cmp ebx, 0x10
jb 0x4c11dc
mov edx, ebx
shr edx, 4
jmp 0x4c1150
movzx eax, byte [edi]
add ecx, eax
movzx eax, byte [edi + 1]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 2]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 3]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 4]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 5]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 6]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 7]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 8]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 9]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 0xa]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 0xb]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 0xc]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 0xd]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 0xe]
add esi, ecx
add ecx, eax
movzx eax, byte [edi + 0xf]
add esi, ecx
add ecx, eax
sub ebx, 0x10
add esi, ecx
add edi, 0x10
dec edx
jne 0x4c1150
test ebx, ebx
je 0x4c11ed
movzx eax, byte [edi]
add ecx, eax
add esi, ecx
lea edi, [edi + 1]
dec ebx
jne 0x4c11e0
mov eax, 0x80078071
mul ecx
shr edx, 0xf
imul edx, edx, 0xffff000f
add ecx, edx
mov eax, 0x80078071
mul esi
shr edx, 0xf
imul edx, edx, 0xffff000f
add esi, edx
shl esi, 0x10
or esi, ecx
pop edi
mov eax, esi
pop esi
pop ebx
ret