Function at 0x10256810
Capabilities:
Compute adler32 checksum

Disassembly:
push ebp
mov ebp, esp
mov ecx, dword [ebp + 8]
push ebx
mov ebx, dword [ebp + 0x10]
push esi
mov esi, ecx
shr esi, 0x10
and ecx, 0xffff
cmp ebx, 1
jne 0x1025685c
mov eax, dword [ebp + 0xc]
movzx eax, byte [eax]
add ecx, eax
cmp ecx, 0xfff1
jb 0x10256841
sub ecx, 0xfff1
add esi, ecx
cmp esi, 0xfff1
jb 0x10256851
sub esi, 0xfff1
shl esi, 0x10
or esi, ecx
mov eax, esi
pop esi
pop ebx
pop ebp
ret
push edi
mov edi, dword [ebp + 0xc]
test edi, edi
jne 0x1025686c
lea eax, [edi + 1]
pop edi
pop esi
pop ebx
pop ebp
ret
cmp ebx, 0x10
jae 0x102568ad
test ebx, ebx
je 0x10256882
movzx eax, byte [edi]
add ecx, eax
add esi, ecx
lea edi, [edi + 1]
dec ebx
jne 0x10256875
cmp ecx, 0xfff1
jb 0x10256890
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
pop ebp
ret
cmp ebx, 0x15b0
jb 0x10256996
mov eax, 0x5e6ea9af
mul ebx
shr edx, 0xb
mov dword [ebp + 8], edx
jmp 0x102568d0
sub ebx, 0x15b0
mov edx, 0x15b
jmp 0x102568e0
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 0x102568e0
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 dword [ebp + 8]
jne 0x102568d0
test ebx, ebx
je 0x10256a71
cmp ebx, 0x10
jb 0x10256a3c
mov edx, ebx
shr edx, 4
lea esp, [esp]
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 0x102569b0
test ebx, ebx
je 0x10256a4d
movzx eax, byte [edi]
add ecx, eax
add esi, ecx
lea edi, [edi + 1]
dec ebx
jne 0x10256a40
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
pop ebp
ret