Function at 0x10013860
Capabilities:
Compute adler32 checksum

Disassembly:
push rbx
mov r10d, ecx
mov r11, rdx
movzx r9d, cx
shr r10d, 0x10
cmp r8d, 1
jne 0x100138af
movzx eax, byte [rdx]
add r9d, eax
cmp r9d, 0xfff1
jb 0x1001388c
add r9d, 0xffff000f
add r10d, r9d
cmp r10d, 0xfff1
jb 0x10013b5c
add r10d, 0xffff000f
shl r10d, 0x10
or r10d, r9d
mov eax, r10d
pop rbx
ret
test rdx, rdx
jne 0x100138b9
lea eax, [rdx + 1]
pop rbx
ret
cmp r8d, 0x10
jae 0x1001390e
test r8d, r8d
je 0x100138e4
nop
nop
nop
movzx eax, byte [r11]
add r11, 1
add r9d, eax
add r10d, r9d
add r8d, 0xffffffff
jne 0x100138d0
cmp r9d, 0xfff1
jb 0x100138f4
add r9d, 0xffff000f
mov eax, 0x80078071
mul r10d
shr edx, 0xf
imul edx, edx, 0xf
lea eax, [r10 + rdx]
shl eax, 0x10
or eax, r9d
pop rbx
ret
cmp r8d, 0x15b0
jb 0x10013a2e
mov eax, 0x5e6ea9af
mul r8d
shr edx, 0xb
mov ebx, edx
nop
nop
add r8d, 0xffffea50
mov ecx, 0x15b
nop
movzx eax, byte [r11]
add r11, 0x10
add r9d, eax
movzx eax, byte [r11 - 0xf]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 0xe]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 0xd]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 0xc]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 0xb]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 0xa]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 9]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 8]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 7]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 6]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 5]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 4]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 3]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 2]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 1]
add r10d, r9d
add r9d, eax
add r10d, r9d
add ecx, 0xffffffff
jne 0x10013940
mov eax, 0x80078071
mul r9d
mov eax, 0x80078071
shr edx, 0xf
imul edx, edx, 0xffff000f
add r9d, edx
mul r10d
shr edx, 0xf
imul edx, edx, 0xffff000f
add r10d, edx
sub rbx, 1
jne 0x10013930
test r8d, r8d
je 0x10013b5c
cmp r8d, 0x10
jb 0x10013b11
mov ecx, r8d
shr rcx, 4
nop
nop
movzx eax, byte [r11]
add r8d, 0xfffffff0
add r11, 0x10
add r9d, eax
movzx eax, byte [r11 - 0xf]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 0xe]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 0xd]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 0xc]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 0xb]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 0xa]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 9]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 8]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 7]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 6]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 5]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 4]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 3]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 2]
add r10d, r9d
add r9d, eax
movzx eax, byte [r11 - 1]
add r10d, r9d
add r9d, eax
add r10d, r9d
sub rcx, 1
jne 0x10013a50
test r8d, r8d
je 0x10013b34
nop
nop
nop
movzx eax, byte [r11]
add r11, 1
add r9d, eax
add r10d, r9d
add r8d, 0xffffffff
jne 0x10013b20
mov eax, 0x80078071
mul r9d
mov eax, 0x80078071
shr edx, 0xf
imul edx, edx, 0xffff000f
add r9d, edx
mul r10d
shr edx, 0xf
imul edx, edx, 0xffff000f
add r10d, edx
shl r10d, 0x10
or r10d, r9d
mov eax, r10d
pop rbx
ret