Function at 0x687ac0
Capabilities:
Encode data using xor

Disassembly:
mov eax, 0x48
call fcn.005f3e50
mov eax, dword [0x977070]
xor eax, esp
mov dword [esp + 0x44], eax
mov eax, dword [esp + 0x4c]
push esi
mov esi, dword [esp + 0x54]
mov dword [esp + 4], eax
test esi, esi
je 0x687e30
cmp dword [0x98ed34], 0
push ebx
push ebp
push edi
je 0x687b47
lea eax, [esp + 0x18]
push eax
call fcn.00662ed0
push 0xdf
push str..crypto_randmd_rand.c
push 0x13
push 5
call fcn.006632e0
lea eax, [esp + 0x2c]
push eax
push 0x98f164
call fcn.00662e60
neg eax
push 0xe1
push str..crypto_randmd_rand.c
sbb ebx, ebx
push 0x13
inc ebx
push 6
mov dword [esp + 0x40], ebx
call fcn.006632e0
add esp, 0x2c
test ebx, ebx
jne 0x687b63
jmp 0x687b4d
xor ebx, ebx
mov dword [esp + 0x14], ebx
push 0xe6
push str..crypto_randmd_rand.c
push 0x12
push 9
call fcn.006632e0
add esp, 0x10
mov ecx, dword [0x98ed1c]
mov edi, ecx
mov eax, dword [0x98ed20]
add ecx, esi
mov ebp, dword [0x98ed24]
mov dword [esp + 0x20], eax
mov eax, dword [0x98ed4c]
mov dword [esp + 0x24], ebp
mov dword [esp + 0x50], eax
mov dword [0x98ed1c], ecx
movups xmm0, xmmword [0x98ed3c]
movups xmmword [esp + 0x40], xmm0
cmp ecx, 0x3ff
jb 0x687bcf
mov eax, 0x401005
mov dword [0x98ed18], 0x3ff
mul ecx
mov eax, ecx
sub eax, edx
shr eax, 1
add eax, edx
shr eax, 9
imul eax, eax, 0xfffffc01
add ecx, eax
mov dword [0x98ed1c], ecx
jmp 0x687be5
mov eax, dword [0x98ed18]
cmp eax, 0x3ff
jae 0x687be5
cmp ecx, eax
cmova eax, ecx
mov dword [0x98ed18], eax
mov ecx, dword [esp + 0x60]
mov eax, 0x66666667
imul esi
sar edx, 3
mov esi, edx
shr esi, 0x1f
add esi, edx
lea eax, [esi + esi*4]
shl eax, 2
sub ecx, eax
xor eax, eax
test ecx, ecx
setg al
add eax, esi
add ebp, eax
mov dword [0x98ed24], ebp
test ebx, ebx
jne 0x687c2d
push 0x106
push str..crypto_randmd_rand.c
push 0x12
push 0xa
call fcn.006632e0
add esp, 0x10
lea eax, [esp + 0x28]
push eax
call fcn.00654190
mov eax, dword [esp + 0x64]
add esp, 4
mov dword [esp + 0x18], 0
test eax, eax
jle 0x687d8d
mov ebp, eax
mov eax, 0x14
cmp ebp, 0x14
mov esi, ebp
push 0
cmovg esi, eax
call fcn.006542b0
push eax
lea eax, [esp + 0x30]
push eax
call fcn.00653d70
add esp, 0xc
test eax, eax
je 0x687e20
push 0x14
lea eax, [esp + 0x44]
push eax
lea eax, [esp + 0x30]
push eax
call fcn.00653f20
add esp, 0xc
test eax, eax
je 0x687e20
lea ebx, [edi - 0x3ff]
add ebx, esi
test ebx, ebx
jle 0x687ccb
mov eax, esi
sub eax, ebx
push eax
lea eax, [edi + 0x98ed50]
push eax
lea eax, [esp + 0x30]
push eax
call fcn.00653f20
add esp, 0xc
test eax, eax
je 0x687e20
push ebx
push 0x98ed50
jmp 0x687cd3
push esi
lea eax, [edi + 0x98ed50]
push eax
lea eax, [esp + 0x30]
push eax
call fcn.00653f20
add esp, 0xc
test eax, eax
je 0x687e20
mov ebx, dword [esp + 0x10]
lea eax, [esp + 0x28]
push esi
push ebx
push eax
call fcn.00653f20
add esp, 0xc
test eax, eax
je 0x687e20
push 8
lea eax, [esp + 0x24]
push eax
lea eax, [esp + 0x30]
push eax
call fcn.00653f20
add esp, 0xc
test eax, eax
je 0x687e20
push 0
lea eax, [esp + 0x44]
push eax
lea eax, [esp + 0x30]
push eax
call fcn.00653cd0
add esp, 0xc
test eax, eax
je 0x687e20
inc dword [esp + 0x24]
add ebx, esi
xor ecx, ecx
mov dword [esp + 0x10], ebx
test esi, esi
jle 0x687d6c
nop dword [eax + eax]
mov al, byte [esp + ecx + 0x40]
inc ecx
xor byte [edi + 0x98ed50], al
lea eax, [edi + 1]
xor edi, edi
cmp eax, 0x3ff
cmovl edi, eax
cmp ecx, esi
jl 0x687d50
mov ebx, dword [esp + 0x18]
sub ebp, 0x14
add ebx, 0x14
mov eax, 0x14
mov dword [esp + 0x18], ebx
cmp ebx, dword [esp + 0x60]
jl 0x687c55
mov ebx, dword [esp + 0x14]
test ebx, ebx
jne 0x687db0
push 0x13b
push str..crypto_randmd_rand.c
push 0x12
push 9
call fcn.006632e0
add esp, 0x10
nop word [eax + eax]
movups xmm1, xmmword [0x98ed3c]
xor ecx, ecx
mov edx, 4
movups xmm0, xmmword [esp + 0x40]
pxor xmm1, xmm0
movups xmmword [0x98ed3c], xmm1
nop
mov al, byte [esp + ecx + 0x50]
lea ecx, [ecx + 1]
xor byte [ecx + 0x98ed4b], al
sub edx, 1
jne 0x687dd0
movsd xmm0, qword [0x70afa0]
movsd xmm1, qword [0x98ed28]
comisd xmm0, xmm1
jbe 0x687e06
addsd xmm1, qword [esp + 0x64]
movsd qword [0x98ed28], xmm1
test ebx, ebx
jne 0x687e20
push 0x148
push str..crypto_randmd_rand.c
push 0x12
push 0xa
call fcn.006632e0
add esp, 0x10
lea eax, [esp + 0x28]
push eax
call fcn.00653f30
add esp, 4
pop edi
pop ebp
pop ebx
mov ecx, dword [esp + 0x48]
pop esi
xor ecx, esp
call fcn.005f354f
add esp, 0x48
ret