Function at 0x517ba0
Capabilities:
Encode data using xor

Disassembly:
push ebx
mov ebx, esp
sub esp, 8
and esp, 0xfffffff0
add esp, 4
push ebp
mov ebp, dword [ebx + 4]
mov dword [esp + 4], ebp
mov ebp, esp
sub esp, 0x348
mov eax, dword [0x6b900c]
xor eax, ebp
mov dword [ebp - 4], eax
cmp dword [ebx + 0x20], 0x100000
mov eax, dword [ebx + 0xc]
mov ecx, dword [ebx + 8]
mov dword [ebp - 0x31c], eax
mov eax, dword [ebx + 0x14]
push esi
mov esi, dword [ebx + 0x10]
mov dword [ebp - 0x2e8], eax
mov eax, dword [ebx + 0x18]
push edi
mov dword [ebp - 0x2d8], eax
mov edi, 0x40
mov eax, dword [ebx + 0x24]
mov dword [ebp - 0x318], ecx
mov dword [ebp - 0x320], esi
mov dword [ebp - 0x2fc], eax
mov dword [ebp - 0x2dc], edi
mov dword [ebp - 0x300], 0x28
mov dword [ebp - 0x2c0], 8
mov byte [ebp - 0x2b1], 1
jae 0x518496
push ecx
call fcn.005250f0
push eax
call fcn.004311e0
add esp, 8
cmp eax, 0x2a0
jg 0x517d16
je 0x517cde
cmp eax, 4
je 0x517c94
cmp eax, edi
jne 0x517d27
lea eax, [ebp - 0x2b0]
push eax
call fcn.005d36e0
add esp, 4
test eax, eax
jle 0x518496
mov dword [ebp - 0x2d0], 0x518630
lea eax, [edi - 0x2c]
mov dword [ebp - 0x2bc], 0x54fe30
lea ecx, [edi - 0x38]
jmp 0x517dd0
lea eax, [ebp - 0x2b0]
push eax
call fcn.0052d4b0
add esp, 4
test eax, eax
jle 0x518496
mov eax, 0x10
mov dword [ebp - 0x2d0], 0x5185b0
mov edx, 0x30
mov dword [ebp - 0x2bc], 0x52d4f0
mov dword [ebp - 0x300], edx
mov byte [ebp - 0x2b1], 0
lea ecx, [eax - 8]
jmp 0x517dd5
lea eax, [ebp - 0x2b0]
push eax
call fcn.0052e260
add esp, 4
test eax, eax
jle 0x518496
mov eax, 0x20
mov dword [ebp - 0x2d0], 0x5186d0
mov dword [ebp - 0x2bc], 0x52e2c0
lea ecx, [eax - 0x18]
jmp 0x517dd0
sub eax, 0x2a1
je 0x517d8a
sub eax, 1
je 0x517d6f
sub eax, 1
je 0x517d3a
test esi, esi
je 0x518496
mov dword [esi], 0
jmp 0x518496
lea eax, [ebp - 0x2b0]
push eax
call fcn.0052df10
add esp, 4
test eax, eax
jle 0x518496
mov eax, 0x1c
mov dword [ebp - 0x2d0], 0x5186d0
mov dword [ebp - 0x2bc], 0x52e2c0
lea ecx, [eax - 0x14]
jmp 0x517dd0
lea eax, [ebp - 0x2b0]
push eax
call fcn.00551c20
add esp, 4
test eax, eax
jle 0x518496
mov eax, edi
jmp 0x517da6
lea eax, [ebp - 0x2b0]
push eax
call fcn.005512c0
add esp, 4
test eax, eax
jle 0x518496
mov eax, 0x30
mov ecx, 0x10
mov dword [ebp - 0x2bc], 0x551cd0
mov edi, 0x80
mov dword [ebp - 0x2c0], ecx
mov dword [ebp - 0x2dc], edi
mov dword [ebp - 0x2d0], 0x5187c0
mov edx, 0x28
cmp byte [ebx + 0x2c], 0
mov esi, 0xd
mov dword [ebp - 0x2c4], eax
mov dword [ebp - 0x2f8], esi
je 0x517e06
mov esi, dword [ebx + 0x28]
add esi, 0xb
mov dword [ebp - 0x2cc], 2
add esi, edx
mov dword [ebp - 0x2f8], esi
jmp 0x517e18
add eax, 0xff
xor edx, edx
add eax, edi
div edi
inc eax
mov dword [ebp - 0x2cc], eax
sub esi, dword [ebp - 0x2c4]
xor edx, edx
mov eax, dword [ebx + 0x20]
add ecx, esi
dec eax
add ecx, edi
add eax, ecx
xor ecx, ecx
div edi
xor edx, edx
xor edi, edi
mov dword [ebp - 0x2f4], eax
mov eax, dword [ebx + 0x1c]
add eax, esi
mov dword [ebp - 0x2ec], edx
mov esi, dword [ebp - 0x2dc]
mov dword [ebp - 0x2b8], eax
div esi
mov dword [ebp - 0x2d4], edi
mov dword [ebp - 0x328], eax
mov eax, dword [ebp - 0x2b8]
add eax, dword [ebp - 0x2c0]
mov dword [ebp - 0x2e4], edx
xor edx, edx
div esi
cmp byte [ebx + 0x2c], cl
mov edx, dword [ebp - 0x2f4]
setne cl
mov dword [ebp - 0x32c], eax
mov eax, dword [ebp - 0x2cc]
add ecx, eax
cmp edx, ecx
jbe 0x517ea4
sub edx, eax
mov edi, edx
mov dword [ebp - 0x2ec], edx
imul edi, esi
mov dword [ebp - 0x2d4], edi
mov eax, dword [ebp - 0x2b8]
shl eax, 3
cmp byte [ebx + 0x2c], 0
mov dword [ebp - 0x2b8], eax
jne 0x517f56
lea eax, [eax + esi*8]
push esi
mov dword [ebp - 0x2b8], eax
lea eax, [ebp - 0xd8]
push 0
push eax
call fcn.005e1180
mov eax, dword [ebx + 0x28]
add esp, 0xc
cmp eax, 0x80
ja 0x518496
push eax
push dword [ebp - 0x2fc]
lea eax, [ebp - 0xd8]
push eax
call fcn.005dfc80
movaps xmm1, xmmword [str.6666666666666666jjjjjjjjjjjjjjjjSRTP_AES128_CM_SHA1_80]
add esp, 0xc
xor eax, eax
nop word [eax + eax]
movups xmm0, xmmword [ebp + eax - 0xd8]
pxor xmm0, xmm1
movups xmmword [ebp + eax - 0xd8], xmm0
movups xmm0, xmmword [ebp + eax - 0xc8]
pxor xmm0, xmm1
movups xmmword [ebp + eax - 0xc8], xmm0
add eax, 0x20
cmp eax, esi
jb 0x517f10
lea eax, [ebp - 0xd8]
push eax
lea eax, [ebp - 0x2b0]
push eax
call dword [ebp - 0x2bc]
add esp, 8
cmp byte [ebp - 0x2b1], 0
je 0x517fa4
mov eax, dword [ebp - 0x2c0]
add eax, 0xfffffffc
push eax
lea eax, [ebp - 0x14]
push 0
push eax
call fcn.005e1180
mov ecx, dword [ebp - 0x2b8]
add esp, 0xc
mov edx, dword [ebp - 0x2c0]
mov eax, ecx
shr eax, 0x18
mov byte [ebp + edx - 0x18], al
mov eax, ecx
shr eax, 0x10
mov byte [ebp + edx - 0x17], al
mov eax, ecx
shr eax, 8
mov byte [ebp + edx - 0x16], al
mov byte [ebp + edx - 0x15], cl
jmp 0x517fe3
push dword [ebp - 0x2c0]
lea eax, [ebp - 0x14]
push 0
push eax
call fcn.005e1180
mov ecx, dword [ebp - 0x2b8]
add esp, 0xc
mov edx, dword [ebp - 0x2c0]
mov eax, ecx
shr eax, 0x18
mov byte [ebp + edx - 0x19], al
mov eax, ecx
shr eax, 0x10
mov byte [ebp + edx - 0x1a], al
mov eax, ecx
shr eax, 8
mov byte [ebp + edx - 0x1b], al
mov byte [ebp + edx - 0x1c], cl
test edi, edi
je 0x518145
cmp byte [ebx + 0x2c], 0
je 0x5180b7
mov eax, dword [ebp - 0x2f8]
cmp eax, esi
jbe 0x518496
push dword [ebp - 0x2e8]
sub eax, esi
mov dword [ebp - 0x2b8], eax
lea eax, [ebp - 0x2b0]
push eax
call dword [ebp - 0x2bc]
push dword [ebp - 0x2b8]
mov eax, dword [ebp - 0x2e8]
add eax, esi
push eax
lea eax, [ebp - 0x158]
push eax
call fcn.005dfc80
mov eax, esi
sub eax, dword [ebp - 0x2b8]
push eax
push dword [ebp - 0x2d8]
lea eax, [ebp - 0x158]
add eax, dword [ebp - 0x2b8]
push eax
call fcn.005dfc80
lea eax, [ebp - 0x158]
push eax
lea eax, [ebp - 0x2b0]
push eax
call dword [ebp - 0x2bc]
xor edx, edx
mov eax, edi
div esi
add esp, 0x28
dec eax
cmp eax, 1
jbe 0x518145
mov edi, dword [ebp - 0x2d8]
sub edi, dword [ebp - 0x2b8]
add edi, esi
dec eax
mov dword [ebp - 0x2b8], eax
lea eax, [ebp - 0x2b0]
push edi
push eax
call dword [ebp - 0x2bc]
add esp, 8
add edi, esi
sub dword [ebp - 0x2b8], 1
jne 0x518096
jmp 0x51813f
mov ecx, dword [ebp - 0x2e8]
mov eax, dword [ecx + 8]
movq xmm0, qword [ecx]
mov dword [ebp - 0x150], eax
mov al, byte [ecx + 0xc]
mov byte [ebp - 0x14c], al
lea eax, [esi - 0xd]
push eax
push dword [ebp - 0x2d8]
lea eax, [ebp - 0x14b]
movq qword [ebp - 0x158], xmm0
push eax
call fcn.005dfc80
lea eax, [ebp - 0x158]
push eax
lea eax, [ebp - 0x2b0]
push eax
call dword [ebp - 0x2bc]
xor edx, edx
mov eax, edi
div esi
add esp, 0x14
cmp eax, 1
jbe 0x518145
lea edi, [esi - 0xd]
add edi, dword [ebp - 0x2d8]
dec eax
mov dword [ebp - 0x2b8], eax
lea eax, [ebp - 0x2b0]
push edi
push eax
call dword [ebp - 0x2bc]
add esp, 8
add edi, esi
sub dword [ebp - 0x2b8], 1
jne 0x518123
mov edi, dword [ebp - 0x2d4]
push 0x40
lea eax, [ebp - 0x58]
push 0
push eax
call fcn.005e1180
mov eax, dword [ebp - 0x2cc]
add esp, 0xc
mov ecx, dword [ebp - 0x2ec]
add eax, ecx
mov dword [ebp - 0x314], eax
cmp ecx, eax
ja 0x5183ff
mov eax, dword [ebp - 0x2e4]
neg dword [ebp - 0x2e4]
lea edx, [eax + 1]
shr eax, 0x1f
mov dword [ebp - 0x304], eax
mov eax, edx
shr eax, 0x1f
mov dword [ebp - 0x308], edx
mov edx, esi
mov dword [ebp - 0x30c], eax
mov eax, dword [ebp - 0x2c0]
sub edx, eax
sub eax, esi
mov dword [ebp - 0x310], edx
lea eax, [ebp + eax - 0x14]
mov dword [ebp - 0x2f4], eax
mov eax, ecx
xor esi, esi
xor eax, dword [ebp - 0x328]
lea edx, [eax - 1]
not eax
shr eax, 0x1f
shr edx, 0x1f
and dl, al
mov eax, ecx
xor eax, dword [ebp - 0x32c]
neg dl
mov dword [ebp - 0x2d4], edx
lea ecx, [eax - 1]
not eax
shr ecx, 0x1f
shr eax, 0x1f
and cl, al
neg cl
movsx eax, cl
mov dword [ebp - 0x2c0], ecx
not cl
or cl, dl
mov byte [ebp - 0x2c5], cl
mov ecx, dword [ebp - 0x2e4]
movd xmm0, eax
mov eax, dword [ebp - 0x2f4]
punpcklbw xmm0, xmm0
punpcklwd xmm0, xmm0
pshufd xmm0, xmm0, 0
movaps xmmword [ebp - 0x340], xmm0
mov dword [ebp - 0x2b8], ecx
mov dword [ebp - 0x2cc], eax
nop
mov edx, dword [ebp - 0x2f8]
mov byte [ebp - 0x2b1], 0
cmp edi, edx
jae 0x518249
mov eax, dword [ebp - 0x2e8]
jmp 0x51825a
mov eax, dword [ebx + 0x20]
add eax, edx
cmp edi, eax
jae 0x518263
mov eax, dword [ebp - 0x2d8]
sub eax, edx
mov al, byte [eax + edi]
mov byte [ebp - 0x2b1], al
mov eax, dword [ebp - 0x304]
mov edx, esi
shr ecx, 0x1f
inc edi
xor cl, al
shr edx, 0x1f
xor al, dl
or cl, al
mov eax, dword [ebp - 0x2d4]
xor cl, dl
movzx eax, al
dec cl
movzx ecx, cl
and ecx, eax
mov dword [ebp - 0x2e0], ecx
not ecx
mov dword [ebp - 0x2f0], ecx
mov eax, dword [ebp - 0x2f0]
mov ecx, dword [ebp - 0x2e0]
and al, byte [ebp - 0x2b1]
and cl, 0x80
or cl, al
mov eax, dword [ebp - 0x30c]
mov dword [ebp - 0x2e0], ecx
mov ecx, esi
sub ecx, dword [ebp - 0x308]
shr ecx, 0x1f
xor cl, al
xor al, dl
or cl, al
xor cl, dl
mov edx, dword [ebp - 0x2e0]
dec cl
and cl, byte [ebp - 0x2d4]
not cl
and cl, byte [ebp - 0x2c5]
and dl, cl
cmp esi, dword [ebp - 0x310]
jb 0x51831d
mov eax, dword [ebp - 0x2c0]
movzx eax, al
mov dword [ebp - 0x2e0], eax
not eax
mov dword [ebp - 0x2f0], eax
mov eax, dword [ebp - 0x2cc]
mov ecx, dword [ebp - 0x2e0]
and cl, byte [eax]
mov eax, dword [ebp - 0x2f0]
and dl, al
or dl, cl
mov ecx, dword [ebp - 0x2b8]
inc dword [ebp - 0x2cc]
inc ecx
mov byte [ebp + esi - 0x1d8], dl
inc esi
mov dword [ebp - 0x2b8], ecx
cmp esi, dword [ebp - 0x2dc]
jb 0x518230
lea eax, [ebp - 0x1d8]
push eax
lea eax, [ebp - 0x2b0]
push eax
call dword [ebp - 0x2bc]
lea eax, [ebp - 0x1d8]
push eax
lea eax, [ebp - 0x2b0]
push eax
call dword [ebp - 0x2d0]
mov edx, dword [ebp - 0x2c4]
add esp, 0x10
xor eax, eax
cmp edx, 0x20
jb 0x5183cb
movaps xmm2, xmmword [ebp - 0x340]
mov ecx, edx
and ecx, 0xffffffe0
nop dword [eax + eax]
movups xmm0, xmmword [ebp + eax - 0x58]
movups xmm1, xmmword [ebp + eax - 0x1d8]
pand xmm1, xmm2
por xmm1, xmm0
movups xmmword [ebp + eax - 0x58], xmm1
movups xmm1, xmmword [ebp + eax - 0x1c8]
movups xmm0, xmmword [ebp + eax - 0x48]
pand xmm1, xmm2
por xmm1, xmm0
movups xmmword [ebp + eax - 0x48], xmm1
add eax, 0x20
cmp eax, ecx
jb 0x518390
cmp eax, edx
jae 0x5183e6
nop
mov cl, byte [ebp + eax - 0x1d8]
and cl, byte [ebp - 0x2c0]
or byte [ebp + eax - 0x58], cl
inc eax
cmp eax, edx
jb 0x5183d0
mov ecx, dword [ebp - 0x2ec]
inc ecx
mov dword [ebp - 0x2ec], ecx
cmp ecx, dword [ebp - 0x314]
jbe 0x5181b6
call fcn.005204b0
mov esi, eax
test esi, esi
je 0x51848d
push 0
push dword [ebp - 0x318]
call fcn.005250f0
add esp, 4
push eax
push esi
call fcn.005200f0
add esp, 0xc
test eax, eax
jle 0x51848d
cmp byte [ebx + 0x2c], 0
je 0x5184ab
mov edi, dword [ebp - 0x300]
lea eax, [ebp - 0xd8]
push edi
push 0x5c
push eax
call fcn.005e1180
push dword [ebx + 0x28]
push dword [ebp - 0x2fc]
push esi
call fcn.005202a0
add esp, 0x18
test eax, eax
jle 0x51848d
push edi
lea eax, [ebp - 0xd8]
push eax
push esi
call fcn.005202a0
add esp, 0xc
test eax, eax
jle 0x51848d
push dword [ebp - 0x2c4]
lea eax, [ebp - 0x58]
push eax
push esi
call fcn.005202a0
add esp, 0xc
test eax, eax
jg 0x51851f
push esi
call fcn.00520490
add esp, 4
xor eax, eax
pop edi
pop esi
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.0049a127
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret
movaps xmm1, xmmword [0x62cf90]
xor eax, eax
mov ecx, dword [ebp - 0x2dc]
nop word [eax + eax]
movups xmm0, xmmword [ebp + eax - 0xd8]
pxor xmm0, xmm1
movups xmmword [ebp + eax - 0xd8], xmm0
movups xmm0, xmmword [ebp + eax - 0xc8]
pxor xmm0, xmm1
movups xmmword [ebp + eax - 0xc8], xmm0
add eax, 0x20
cmp eax, ecx
jb 0x5184c0
push ecx
lea eax, [ebp - 0xd8]
push eax
push esi
call fcn.005202a0
add esp, 0xc
test eax, eax
jle 0x51848d
push dword [ebp - 0x2c4]
lea eax, [ebp - 0x58]
push eax
push esi
call fcn.005202a0
add esp, 0xc
test eax, eax
jle 0x51848d
lea eax, [ebp - 0x324]
push eax
push dword [ebp - 0x31c]
push esi
call fcn.0051ff90
add esp, 0xc
test eax, eax
je 0x51854b
mov ecx, dword [ebp - 0x320]
test ecx, ecx
je 0x51854b
mov eax, dword [ebp - 0x324]
mov dword [ecx], eax
push esi
call fcn.00520490
mov ecx, dword [ebp - 4]
add esp, 4
xor ecx, ebp
mov eax, 1
pop edi
pop esi
call fcn.0049a127
mov esp, ebp
pop ebp
mov esp, ebx
pop ebx
ret