Function at 0x402de0
Capabilities:
Encode data using base64

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x489339
mov eax, dword fs:[0]
push eax
sub esp, 0x18
push ebx
push esi
push edi
mov eax, dword [0x4b135c]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, ecx
mov dword [ebp - 0x24], edi
mov dword [ebp - 0x1c], 0
mov dword [edi + 0x14], 0xf
mov dword [edi + 0x10], 0
mov byte [edi], 0
mov eax, dword [ebp + 8]
xor ebx, ebx
mov dword [ebp - 4], 0
mov dword [ebp - 0x1c], 1
test eax, eax
je 0x4030ee
dec eax
mov dword [ebp + 8], eax
mov al, byte [edx]
inc edx
mov byte [ebp + ebx - 0x14], al
inc ebx
mov ah, byte [ebp - 0x12]
mov ch, byte [ebp - 0x13]
mov cl, byte [ebp - 0x14]
mov dword [ebp - 0x20], edx
mov byte [ebp - 0x10], ah
mov byte [ebp - 0xe], ch
mov byte [ebp - 0xf], cl
cmp ebx, 3
jne 0x402f46
mov al, cl
and cl, 3
shr al, 2
mov byte [ebp - 0x18], al
mov al, ch
shl cl, 4
shr al, 4
add cl, al
mov al, ah
mov byte [ebp - 0x17], cl
mov cl, ch
and cl, 0xf
shr al, 6
shl cl, 2
add cl, al
mov al, ah
and al, 0x3f
mov byte [ebp - 0x16], cl
mov byte [ebp - 0x15], al
xor ebx, ebx
lea ecx, [ecx]
cmp dword [0x4b29c4], 0x10
mov ecx, 0x4b29b0
movzx eax, byte [ebp + ebx - 0x18]
cmovae ecx, dword [0x4b29b0]
mov dl, byte [eax + ecx]
or eax, 0xffffffff
mov ecx, dword [edi + 0x10]
sub eax, ecx
mov byte [ebp - 0xd], dl
cmp eax, 1
jbe 0x402f7b
lea esi, [ecx + 1]
cmp esi, 0xfffffffe
ja 0x402f7b
mov eax, dword [edi + 0x14]
cmp eax, esi
jae 0x402eff
push ecx
push esi
mov ecx, edi
call fcn.00401c00
mov dl, byte [ebp - 0xd]
test esi, esi
je 0x402f31
cmp dword [edi + 0x14], 0x10
mov ecx, dword [edi + 0x10]
jb 0x402f19
mov eax, dword [edi]
jmp 0x402f1b
test esi, esi
jne 0x402ef2
mov dword [edi + 0x10], esi
cmp eax, 0x10
jb 0x402f12
mov eax, dword [edi]
mov byte [eax], 0
jmp 0x402f31
mov eax, edi
mov byte [eax], 0
jmp 0x402f31
mov eax, edi
mov byte [eax + ecx], dl
cmp dword [edi + 0x14], 0x10
mov dword [edi + 0x10], esi
jb 0x402f2b
mov eax, dword [edi]
jmp 0x402f2d
mov eax, edi
mov byte [eax + esi], 0
inc ebx
cmp ebx, 4
jl 0x402ea0
mov edx, dword [ebp - 0x20]
xor ebx, ebx
mov ch, byte [ebp - 0xe]
mov cl, byte [ebp - 0xf]
mov eax, dword [ebp + 8]
test eax, eax
jne 0x402e40
test ebx, ebx
je 0x4030ee
mov eax, ebx
cmp ebx, 3
jge 0x402f8a
cmp eax, 3
jae 0x402f85
mov byte [ebp + eax - 0x14], 0
inc eax
cmp eax, 3
jl 0x402f63
mov dl, byte [ebp - 0x12]
mov ch, byte [ebp - 0x13]
mov cl, byte [ebp - 0x14]
jmp 0x402f8d
push str.string_too_long
call fcn.0041d125
call fcn.0041dea5
mov dl, byte [ebp - 0x10]
mov al, cl
and cl, 3
shr al, 2
mov byte [ebp - 0x18], al
mov al, ch
shr al, 4
and ch, 0xf
shl cl, 4
add cl, al
shl ch, 2
mov al, dl
mov byte [ebp - 0x17], cl
shr al, 6
and dl, 0x3f
add ch, al
mov byte [ebp - 0x15], dl
xor edx, edx
mov byte [ebp - 0x16], ch
lea eax, [ebx + 1]
mov dword [ebp - 0x14], edx
test eax, eax
jle 0x403072
jmp 0x402fd0
cmp dword [0x4b29c4], 0x10
mov ecx, 0x4b29b0
movzx eax, byte [ebp + edx - 0x18]
cmovae ecx, dword [0x4b29b0]
mov al, byte [eax + ecx]
mov ecx, dword [edi + 0x10]
mov byte [ebp + 0xb], al
or eax, 0xffffffff
sub eax, ecx
cmp eax, 1
jbe 0x402f7b
lea esi, [ecx + 1]
cmp esi, 0xfffffffe
ja 0x402f7b
mov eax, dword [edi + 0x14]
cmp eax, esi
jae 0x40302b
push ecx
push esi
mov ecx, edi
call fcn.00401c00
mov edx, dword [ebp - 0x14]
test esi, esi
je 0x403063
cmp dword [edi + 0x14], 0x10
mov ecx, dword [edi + 0x10]
jb 0x403045
mov eax, dword [edi]
jmp 0x403047
test esi, esi
jne 0x40301e
mov dword [edi + 0x10], esi
cmp eax, 0x10
jb 0x40303e
mov eax, dword [edi]
mov byte [eax], 0
jmp 0x403063
mov eax, edi
mov byte [eax], 0
jmp 0x403063
mov eax, edi
mov dl, byte [ebp + 0xb]
mov byte [eax + ecx], dl
cmp dword [edi + 0x14], 0x10
mov dword [edi + 0x10], esi
jb 0x40305a
mov eax, dword [edi]
jmp 0x40305c
mov eax, edi
mov edx, dword [ebp - 0x14]
mov byte [eax + esi], 0
inc edx
lea eax, [ebx + 1]
mov dword [ebp - 0x14], edx
cmp edx, eax
jl 0x402fd0
cmp ebx, 3
jge 0x4030ee
mov ecx, dword [edi + 0x10]
or eax, 0xffffffff
sub eax, ecx
inc ebx
cmp eax, 1
jbe 0x402f7b
lea esi, [ecx + 1]
cmp esi, 0xfffffffe
ja 0x402f7b
mov eax, dword [edi + 0x14]
cmp eax, esi
jae 0x4030b6
push ecx
push esi
mov ecx, edi
call fcn.00401c00
test esi, esi
je 0x4030e9
cmp dword [edi + 0x14], 0x10
mov ecx, dword [edi + 0x10]
jb 0x4030d0
mov eax, dword [edi]
jmp 0x4030d2
test esi, esi
jne 0x4030a9
mov dword [edi + 0x10], esi
cmp eax, 0x10
jb 0x4030c9
mov eax, dword [edi]
mov byte [eax], 0
jmp 0x4030e9
mov eax, edi
mov byte [eax], 0
jmp 0x4030e9
mov eax, edi
mov byte [ecx + eax], 0x3d
cmp dword [edi + 0x14], 0x10
mov dword [edi + 0x10], esi
jb 0x4030e3
mov eax, dword [edi]
jmp 0x4030e5
mov eax, edi
mov byte [esi + eax], 0
cmp ebx, 3
jl 0x403077
mov eax, edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret