Function at 0x55b9a0
Capabilities:
Encode data using base64

Disassembly:
push 0xffffffffffffffff
push 0x56a169
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x10
xor eax, eax
push ebx
mov dword [esp + 4], eax
push esi
mov esi, dword [esp + 0x28]
mov dword [esi + 0x14], 0xf
mov dword [esi + 0x10], eax
push edi
mov byte [esi], al
mov ebx, dword [esp + 0x34]
mov edi, dword [esi + 0x10]
mov dword [esp + 0x24], eax
lea ecx, [ebx*4]
mov eax, 0xaaaaaaab
mul ecx
shr edx, 1
add edx, 3
mov dword [esp + 0xc], 1
cmp edi, edx
ja 0x55ba21
cmp dword [esi + 0x14], edx
je 0x55ba21
push 1
push edx
mov ecx, esi
call fcn.00405f70
test al, al
je 0x55ba21
cmp dword [esi + 0x14], 0x10
mov dword [esi + 0x10], edi
jb 0x55ba1b
mov eax, dword [esi]
jmp 0x55ba1d
mov eax, esi
mov byte [eax + edi], 0
xor edi, edi
test ebx, ebx
je 0x55bc23
push ebp
mov ebp, dword [esp + 0x34]
mov al, byte [edi + ebp]
mov ecx, dword [0x5c78b0]
sar al, 2
and al, 0x3f
cmp dword [0x5c78c4], 0x10
jae 0x55ba4c
mov ecx, 0x5c78b0
movsx edx, al
mov al, byte [edx + ecx]
mov ecx, dword [esi + 0x14]
mov byte [esp + 0x38], al
cmp ecx, 0x10
jb 0x55ba62
mov edx, dword [esi]
jmp 0x55ba64
mov edx, esi
mov eax, dword [esi + 0x10]
add eax, edx
cmp ecx, 0x10
jb 0x55ba72
mov ecx, dword [esi]
jmp 0x55ba74
mov ecx, esi
test eax, eax
je 0x55ba7a
sub eax, ecx
mov ecx, dword [esp + 0x38]
push ecx
push 1
push eax
mov ecx, esi
call fcn.0042af60
mov al, byte [edi + ebp]
and al, 3
inc edi
shl al, 4
cmp edi, ebx
jae 0x55baa1
mov dl, byte [edi + ebp]
sar dl, 4
and dl, 0xf
or al, dl
cmp dword [0x5c78c4], 0x10
mov ecx, dword [0x5c78b0]
jae 0x55bab5
mov ecx, 0x5c78b0
movsx eax, al
mov cl, byte [eax + ecx]
mov byte [esp + 0x14], cl
mov ecx, dword [esi + 0x14]
cmp ecx, 0x10
jb 0x55bacb
mov edx, dword [esi]
jmp 0x55bacd
mov edx, esi
mov eax, dword [esi + 0x10]
add eax, edx
cmp ecx, 0x10
jb 0x55badb
mov ecx, dword [esi]
jmp 0x55badd
mov ecx, esi
test eax, eax
je 0x55bae3
sub eax, ecx
mov edx, dword [esp + 0x14]
push edx
push 1
push eax
mov ecx, esi
call fcn.0042af60
cmp edi, ebx
jae 0x55bb5f
mov al, byte [edi + ebp]
and al, 0xf
add al, al
inc edi
add al, al
cmp edi, ebx
jae 0x55bb0f
mov cl, byte [edi + ebp]
sar cl, 6
and cl, 3
or al, cl
cmp dword [0x5c78c4], 0x10
mov ecx, dword [0x5c78b0]
jae 0x55bb23
mov ecx, 0x5c78b0
movsx edx, al
mov al, byte [edx + ecx]
mov ecx, dword [esi + 0x14]
mov byte [esp + 0x18], al
cmp ecx, 0x10
jb 0x55bb39
mov edx, dword [esi]
jmp 0x55bb3b
mov edx, esi
mov eax, dword [esi + 0x10]
add eax, edx
cmp ecx, 0x10
jb 0x55bb49
mov ecx, dword [esi]
jmp 0x55bb4b
mov ecx, esi
test eax, eax
jne 0x55bb56
mov ecx, dword [esp + 0x18]
push ecx
jmp 0x55bb86
sub eax, ecx
mov ecx, dword [esp + 0x18]
push ecx
jmp 0x55bb86
mov ecx, dword [esi + 0x14]
inc edi
cmp ecx, 0x10
jb 0x55bb6c
mov edx, dword [esi]
jmp 0x55bb6e
mov edx, esi
mov eax, dword [esi + 0x10]
add eax, edx
cmp ecx, 0x10
jb 0x55bb7c
mov ecx, dword [esi]
jmp 0x55bb7e
mov ecx, esi
test eax, eax
je 0x55bb84
sub eax, ecx
push 0x3d
push 1
push eax
mov ecx, esi
call fcn.0042af60
cmp edi, ebx
jae 0x55bbe9
mov al, byte [edi + ebp]
mov ecx, dword [0x5c78b0]
and al, 0x3f
cmp dword [0x5c78c4], 0x10
jae 0x55bbad
mov ecx, 0x5c78b0
movsx edx, al
mov al, byte [edx + ecx]
mov ecx, dword [esi + 0x14]
mov byte [esp + 0x1c], al
cmp ecx, 0x10
jb 0x55bbc3
mov edx, dword [esi]
jmp 0x55bbc5
mov edx, esi
mov eax, dword [esi + 0x10]
add eax, edx
cmp ecx, 0x10
jb 0x55bbd3
mov ecx, dword [esi]
jmp 0x55bbd5
mov ecx, esi
test eax, eax
jne 0x55bbe0
mov ecx, dword [esp + 0x1c]
push ecx
jmp 0x55bc0f
sub eax, ecx
mov ecx, dword [esp + 0x1c]
push ecx
jmp 0x55bc0f
mov edx, dword [esi + 0x14]
cmp edx, 0x10
jb 0x55bbf5
mov ecx, dword [esi]
jmp 0x55bbf7
mov ecx, esi
mov eax, dword [esi + 0x10]
add eax, ecx
cmp edx, 0x10
jb 0x55bc05
mov ecx, dword [esi]
jmp 0x55bc07
mov ecx, esi
test eax, eax
je 0x55bc0d
sub eax, ecx
push 0x3d
push 1
push eax
mov ecx, esi
call fcn.0042af60
inc edi
cmp edi, ebx
jb 0x55ba30
pop ebp
mov ecx, dword [esp + 0x1c]
pop edi
mov eax, esi
pop esi
pop ebx
mov dword fs:[0], ecx
add esp, 0x1c
ret