Function at 0x58b830
Capabilities:
Encode data using base64

Disassembly:
mov ecx, dword fs:[0x14]
mov ecx, dword [ecx]
cmp esp, dword [ecx + 8]
jbe 0x58be76
sub esp, 0x48
movzx edx, byte [esp + 0x4c]
cmp dl, 0x13
ja 0x58b930
cmp dl, 0xc
je 0x58b888
cmp dl, 0x12
jne 0x58b870
mov eax, dword [esp + 0x54]
mov ecx, dword [esp + 0x50]
xor edx, edx
jmp 0x58bde4
cmp dl, 0x13
jne 0x58ba07
mov eax, dword [esp + 0x54]
mov ecx, dword [esp + 0x50]
xor edx, edx
jmp 0x58bd0c
mov eax, dword [esp + 0x50]
mov dword [esp], eax
mov ecx, dword [esp + 0x54]
mov dword [esp + 4], ecx
mov edx, dword [esp + 0x58]
mov dword [esp + 8], edx
call fcn.00488ae0
movzx eax, byte [esp + 0xc]
test al, al
je 0x58b8ed
mov dword [esp], 0
mov eax, dword [esp + 0x50]
mov dword [esp + 4], eax
mov eax, dword [esp + 0x54]
mov dword [esp + 8], eax
call fcn.0044b9e0
mov eax, dword [esp + 0xc]
mov ecx, dword [esp + 0x10]
mov dword [esp + 0x5c], eax
mov dword [esp + 0x60], ecx
mov dword [esp + 0x64], 0
mov dword [esp + 0x68], 0
add esp, 0x48
ret
lea eax, [0x665440]
mov dword [esp], eax
call fcn.0040b430
mov eax, dword [esp + 4]
mov dword [eax + 4], 0x14
lea ecx, [0x69a020]
mov dword [eax], ecx
mov dword [esp + 0x5c], 0
mov dword [esp + 0x60], 0
lea ecx, [0x700a44]
mov dword [esp + 0x64], ecx
mov dword [esp + 0x68], eax
add esp, 0x48
ret
cmp dl, 0x14
je 0x58bab3
cmp dl, 0x16
je 0x58ba83
cmp dl, 0x1e
jne 0x58ba07
mov ecx, dword [esp + 0x54]
test ecx, 1
jne 0x58b9c4
cmp ecx, 2
jl 0x58b981
mov edx, dword [esp + 0x50]
movzx ebx, byte [ecx + edx - 1]
test bl, bl
jne 0x58b985
lea eax, [ecx - 2]
cmp ecx, eax
jbe 0x58bd06
movzx ebx, byte [ecx + edx - 2]
test bl, bl
jne 0x58b985
mov ecx, eax
jmp 0x58b985
mov edx, dword [esp + 0x50]
mov dword [esp + 0x34], ecx
lea eax, [0x65ab40]
mov dword [esp], eax
mov dword [esp + 4], 0
shr ecx, 1
mov dword [esp + 0x2c], ecx
mov dword [esp + 8], ecx
call fcn.004480c0
mov eax, dword [esp + 0xc]
mov ecx, dword [esp + 0x2c]
mov edx, dword [esp + 0x58]
mov ebx, dword [esp + 0x50]
mov ebp, dword [esp + 0x34]
xor esi, esi
jmp 0x58bc2c
lea eax, [0x665440]
mov dword [esp], eax
call fcn.0040b430
mov eax, dword [esp + 4]
mov dword [eax + 4], 0x11
lea ecx, [0x697fec]
mov dword [eax], ecx
mov dword [esp + 0x5c], 0
mov dword [esp + 0x60], 0
lea ecx, [0x700a44]
mov dword [esp + 0x64], ecx
mov dword [esp + 0x68], eax
add esp, 0x48
ret
mov dword [esp + 0x40], 0
mov dword [esp + 0x44], 0
lea eax, [0x666be0]
mov dword [esp + 0x40], eax
movzx eax, dl
lea ecx, [0x874fe0]
lea eax, [ecx + eax*8]
mov dword [esp + 0x44], eax
lea eax, [0x69e9d8]
mov dword [esp], eax
mov dword [esp + 4], 0x1b
lea eax, [esp + 0x40]
mov dword [esp + 8], eax
mov dword [esp + 0xc], 1
mov dword [esp + 0x10], 1
call fcn.004bc750
mov eax, dword [esp + 0x14]
mov ecx, dword [esp + 0x18]
mov dword [esp + 0x5c], 0
mov dword [esp + 0x60], 0
mov dword [esp + 0x64], eax
mov dword [esp + 0x68], ecx
add esp, 0x48
ret
mov dword [esp], 0
mov eax, dword [esp + 0x50]
mov dword [esp + 4], eax
mov eax, dword [esp + 0x54]
mov dword [esp + 8], eax
call fcn.0044b9e0
mov eax, dword [esp + 0xc]
mov dword [esp + 0x38], eax
mov ecx, dword [esp + 0x10]
mov dword [esp + 0x24], ecx
xor edx, edx
jmp 0x58baf3
mov dword [esp], 0
mov eax, dword [esp + 0x50]
mov dword [esp + 4], eax
mov eax, dword [esp + 0x54]
mov dword [esp + 8], eax
call fcn.0044b9e0
mov eax, dword [esp + 0xc]
mov ecx, dword [esp + 0x10]
mov dword [esp + 0x5c], eax
mov dword [esp + 0x60], ecx
mov dword [esp + 0x64], 0
mov dword [esp + 0x68], 0
add esp, 0x48
ret
cmp edx, ecx
jge 0x58bb9b
movzx ebx, byte [eax + edx]
cmp ebx, 0x80
jge 0x58bb0a
inc edx
jmp 0x58bb2a
mov dword [esp], eax
mov dword [esp + 4], ecx
mov dword [esp + 8], edx
call fcn.00459510
mov ebx, dword [esp + 0xc]
mov edx, dword [esp + 0x10]
mov eax, dword [esp + 0x38]
mov ecx, dword [esp + 0x24]
cmp ebx, 0x7f
jle 0x58baf3
mov dword [esp + 0x40], 0
mov dword [esp + 0x44], 0
mov dword [esp], eax
mov dword [esp + 4], ecx
call fcn.00408df0
mov eax, dword [esp + 8]
lea ecx, [0x65aa40]
mov dword [esp + 0x40], ecx
mov dword [esp + 0x44], eax
lea eax, [0x6a4d43]
mov dword [esp], eax
mov dword [esp + 4], 0x2a
lea eax, [esp + 0x40]
mov dword [esp + 8], eax
mov dword [esp + 0xc], 1
mov dword [esp + 0x10], 1
call fcn.004bc750
mov eax, dword [esp + 0x14]
mov ecx, dword [esp + 0x24]
mov edx, eax
mov eax, dword [esp + 0x38]
jmp 0x58bb9d
xor edx, edx
test edx, edx
je 0x58bbe4
lea eax, [0x665440]
mov dword [esp], eax
call fcn.0040b430
mov eax, dword [esp + 4]
mov dword [eax + 4], 0x11
lea ecx, [0x697ffd]
mov dword [eax], ecx
mov dword [esp + 0x5c], 0
mov dword [esp + 0x60], 0
lea ecx, [0x700a44]
mov dword [esp + 0x64], ecx
mov dword [esp + 0x68], eax
add esp, 0x48
ret
mov dword [esp + 0x5c], eax
mov dword [esp + 0x60], ecx
mov dword [esp + 0x64], 0
mov dword [esp + 0x68], 0
add esp, 0x48
ret
mov word [eax + esi*2], bx
add edx, 0xfffffffe
mov edi, edx
neg edx
sar edx, 0x1f
and edx, 2
mov ebx, edi
mov edi, dword [esp + 0x3c]
add edi, edx
mov edx, edi
mov edi, dword [esp + 0x34]
add edi, 0xfffffffe
mov esi, ebp
mov ebp, edi
mov edi, ebx
mov ebx, edx
mov edx, edi
test ebp, ebp
je 0x58bca2
movzx edi, byte [ebx]
cmp ebp, 1
jbe 0x58bcfa
mov dword [esp + 0x3c], ebx
mov dword [esp + 0x34], ebp
lea ebp, [esi + 1]
shl edi, 8
movzx ebx, byte [ebx + 1]
add ebx, edi
cmp ecx, ebp
jae 0x58bc00
mov word [esp + 0x22], bx
mov dword [esp + 0x30], edx
mov dword [esp + 0x28], esi
lea edx, [0x65ab40]
mov dword [esp], edx
mov dword [esp + 4], eax
mov dword [esp + 8], esi
mov dword [esp + 0xc], ecx
mov dword [esp + 0x10], ebp
call fcn.00448240
mov eax, dword [esp + 0x14]
mov ecx, dword [esp + 0x18]
mov edx, dword [esp + 0x1c]
lea ebp, [ecx + 1]
movzx ebx, word [esp + 0x22]
mov esi, dword [esp + 0x28]
mov ecx, edx
mov edx, dword [esp + 0x30]
jmp 0x58bc00
mov dword [esp], eax
mov dword [esp + 4], esi
mov dword [esp + 8], ecx
call fcn.00469e10
mov eax, dword [esp + 0xc]
mov ecx, dword [esp + 0x10]
mov edx, dword [esp + 0x14]
mov dword [esp], 0
mov dword [esp + 4], eax
mov dword [esp + 8], ecx
mov dword [esp + 0xc], edx
call fcn.0044bd30
mov eax, dword [esp + 0x10]
mov ecx, dword [esp + 0x14]
mov dword [esp + 0x5c], eax
mov dword [esp + 0x60], ecx
mov dword [esp + 0x64], 0
mov dword [esp + 0x68], 0
add esp, 0x48
ret
mov eax, 1
mov ecx, ebp
call fcn.0045f030
call fcn.0045f030
inc edx
cmp eax, edx
jle 0x58bdab
movzx ebx, byte [edx + ecx]
lea ebp, [ebx - 0x61]
xchg ebp, eax
cmp al, 0x19
xchg ebp, eax
jbe 0x58bd0b
lea ebp, [ebx - 0x41]
xchg ebp, eax
cmp al, 0x19
xchg ebp, eax
jbe 0x58bd0b
lea ebp, [ebx - 0x30]
xchg ebp, eax
cmp al, 9
xchg ebp, eax
jbe 0x58bd0b
lea ebp, [ebx - 0x27]
xchg ebp, eax
cmp al, 2
xchg ebp, eax
jbe 0x58bd0b
lea ebp, [ebx - 0x2b]
xchg ebp, eax
cmp al, 4
xchg ebp, eax
jbe 0x58bd0b
cmp bl, 0x20
je 0x58bd0b
cmp bl, 0x3a
je 0x58bd0b
cmp bl, 0x3d
je 0x58bd0b
cmp bl, 0x3f
je 0x58bd0b
cmp bl, 0x2a
je 0x58bd0b
cmp bl, 0x26
je 0x58bd0b
lea eax, [0x665440]
mov dword [esp], eax
call fcn.0040b430
mov eax, dword [esp + 4]
mov dword [eax + 4], 0x17
lea ecx, [0x69c0e7]
mov dword [eax], ecx
mov dword [esp + 0x5c], 0
mov dword [esp + 0x60], 0
lea ecx, [0x700a44]
mov dword [esp + 0x64], ecx
mov dword [esp + 0x68], eax
add esp, 0x48
ret
mov dword [esp], 0
mov dword [esp + 4], ecx
mov dword [esp + 8], eax
call fcn.0044b9e0
mov eax, dword [esp + 0xc]
mov ecx, dword [esp + 0x10]
mov dword [esp + 0x5c], eax
mov dword [esp + 0x60], ecx
mov dword [esp + 0x64], 0
mov dword [esp + 0x68], 0
add esp, 0x48
ret
inc edx
cmp eax, edx
jle 0x58be3e
movzx ebx, byte [edx + ecx]
lea ebp, [ebx - 0x30]
xchg ebp, eax
cmp al, 9
xchg ebp, eax
jbe 0x58bde3
cmp bl, 0x20
je 0x58bde3
lea eax, [0x665440]
mov dword [esp], eax
call fcn.0040b430
mov eax, dword [esp + 4]
mov dword [eax + 4], 0x15
lea ecx, [0x69aacb]
mov dword [eax], ecx
mov dword [esp + 0x5c], 0
mov dword [esp + 0x60], 0
lea ecx, [0x700a44]
mov dword [esp + 0x64], ecx
mov dword [esp + 0x68], eax
add esp, 0x48
ret
mov dword [esp], 0
mov dword [esp + 4], ecx
mov dword [esp + 8], eax
call fcn.0044b9e0
mov eax, dword [esp + 0xc]
mov ecx, dword [esp + 0x10]
mov dword [esp + 0x5c], eax
mov dword [esp + 0x60], ecx
mov dword [esp + 0x64], 0
mov dword [esp + 0x68], 0
add esp, 0x48
ret
call fcn.0045dba0
jmp fcn.0058b830