Function at 0x490900
Capabilities:
Encode data using base64

Disassembly:
lea r12, [rsp - 8]
cmp r12, qword [r14 + 0x10]
jbe 0x491045
sub rsp, 0x88
mov qword [rsp + 0x80], rbp
lea rbp, [rsp + 0x80]
mov qword [rsp + 0x90], rax
mov rdx, qword [r11]
add rdx, 0xffffffffffffffc4
neg rdx
cmp rdx, 0x40
sbb r11, r11
test r9, r9
mov r12d, 0
cmove r10, r12
mov r12, rcx
mov rcx, rdx
shl r9, cl
and r9, r11
jmp 0x490960
shl r9, 1
dec r10
test r9, r9
je 0x49096c
bt r9, 0x3c
jae 0x49095a
cmp rdi, 0xf
jae 0x4909e4
mov rcx, rdi
shl rcx, 2
cmp rcx, 0x40
sbb rdx, rdx
lea r11, [rcx - 0x3c]
neg r11
cmp r11, 0x40
sbb r13, r13
mov r15, r9
shl r9, cl
and r9, rdx
movabs rdx, 0xfffffffffffffff
and rdx, r9
mov rcx, r11
shr r15, cl
and r15, r13
mov r9, r15
and r15d, 1
or rdx, r15
movabs r15, 0x800000000000000
cmp r15, rdx
jae 0x4909cc
lea r15, [r9 + 1]
jmp 0x4909cf
mov r15, r9
shl r15, cl
and r15, r13
bt r15, 0x3d
jae 0x4909e7
shr r15, 1
inc r10
jmp 0x4909e7
mov r15, r9
cmp sil, 0x58
jne 0x4909f6
lea rcx, [0x005122a4]
jmp 0x4909fd
lea rcx, [0x005122b4]
mov qword [rsp + 0xa8], rdi
mov byte [rsp + 0xb0], sil
mov qword [rsp + 0x70], r10
mov qword [rsp + 0x78], rcx
mov qword [rsp + 0x68], r15
nop dword [rax]
test r8b, r8b
je 0x490a82
lea rdx, [rbx + 1]
cmp r12, rdx
jae 0x490a7c
mov qword [rsp + 0x98], rbx
mov rcx, rbx
mov rdi, r12
mov rsi, rdx
mov rbx, rax
lea rax, [0x004eddc0]
call fcn.004487e0
lea rdx, [rbx + 1]
mov rbx, qword [rsp + 0x98]
movzx esi, byte [rsp + 0xb0]
mov rdi, qword [rsp + 0xa8]
mov r10, qword [rsp + 0x70]
mov r15, qword [rsp + 0x68]
mov r12, rcx
mov rcx, qword [rsp + 0x78]
mov byte [rax + rbx], 0x2d
jmp 0x490a85
mov rdx, rbx
lea r8, [rdx + 3]
cmp r12, r8
jae 0x490ad6
mov qword [rsp + 0x60], rdx
mov rbx, rax
mov rcx, rdx
mov rdi, r12
mov rsi, r8
lea rax, [0x004eddc0]
call fcn.004487e0
lea r8, [rbx + 3]
mov rdx, qword [rsp + 0x60]
movzx esi, byte [rsp + 0xb0]
mov rdi, qword [rsp + 0xa8]
mov r10, qword [rsp + 0x70]
mov r15, qword [rsp + 0x68]
mov r12, rcx
mov rcx, qword [rsp + 0x78]
mov qword [rsp + 0x60], r8
mov byte [rax + rdx], 0x30
mov byte [rax + rdx + 1], sil
mov r9, r15
shr r15, 0x3c
and r15d, 1
lea r11d, [r15 + 0x30]
mov byte [rax + rdx + 2], r11b
shl r9, 4
mov qword [rsp + 0x68], r9
test rdi, rdi
jge 0x490b5c
test r9, r9
je 0x490b59
lea rdx, [r8 + 1]
cmp r12, rdx
jae 0x490b4f
mov rbx, rax
mov rcx, r8
mov rdi, r12
mov rsi, rdx
lea rax, [0x004eddc0]
call fcn.004487e0
lea rdx, [rbx + 1]
movzx esi, byte [rsp + 0xb0]
mov r8, qword [rsp + 0x60]
mov r9, qword [rsp + 0x68]
mov r10, qword [rsp + 0x70]
mov r12, rcx
mov rcx, qword [rsp + 0x78]
mov byte [rax + r8], 0x2e
jmp 0x490fc2
test rdi, rdi
jle 0x490bb6
lea rdx, [r8 + 1]
cmp r12, rdx
jae 0x490baa
mov rbx, rax
mov rcx, r8
mov rdi, r12
mov rsi, rdx
lea rax, [0x004eddc0]
call fcn.004487e0
lea rdx, [rbx + 1]
movzx esi, byte [rsp + 0xb0]
mov rdi, qword [rsp + 0xa8]
mov r8, qword [rsp + 0x60]
mov r9, qword [rsp + 0x68]
mov r10, qword [rsp + 0x70]
mov r12, rcx
mov rcx, qword [rsp + 0x78]
mov byte [rax + r8], 0x2e
xor ebx, ebx
jmp 0x490f20
mov edx, esi
or esi, 0x20
nop dword [rax + rax]
cmp dl, sil
jne 0x490bcc
mov ecx, 0x70
jmp 0x490bd1
mov ecx, 0x50
lea rsi, [r8 + 1]
cmp r12, rsi
jae 0x490c0e
mov byte [rsp + 0x45], cl
mov qword [rsp + 0x60], r8
mov rbx, rax
mov rcx, r8
mov rdi, r12
lea rax, [0x004eddc0]
call fcn.004487e0
lea rsi, [rbx + 1]
mov r8, qword [rsp + 0x60]
mov r10, qword [rsp + 0x70]
mov r12, rcx
movzx ecx, byte [rsp + 0x45]
mov byte [rax + r8], cl
test r10, r10
jge 0x490c22
neg r10
mov ecx, 0x2d
nop
jmp 0x490c27
mov ecx, 0x2b
mov qword [rsp + 0x70], r10
lea rdx, [rsi + 1]
cmp r12, rdx
jae 0x490c6c
mov qword [rsp + 0x60], rsi
mov byte [rsp + 0x45], cl
mov rbx, rax
mov rcx, rsi
mov rdi, r12
mov rsi, rdx
lea rax, [0x004eddc0]
call fcn.004487e0
lea rdx, [rbx + 1]
mov rsi, qword [rsp + 0x60]
mov r10, qword [rsp + 0x70]
mov r12, rcx
movzx ecx, byte [rsp + 0x45]
mov qword [rsp + 0x60], rdx
mov byte [rax + rsi], cl
cmp r10, 0x64
jge 0x490d05
lea rsi, [rdx + 2]
mov rcx, rax
movabs rax, 0xcccccccccccccccd
mov rbx, rdx
imul r10
add rdx, r10
sar rdx, 3
mov r8, r10
sar r10, 0x3f
sub rdx, r10
lea r9, [rdx + rdx*4]
shl r9, 1
sub r8, r9
cmp r12, rsi
jae 0x490cf0
mov qword [rsp + 0x70], rdx
mov qword [rsp + 0x58], r8
lea rax, [0x004eddc0]
mov rdi, r12
mov rdx, rbx
mov rbx, rcx
mov rcx, rdx
call fcn.004487e0
lea rsi, [rbx + 2]
mov rdx, qword [rsp + 0x70]
mov rbx, qword [rsp + 0x60]
mov r8, qword [rsp + 0x58]
mov r12, rcx
mov rcx, rax
add edx, 0x30
mov byte [rcx + rbx], dl
lea edx, [r8 + 0x30]
mov byte [rcx + rbx + 1], dl
nop
jmp 0x490eee
cmp r10, 0x3e8
jge 0x490de9
lea rsi, [rdx + 3]
mov rcx, rax
movabs rax, 0xa3d70a3d70a3d70b
mov rbx, rdx
imul r10
add rdx, r10
movabs rax, 0xcccccccccccccccd
mov rdi, rdx
imul r10
add rdx, r10
mov r8, rdx
sar rdx, 3
movabs rax, 0xcccccccccccccccd
mov r9, rdx
imul rdx
add rdx, r9
sar rdx, 3
sar r8, 0x3f
sub rdx, r8
lea rdx, [rdx + rdx*4]
shl rdx, 1
mov r8, r9
sub r9, rdx
lea rdx, [r8 + r8*4]
shl rdx, 1
sub r10, rdx
nop dword [rax + rax]
cmp r12, rsi
jae 0x490dca
mov qword [rsp + 0x70], r9
mov qword [rsp + 0x58], r10
mov qword [rsp + 0x50], rdi
lea rax, [0x004eddc0]
mov rdi, r12
mov rdx, rbx
mov rbx, rcx
mov rcx, rdx
call fcn.004487e0
lea rsi, [rbx + 3]
mov rbx, qword [rsp + 0x60]
mov rdi, qword [rsp + 0x50]
mov r9, qword [rsp + 0x70]
mov r10, qword [rsp + 0x58]
mov r12, rcx
mov rcx, rax
sar rdi, 6
lea edx, [rdi + 0x30]
mov byte [rcx + rbx], dl
lea edx, [r9 + 0x30]
mov byte [rcx + rbx + 1], dl
lea edx, [r10 + 0x30]
mov byte [rcx + rbx + 2], dl
jmp 0x490eee
lea rsi, [rdx + 4]
mov rcx, rax
movabs rax, 0xa3d70a3d70a3d70b
mov rbx, rdx
imul r10
add rdx, r10
sar rdx, 6
movzx r8d, dl
imul r8d, r8d, 0x19a
shr r8d, 0xc
lea r8d, [r8 + r8*4]
shl r8d, 1
sub edx, r8d
movabs rax, 0xcccccccccccccccd
mov edi, edx
imul r10
add rdx, r10
mov r8, rdx
sar rdx, 3
movabs rax, 0xcccccccccccccccd
mov r9, rdx
imul rdx
add rdx, r9
sar rdx, 3
sar r8, 0x3f
sub rdx, r8
lea rdx, [rdx + rdx*4]
shl rdx, 1
mov r8, r9
sub r9, rdx
lea rdx, [r8 + r8*4]
shl rdx, 1
mov r8, r10
sub r10, rdx
cmp r12, rsi
jae 0x490ec0
mov qword [rsp + 0x58], r10
mov byte [rsp + 0x47], dil
mov qword [rsp + 0x50], r9
lea rax, [0x004eddc0]
mov rdi, r12
mov rdx, rbx
mov rbx, rcx
mov rcx, rdx
call fcn.004487e0
lea rsi, [rbx + 4]
mov rbx, qword [rsp + 0x60]
movzx edi, byte [rsp + 0x47]
mov r8, qword [rsp + 0x70]
mov r9, qword [rsp + 0x50]
mov r10, qword [rsp + 0x58]
mov r12, rcx
mov rcx, rax
movabs rax, 0x4189374bc6a7ef9e
imul r8
sar rdx, 8
add edx, 0x30
mov byte [rcx + rbx], dl
lea edx, [rdi + 0x30]
mov byte [rcx + rbx + 1], dl
lea edx, [r9 + 0x30]
mov byte [rcx + rbx + 2], dl
lea edx, [r10 + 0x30]
mov byte [rcx + rbx + 3], dl
mov rax, rcx
mov rbx, rsi
mov rcx, r12
mov rbp, qword [rsp + 0x80]
add rsp, 0x88
ret
mov byte [rax + rdx], r9b
inc rbx
shl r11, 4
mov r9, r11
mov rdx, r8
nop dword [rax + rax]
cmp rdi, rbx
jle 0x490fac
lea r8, [rdx + 1]
mov r11, r9
shr r9, 0x3c
and r9d, 0xf
movzx r9d, byte [rcx + r9]
nop dword [rax]
cmp r12, r8
jae 0x490f07
mov qword [rsp + 0x48], rbx
mov byte [rsp + 0x46], r9b
mov qword [rsp + 0x58], rdx
mov qword [rsp + 0x68], r11
mov rbx, rax
mov rcx, rdx
mov rdi, r12
mov rsi, r8
lea rax, [0x004eddc0]
call fcn.004487e0
lea r8, [rbx + 1]
mov rdx, qword [rsp + 0x58]
mov rbx, qword [rsp + 0x48]
movzx esi, byte [rsp + 0xb0]
mov rdi, qword [rsp + 0xa8]
movzx r9d, byte [rsp + 0x46]
mov r10, qword [rsp + 0x70]
mov r11, qword [rsp + 0x68]
mov r12, rcx
mov rcx, qword [rsp + 0x78]
jmp 0x490f07
mov r8, rdx
jmp 0x490bb6
mov byte [rax + rdx], r9b
shl r11, 4
mov r9, r11
mov rdx, r8
test r9, r9
je 0x49103a
lea r8, [rdx + 1]
mov r11, r9
shr r9, 0x3c
and r9d, 0xf
movzx r9d, byte [rcx + r9]
nop dword [rax + rax]
cmp r12, r8
jae 0x490fb4
mov qword [rsp + 0x58], rdx
mov qword [rsp + 0x68], r11
mov byte [rsp + 0x46], r9b
mov rbx, rax
mov rcx, rdx
mov rdi, r12
mov rsi, r8
lea rax, [0x004eddc0]
call fcn.004487e0
lea r8, [rbx + 1]
mov rdx, qword [rsp + 0x58]
movzx esi, byte [rsp + 0xb0]
movzx r9d, byte [rsp + 0x46]
mov r10, qword [rsp + 0x70]
mov r11, qword [rsp + 0x68]
mov r12, rcx
mov rcx, qword [rsp + 0x78]
jmp 0x490fb4
mov r8, rdx
nop dword [rax]
jmp 0x490bb6
mov qword [rsp + 8], rax
mov qword [rsp + 0x10], rbx
mov qword [rsp + 0x18], rcx
mov qword [rsp + 0x20], rdi
mov byte [rsp + 0x28], sil
mov byte [rsp + 0x29], r8b
mov qword [rsp + 0x30], r9
mov qword [rsp + 0x38], r10
mov qword [rsp + 0x40], r11
call fcn.0045efe0
mov rax, qword [rsp + 8]
mov rbx, qword [rsp + 0x10]
mov rcx, qword [rsp + 0x18]
mov rdi, qword [rsp + 0x20]
movzx esi, byte [rsp + 0x28]
movzx r8d, byte [rsp + 0x29]
mov r9, qword [rsp + 0x30]
mov r10, qword [rsp + 0x38]
mov r11, qword [rsp + 0x40]
jmp fcn.00490900