Function at 0x48ec20
Capabilities:
Encode data using base64

Disassembly:
lea r12, [rsp - 0x130]
cmp r12, qword [r14 + 0x10]
jbe 0x48f4f5
push rbp
mov rbp, rsp
sub rsp, 0x1a8
mov qword [rsp + 0x270], rax
mov qword [rsp + 0x278], rbx
movups xmmword [rsp + 0x1b8], xmm15
lea rdi, [rsp + 0x1c0]
lea rdi, [rdi - 0x10]
mov qword [rsp - 0x10], rbp
lea rbp, [rsp - 0x10]
call fcn.00461a6f
mov rbp, qword [rbp]
lea rax, [0x0055db80]
nop dword [rax]
call fcn.0040cea0
mov qword [rsp + 0x108], rax
mov word [rsp + 0x46], 0
movups xmmword [rsp + 0x118], xmm15
movups xmmword [rsp + 0x120], xmm15
movups xmmword [rsp + 0x130], xmm15
movups xmmword [rsp + 0x140], xmm15
movups xmmword [rsp + 0x150], xmm15
mov rbx, qword [rsp + 0x278]
test rbx, rbx
jne 0x48ecd2
xor ecx, ecx
jmp 0x48ed44
lea rax, [rsp + 0x118]
call fcn.0048e180
nop
test rax, rax
je 0x48ed34
test bl, bl
je 0x48ed14
mov r8, qword [rsp + 0x108]
mov r9d, dword [r8]
nop word [rax + rax]
nop dword [rax]
test r9d, 0x3f
jne 0x48f44b
xor eax, eax
jmp 0x48f48c
mov r8, qword [rsp + 0x108]
mov r9d, dword [r8]
nop
test r9d, 0x3f
jne 0x48f3b7
xor eax, eax
jmp 0x48f3e2
mov eax, 8
mov rcx, rax
mov rax, qword [rsp + 0x108]
mov rsi, qword [rsp + 0x270]
movzx r8d, byte [rsi + 0x14]
test r8b, 1
je 0x48ed5e
mov edx, 0x48
jmp 0x48ed63
mov edx, 0x38
movzx r8d, word [rsi + 0x30]
test r8w, r8w
jne 0x48ed76
xor r8d, r8d
xor r9d, r9d
jmp 0x48ed8d
lea r9, [rdx + rsi]
nop word [rax + rax]
cmp r8, 0x10000
ja 0x48f3aa
mov qword [rsp + 0x50], r8
mov qword [rsp + 0xf8], r9
xor edx, edx
jmp 0x48edc6
mov rdx, qword [rsp + 0x78]
inc rdx
mov rsi, qword [rsp + 0x270]
mov r8, qword [rsp + 0x50]
mov r9, qword [rsp + 0xf8]
mov rcx, rax
mov rax, qword [rsp + 0x108]
mov qword [rsp + 0x88], rcx
cmp r8, rdx
jle 0x48eeda
mov qword [rsp + 0x78], rdx
mov rbx, qword [r9 + rdx*8]
mov qword [rsp + 0x100], rbx
lea rax, [rsp + 0x118]
call fcn.0048dea0
test rax, rax
jne 0x48eeb4
mov rsi, qword [rsp + 0x100]
movzx r8d, byte [rsi + 0x15]
mov r9, qword [rsp + 0x88]
lea r9, [r9 + r8]
lea r9, [r9 - 1]
neg r8
and r8, r9
mov rcx, qword [rsp + 0x138]
nop
add r8, qword [rsi]
nop
mov rax, qword [rsp + 0x78]
cmp rax, rcx
jae 0x48f3a5
mov rsi, qword [rsp + 0x130]
lea r9, [rcx - 1]
mov r10, qword [rsi + rax*8]
cmp rax, r9
jne 0x48ee5b
mov rsi, qword [rsp + 0x120]
jmp 0x48ee6e
lea r9, [rax + 1]
nop
cmp rcx, r9
jbe 0x48f398
mov rsi, qword [rsi + rax*8 + 8]
mov rdx, qword [rsp + 0x128]
cmp rsi, rdx
ja 0x48f390
nop
cmp rsi, r10
jb 0x48f385
mov r9, qword [rsp + 0x118]
mov r11, r10
sub r10, rdx
lea rdx, [r11 + r11*2]
shl rdx, 4
sar r10, 0x3f
and r10, rdx
lea rdx, [r9 + r10]
sub rsi, r11
xor ecx, ecx
jmp 0x48f2cd
mov rbx, qword [rax + 0x18]
mov rax, qword [rsp + 0x108]
mov rcx, qword [rsp + 0x100]
call fcn.00491460
mov rax, qword [rsp + 0x88]
jmp 0x48ed9e
mov rdx, qword [rsp + 0x148]
lea r8, [rdx + 7]
and r8, 0xfffffffffffffff8
nop
nop
mov word [rsp + 0x44], 0
movups xmmword [rsp + 0x160], xmm15
movups xmmword [rsp + 0x168], xmm15
movups xmmword [rsp + 0x178], xmm15
movups xmmword [rsp + 0x188], xmm15
movups xmmword [rsp + 0x198], xmm15
mov qword [rsp + 0x190], r8
movzx r9d, word [rsi + 0x32]
and r9d, 0x7fff
nop
test r9w, r9w
jne 0x48ef42
xor r11d, r11d
xor esi, esi
jmp 0x48ef88
movzx r10d, byte [rsi + 0x14]
test r10b, 1
je 0x48ef54
mov ebx, 0x48
jmp 0x48ef59
mov ebx, 0x38
movzx r10d, word [rsi + 0x30]
add r9d, r10d
add rsi, rbx
movzx r9d, r9w
cmp r10, r9
ja 0x48f2ba
sub r9, r10
mov r11, r9
neg r9
shl r10, 3
sar r9, 0x3f
and r10, r9
add rsi, r10
mov qword [rsp + 0x80], rdx
mov qword [rsp + 0x58], r8
mov qword [rsp + 0x48], r11
mov qword [rsp + 0xf0], rsi
xor ebx, ebx
jmp 0x48efe0
mov rbx, qword [rsp + 0x70]
inc rbx
mov rax, qword [rsp + 0x108]
mov rcx, qword [rsp + 0x88]
mov rdx, qword [rsp + 0x80]
mov rsi, qword [rsp + 0xf0]
mov r8, qword [rsp + 0x58]
mov r11, qword [rsp + 0x48]
nop dword [rax + rax]
cmp r11, rbx
jle 0x48f0c5
mov qword [rsp + 0x70], rbx
mov rcx, qword [rsi + rbx*8]
mov qword [rsp + 0x110], rcx
lea rax, [rsp + 0x160]
mov rbx, rcx
call fcn.0048dea0
test rax, rax
jne 0x48f0a5
mov rcx, qword [rsp + 0x180]
nop
mov rax, qword [rsp + 0x70]
cmp rax, rcx
jae 0x48f2b5
mov rsi, qword [rsp + 0x178]
lea r8, [rcx - 1]
mov r9, qword [rsi + rax*8]
cmp rax, r8
jne 0x48f049
mov rsi, qword [rsp + 0x168]
jmp 0x48f05b
lea r8, [rax + 1]
cmp rcx, r8
jbe 0x48f2ad
mov rsi, qword [rsi + rax*8 + 8]
mov rdx, qword [rsp + 0x170]
cmp rsi, rdx
ja 0x48f2a5
cmp rsi, r9
jb 0x48f298
mov r8, qword [rsp + 0x160]
lea r10, [r9 + r9*2]
mov r11, r9
sub r9, rdx
shl r10, 4
sar r9, 0x3f
and r9, r10
lea rdx, [r8 + r9]
sub rsi, r11
xor ecx, ecx
nop dword [rax + rax]
jmp 0x48f1e9
mov rbx, qword [rax + 0x18]
mov rax, qword [rsp + 0x108]
mov rcx, qword [rsp + 0x110]
call fcn.00491460
nop
jmp 0x48efa6
sub qword [rsp + 0x190], r8
movups xmmword [rsp + 0x1b8], xmm15
lea rdi, [rsp + 0x1c0]
lea rdi, [rdi - 0x10]
mov qword [rsp - 0x10], rbp
lea rbp, [rsp - 0x10]
call fcn.00461a6f
mov rbp, qword [rbp]
mov rbx, qword [rsp + 0x118]
mov qword [rsp + 0x1b8], rbx
movups xmm0, xmmword [rsp + 0x120]
movups xmmword [rsp + 0x1c0], xmm0
movups xmm0, xmmword [rsp + 0x130]
movups xmmword [rsp + 0x1d0], xmm0
movups xmm0, xmmword [rsp + 0x140]
movups xmmword [rsp + 0x1e0], xmm0
movups xmm0, xmmword [rsp + 0x150]
movups xmmword [rsp + 0x1f0], xmm0
mov rbx, qword [rsp + 0x160]
mov qword [rsp + 0x200], rbx
movups xmm0, xmmword [rsp + 0x168]
movups xmmword [rsp + 0x208], xmm0
movups xmm0, xmmword [rsp + 0x178]
movups xmmword [rsp + 0x218], xmm0
movups xmm0, xmmword [rsp + 0x188]
movups xmmword [rsp + 0x228], xmm0
movups xmm0, xmmword [rsp + 0x198]
movups xmmword [rsp + 0x238], xmm0
mov qword [rsp + 0x248], rdx
mov qword [rsp + 0x250], r8
add rcx, 7
and rcx, 0xfffffffffffffff8
mov qword [rsp + 0x258], rcx
mov qword [rsp + 0x260], rax
movzx eax, word [rsp + 0x46]
mov word [rsp + 0x268], ax
movzx eax, word [rsp + 0x44]
mov word [rsp + 0x26a], ax
add rsp, 0x1a8
pop rbp
nop
ret
add rdx, 0x30
lea rcx, [rbx + 1]
cmp rcx, rsi
jge 0x48efa6
movups xmm0, xmmword [rdx]
movups xmmword [rsp + 0x90], xmm0
movups xmm0, xmmword [rdx + 0x10]
movups xmmword [rsp + 0xa0], xmm0
movups xmm0, xmmword [rdx + 0x20]
movups xmmword [rsp + 0xb0], xmm0
cmp qword [rsp + 0x90], 3
nop
jne 0x48f27e
mov r8, qword [rsp + 0xb0]
mov r9, r8
sar r8, 0x3f
shr r8, 0x3d
add r8, r9
mov r10, r8
sar r8, 3
nop
cmp r8, 2
jae 0x48f28b
and r10, 0xfffffffffffffff8
sub r9, r10
test r9, r9
jl 0x48f286
movzx r10d, byte [rsp + r8 + 0x44]
mov rbx, rcx
mov rcx, r9
mov r11d, 1
shl r11d, cl
cmp rcx, 0x20
sbb r9d, r9d
and r9d, r11d
or r10d, r9d
mov byte [rsp + r8 + 0x44], r10b
jmp 0x48f1e1
mov rbx, rcx
jmp 0x48f1e1
call fcn.00433b20
mov rax, r8
mov ecx, 2
call fcn.004617c0
mov rax, r9
mov rcx, rsi
nop
call fcn.00461880
mov rcx, rsi
call fcn.00461840
mov rax, r8
call fcn.004617c0
call fcn.004617c0
mov eax, r10d
mov rcx, r9
call fcn.00461900
add rdx, 0x30
lea rcx, [rbx + 1]
cmp rcx, rsi
jge 0x48f367
movups xmm0, xmmword [rdx]
movups xmmword [rsp + 0xc0], xmm0
movups xmm0, xmmword [rdx + 0x10]
movups xmmword [rsp + 0xd0], xmm0
movups xmm0, xmmword [rdx + 0x20]
movups xmmword [rsp + 0xe0], xmm0
cmp qword [rsp + 0xc0], 3
jne 0x48f35f
mov r9, qword [rsp + 0xe0]
mov r10, r9
sar r9, 0x3f
shr r9, 0x3d
add r9, r10
mov r11, r9
sar r9, 3
cmp r9, 2
jae 0x48f374
and r11, 0xfffffffffffffff8
sub r10, r11
test r10, r10
jl 0x48f36f
movzx r11d, byte [rsp + r9 + 0x46]
mov rbx, rcx
mov rcx, r10
mov r12d, 1
shl r12d, cl
cmp rcx, 0x20
sbb r10d, r10d
and r10d, r12d
or r11d, r10d
mov byte [rsp + r9 + 0x46], r11b
jmp 0x48f2c5
mov rbx, rcx
jmp 0x48f2c5
mov rax, r8
jmp 0x48ed9e
call fcn.00433b20
mov rax, r9
mov ecx, 2
nop dword [rax]
call fcn.004617c0
mov rax, r10
mov rcx, rsi
call fcn.00461880
mov rcx, rsi
call fcn.00461840
mov rax, r9
nop dword [rax + rax]
call fcn.004617c0
call fcn.004617c0
mov edx, r8d
mov ebx, 0x10000
call fcn.004618c0
mov rcx, qword [r8 + 0x10]
mov eax, dword [r8]
shr eax, 3
cmp rcx, rax
jbe 0x48f3d0
inc dword [r8]
xor eax, eax
jmp 0x48ed39
call fcn.004617c0
mov qword [r8 + 0x10], rbx
mov byte [rbx + r9 - 1], 0
inc rax
cmp rax, 8
jge 0x48f3b7
mov rcx, qword [r8 + 0x18]
mov rbx, qword [r8 + 0x10]
inc rbx
mov r9, qword [r8 + 8]
cmp rcx, rbx
jae 0x48f3d5
mov qword [rsp + 0x60], rax
mov rax, r9
mov edi, 1
lea rsi, [0x0054ff40]
call fcn.00448400
mov rdx, qword [rsp + 0x108]
mov qword [rdx + 0x18], rcx
cmp dword [0x006d5900], 0
je 0x48f43a
call fcn.00461460
mov qword [r11], rax
mov r8, qword [rdx + 8]
mov qword [r11 + 8], r8
mov qword [rdx + 8], rax
mov r8, rdx
mov r9, rax
mov rax, qword [rsp + 0x60]
jmp 0x48f3d5
mov rcx, qword [r8 + 0x10]
mov eax, dword [r8]
mov esi, eax
shr esi, 3
cmp rcx, rsi
jbe 0x48f478
mov r9, qword [r8 + 8]
movzx r10d, byte [r9 + rsi]
and eax, 7
bts r10d, eax
mov byte [r9 + rsi], r10b
inc dword [r8]
jmp 0x48f3c9
mov eax, esi
call fcn.004617c0
mov qword [r8 + 0x10], rbx
mov byte [rbx + r9 - 1], 0
inc rax
cmp rax, 8
jge 0x48f44b
mov rcx, qword [r8 + 0x18]
mov rbx, qword [r8 + 0x10]
inc rbx
mov r9, qword [r8 + 8]
cmp rcx, rbx
jae 0x48f47f
mov qword [rsp + 0x68], rax
mov rax, r9
mov edi, 1
lea rsi, [0x0054ff40]
call fcn.00448400
mov rdx, qword [rsp + 0x108]
mov qword [rdx + 0x18], rcx
cmp dword [0x006d5900], 0
je 0x48f4e4
call fcn.00461460
mov qword [r11], rax
mov r8, qword [rdx + 8]
mov qword [r11 + 8], r8
mov qword [rdx + 8], rax
mov r8, rdx
mov r9, rax
mov rax, qword [rsp + 0x68]
jmp 0x48f47f
mov qword [rsp + 0xc0], rax
mov qword [rsp + 0xc8], rbx
call fcn.0045f540
mov rax, qword [rsp + 0xc0]
mov rbx, qword [rsp + 0xc8]
jmp fcn.0048ec20