Function at 0x58d920
Capabilities:
Encode data using base64

Disassembly:
lea r12, [rsp - 0x38]
cmp r12, qword [r14 + 0x10]
jbe 0x58de7b
sub rsp, 0xb8
mov qword [rsp + 0xb0], rbp
lea rbp, [rsp + 0xb0]
mov word [rsp + 0xc0], ax
mov qword [rsp + 0xc8], rbx
mov rdx, qword [rbx + 0x18]
mov rcx, qword [rbx + 0x20]
lea rax, [0x0065a6a0]
mov rbx, rdx
call fcn.0040ae60
test rax, rax
je 0x58dc9a
mov rcx, qword [rax + 0x18]
mov rax, rbx
call rcx
nop
test rax, rax
je 0x58dc83
mov edx, dword [rax + 0x10]
cmp edx, 0x188a5798
jne 0x58d9c9
lea rdx, [0x00652660]
nop dword [rax + rax]
cmp rax, rdx
jne 0x58dc83
lea rax, [0x00648ba0]
call fcn.0040d2e0
mov word [rax], 0x807
mov edx, 1
mov ecx, 1
jmp 0x58dcb1
cmp edx, 0x2fd00e80
jne 0x58dbad
lea rdx, [0x00671cc0]
nop dword [rax]
cmp rax, rdx
jne 0x58dc83
movzx edx, word [rsp + 0xc0]
cmp dx, 0x304
jne 0x58db85
mov rax, qword [rbx]
mov qword [rsp + 0x88], rax
mov rbx, qword [rbx + 8]
mov qword [rsp + 0xa8], rbx
nop
mov edx, dword [0x00902c78]
test edx, edx
jne 0x58da41
lea rax, [0x00902c78]
lea rbx, [0x006b1be0]
call fcn.00477380
mov rax, qword [rsp + 0x88]
mov rbx, qword [rsp + 0xa8]
mov rcx, qword [0x008ab6a0]
lea rdx, [0x006fd5d0]
cmp rax, rdx
jne 0x58da78
call fcn.00403cc0
nop dword [rax]
test al, al
jne 0x58db62
mov rax, qword [rsp + 0x88]
mov rbx, qword [rsp + 0xa8]
nop
mov edx, dword [0x00902c78]
nop
test edx, edx
jne 0x58daa7
lea rax, [0x00902c78]
lea rbx, [0x006b1be0]
call fcn.00477380
mov rax, qword [rsp + 0x88]
mov rbx, qword [rsp + 0xa8]
mov rcx, qword [0x008ab6a8]
lea rdx, [0x006fd3d8]
cmp rax, rdx
jne 0x58dad8
call fcn.00403cc0
nop
test al, al
jne 0x58db4e
mov rax, qword [rsp + 0x88]
mov rbx, qword [rsp + 0xa8]
nop
mov edx, dword [0x00902c78]
nop
test edx, edx
jne 0x58db07
lea rax, [0x00902c78]
lea rbx, [0x006b1be0]
call fcn.00477380
mov rax, qword [rsp + 0x88]
mov rbx, qword [rsp + 0xa8]
mov rcx, qword [0x008ab6b0]
lea rdx, [0x006fd618]
cmp rax, rdx
jne 0x58db37
call fcn.00403cc0
nop
test al, al
je 0x58db37
lea rax, [0x00648ba0]
call fcn.0040d2e0
mov word [rax], 0x603
jmp 0x58db73
xor eax, eax
xor ebx, ebx
mov rcx, rbx
mov rbp, qword [rsp + 0xb0]
add rsp, 0xb8
ret
lea rax, [0x00648ba0]
call fcn.0040d2e0
mov word [rax], 0x503
nop
jmp 0x58db73
lea rax, [0x00648ba0]
call fcn.0040d2e0
mov word [rax], 0x403
mov edx, 1
mov ecx, 1
nop dword [rax]
jmp 0x58dcb1
lea rax, [0x00649bc0]
call fcn.0040d2e0
movabs rcx, 0x203060305030403
mov qword [rax], rcx
mov edx, 4
mov ecx, 4
jmp 0x58dcb1
cmp edx, 0xcc456746
jne 0x58dc83
lea rdx, [0x00655e20]
cmp rax, rdx
jne 0x58dc83
mov rdx, qword [rbx]
nop
mov rsi, qword [rdx + 0x10]
mov rdx, qword [rdx + 8]
lea rdi, [rsi - 1]
test rdi, rdi
jl 0x58dc02
mov rdx, qword [rdx + rsi*8 - 8]
bsr rdx, rdx
mov rsi, 0xffffffffffffffff
cmove rdx, rsi
shl rdi, 6
lea rdx, [rdx + rdi]
lea rdx, [rdx + 1]
nop
jmp 0x58dc04
xor edx, edx
mov qword [rsp + 0x50], rdx
mov rcx, qword [0x008a1e28]
mov qword [rsp + 0x60], rcx
lea rax, [0x0064e000]
xor ebx, ebx
nop
call fcn.00449540
mov rdx, qword [0x008a1e28]
mov rsi, qword [0x008a1e20]
mov rdi, qword [rsp + 0x50]
lea r8, [rdi + 7]
sar r8, 0x3f
shr r8, 0x3d
lea rdi, [r8 + rdi]
lea rdi, [rdi + 7]
test rdx, rdx
jle 0x58dc7a
mov qword [rsp + 0x80], rdx
sar rdi, 3
mov qword [rsp + 0x48], rdi
movzx r8d, word [rsp + 0xc0]
mov rcx, qword [rsp + 0x60]
xor ebx, ebx
xor r9d, r9d
jmp 0x58dddc
mov rcx, qword [rsp + 0x60]
xor edx, edx
jmp 0x58dcb1
xor eax, eax
xor ebx, ebx
mov rcx, rbx
mov rbp, qword [rsp + 0xb0]
add rsp, 0xb8
ret
xor eax, eax
xor ebx, ebx
mov rcx, rbx
mov rbp, qword [rsp + 0xb0]
add rsp, 0xb8
ret
mov rsi, qword [rsp + 0xc8]
cmp qword [rsi + 0x28], 0
nop
je 0x58dcda
mov qword [rsp + 0x90], rax
mov qword [rsp + 0x58], rdx
xor ecx, ecx
xor ebx, ebx
xor edi, edi
xor r8d, r8d
jmp 0x58dd14
mov rbx, rdx
mov rbp, qword [rsp + 0xb0]
add rsp, 0xb8
ret
mov r9, qword [rsp + 0x80]
lea rcx, [r9 + 1]
mov rdx, qword [rsp + 0x58]
mov rbx, rsi
mov r8, rax
mov rax, qword [rsp + 0x90]
mov rsi, qword [rsp + 0xc8]
cmp rdx, rcx
jle 0x58ddbc
mov qword [rsp + 0x80], rcx
mov qword [rsp + 0x68], rbx
mov qword [rsp + 0x70], rdi
mov qword [rsp + 0x98], r8
movzx edx, word [rax + rcx*2]
mov word [rsp + 0x44], dx
mov rbx, qword [rsi + 0x28]
mov r8, qword [rsi + 0x30]
mov rdi, qword [rsi + 0x38]
mov eax, edx
mov rcx, r8
call fcn.00590640
test al, al
je 0x58dda5
mov rcx, qword [rsp + 0x68]
lea rsi, [rcx + 1]
mov rdi, qword [rsp + 0x70]
cmp rdi, rsi
jb 0x58dd77
mov rax, qword [rsp + 0x98]
jmp 0x58dd97
lea rax, [0x0064e000]
mov rbx, qword [rsp + 0x98]
call fcn.00449620
lea rsi, [rbx + 1]
mov rdi, rcx
mov rcx, qword [rsp + 0x68]
movzx edx, word [rsp + 0x44]
mov word [rax + rcx*2], dx
jmp 0x58dced
mov rdi, qword [rsp + 0x70]
mov rsi, qword [rsp + 0x68]
mov rax, qword [rsp + 0x98]
jmp 0x58dced
mov rax, r8
mov rcx, rdi
mov rbp, qword [rsp + 0xb0]
add rsp, 0xb8
ret
add rsi, 0x18
mov rbx, r9
mov r9, r10
movzx r10d, word [rsi + 0x10]
movzx r11d, word [rsi]
cmp qword [rsi + 8], rdi
jg 0x58de63
cmp r8w, r10w
ja 0x58de63
lea r10, [r9 + 1]
cmp rcx, r10
jae 0x58de5c
mov qword [rsp + 0x78], rbx
mov qword [rsp + 0xa0], rsi
mov qword [rsp + 0x58], r9
mov word [rsp + 0x46], r11w
mov rbx, rax
mov rdi, rcx
mov rsi, r10
lea rax, [0x0064e000]
mov rcx, r9
call fcn.00449620
lea r10, [rbx + 1]
mov rdx, qword [rsp + 0x80]
mov rbx, qword [rsp + 0x78]
mov rsi, qword [rsp + 0xa0]
mov rdi, qword [rsp + 0x48]
movzx r8d, word [rsp + 0xc0]
mov r9, qword [rsp + 0x58]
movzx r11d, word [rsp + 0x46]
mov word [rax + r9*2], r11w
jmp 0x58de66
mov r10, r9
lea r9, [rbx + 1]
cmp rdx, r9
jg 0x58ddd2
mov rdx, r10
jmp 0x58dcb1
mov word [rsp + 8], ax
mov qword [rsp + 0x10], rbx
call fcn.00460de0
movzx eax, word [rsp + 8]
mov rbx, qword [rsp + 0x10]
jmp fcn.0058d920