Function at 0x1800b76c0
Capabilities:
Encode data using xor

Disassembly:
push rbx
push rsi
push rdi
push r12
push r15
sub rsp, 0x90
mov rax, qword [0x18017a408]
xor rax, rsp
mov qword [rsp + 0x68], rax
mov rsi, qword [rsp + 0xe8]
mov rdi, r8
mov r8, qword [rsp + 0xe0]
mov r12d, r9d
mov qword [rsp + 0x38], r8
mov r15, rdx
mov rbx, rcx
test r9d, r9d
jne 0x1800b770b
mov al, 1
jmp 0x1800b79f8
test rdi, rdi
jne 0x1800b7727
mov rax, qword [rsi]
lea rdx, str.NULL_passed_to_CBC_decryptor
mov rcx, rsi
call qword [rax + 0x28]
xor al, al
jmp 0x1800b79f8
mov ecx, dword [rcx + 0xa8]
cmp ecx, 1
ja 0x1800b774d
mov rax, qword [rbx]
mov rcx, rbx
mov qword [rsp + 0x28], rsi
mov qword [rsp + 0x20], r8
mov r8, rdi
call qword [rax + 0x38]
jmp 0x1800b79f8
xor edx, edx
mov qword [rsp + 0x78], r14
mov eax, r12d
div ecx
mov r14d, eax
test edx, edx
je 0x1800b7777
mov rax, qword [rsi]
lea rdx, str.CBC_decrypt_input_not_a_multiple_of_the_cipher_block_size.
mov rcx, rsi
call qword [rax + 0x28]
xor al, al
jmp 0x1800b79f3
mov qword [rsp + 0x88], rbp
mov rcx, r8
mov qword [rsp + 0x80], r13
movzx r13d, byte [0x18017fda8]
call fcn.180015e00
mov ebp, eax
add eax, r12d
mov r12, qword [rsp + 0x38]
mov rcx, r12
mov dword [rsp + 0x30], eax
lea edx, [rax + 0x20]
call fcn.1800157f0
test al, al
jne 0x1800b77cb
mov rax, qword [rsi]
lea rdx, str.Unable_to_allocate_CBC_decrypt_output_buffer.
mov rcx, rsi
call qword [rax + 0x28]
xor al, al
jmp 0x1800b79e3
mov edx, ebp
mov rcx, r12
call fcn.180015b00
mov rsi, rax
test r13b, r13b
je 0x1800b78d2
mov r8d, dword [rbx + 0xa8]
lea rcx, [rsp + 0x48]
mov rdx, rdi
lea r12, [r15 + 8]
call fcn.1800caa00
mov r9, qword [rbx]
lea r8, [rsp + 0x58]
lea rdx, [rsp + 0x48]
mov rcx, rbx
call qword [r9 + 0x28]
xor ebp, ebp
mov edx, ebp
cmp dword [rbx + 0xa8], edx
jbe 0x1800b7838
nop dword [rax]
mov ecx, edx
inc edx
movzx eax, byte [rcx + r12]
xor al, byte [rsp + rcx + 0x58]
mov byte [rcx + rsi], al
cmp edx, dword [rbx + 0xa8]
jb 0x1800b7820
mov eax, dword [rbx + 0xa8]
add rsi, rax
lea r15, [rax + rdi]
add r14d, 0xffffffff
je 0x1800b78ac
nop dword [rax + rax]
mov r8, rax
lea rcx, [rsp + 0x48]
mov rdx, r15
call fcn.1800caa00
mov rax, qword [rbx]
lea r8, [rsp + 0x58]
lea rdx, [rsp + 0x48]
mov rcx, rbx
call qword [rax + 0x28]
mov edx, ebp
cmp dword [rbx + 0xa8], edx
jbe 0x1800b7897
nop dword [rax]
mov ecx, edx
inc edx
movzx eax, byte [rcx + rdi]
xor al, byte [rsp + rcx + 0x58]
mov byte [rcx + rsi], al
cmp edx, dword [rbx + 0xa8]
jb 0x1800b7880
mov eax, dword [rbx + 0xa8]
mov rdi, r15
add r15, rax
add rsi, rax
add r14d, 0xffffffff
jne 0x1800b7850
cmp dword [rbx + 0xa8], ebp
jbe 0x1800b78c8
movzx eax, byte [rbp + rdi]
mov byte [rbp + r12], al
inc ebp
cmp ebp, dword [rbx + 0xa8]
jb 0x1800b78b4
mov rcx, qword [rsp + 0x38]
jmp 0x1800b79d8
mov eax, dword [rbx + 0xa8]
cmp eax, 0x10
jne 0x1800b796c
mov rax, qword [rbx]
lea r8, [rsp + 0x38]
mov rdx, rdi
mov rcx, rbx
call qword [rax + 0x28]
mov rax, qword [r15 + 8]
lea rbp, [rdi + 0x10]
xor rax, qword [rsp + 0x38]
mov qword [rsi], rax
mov rax, qword [rsp + 0x40]
xor rax, qword [r15 + 0x10]
mov qword [rsi + 8], rax
add rsi, 0x10
add r14d, 0xffffffff
je 0x1800b795b
nop dword [rax]
mov rax, qword [rbx]
lea r8, [rsp + 0x38]
mov rdx, rbp
mov rcx, rbx
call qword [rax + 0x28]
mov rax, qword [rdi]
lea rsi, [rsi + 0x10]
xor rax, qword [rsp + 0x38]
mov qword [rsi - 0x10], rax
mov rax, qword [rdi + 8]
mov rdi, rbp
xor rax, qword [rsp + 0x40]
add rbp, 0x10
mov qword [rsi - 8], rax
add r14d, 0xffffffff
jne 0x1800b7920
mov rax, qword [rdi]
mov qword [r15 + 8], rax
mov rax, qword [rdi + 8]
mov qword [r15 + 0x10], rax
jmp 0x1800b79d5
cmp eax, 8
jne 0x1800b79e1
mov rax, qword [rbx]
lea r8, [rsp + 0x38]
mov rdx, rdi
mov rcx, rbx
call qword [rax + 0x28]
mov rax, qword [r15 + 8]
lea rbp, [rdi + 8]
xor rax, qword [rsp + 0x38]
mov qword [rsi], rax
add rsi, 8
add r14d, 0xffffffff
je 0x1800b79ce
nop dword [rax]
mov rax, qword [rbx]
lea r8, [rsp + 0x38]
mov rdx, rbp
mov rcx, rbx
call qword [rax + 0x28]
mov rax, qword [rdi]
lea rsi, [rsi + 8]
xor rax, qword [rsp + 0x38]
mov rdi, rbp
add rbp, 8
mov qword [rsi - 8], rax
add r14d, 0xffffffff
jne 0x1800b79a0
mov rax, qword [rdi]
mov qword [r15 + 8], rax
mov rcx, r12
mov edx, dword [rsp + 0x30]
call fcn.180016ad0
mov al, 1
mov r13, qword [rsp + 0x80]
mov rbp, qword [rsp + 0x88]
mov r14, qword [rsp + 0x78]
mov rcx, qword [rsp + 0x68]
xor rcx, rsp
call fcn.1800c9b90
add rsp, 0x90
pop r15
pop r12
pop rdi
pop rsi
pop rbx
ret