Function at 0x1800b5650
Capabilities:
Authenticate hmac
Encode data using base64
Encode data using xor

Disassembly:
sub rsp, 0x28
cmp byte [rcx + 0xa], 0
mov rax, rcx
je 0x1800b605a
movdqa xmm3, xmmword [0x180164c10]
xor r11d, r11d
movdqa xmm4, xmmword [0x180164b70]
mov r8d, r11d
movdqa xmm5, xmmword [0x180164ba0]
mov qword [rsp + 0x20], rbx
mov ebx, dword [0x180182290]
movaps xmmword [rsp + 0x10], xmm6
movaps xmmword [rsp], xmm7
cmp ebx, 5
jl 0x1800b5762
movzx ecx, word [rcx]
movdqa xmm0, xmm4
movdqa xmm2, xmmword [0x180168d00]
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm5
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax], cx
movzx ecx, word [rax + 2]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm4
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax + 2], cx
movzx ecx, word [rax + 4]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm5
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax + 4], cx
movzx ecx, word [rax + 6]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm4
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax + 6], cx
movzx ecx, word [rax + 8]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movd ecx, xmm1
mov word [rax + 8], cx
jmp 0x1800b578d
movabs r9, 0x7ffefe7efefefffe
nop dword [rax]
movzx ecx, r8b
mov rdx, r9
and cl, 3
shl cl, 3
shr rdx, cl
xor byte [rax + r8], dl
inc r8
cmp r8, 0xa
jb 0x1800b5770
xor byte [rax + 2], 0xdf
xor byte [rax + 4], 0xdf
xor byte [rax + 6], 0x7f
xor byte [rax + 8], 0xdf
movzx r8d, byte [rax + 4]
movzx edx, byte [rax + 2]
xor r8b, 0x3d
movzx r9d, byte [rax + 6]
xor r8b, 0xfb
movzx r10d, byte [rax + 8]
xor dl, 0x5f
movzx ecx, byte [rax + 5]
xor r9b, 0x5f
xor byte [rax], 0x4a
xor r10b, 0x5f
xor byte [rax + 1], 0xfd
xor dl, 0xbb
xor byte [rax + 3], 0x3e
xor r9b, 0xbb
xor byte [rax + 7], 9
xor r10b, 0xbe
xor byte [rax + 9], 0x7b
not cl
movdqa xmm6, xmmword [0x180164bd0]
xor cl, 0xb6
movdqa xmm7, xmmword [0x180164bc0]
mov byte [rax + 4], r8b
mov r8, r11
mov byte [rax + 2], dl
mov byte [rax + 5], cl
mov byte [rax + 6], r9b
mov byte [rax + 8], r10b
cmp ebx, 5
jl 0x1800b58de
movzx ecx, word [rax]
movdqa xmm0, xmm4
movdqa xmm2, xmmword [0x18016b460]
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm5
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax], cx
movzx ecx, word [rax + 2]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm7
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax + 2], cx
movzx ecx, word [rax + 4]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm6
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax + 4], cx
movzx ecx, word [rax + 6]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm4
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax + 6], cx
movzx ecx, word [rax + 8]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movd ecx, xmm1
mov word [rax + 8], cx
jmp 0x1800b590d
movabs r9, 0xd9bbbd9dd9bff9fd
nop dword [rax + rax]
movzx ecx, r8b
mov rdx, r9
and cl, 7
shl cl, 3
shr rdx, cl
xor byte [rax + r8], dl
inc r8
cmp r8, 0xa
jb 0x1800b58f0
xor byte [rax], 0xec
mov r8, r11
xor byte [rax + 1], 0xec
xor byte [rax + 2], 0xec
xor byte [rax + 3], 0xec
xor byte [rax + 4], 0xec
xor byte [rax + 5], 0xec
xor byte [rax + 6], 0xec
xor byte [rax + 7], 0xec
xor byte [rax + 8], 0xec
xor byte [rax + 9], 0xec
cmp ebx, 5
jl 0x1800b5a06
movzx ecx, word [rax]
movdqa xmm0, xmm4
movdqa xmm2, xmmword [0x18016c920]
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm4
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax], cx
movzx ecx, word [rax + 2]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm4
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax + 2], cx
movzx ecx, word [rax + 4]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm4
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax + 4], cx
movzx ecx, word [rax + 6]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm4
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax + 6], cx
movzx ecx, word [rax + 8]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movd ecx, xmm1
mov word [rax + 8], cx
jmp 0x1800b5a2d
movabs r9, 0xf7f77fff7ff7ff77
movzx ecx, r8b
mov rdx, r9
and cl, 1
shl cl, 3
shr rdx, cl
xor byte [rax + r8], dl
inc r8
cmp r8, 0xa
jb 0x1800b5a10
xor byte [rax], 0xee
mov r8, r11
xor byte [rax + 1], 0x76
xor byte [rax + 2], 0x67
xor byte [rax + 3], 0xee
xor byte [rax + 4], 0x76
xor byte [rax + 5], 0x67
xor byte [rax + 6], 0xee
xor byte [rax + 7], 0x76
xor byte [rax + 8], 0x67
xor byte [rax + 9], 0xee
cmp ebx, 5
jl 0x1800b5b26
movzx ecx, word [rax]
movdqa xmm0, xmm4
movdqa xmm2, xmmword [0x18016b2d0]
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm5
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax], cx
movzx ecx, word [rax + 2]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm4
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax + 2], cx
movzx ecx, word [rax + 4]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm5
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax + 4], cx
movzx ecx, word [rax + 6]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm4
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax + 6], cx
movzx ecx, word [rax + 8]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movd ecx, xmm1
mov word [rax + 8], cx
jmp 0x1800b5b4d
movabs r9, 0xd7ddfff5577f7fd5
movzx ecx, r8b
mov rdx, r9
and cl, 3
shl cl, 3
shr rdx, cl
xor byte [rax + r8], dl
inc r8
cmp r8, 0xa
jb 0x1800b5b30
xor byte [rax + 2], 0x77
xor byte [rax + 4], 0x5c
xor byte [rax + 6], 0x6d
xor byte [rax + 8], 0x7d
movzx r8d, byte [rax + 6]
movzx ecx, byte [rax + 2]
xor r8b, 0x7b
movzx edx, byte [rax + 4]
xor r8b, 0x36
movzx r9d, byte [rax + 8]
xor cl, 0x33
xor byte [rax], 0x9c
xor dl, 0xfb
xor byte [rax + 1], 0xb8
xor r9b, 0x33
xor byte [rax + 3], 0x60
xor cl, 0x3f
xor byte [rax + 5], 0x50
xor dl, 0xef
xor byte [rax + 7], 0xb6
xor r9b, 0xae
xor byte [rax + 9], 0x1c
mov byte [rax + 6], r8b
mov r8, r11
mov byte [rax + 2], cl
mov byte [rax + 4], dl
mov byte [rax + 8], r9b
cmp ebx, 5
jl 0x1800b5c82
movzx ecx, word [rax]
movdqa xmm0, xmm4
movdqa xmm2, xmmword [0x18016dce0]
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm5
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax], cx
movzx ecx, word [rax + 2]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm7
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax + 2], cx
movzx ecx, word [rax + 4]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm6
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax + 4], cx
movzx ecx, word [rax + 6]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm4
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax + 6], cx
movzx ecx, word [rax + 8]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movd ecx, xmm1
mov word [rax + 8], cx
jmp 0x1800b5cad
movabs r9, 0xfff9b9719d7bdb3b
nop dword [rax]
movzx ecx, r8b
mov rdx, r9
and cl, 7
shl cl, 3
shr rdx, cl
xor byte [rax + r8], dl
inc r8
cmp r8, 0xa
jb 0x1800b5c90
xor byte [rax], 0xd1
mov r8, r11
xor byte [rax + 1], 0xd1
xor byte [rax + 2], 0xd1
xor byte [rax + 3], 0xd1
xor byte [rax + 4], 0xd1
xor byte [rax + 5], 0xd1
xor byte [rax + 6], 0xd1
xor byte [rax + 7], 0xd1
xor byte [rax + 8], 0xd1
xor byte [rax + 9], 0xd1
cmp ebx, 5
jl 0x1800b5da6
movzx ecx, word [rax]
movdqa xmm0, xmm4
movdqa xmm2, xmmword [0x18016a9a0]
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm4
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax], cx
movzx ecx, word [rax + 2]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm4
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax + 2], cx
movzx ecx, word [rax + 4]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm4
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax + 4], cx
movzx ecx, word [rax + 6]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm4
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax + 6], cx
movzx ecx, word [rax + 8]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movd ecx, xmm1
mov word [rax + 8], cx
jmp 0x1800b5dcd
movabs r9, 0xc4d3594451e56946
movzx ecx, r8b
mov rdx, r9
and cl, 1
shl cl, 3
shr rdx, cl
xor byte [rax + r8], dl
inc r8
cmp r8, 0xa
jb 0x1800b5db0
xor byte [rax], 0xf3
mov r8, r11
xor byte [rax + 1], 0x66
xor byte [rax + 2], 0xb2
xor byte [rax + 3], 0xf3
xor byte [rax + 4], 0x66
xor byte [rax + 5], 0xb2
xor byte [rax + 6], 0xf3
xor byte [rax + 7], 0x66
xor byte [rax + 8], 0xb2
xor byte [rax + 9], 0xf3
cmp ebx, 5
jl 0x1800b5ec6
movzx ecx, word [rax]
movdqa xmm0, xmm4
movdqa xmm2, xmmword [0x180165a20]
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm5
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax], cx
movzx ecx, word [rax + 2]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm4
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax + 2], cx
movzx ecx, word [rax + 4]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm5
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax + 4], cx
movzx ecx, word [rax + 6]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movdqa xmm0, xmm4
movd ecx, xmm1
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
mov word [rax + 6], cx
movzx ecx, word [rax + 8]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movd ecx, xmm1
mov word [rax + 8], cx
jmp 0x1800b5eed
movabs r9, 0x3d1ebf77df967510
movzx ecx, r8b
mov rdx, r9
and cl, 3
shl cl, 3
shr rdx, cl
xor byte [rax + r8], dl
inc r8
cmp r8, 0xa
jb 0x1800b5ed0
xor byte [rax + 2], 0x5f
xor byte [rax + 4], 0xd
xor byte [rax + 6], 0x38
xor byte [rax + 8], 0x19
movzx ecx, byte [rax + 2]
movzx edx, byte [rax + 4]
xor cl, 0x8c
movzx r8d, byte [rax + 6]
xor dl, 0xc6
movzx r9d, byte [rax + 8]
xor r8b, 0x4e
xor byte [rax], 0x41
xor r9b, 0x8c
xor byte [rax + 1], 0xba
xor cl, 0x7f
xor byte [rax + 3], 0xe2
xor dl, 0xab
xor byte [rax + 5], 0x8b
xor r8b, 3
xor byte [rax + 7], 0x99
xor r9b, 0x97
xor byte [rax + 9], 0xa6
cmp ebx, 5
mov byte [rax + 2], cl
mov rbx, qword [rsp + 0x20]
mov byte [rax + 4], dl
mov byte [rax + 6], r8b
mov byte [rax + 8], r9b
jl 0x1800b6024
movzx ecx, word [rax]
movdqa xmm0, xmm4
movdqa xmm2, xmmword [0x180167df0]
psllq xmm0, 3
vpsrlvq xmm1, xmm2, xmm0
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
psllq xmm7, 3
movd ecx, xmm1
psllq xmm6, 3
psllq xmm5, 3
mov word [rax], cx
movzx ecx, word [rax + 2]
vpsrlvq xmm1, xmm2, xmm5
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
psllq xmm4, 3
movd ecx, xmm1
vpsrlvq xmm1, xmm2, xmm7
movaps xmm7, xmmword [rsp]
mov word [rax + 2], cx
movzx ecx, word [rax + 4]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movd ecx, xmm1
vpsrlvq xmm1, xmm2, xmm6
movaps xmm6, xmmword [rsp + 0x10]
mov word [rax + 4], cx
movzx ecx, word [rax + 6]
pshufb xmm1, xmm3
movd xmm0, ecx
xorps xmm1, xmm0
movd ecx, xmm1
vpsrlvq xmm1, xmm2, xmm4
pshufb xmm1, xmm3
mov word [rax + 6], cx
movzx ecx, word [rax + 8]
movd xmm0, ecx
xorps xmm1, xmm0
movd ecx, xmm1
mov word [rax + 8], cx
mov byte [rax + 0xa], 0
add rsp, 0x28
ret
movabs r8, 0x7b2f47671dc94bd5
nop
movzx ecx, r11b
mov rdx, r8
and cl, 7
shl cl, 3
shr rdx, cl
xor byte [rax + r11], dl
inc r11
cmp r11, 0xa
jb 0x1800b6030
movaps xmm7, xmmword [rsp]
movaps xmm6, xmmword [rsp + 0x10]
mov byte [rax + 0xa], 0
add rsp, 0x28
ret