Function at 0x5643c0
Capabilities:
Encode data using base64

Disassembly:
lea r12, [rsp - 0x5a8]
cmp r12, qword [r14 + 0x10]
jbe 0x564b26
push rbp
mov rbp, rsp
sub rsp, 0x620
mov qword [rsp + 0x660], r9
mov qword [rsp + 0x630], rax
mov qword [rsp + 0x638], rbx
mov qword [rsp + 0x640], rcx
mov qword [rsp + 0x650], rsi
mov qword [rsp + 0x648], rdi
mov qword [rsp + 0x658], r8
mov rax, r9
mov rbx, r10
mov rcx, r11
nop
call sym.crypto_ecdsa.parseSignature
test r9, r9
jne 0x564532
mov qword [rsp + 0x570], rdi
mov qword [rsp + 0x58], rcx
mov qword [rsp + 0x48], r8
mov qword [rsp + 0x40], rsi
mov qword [rsp + 0x50], rbx
mov qword [rsp + 0x580], rax
mov rdx, qword [rsp + 0x630]
mov rbx, qword [rdx + 0x20]
mov rsi, qword [rsp + 0x640]
mov rcx, qword [rsi + 0x10]
mov rdi, qword [rsi + 0x18]
mov rax, qword [rsp + 0x638]
call sym.crypto_ecdsa._nistCurve_go.shape.uint8__.pointFromAffine
nop dword [rax + rax]
test rbx, rbx
jne 0x564527
mov qword [rsp + 0x598], rax
lea rdi, [rsp + 0x460]
nop dword [rax]
mov qword [rsp - 0x10], rbp
lea rbp, [rsp - 0x10]
call fcn.00473494
mov rbp, qword [rbp]
mov qword [rsp + 0x618], 0
mov qword [rsp + 0x610], 0
mov qword [rsp + 0x618], 0x20
lea rdx, [rsp + 0x460]
mov qword [rsp + 0x608], rdx
mov rdx, qword [rsp + 0x638]
mov rsi, qword [rdx + 0x18]
lea rax, [rsp + 0x608]
mov rbx, qword [rsp + 0x580]
mov rcx, qword [rsp + 0x50]
mov rdi, qword [rsp + 0x58]
call sym.crypto_internal_bigmod._Nat_.SetBytes
test rbx, rbx
jne 0x56453d
mov rdx, qword [rax]
mov r8, qword [rax + 8]
xor ecx, ecx
mov ebx, 1
jmp 0x564572
xor eax, eax
add rsp, 0x620
pop rbp
ret
xor eax, eax
add rsp, 0x620
pop rbp
ret
xor eax, eax
add rsp, 0x620
pop rbp
ret
mov r9, qword [rdx + rcx*8]
inc rcx
mov r10, r9
sub r9, 0
sbb r9, r9
neg r9
xor r11d, r11d
sub r11, r10
sbb r10, r10
neg r10
or r10, r9
xor r10, 1
and rbx, r10
cmp rcx, r8
jl 0x564548
cmp rbx, 1
je 0x56453d
mov qword [rsp + 0x588], rax
lea rdi, [rsp + 0x360]
nop word [rax + rax]
nop word [rax + rax]
nop
mov qword [rsp - 0x10], rbp
lea rbp, [rsp - 0x10]
call fcn.00473494
mov rbp, qword [rbp]
mov qword [rsp + 0x600], 0
mov qword [rsp + 0x5f8], 0
mov qword [rsp + 0x600], 0x20
lea rdx, [rsp + 0x360]
mov qword [rsp + 0x5f0], rdx
mov rdx, qword [rsp + 0x638]
mov rsi, qword [rdx + 0x18]
lea rax, [rsp + 0x5f0]
mov rbx, qword [rsp + 0x570]
mov rcx, qword [rsp + 0x40]
mov rdi, qword [rsp + 0x48]
call sym.crypto_internal_bigmod._Nat_.SetBytes
test rbx, rbx
jne 0x564627
mov rdx, qword [rax + 8]
mov r9, qword [rax]
xor ecx, ecx
mov ebx, 1
jmp 0x564660
xor eax, eax
add rsp, 0x620
pop rbp
ret
mov r10, qword [r9 + rcx*8]
inc rcx
mov r11, r10
sub r10, 0
sbb r10, r10
neg r10
xor r12d, r12d
sub r12, r11
sbb r11, r11
neg r11
or r11, r10
xor r11, 1
and rbx, r11
nop dword [rax]
cmp rcx, rdx
jl 0x564632
cmp rbx, 1
je 0x564627
mov qword [rsp + 0x578], rax
nop
lea rdi, [rsp + 0x260]
nop dword [rax]
mov qword [rsp - 0x10], rbp
lea rbp, [rsp - 0x10]
call fcn.00473494
mov rbp, qword [rbp]
mov qword [rsp + 0x5e8], 0
mov qword [rsp + 0x5e0], 0
mov qword [rsp + 0x5e8], 0x20
lea rdx, [rsp + 0x260]
mov qword [rsp + 0x5d8], rdx
mov rdx, qword [rsp + 0x630]
mov rax, qword [rdx + 0x28]
mov rbx, qword [rsp + 0x638]
lea rcx, [rsp + 0x5d8]
mov rdi, qword [rsp + 0x648]
mov rsi, qword [rsp + 0x650]
mov r8, qword [rsp + 0x658]
nop dword [rax + rax]
call sym.crypto_ecdsa.hashToNat_go.shape.uint8_
nop
lea rdi, [rsp + 0x160]
nop word [rax + rax]
nop word [rax + rax]
mov qword [rsp - 0x10], rbp
lea rbp, [rsp - 0x10]
call fcn.00473494
mov rbp, qword [rbp]
mov qword [rsp + 0x5d0], 0
mov qword [rsp + 0x5c8], 0
mov qword [rsp + 0x5d0], 0x20
lea rdx, [rsp + 0x160]
mov qword [rsp + 0x5c0], rdx
mov rdx, qword [rsp + 0x630]
mov rax, qword [rdx + 0x30]
mov rbx, qword [rsp + 0x638]
lea rcx, [rsp + 0x5c0]
mov rdi, qword [rsp + 0x578]
call sym.crypto_ecdsa.inverse_go.shape.uint8_
mov rdx, qword [rsp + 0x638]
mov r9, qword [rdx]
mov r10, qword [r9]
mov rdx, r9
call r10
mov qword [rsp + 0x5a0], rax
mov rdx, qword [rsp + 0x638]
mov rcx, qword [rdx + 0x18]
lea rbx, [rsp + 0x5c0]
lea rax, [rsp + 0x5d8]
call sym.crypto_internal_bigmod._Nat_.Mul
mov qword [rsp + 0x568], rax
mov rdx, qword [rsp + 0x638]
mov r9, qword [rdx + 0x18]
mov r10, qword [r9]
mov r10, qword [r10 + 8]
shl r10, 6
sub r10, qword [r9 + 8]
lea r9, [r10 + 7]
sar r9, 0x3f
shr r9, 0x3d
lea rcx, [r10 + r9]
lea rcx, [rcx + 7]
sar rcx, 3
mov qword [rsp + 0x38], rcx
nop
mov rbx, rcx
lea rax, [0x006a4040]
call sym.runtime.makeslice
mov rdx, qword [rsp + 0x568]
mov r9, qword [rdx]
mov rdx, qword [rdx + 8]
mov r10, qword [rsp + 0x38]
mov rcx, r10
xor ebx, ebx
jmp 0x564840
inc rbx
mov r10, r8
nop
cmp rbx, rdx
jge 0x56485f
mov rsi, qword [r9 + rbx*8]
xor edi, edi
jmp 0x564ae8
test rsi, rsi
je 0x564838
jmp 0x564b07
mov r8, r10
jmp 0x564838
mov rdx, qword [rsp + 0x630]
mov rsi, qword [rdx]
mov rbx, rax
mov rdi, rcx
mov rax, qword [rsp + 0x5a0]
call rsi
nop word [rax + rax]
test rbx, rbx
jne 0x564922
mov qword [rsp + 0x590], rax
mov rdx, qword [rsp + 0x638]
mov rcx, qword [rdx + 0x18]
lea rax, [rsp + 0x5c0]
mov rbx, qword [rsp + 0x588]
call sym.crypto_internal_bigmod._Nat_.Mul
mov qword [rsp + 0x560], rax
mov rdx, qword [rsp + 0x638]
mov rsi, qword [rdx + 0x18]
mov rdi, qword [rsi]
mov rdi, qword [rdi + 8]
shl rdi, 6
sub rdi, qword [rsi + 8]
lea rsi, [rdi + 7]
sar rsi, 0x3f
shr rsi, 0x3d
lea rcx, [rdi + rsi]
lea rcx, [rcx + 7]
sar rcx, 3
mov qword [rsp + 0x30], rcx
nop
mov rbx, rcx
lea rax, [0x006a4040]
nop dword [rax]
call sym.runtime.makeslice
mov rdx, qword [rsp + 0x560]
mov rsi, qword [rdx]
mov rdx, qword [rdx + 8]
mov rdi, qword [rsp + 0x30]
mov rcx, rdi
xor ebx, ebx
nop
jmp 0x564933
xor eax, eax
add rsp, 0x620
pop rbp
ret
inc rbx
mov rdi, r10
cmp rbx, rdx
jge 0x564954
mov r8, qword [rsi + rbx*8]
xor r9d, r9d
nop
jmp 0x564aa0
test r8, r8
je 0x56492d
jmp 0x564abe
mov r10, rdi
jmp 0x56492d
mov rdx, qword [rsp + 0x630]
lea r8, [rdx + 8]
mov r9, qword [rdx + 8]
mov rbx, qword [rsp + 0x598]
mov rdi, rcx
mov rsi, rdi
mov rcx, rax
mov rax, rbx
mov rdx, r8
call r9
nop
test rbx, rbx
jne 0x564a81
mov rdx, qword [rsp + 0x630]
lea rsi, [rdx + 0x10]
mov rdi, qword [rdx + 0x10]
mov rbx, qword [rsp + 0x590]
mov rcx, rax
mov rax, rbx
mov rdx, rsi
call rdi
mov rdx, qword [rsp + 0x630]
lea rsi, [rdx + 0x18]
mov rdi, qword [rdx + 0x18]
mov rdx, rsi
nop
call rdi
test rdi, rdi
jne 0x564a75
lea rdi, [rsp + 0x60]
nop word [rax + rax]
nop dword [rax]
mov qword [rsp - 0x10], rbp
lea rbp, [rsp - 0x10]
call fcn.00473494
mov rbp, qword [rbp]
mov qword [rsp + 0x5b8], 0
mov qword [rsp + 0x5b0], 0
mov qword [rsp + 0x5b8], 0x20
lea rdx, [rsp + 0x60]
mov qword [rsp + 0x5a8], rdx
mov rdx, qword [rsp + 0x638]
mov rsi, qword [rdx + 0x18]
mov rdi, rcx
mov rcx, rbx
mov rbx, rax
lea rax, [rsp + 0x5a8]
call sym.crypto_internal_bigmod._Nat_.SetOverflowingBytes
test rbx, rbx
je 0x564a56
xor eax, eax
add rsp, 0x620
pop rbp
ret
mov rbx, qword [rsp + 0x588]
nop
call sym.crypto_internal_bigmod._Nat_.Equal
cmp rax, 1
sete al
add rsp, 0x620
pop rbp
ret
xor eax, eax
add rsp, 0x620
pop rbp
nop
ret
xor eax, eax
add rsp, 0x620
pop rbp
ret
mov byte [rdi + rax - 1], r8b
inc r9
shr r8, 8
mov rdi, r10
nop dword [rax + rax]
cmp r9, 8
jge 0x56494f
lea r10, [rdi - 1]
test r10, r10
jl 0x564945
cmp rcx, r10
ja 0x564a8c
jmp 0x564ad1
lea rax, [0x006a3fc0]
lea rbx, [0x00787bc0]
call sym.runtime.gopanic
mov rax, r10
call sym.runtime.panicIndex
mov byte [r10 + rax - 1], sil
inc rdi
shr rsi, 8
mov r10, r8
cmp rdi, 8
jge 0x56485a
lea r8, [r10 - 1]
test r8, r8
jl 0x564850
nop
cmp rcx, r8
ja 0x564ad9
jmp 0x564b1a
lea rax, [0x006a3fc0]
lea rbx, [0x00787bc0]
call sym.runtime.gopanic
mov rax, r8
nop dword [rax]
call sym.runtime.panicIndex
nop
mov qword [rsp + 8], rax
mov qword [rsp + 0x10], rbx
mov qword [rsp + 0x18], rcx
mov qword [rsp + 0x20], rdi
mov qword [rsp + 0x28], rsi
mov qword [rsp + 0x30], r8
mov qword [rsp + 0x38], r9
mov qword [rsp + 0x40], r10
mov qword [rsp + 0x48], r11
call sym.runtime.morestack_noctxt.abi0
mov rax, qword [rsp + 8]
mov rbx, qword [rsp + 0x10]
mov rcx, qword [rsp + 0x18]
mov rdi, qword [rsp + 0x20]
mov rsi, qword [rsp + 0x28]
mov r8, qword [rsp + 0x30]
mov r9, qword [rsp + 0x38]
mov r10, qword [rsp + 0x40]
mov r11, qword [rsp + 0x48]
jmp sym.crypto_ecdsa.verifyNISTEC_go.shape.uint8_