Function at 0x51d3c0
Capabilities:
Encode data using base64

Disassembly:
cmp rsp, qword [r14 + 0x10]
jbe 0x51d726
push rbp
mov rbp, rsp
sub rsp, 0x60
mov qword [rsp + 0x70], rax
mov qword [rsp + 0x78], rbx
mov qword [rsp + 0x88], rdi
mov qword [rsp + 0x80], rcx
nop
lea rax, [0x0054a820]
xor ebx, ebx
mov ecx, 0x20
nop dword [rax + rax]
call sym.runtime.makeslice
mov qword [rsp + 0x58], rax
lea rax, [0x00558460]
call sym.runtime.newobject
mov qword [rax + 0x10], 0x20
cmp dword [0x00826e60], 0
jne 0x51d42e
mov rdx, qword [rsp + 0x58]
jmp 0x51d43b
call sym.runtime.gcWriteBarrier1
mov rdx, qword [rsp + 0x58]
mov qword [r11], rdx
mov qword [rsp + 0x48], rax
mov qword [rax], rdx
mov rdx, qword [rsp + 0x78]
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
lea rax, [0x0054a7e0]
mov rbx, rcx
call sym.runtime.makeslice
mov qword [rsp + 0x58], rax
mov rbx, qword [rsp + 0x88]
mov rcx, rax
mov rdi, qword [rsp + 0x30]
mov rsi, rdi
mov r8, rsi
mov rax, qword [rsp + 0x80]
call sym.io.ReadAtLeast
test rbx, rbx
jne 0x51d5b8
mov rdi, qword [rsp + 0x30]
mov rcx, rdi
shl rdi, 3
mov rdx, qword [rsp + 0x78]
mov r8, qword [rdx + 0x18]
mov r9, qword [r8]
mov r9, qword [r9 + 8]
shl r9, 6
sub r9, qword [r8 + 8]
sub rdi, r9
nop
test rdi, rdi
jle 0x51d557
mov qword [rsp + 0x40], rdi
mov rcx, qword [rdx + 8]
mov rax, qword [rdx + 0x10]
mov rcx, qword [rcx + 0x30]
call rcx
cmp qword [rax + 0x38], 5
nop dword [rax]
jne 0x51d70f
mov rdx, qword [rax + 0x30]
cmp dword [rdx], 0x32352d50
jne 0x51d70f
cmp byte [rdx + 4], 0x31
nop word [rax + rax]
jne 0x51d70f
mov rdi, qword [rsp + 0x30]
test rdi, rdi
jbe 0x51d705
mov rbx, qword [rsp + 0x58]
movzx edx, byte [rbx]
mov rcx, qword [rsp + 0x40]
shr dl, cl
cmp rcx, 8
sbb r8d, r8d
and edx, r8d
mov byte [rbx], dl
mov rcx, rdi
mov rdx, qword [rsp + 0x78]
mov rsi, qword [rdx + 0x18]
mov rax, qword [rsp + 0x48]
mov rbx, qword [rsp + 0x58]
mov rdi, rcx
call sym.crypto_internal_bigmod._Nat_.SetBytes
test rbx, rbx
je 0x51d579
mov rsi, qword [rsp + 0x48]
jmp 0x51d593
mov rsi, qword [rsp + 0x48]
mov rdi, qword [rsi]
mov r8, qword [rsi + 8]
xor eax, eax
mov ecx, 1
jmp 0x51d5f5
test rcx, rcx
je 0x51d5fc
mov rdx, qword [0x007d20c0]
nop word [rax + rax]
test rdx, rdx
je 0x51d443
mov rax, qword [rdx]
call rax
mov rsi, qword [rsp + 0x48]
jmp 0x51d443
mov rax, qword [rsp + 0x48]
mov rdi, rcx
mov rcx, rbx
xor ebx, ebx
add rsp, 0x60
pop rbp
ret
mov r9, qword [rdi + rax*8]
inc rax
mov r10, r9
sub r9, 0
sbb r9, r9
neg r9
xor r11d, r11d
sub r11, r10
sbb r10, r10
neg r10
or r9, r10
xor r9, 1
and rcx, r9
cmp rax, r8
jl 0x51d5cb
jmp 0x51d58e
mov rax, qword [rsp + 0x78]
mov rdx, qword [rax]
mov rcx, qword [rdx]
call rcx
mov qword [rsp + 0x50], rax
mov rcx, qword [rsp + 0x78]
mov rcx, qword [rcx + 0x18]
mov rbx, qword [rcx]
mov rbx, qword [rbx + 8]
shl rbx, 6
sub rbx, qword [rcx + 8]
lea rcx, [rbx + 7]
sar rcx, 0x3f
shr rcx, 0x3d
lea rcx, [rbx + rcx]
lea rcx, [rcx + 7]
sar rcx, 3
mov qword [rsp + 0x38], rcx
nop
mov rbx, rcx
lea rax, [0x0054a7e0]
call sym.runtime.makeslice
mov rcx, qword [rsp + 0x48]
mov rbx, qword [rcx]
mov rsi, qword [rcx + 8]
mov rdi, qword [rsp + 0x38]
mov rdx, rdi
xor r8d, r8d
jmp 0x51d672
inc r8
mov rdi, r11
cmp r8, rsi
jge 0x51d68e
mov r9, qword [rbx + r8*8]
xor r10d, r10d
nop
jmp 0x51d6cd
test r9, r9
je 0x51d66c
jmp 0x51d6e7
mov r11, rdi
jmp 0x51d66c
mov rsi, qword [rsp + 0x70]
mov r8, qword [rsi]
mov rbx, rax
mov rcx, rdx
mov rdi, rcx
mov rdx, rsi
mov rax, qword [rsp + 0x50]
call r8
mov rdi, rcx
mov rcx, rbx
mov rbx, rax
mov rax, qword [rsp + 0x48]
add rsp, 0x60
pop rbp
ret
mov byte [rdi + rax - 1], r9b
inc r10
shr r9, 8
mov rdi, r11
cmp r10, 8
jge 0x51d689
lea r11, [rdi - 1]
test r11, r11
jl 0x51d682
nop dword [rax]
cmp rdx, r11
ja 0x51d6be
jmp 0x51d6fa
lea rax, [0x0054a4a0]
lea rbx, [0x006eb768]
call sym.runtime.gopanic
mov rax, r11
mov rcx, rdx
call sym.runtime.panicIndex
xor eax, eax
mov rcx, rax
call sym.runtime.panicIndex
lea rax, [0x0054a4a0]
lea rbx, [0x006eb778]
nop dword [rax]
call sym.runtime.gopanic
nop
mov qword [rsp + 8], rax
mov qword [rsp + 0x10], rbx
mov qword [rsp + 0x18], rcx
mov qword [rsp + 0x20], rdi
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]
jmp sym.crypto_ecdsa.randomPoint_go.shape.uint8_