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#include <cstdint>
#include <string>
std::string base64_encode(const void *data, size_t len);
void* base64_decode(const std::string &s, size_t *rel);
class Base64Encoder
{
private:
static const char *b64c;
uint8_t counter;
uint8_t rem;
std::string ret;
public:
Base64Encoder();
void encode_data(const void *data, size_t len);
std::string finalize();
};
class Base64Decoder
{
private:
static const uint8_t b64v[];
size_t dlen;
bool invalid;
uint8_t rem;
uint8_t counter;
size_t bp;
std::string s;
public:
Base64Decoder(std::string &&b);
size_t decoded_length();
size_t decode_data(const void *data, size_t len);
};
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