Function EncodeBase64

src/util/strencodings.cpp:97–106

}

std::string EncodeBase64(std::span<const unsigned char> input)
{
    static const char *pbase64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";

    std::string str;
    str.reserve(CeilDiv(input.size(), 3u) * 4);
    ConvertBits<8, 6, true>([&](int v) { str += pbase64[v]; }, input.begin(), input.end());
    while (str.size() % 4) str += '=';
    return str;
}

std::optional<std::vector<unsigned char>> DecodeBase64(std::string_view str)
{