Function binaryToBase64

libs/utils/src/utils/encoding/Base64Utils.cpp:14–24

namespace snap::utils::encoding {

std::string binaryToBase64(const uint8_t* data, size_t size) {
    size_t maxOutSize = 0;
    if (size == 0 || EVP_EncodedLength(&maxOutSize, size) != 1 || maxOutSize == 0) {
        return "";
    }

    std::string result(maxOutSize, '\0');
    EVP_EncodeBlock(reinterpret_cast<uint8_t*>(result.data()), data, size);
    result.resize(result.size() - 1); // remove the trailing \0 that EVP_EncodeBlock always writes
    return result;
}

std::string binaryToBase64(const std::vector<uint8_t>& binary) {
    return binaryToBase64(binary.data(), binary.size());