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#ifndef CERT_TRANS_UTIL_UTIL_H_
#define CERT_TRANS_UTIL_UTIL_H_
#include <stdint.h>
#include <string>
#include <vector>
namespace util {
std::string HexString(const std::string& data);
std::string HexString(const std::string& data, char byte_delimiter);
std::string BinaryString(const std::string& hex_string);
bool ReadTextFile(const std::string& file, std::string* result);
bool ReadBinaryFile(const std::string& file, std::string* result);
// Write to a temporary file and return the filename, or an
// empty string on error.
std::string WriteTemporaryBinaryFile(const std::string& file_template,
const std::string& data);
// Create a temporary directory, and return the dirname, or an
// empty string on error.
std::string CreateTemporaryDirectory(const std::string& dir_template);
uint64_t TimeInMilliseconds();
// Return a non-cryptographic random string. Caller needs to ensure
// srand() is called if needed.
std::string RandomString(size_t min_length, size_t max_length);
std::string FromBase64(const char* b64);
std::string ToBase64(const std::string& from);
std::vector<std::string> split(const std::string& in, char delim = ',');
} // namespace util
#endif // CERT_TRANS_UTIL_UTIL_H_
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