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#pragma once
#include <string>
namespace pEp
// Returns false if a.size() != b.size().
// Compares always _all_ characters of 'a' and 'b' so runtime does not
// depends on the character position where the strings differ.
// Use this function instead of operator== if timing sidechannel attack
// might be a security problem.
bool constant_time_equal(const std::string& a, const std::string& b);
} // end of namespace pEp