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