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Diffstat (limited to 'src/utils/cpp')
| -rw-r--r-- | src/utils/cpp/verify_hash.hpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/utils/cpp/verify_hash.hpp b/src/utils/cpp/verify_hash.hpp index 4ec3a30b..e827680d 100644 --- a/src/utils/cpp/verify_hash.hpp +++ b/src/utils/cpp/verify_hash.hpp @@ -24,6 +24,7 @@ /// \brief Check if the passed string \p s is a hash. /// This function is mainly used to check that the hash of a Digest received /// over the wire is a real hash, to prevent a malicious attack. +/// \returns Nullopt on success, error message on failure. [[nodiscard]] static inline auto IsAHash(std::string const& s) noexcept -> std::optional<std::string> { if (!std::all_of(s.begin(), s.end(), [](unsigned char c) { |