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+This is the reference C implementation of Argon2, the password-hashing
+function that won the Password Hashing Competition (PHC).
+
+Argon2 is a password-hashing function that summarizes the state of the art
+in the design of memory-hard functions and can be used to hash passwords
+for credential storage, key derivation, or other applications.
+
+It has a simple design aimed at the highest memory filling rate and effective
+use of multiple computing units, while still providing defense against
+tradeoff attacks (by exploiting the cache and memory organization of the
+recent processors).