/usr/include/nacl/crypto_auth.h is in libnacl-dev 20110221-4.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 | #ifndef crypto_auth_H
#define crypto_auth_H
#include "crypto_auth_hmacsha512256.h"
#define crypto_auth crypto_auth_hmacsha512256
#define crypto_auth_verify crypto_auth_hmacsha512256_verify
#define crypto_auth_BYTES crypto_auth_hmacsha512256_BYTES
#define crypto_auth_KEYBYTES crypto_auth_hmacsha512256_KEYBYTES
#define crypto_auth_PRIMITIVE "hmacsha512256"
#define crypto_auth_IMPLEMENTATION crypto_auth_hmacsha512256_IMPLEMENTATION
#define crypto_auth_VERSION crypto_auth_hmacsha512256_VERSION
#endif
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