/usr/include/sodium/crypto_secretbox_xsalsa20poly1305.h is in libsodium-dev 1.0.0-1.
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 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 | #ifndef crypto_secretbox_xsalsa20poly1305_H
#define crypto_secretbox_xsalsa20poly1305_H
#include <stddef.h>
#include "export.h"
#ifdef __cplusplus
# if __GNUC__
# pragma GCC diagnostic ignored "-Wlong-long"
# endif
extern "C" {
#endif
#define crypto_secretbox_xsalsa20poly1305_KEYBYTES 32U
SODIUM_EXPORT
size_t crypto_secretbox_xsalsa20poly1305_keybytes(void);
#define crypto_secretbox_xsalsa20poly1305_NONCEBYTES 24U
SODIUM_EXPORT
size_t crypto_secretbox_xsalsa20poly1305_noncebytes(void);
#define crypto_secretbox_xsalsa20poly1305_ZEROBYTES 32U
SODIUM_EXPORT
size_t crypto_secretbox_xsalsa20poly1305_zerobytes(void);
#define crypto_secretbox_xsalsa20poly1305_BOXZEROBYTES 16U
SODIUM_EXPORT
size_t crypto_secretbox_xsalsa20poly1305_boxzerobytes(void);
#define crypto_secretbox_xsalsa20poly1305_MACBYTES \
(crypto_secretbox_xsalsa20poly1305_ZEROBYTES - \
crypto_secretbox_xsalsa20poly1305_BOXZEROBYTES)
SODIUM_EXPORT
size_t crypto_secretbox_xsalsa20poly1305_macbytes(void);
SODIUM_EXPORT
int crypto_secretbox_xsalsa20poly1305(unsigned char *c,
const unsigned char *m,
unsigned long long mlen,
const unsigned char *n,
const unsigned char *k);
SODIUM_EXPORT
int crypto_secretbox_xsalsa20poly1305_open(unsigned char *m,
const unsigned char *c,
unsigned long long clen,
const unsigned char *n,
const unsigned char *k);
#ifdef __cplusplus
}
#endif
#endif
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