/usr/include/sodium/crypto_scalarmult_curve25519.h is in libsodium-dev 1.0.11-2.
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 | #ifndef crypto_scalarmult_curve25519_H
#define crypto_scalarmult_curve25519_H
#include <stddef.h>
#include "export.h"
#ifdef __cplusplus
extern "C" {
#endif
#define crypto_scalarmult_curve25519_BYTES 32U
SODIUM_EXPORT
size_t crypto_scalarmult_curve25519_bytes(void);
#define crypto_scalarmult_curve25519_SCALARBYTES 32U
SODIUM_EXPORT
size_t crypto_scalarmult_curve25519_scalarbytes(void);
SODIUM_EXPORT
int crypto_scalarmult_curve25519(unsigned char *q, const unsigned char *n,
const unsigned char *p)
__attribute__ ((warn_unused_result));
SODIUM_EXPORT
int crypto_scalarmult_curve25519_base(unsigned char *q, const unsigned char *n);
/* ------------------------------------------------------------------------- */
int _crypto_scalarmult_curve25519_pick_best_implementation(void);
#ifdef __cplusplus
}
#endif
#endif
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