#ifndef CURVE_H
#define CURVE_H

#include "locking.h"
#include "built_in.h"
#include "ioops.h"
#include "rnd.h"
#include "taia.h"
#include "crypto.h"

struct curve25519_proto {
	unsigned char enonce[crypto_box_noncebytes] __aligned_16;
	unsigned char dnonce[crypto_box_noncebytes] __aligned_16;
	unsigned char key[crypto_box_noncebytes] __aligned_16;
};

struct curve25519_struct {
	unsigned char *enc_buf, *dec_buf;
	size_t enc_buf_size, dec_buf_size;
	struct spinlock enc_lock, dec_lock;
};

extern void curve25519_selftest(void);
extern void curve25519_alloc_or_maybe_die(struct curve25519_struct *curve);
extern void curve25519_free(void *curve);
extern int curve25519_pubkey_hexparse_32(unsigned char *bin, size_t blen, const char *ascii, size_t alen);
extern int curve25519_proto_init(struct curve25519_proto *proto, unsigned char *pubkey_remote, size_t len,
				 char *home, int server);
extern ssize_t curve25519_encode(struct curve25519_struct *curve, struct curve25519_proto *proto,
				 unsigned char *plaintext, size_t size, unsigned char **chipertext);
extern ssize_t curve25519_decode(struct curve25519_struct *curve, struct curve25519_proto *proto,
				 unsigned char *chipertext, size_t size, unsigned char **plaintext,
				 struct taia *arrival_taia);

#endif /* CURVE_H */
ump-back'>packet-rx-pump-back</option>
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