1 // SPDX-License-Identifier: BSD-2-Clause
2 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
3 *
4 * LibTomCrypt is a library that provides various cryptographic
5 * algorithms in a highly modular and flexible manner.
6 *
7 * The library is free for all purposes without any express
8 * guarantee it works.
9 */
10 #include "tomcrypt_private.h"
11
12 /**
13 @file x25519_export.c
14 Export a X25519 key to a binary packet, Steffen Jaeckel
15 */
16
17 #ifdef LTC_CURVE25519
18
19 /**
20 Export a X25519 key to a binary packet
21 @param out [out] The destination for the key
22 @param outlen [in/out] The max size and resulting size of the X25519 key
23 @param type Which type of key (PK_PRIVATE, PK_PUBLIC|PK_STD or PK_PUBLIC)
24 @param key The key you wish to export
25 @return CRYPT_OK if successful
26 */
x25519_export(unsigned char * out,unsigned long * outlen,int which,const curve25519_key * key)27 int x25519_export( unsigned char *out, unsigned long *outlen,
28 int which,
29 const curve25519_key *key)
30 {
31 LTC_ARGCHK(key != NULL);
32
33 if (key->algo != PKA_X25519) return CRYPT_PK_INVALID_TYPE;
34
35 return ec25519_export(out, outlen, which, key);
36 }
37
38 #endif
39
40 /* ref: $Format:%D$ */
41 /* git commit: $Format:%H$ */
42 /* commit time: $Format:%ai$ */
43