1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
3 #include "tomcrypt_private.h"
4
5 /**
6 @file x25519_export.c
7 Export a X25519 key to a binary packet, Steffen Jaeckel
8 */
9
10 #ifdef LTC_CURVE25519
11
12 /**
13 Export a X25519 key to a binary packet
14 @param out [out] The destination for the key
15 @param outlen [in/out] The max size and resulting size of the X25519 key
16 @param type Which type of key (PK_PRIVATE, PK_PUBLIC|PK_STD or PK_PUBLIC)
17 @param key The key you wish to export
18 @return CRYPT_OK if successful
19 */
x25519_export(unsigned char * out,unsigned long * outlen,int which,const curve25519_key * key)20 int x25519_export( unsigned char *out, unsigned long *outlen,
21 int which,
22 const curve25519_key *key)
23 {
24 LTC_ARGCHK(key != NULL);
25
26 if (key->algo != LTC_OID_X25519) return CRYPT_PK_INVALID_TYPE;
27
28 return ec25519_export(out, outlen, which, key);
29 }
30
31 #endif
32