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comparison ecdsa.c @ 766:d1575fdc29a6 ecc

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start on ecdsa keys
author Matt Johnston <matt@ucc.asn.au>
date Tue, 09 Apr 2013 00:36:04 +0800
parents
children e465ed10c51d
comparison
equal deleted inserted replaced
765:5503e05ab3a4 766:d1575fdc29a6
1 #include "includes.h"
2 #include "dbutil.h"
3 #include "crypto_desc.h"
4
5 #ifdef DROPBEAR_ECDSA
6
7 ecc_key *gen_ecdsa_priv_key(unsigned int bit_size) {
8 const ltc_ecc_set_type *dp = NULL; // curve domain parameters
9 // TODO: use raw bytes for the dp rather than the hex strings in libtomcrypt's ecc.c
10 switch (bit_size) {
11 #ifdef DROPBEAR_ECC_256
12 case 256:
13 dp = &ltc_ecc_sets[0];
14 break;
15 #endif
16 #ifdef DROPBEAR_ECC_384
17 case 384:
18 dp = &ltc_ecc_sets[0];
19 break;
20 #endif
21 #ifdef DROPBEAR_ECC_521
22 case 521:
23 dp = &ltc_ecc_sets[0];
24 break;
25 #endif
26 }
27 if (!dp) {
28 dropbear_exit("Key size %d isn't valid. Try "
29 #ifdef DROPBEAR_ECC_256
30 "256 "
31 #endif
32 #ifdef DROPBEAR_ECC_384
33 "384 "
34 #endif
35 #ifdef DROPBEAR_ECC_521
36 "521 "
37 #endif
38 , bit_size);
39 }
40
41 ecc_key *new_key = m_malloc(sizeof(*new_key));
42 if (ecc_make_key_ex(NULL, dropbear_ltc_prng, new_key, dp) != CRYPT_OK) {
43 dropbear_exit("ECC error");
44 }
45 return new_key;
46 }
47
48 int buf_get_ecdsa_pub_key(buffer* buf, ecc_key *key) {
49
50 }
51
52
53 #endif // DROPBEAR_ECDSA