Mercurial > dropbear

comparison crypto_desc.c @ 1748:34d9d3c022ce

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Use Dropbear's random source rather than libtommath's platform
author Matt Johnston <matt@ucc.asn.au>
date Mon, 19 Oct 2020 22:49:19 +0800
parents 750ec4ec4cbe
children 13cb8cc1b0e4
comparison
equal deleted inserted replaced
1747:ff51d5967e2d 1748:34d9d3c022ce
1 #include "includes.h" 1 #include "includes.h"
2 #include "dbutil.h" 2 #include "dbutil.h"
3 #include "crypto_desc.h" 3 #include "crypto_desc.h"
4 #include "ltc_prng.h" 4 #include "ltc_prng.h"
5 #include "ecc.h" 5 #include "ecc.h"
6 #include "dbrandom.h"
6 7
7 #if DROPBEAR_LTC_PRNG 8 #if DROPBEAR_LTC_PRNG
8 int dropbear_ltc_prng = -1; 9 int dropbear_ltc_prng = -1;
9 #endif 10 #endif
11
12 /* Wrapper for libtommath */
13 static mp_err dropbear_rand_source(void* out, size_t size) {
14 genrandom((unsigned char*)out, (unsigned int)size);
15 return MP_OKAY;
16 }
10 17
11 18
12 /* Register the compiled in ciphers. 19 /* Register the compiled in ciphers.
13 * This should be run before using any of the ciphers/hashes */ 20 * This should be run before using any of the ciphers/hashes */
14 void crypto_init() { 21 void crypto_init() {
65 if (dropbear_ltc_prng == -1) { 72 if (dropbear_ltc_prng == -1) {
66 dropbear_exit("Error registering crypto"); 73 dropbear_exit("Error registering crypto");
67 } 74 }
68 #endif 75 #endif
69 76
77 mp_rand_source(dropbear_rand_source);
78
70 #if DROPBEAR_ECC 79 #if DROPBEAR_ECC
71 ltc_mp = ltm_desc; 80 ltc_mp = ltm_desc;
72 dropbear_ecc_fill_dp(); 81 dropbear_ecc_fill_dp();
73 #endif 82 #endif
74 } 83 }