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comparison sprng.c @ 0:d7da3b1e1540 libtomcrypt

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put back the 0.95 makefile which was inadvertently merged over
author Matt Johnston <matt@ucc.asn.au>
date Mon, 31 May 2004 18:21:40 +0000
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children 5d99163f7e32
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-1:000000000000 0:d7da3b1e1540
1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
2 *
3 * LibTomCrypt is a library that provides various cryptographic
4 * algorithms in a highly modular and flexible manner.
5 *
6 * The library is free for all purposes without any express
7 * guarantee it works.
8 *
9 * Tom St Denis, [email protected], http://libtomcrypt.org
10 */
11
12 /* A secure PRNG using the RNG functions. Basically this is a
13 * wrapper that allows you to use a secure RNG as a PRNG
14 * in the various other functions.
15 */
16 #include "mycrypt.h"
17
18 #ifdef SPRNG
19
20 const struct _prng_descriptor sprng_desc =
21 {
22 "sprng",
23 &sprng_start,
24 &sprng_add_entropy,
25 &sprng_ready,
26 &sprng_read
27 };
28
29 int sprng_start(prng_state *prng)
30 {
31 return CRYPT_OK;
32 }
33
34 int sprng_add_entropy(const unsigned char *buf, unsigned long len, prng_state *prng)
35 {
36 return CRYPT_OK;
37 }
38
39 int sprng_ready(prng_state *prng)
40 {
41 return CRYPT_OK;
42 }
43
44 unsigned long sprng_read(unsigned char *buf, unsigned long len, prng_state *prng)
45 {
46 _ARGCHK(buf != NULL);
47 return rng_get_bytes(buf, len, NULL);
48 }
49
50 #endif
51
52
53