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comparison libtomcrypt/src/headers/tomcrypt_prng.h @ 1439:8d24733026c5 coverity

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merge
author Matt Johnston <matt@ucc.asn.au>
date Sat, 24 Jun 2017 23:33:16 +0800
parents f849a5ca2efc
children 6dba84798cd5
comparison
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1400:238a439670f5 1439:8d24733026c5
1 /* ---- PRNG Stuff ---- */ 1 /* ---- PRNG Stuff ---- */
2 #ifdef YARROW 2 #ifdef LTC_YARROW
3 struct yarrow_prng { 3 struct yarrow_prng {
4 int cipher, hash; 4 int cipher, hash;
5 unsigned char pool[MAXBLOCKSIZE]; 5 unsigned char pool[MAXBLOCKSIZE];
6 symmetric_CTR ctr; 6 symmetric_CTR ctr;
7 LTC_MUTEX_TYPE(prng_lock) 7 LTC_MUTEX_TYPE(prng_lock)
8 }; 8 };
9 #endif 9 #endif
10 10
11 #ifdef RC4 11 #ifdef LTC_RC4
12 struct rc4_prng { 12 struct rc4_prng {
13 int x, y; 13 int x, y;
14 unsigned char buf[256]; 14 unsigned char buf[256];
15 }; 15 };
16 #endif 16 #endif
17 17
18 #ifdef FORTUNA 18 #ifdef LTC_FORTUNA
19 struct fortuna_prng { 19 struct fortuna_prng {
20 hash_state pool[FORTUNA_POOLS]; /* the pools */ 20 hash_state pool[LTC_FORTUNA_POOLS]; /* the pools */
21 21
22 symmetric_key skey; 22 symmetric_key skey;
23 23
24 unsigned char K[32], /* the current key */ 24 unsigned char K[32], /* the current key */
25 IV[16]; /* IV for CTR mode */ 25 IV[16]; /* IV for CTR mode */
31 ulong64 reset_cnt; /* number of times we have reset */ 31 ulong64 reset_cnt; /* number of times we have reset */
32 LTC_MUTEX_TYPE(prng_lock) 32 LTC_MUTEX_TYPE(prng_lock)
33 }; 33 };
34 #endif 34 #endif
35 35
36 #ifdef SOBER128 36 #ifdef LTC_SOBER128
37 struct sober128_prng { 37 struct sober128_prng {
38 ulong32 R[17], /* Working storage for the shift register */ 38 ulong32 R[17], /* Working storage for the shift register */
39 initR[17], /* saved register contents */ 39 initR[17], /* saved register contents */
40 konst, /* key dependent constant */ 40 konst, /* key dependent constant */
41 sbuf; /* partial word encryption buffer */ 41 sbuf; /* partial word encryption buffer */
47 }; 47 };
48 #endif 48 #endif
49 49
50 typedef union Prng_state { 50 typedef union Prng_state {
51 char dummy[1]; 51 char dummy[1];
52 #ifdef YARROW 52 #ifdef LTC_YARROW
53 struct yarrow_prng yarrow; 53 struct yarrow_prng yarrow;
54 #endif 54 #endif
55 #ifdef RC4 55 #ifdef LTC_RC4
56 struct rc4_prng rc4; 56 struct rc4_prng rc4;
57 #endif 57 #endif
58 #ifdef FORTUNA 58 #ifdef LTC_FORTUNA
59 struct fortuna_prng fortuna; 59 struct fortuna_prng fortuna;
60 #endif 60 #endif
61 #ifdef SOBER128 61 #ifdef LTC_SOBER128
62 struct sober128_prng sober128; 62 struct sober128_prng sober128;
63 #endif 63 #endif
64 } prng_state; 64 } prng_state;
65 65
66 /** PRNG descriptor */ 66 /** PRNG descriptor */
116 @return CRYPT_OK if successful, CRYPT_NOP if self-testing has been disabled 116 @return CRYPT_OK if successful, CRYPT_NOP if self-testing has been disabled
117 */ 117 */
118 int (*test)(void); 118 int (*test)(void);
119 } prng_descriptor[]; 119 } prng_descriptor[];
120 120
121 #ifdef YARROW 121 #ifdef LTC_YARROW
122 int yarrow_start(prng_state *prng); 122 int yarrow_start(prng_state *prng);
123 int yarrow_add_entropy(const unsigned char *in, unsigned long inlen, prng_state *prng); 123 int yarrow_add_entropy(const unsigned char *in, unsigned long inlen, prng_state *prng);
124 int yarrow_ready(prng_state *prng); 124 int yarrow_ready(prng_state *prng);
125 unsigned long yarrow_read(unsigned char *out, unsigned long outlen, prng_state *prng); 125 unsigned long yarrow_read(unsigned char *out, unsigned long outlen, prng_state *prng);
126 int yarrow_done(prng_state *prng); 126 int yarrow_done(prng_state *prng);
128 int yarrow_import(const unsigned char *in, unsigned long inlen, prng_state *prng); 128 int yarrow_import(const unsigned char *in, unsigned long inlen, prng_state *prng);
129 int yarrow_test(void); 129 int yarrow_test(void);
130 extern const struct ltc_prng_descriptor yarrow_desc; 130 extern const struct ltc_prng_descriptor yarrow_desc;
131 #endif 131 #endif
132 132
133 #ifdef FORTUNA 133 #ifdef LTC_FORTUNA
134 int fortuna_start(prng_state *prng); 134 int fortuna_start(prng_state *prng);
135 int fortuna_add_entropy(const unsigned char *in, unsigned long inlen, prng_state *prng); 135 int fortuna_add_entropy(const unsigned char *in, unsigned long inlen, prng_state *prng);
136 int fortuna_ready(prng_state *prng); 136 int fortuna_ready(prng_state *prng);
137 unsigned long fortuna_read(unsigned char *out, unsigned long outlen, prng_state *prng); 137 unsigned long fortuna_read(unsigned char *out, unsigned long outlen, prng_state *prng);
138 int fortuna_done(prng_state *prng); 138 int fortuna_done(prng_state *prng);
140 int fortuna_import(const unsigned char *in, unsigned long inlen, prng_state *prng); 140 int fortuna_import(const unsigned char *in, unsigned long inlen, prng_state *prng);
141 int fortuna_test(void); 141 int fortuna_test(void);
142 extern const struct ltc_prng_descriptor fortuna_desc; 142 extern const struct ltc_prng_descriptor fortuna_desc;
143 #endif 143 #endif
144 144
145 #ifdef RC4 145 #ifdef LTC_RC4
146 int rc4_start(prng_state *prng); 146 int rc4_start(prng_state *prng);
147 int rc4_add_entropy(const unsigned char *in, unsigned long inlen, prng_state *prng); 147 int rc4_add_entropy(const unsigned char *in, unsigned long inlen, prng_state *prng);
148 int rc4_ready(prng_state *prng); 148 int rc4_ready(prng_state *prng);
149 unsigned long rc4_read(unsigned char *out, unsigned long outlen, prng_state *prng); 149 unsigned long rc4_read(unsigned char *out, unsigned long outlen, prng_state *prng);
150 int rc4_done(prng_state *prng); 150 int rc4_done(prng_state *prng);
152 int rc4_import(const unsigned char *in, unsigned long inlen, prng_state *prng); 152 int rc4_import(const unsigned char *in, unsigned long inlen, prng_state *prng);
153 int rc4_test(void); 153 int rc4_test(void);
154 extern const struct ltc_prng_descriptor rc4_desc; 154 extern const struct ltc_prng_descriptor rc4_desc;
155 #endif 155 #endif
156 156
157 #ifdef SPRNG 157 #ifdef LTC_SPRNG
158 int sprng_start(prng_state *prng); 158 int sprng_start(prng_state *prng);
159 int sprng_add_entropy(const unsigned char *in, unsigned long inlen, prng_state *prng); 159 int sprng_add_entropy(const unsigned char *in, unsigned long inlen, prng_state *prng);
160 int sprng_ready(prng_state *prng); 160 int sprng_ready(prng_state *prng);
161 unsigned long sprng_read(unsigned char *out, unsigned long outlen, prng_state *prng); 161 unsigned long sprng_read(unsigned char *out, unsigned long outlen, prng_state *prng);
162 int sprng_done(prng_state *prng); 162 int sprng_done(prng_state *prng);
164 int sprng_import(const unsigned char *in, unsigned long inlen, prng_state *prng); 164 int sprng_import(const unsigned char *in, unsigned long inlen, prng_state *prng);
165 int sprng_test(void); 165 int sprng_test(void);
166 extern const struct ltc_prng_descriptor sprng_desc; 166 extern const struct ltc_prng_descriptor sprng_desc;
167 #endif 167 #endif
168 168
169 #ifdef SOBER128 169 #ifdef LTC_SOBER128
170 int sober128_start(prng_state *prng); 170 int sober128_start(prng_state *prng);
171 int sober128_add_entropy(const unsigned char *in, unsigned long inlen, prng_state *prng); 171 int sober128_add_entropy(const unsigned char *in, unsigned long inlen, prng_state *prng);
172 int sober128_ready(prng_state *prng); 172 int sober128_ready(prng_state *prng);
173 unsigned long sober128_read(unsigned char *out, unsigned long outlen, prng_state *prng); 173 unsigned long sober128_read(unsigned char *out, unsigned long outlen, prng_state *prng);
174 int sober128_done(prng_state *prng); 174 int sober128_done(prng_state *prng);
192 void (*callback)(void)); 192 void (*callback)(void));
193 193
194 int rng_make_prng(int bits, int wprng, prng_state *prng, void (*callback)(void)); 194 int rng_make_prng(int bits, int wprng, prng_state *prng, void (*callback)(void));
195 195
196 196
197 /* $Source: /cvs/libtom/libtomcrypt/src/headers/tomcrypt_prng.h,v $ */ 197 /* $Source$ */
198 /* $Revision: 1.8 $ */ 198 /* $Revision$ */
199 /* $Date: 2006/11/05 01:36:43 $ */ 199 /* $Date$ */