File: jitterentropy.h

package info (click to toggle)
linux 6.17.7-2
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,734,408 kB
  • sloc: ansic: 26,679,265; asm: 271,207; sh: 147,319; python: 75,916; makefile: 57,295; perl: 36,942; xml: 19,562; cpp: 5,899; yacc: 4,909; lex: 2,943; awk: 1,556; sed: 29; ruby: 25
file content (32 lines) | stat: -rw-r--r-- 1,373 bytes parent folder | download | duplicates (11)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
// SPDX-License-Identifier: GPL-2.0-or-later

extern void *jent_kvzalloc(unsigned int len);
extern void jent_kvzfree(void *ptr, unsigned int len);
extern void *jent_zalloc(unsigned int len);
extern void jent_zfree(void *ptr);
extern void jent_get_nstime(__u64 *out);
extern int jent_hash_time(void *hash_state, __u64 time, u8 *addtl,
			  unsigned int addtl_len, __u64 hash_loop_cnt,
			  unsigned int stuck);
int jent_read_random_block(void *hash_state, char *dst, unsigned int dst_len);

struct rand_data;
extern int jent_entropy_init(unsigned int osr, unsigned int flags,
			     void *hash_state, struct rand_data *p_ec);
extern int jent_read_entropy(struct rand_data *ec, unsigned char *data,
			     unsigned int len);

extern struct rand_data *jent_entropy_collector_alloc(unsigned int osr,
						      unsigned int flags,
						      void *hash_state);
extern void jent_entropy_collector_free(struct rand_data *entropy_collector);

#ifdef CONFIG_CRYPTO_JITTERENTROPY_TESTINTERFACE
int jent_raw_hires_entropy_store(__u64 value);
void jent_testing_init(void);
void jent_testing_exit(void);
#else /* CONFIG_CRYPTO_JITTERENTROPY_TESTINTERFACE */
static inline int jent_raw_hires_entropy_store(__u64 value) { return 0; }
static inline void jent_testing_init(void) { }
static inline void jent_testing_exit(void) { }
#endif /* CONFIG_CRYPTO_JITTERENTROPY_TESTINTERFACE */