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git.ipfire.org Git - thirdparty/linux.git/blob - crypto/jitterentropy.h
1 // SPDX-License-Identifier: GPL-2.0-or-later
3 extern void *jent_zalloc(unsigned int len
);
4 extern void jent_zfree(void *ptr
);
5 extern void jent_get_nstime(__u64
*out
);
6 extern int jent_hash_time(void *hash_state
, __u64 time
, u8
*addtl
,
7 unsigned int addtl_len
, __u64 hash_loop_cnt
,
9 int jent_read_random_block(void *hash_state
, char *dst
, unsigned int dst_len
);
12 extern int jent_entropy_init(void *hash_state
);
13 extern int jent_read_entropy(struct rand_data
*ec
, unsigned char *data
,
16 extern struct rand_data
*jent_entropy_collector_alloc(unsigned int osr
,
19 extern void jent_entropy_collector_free(struct rand_data
*entropy_collector
);
21 #ifdef CONFIG_CRYPTO_JITTERENTROPY_TESTINTERFACE
22 int jent_raw_hires_entropy_store(__u32 value
);
23 void jent_testing_init(void);
24 void jent_testing_exit(void);
25 #else /* CONFIG_CRYPTO_JITTERENTROPY_TESTINTERFACE */
26 static inline int jent_raw_hires_entropy_store(__u32 value
) { return 0; }
27 static inline void jent_testing_init(void) { }
28 static inline void jent_testing_exit(void) { }
29 #endif /* CONFIG_CRYPTO_JITTERENTROPY_TESTINTERFACE */