1 // SPDX-License-Identifier: GPL-2.0-or-later 2 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, 8 unsigned int stuck); 9 int jent_read_random_block(void *hash_state, char *dst, unsigned int dst_len); 10 11 struct rand_data; 12 extern int jent_entropy_init(void *hash_state); 13 extern int jent_read_entropy(struct rand_data *ec, unsigned char *data, 14 unsigned int len); 15 16 extern struct rand_data *jent_entropy_collector_alloc(unsigned int osr, 17 unsigned int flags, 18 void *hash_state); 19 extern void jent_entropy_collector_free(struct rand_data *entropy_collector); 20 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 */ 30