1 // SPDX-License-Identifier: GPL-2.0-or-later 2 3 extern void *jent_kvzalloc(unsigned int len); 4 extern void jent_kvzfree(void *ptr, unsigned int len); 5 extern void *jent_zalloc(unsigned int len); 6 extern void jent_zfree(void *ptr); 7 extern void jent_get_nstime(__u64 *out); 8 extern int jent_hash_time(void *hash_state, __u64 time, u8 *addtl, 9 unsigned int addtl_len, __u64 hash_loop_cnt, 10 unsigned int stuck); 11 int jent_read_random_block(void *hash_state, char *dst, unsigned int dst_len); 12 13 struct rand_data; 14 extern int jent_entropy_init(unsigned int osr, unsigned int flags, 15 void *hash_state, struct rand_data *p_ec); 16 extern int jent_read_entropy(struct rand_data *ec, unsigned char *data, 17 unsigned int len); 18 19 extern struct rand_data *jent_entropy_collector_alloc(unsigned int osr, 20 unsigned int flags, 21 void *hash_state); 22 extern void jent_entropy_collector_free(struct rand_data *entropy_collector); 23 24 #ifdef CONFIG_CRYPTO_JITTERENTROPY_TESTINTERFACE 25 int jent_raw_hires_entropy_store(__u64 value); 26 void jent_testing_init(void); 27 void jent_testing_exit(void); 28 #else /* CONFIG_CRYPTO_JITTERENTROPY_TESTINTERFACE */ 29 static inline int jent_raw_hires_entropy_store(__u64 value) { return 0; } 30 static inline void jent_testing_init(void) { } 31 static inline void jent_testing_exit(void) { } 32 #endif /* CONFIG_CRYPTO_JITTERENTROPY_TESTINTERFACE */ 33