1 // SPDX-License-Identifier: GPL-2.0-or-later 2 3 struct sha3_ctx; 4 extern void *jent_kvzalloc(unsigned int len); 5 extern void jent_kvzfree(void *ptr, unsigned int len); 6 extern void *jent_zalloc(unsigned int len); 7 extern void jent_zfree(void *ptr); 8 extern void jent_get_nstime(__u64 *out); 9 void jent_hash_time(struct sha3_ctx *hash_state, __u64 time, u8 *addtl, 10 unsigned int addtl_len, __u64 hash_loop_cnt, 11 unsigned int stuck); 12 void jent_read_random_block(struct sha3_ctx *hash_state, char *dst, 13 unsigned int dst_len); 14 15 struct rand_data; 16 extern int jent_entropy_init(unsigned int osr, unsigned int flags, 17 struct sha3_ctx *hash_state, 18 struct rand_data *p_ec); 19 extern int jent_read_entropy(struct rand_data *ec, unsigned char *data, 20 unsigned int len); 21 22 extern struct rand_data * 23 jent_entropy_collector_alloc(unsigned int osr, unsigned int flags, 24 struct sha3_ctx *hash_state); 25 extern void jent_entropy_collector_free(struct rand_data *entropy_collector); 26 27 #ifdef CONFIG_CRYPTO_JITTERENTROPY_TESTINTERFACE 28 int jent_raw_hires_entropy_store(__u64 value); 29 void jent_testing_init(void); 30 void jent_testing_exit(void); 31 #else /* CONFIG_CRYPTO_JITTERENTROPY_TESTINTERFACE */ 32 static inline int jent_raw_hires_entropy_store(__u64 value) { return 0; } 33 static inline void jent_testing_init(void) { } 34 static inline void jent_testing_exit(void) { } 35 #endif /* CONFIG_CRYPTO_JITTERENTROPY_TESTINTERFACE */ 36