diff options
Diffstat (limited to 'crypto/jitterentropy.h')
| -rw-r--r-- | crypto/jitterentropy.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/crypto/jitterentropy.h b/crypto/jitterentropy.h new file mode 100644 index 000000000..5bb15cb33 --- /dev/null +++ b/crypto/jitterentropy.h @@ -0,0 +1,35 @@ +// SPDX-License-Identifier: GPL-2.0-or-later + +struct sha3_ctx; +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); +void jent_hash_time(struct sha3_ctx *hash_state, __u64 time, u8 *addtl, + unsigned int addtl_len, __u64 hash_loop_cnt, + unsigned int stuck); +void jent_read_random_block(struct sha3_ctx *hash_state, char *dst, + unsigned int dst_len); + +struct rand_data; +extern int jent_entropy_init(unsigned int osr, unsigned int flags, + struct sha3_ctx *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, + struct sha3_ctx *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 */ |