2  * DRBG based on NIST SP800-90A
94 	int (*update)(struct drbg_state *drbg, struct list_head *seed,
96 	int (*generate)(struct drbg_state *drbg,
99 	int (*crypto_init)(struct drbg_state *drbg);
100 	int (*crypto_fini)(struct drbg_state *drbg);
115 	struct mutex drbg_mutex;	/* lock around DRBG */
124 	 /* some memory the DRBG can use for its operation */
136 	enum drbg_seed_state seeded;		/* DRBG fully seeded? */
147 static inline __u8 drbg_statelen(struct drbg_state *drbg)  in drbg_statelen()  argument
149 	if (drbg && drbg->core)  in drbg_statelen()
150 		return drbg->core->statelen;  in drbg_statelen()
154 static inline __u8 drbg_blocklen(struct drbg_state *drbg)  in drbg_blocklen()  argument
156 	if (drbg && drbg->core)  in drbg_blocklen()
157 		return drbg->core->blocklen_bytes;  in drbg_blocklen()
161 static inline __u8 drbg_keylen(struct drbg_state *drbg)  in drbg_keylen()  argument
163 	if (drbg && drbg->core)  in drbg_keylen()
164 		return (drbg->core->statelen - drbg->core->blocklen_bytes);  in drbg_keylen()
168 static inline size_t drbg_max_request_bytes(struct drbg_state *drbg)  in drbg_max_request_bytes()  argument
174 static inline size_t drbg_max_addtl(struct drbg_state *drbg)  in drbg_max_addtl()  argument
189 static inline size_t drbg_max_requests(struct drbg_state *drbg)  in drbg_max_requests()  argument
199  * @drng DRBG handle -- see crypto_rng_get_bytes
223  * @drng DRBG handle -- see crypto_rng_get_bytes
250  * @drng DRBG handle -- see crypto_rng_reset
267 /* DRBG type flags */
272 /* DRBG strength flags */