diff options
Diffstat (limited to 'include/internal/rand.h')
| -rw-r--r-- | include/internal/rand.h | 64 |
1 files changed, 35 insertions, 29 deletions
diff --git a/include/internal/rand.h b/include/internal/rand.h index 07568ea8b8..2f38095231 100644 --- a/include/internal/rand.h +++ b/include/internal/rand.h @@ -10,49 +10,55 @@ #ifndef HEADER_DRBG_RAND_H # define HEADER_DRBG_RAND_H -/* Flag for CTR mode only: use derivation function ctr_df */ +/* In CTR mode, use derivation function ctr_df */ #define RAND_DRBG_FLAG_CTR_USE_DF 0x2 -const RAND_METHOD *RAND_drbg(void); - -int RAND_DRBG_set(DRBG_CTX *ctx, int type, unsigned int flags); -DRBG_CTX *RAND_DRBG_new(int type, unsigned int flags, DRBG_CTX *parent); -int RAND_DRBG_instantiate(DRBG_CTX *dctx, +/* + * Object lifetime functions. + */ +RAND_DRBG *RAND_DRBG_new(int type, unsigned int flags, RAND_DRBG *parent); +int RAND_DRBG_set(RAND_DRBG *drbg, int type, unsigned int flags); +int RAND_DRBG_instantiate(RAND_DRBG *drbg, const unsigned char *pers, size_t perslen); -int RAND_DRBG_uninstantiate(DRBG_CTX *dctx); -int RAND_DRBG_reseed(DRBG_CTX *dctx, const unsigned char *adin, size_t adinlen); -int RAND_DRBG_generate(DRBG_CTX *dctx, unsigned char *out, size_t outlen, +int RAND_DRBG_uninstantiate(RAND_DRBG *drbg); +void RAND_DRBG_free(RAND_DRBG *drbg); + +/* + * Object "use" functions. + */ +int RAND_DRBG_reseed(RAND_DRBG *drbg, + const unsigned char *adin, size_t adinlen); +int RAND_DRBG_generate(RAND_DRBG *drbg, unsigned char *out, size_t outlen, int prediction_resistance, const unsigned char *adin, size_t adinlen); -void RAND_DRBG_free(DRBG_CTX *dctx); +int RAND_DRBG_set_reseed_interval(RAND_DRBG *drbg, int interval); + +/* + * EXDATA + */ +#define RAND_DRBG_get_ex_new_index(l, p, newf, dupf, freef) \ + CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_DRBG, l, p, newf, dupf, freef) +int RAND_DRBG_set_ex_data(RAND_DRBG *dctx, int idx, void *arg); +void *RAND_DRBG_get_ex_data(const RAND_DRBG *dctx, int idx); -typedef size_t (*RAND_DRBG_get_entropy_fn)(DRBG_CTX *ctx, unsigned char **pout, +/* + * Callback functions. See comments in drbg_lib.c + */ +typedef size_t (*RAND_DRBG_get_entropy_fn)(RAND_DRBG *ctx, + unsigned char **pout, int entropy, size_t min_len, size_t max_len); -typedef void (*RAND_DRBG_cleanup_entropy_fn)(DRBG_CTX *ctx, unsigned char *out, - size_t olen); -typedef size_t (*RAND_DRBG_get_nonce_fn)(DRBG_CTX *ctx, unsigned char **pout, +typedef void (*RAND_DRBG_cleanup_entropy_fn)(RAND_DRBG *ctx, + unsigned char *out); +typedef size_t (*RAND_DRBG_get_nonce_fn)(RAND_DRBG *ctx, unsigned char **pout, int entropy, size_t min_len, size_t max_len); -typedef void (*RAND_DRBG_cleanup_nonce_fn)(DRBG_CTX *ctx, unsigned char *out, - size_t olen); +typedef void (*RAND_DRBG_cleanup_nonce_fn)(RAND_DRBG *ctx, unsigned char *out); -int RAND_DRBG_set_callbacks(DRBG_CTX *dctx, +int RAND_DRBG_set_callbacks(RAND_DRBG *dctx, RAND_DRBG_get_entropy_fn get_entropy, RAND_DRBG_cleanup_entropy_fn cleanup_entropy, RAND_DRBG_get_nonce_fn get_nonce, RAND_DRBG_cleanup_nonce_fn cleanup_nonce); -int RAND_DRBG_set_reseed_interval(DRBG_CTX *dctx, int interval); - -#define RAND_DRBG_get_ex_new_index(l, p, newf, dupf, freef) \ - CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_DRBG, l, p, newf, dupf, freef) -int RAND_DRBG_set_ex_data(DRBG_CTX *dctx, int idx, void *arg); -void *RAND_DRBG_get_ex_data(const DRBG_CTX *dctx, int idx); - -DRBG_CTX *RAND_DRBG_get_default(void); - - #endif - - |