diff options
Diffstat (limited to 'include/linux/random.h')
| -rw-r--r-- | include/linux/random.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/include/linux/random.h b/include/linux/random.h index 36f125c0c603..22804d9a99cb 100644 --- a/include/linux/random.h +++ b/include/linux/random.h @@ -8,6 +8,7 @@ #define _LINUX_RANDOM_H #include <linux/ioctl.h> +#include <linux/types.h> /* for __u32 in user space */ /* ioctl()'s for the random number generator */ @@ -32,6 +33,30 @@ /* Clear the entropy pool and associated counters. (Superuser only.) */ #define RNDCLEARPOOL _IO( 'R', 0x06 ) +#ifdef CONFIG_FIPS_RNG + +/* Size of seed value - equal to AES blocksize */ +#define AES_BLOCK_SIZE_BYTES 16 +#define SEED_SIZE_BYTES AES_BLOCK_SIZE_BYTES +/* Size of AES key */ +#define KEY_SIZE_BYTES 16 + +/* ioctl() structure used by FIPS 140-2 Tests */ +struct rand_fips_test { + unsigned char key[KEY_SIZE_BYTES]; /* Input */ + unsigned char datetime[SEED_SIZE_BYTES]; /* Input */ + unsigned char seed[SEED_SIZE_BYTES]; /* Input */ + unsigned char result[SEED_SIZE_BYTES]; /* Output */ +}; + +/* FIPS 140-2 RNG Variable Seed Test. (Superuser only.) */ +#define RNDFIPSVST _IOWR('R', 0x10, struct rand_fips_test) + +/* FIPS 140-2 RNG Monte Carlo Test. (Superuser only.) */ +#define RNDFIPSMCT _IOWR('R', 0x11, struct rand_fips_test) + +#endif /* #ifdef CONFIG_FIPS_RNG */ + struct rand_pool_info { int entropy_count; int buf_size; @@ -48,6 +73,10 @@ extern void add_input_randomness(unsigned int type, unsigned int code, unsigned int value); extern void add_interrupt_randomness(int irq); +extern void random_input_words(__u32 *buf, size_t wordcount, int ent_count); +extern int random_input_wait(void); +#define HAS_RANDOM_INPUT_WAIT 1 + extern void get_random_bytes(void *buf, int nbytes); void generate_random_uuid(unsigned char uuid_out[16]); |