diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/crypto/rng.h | 32 | ||||
| -rw-r--r-- | include/linux/crypto.h | 12 |
2 files changed, 10 insertions, 34 deletions
diff --git a/include/crypto/rng.h b/include/crypto/rng.h index 6e28ea5be9f1..f13f3faca4d7 100644 --- a/include/crypto/rng.h +++ b/include/crypto/rng.h @@ -15,6 +15,12 @@ #include <linux/crypto.h> +struct crypto_rng { + int (*generate)(struct crypto_rng *tfm, u8 *rdata, unsigned int dlen); + int (*seed)(struct crypto_rng *tfm, u8 *seed, unsigned int slen); + struct crypto_tfm base; +}; + extern struct crypto_rng *crypto_default_rng; int crypto_get_default_rng(void); @@ -27,11 +33,6 @@ void crypto_put_default_rng(void); * CRYPTO_ALG_TYPE_RNG (listed as type "rng" in /proc/crypto) */ -static inline struct crypto_rng *__crypto_rng_cast(struct crypto_tfm *tfm) -{ - return (struct crypto_rng *)tfm; -} - /** * crypto_alloc_rng() -- allocate RNG handle * @alg_name: is the cra_name / name or cra_driver_name / driver name of the @@ -52,15 +53,7 @@ static inline struct crypto_rng *__crypto_rng_cast(struct crypto_tfm *tfm) * Return: allocated cipher handle in case of success; IS_ERR() is true in case * of an error, PTR_ERR() returns the error code. */ -static inline struct crypto_rng *crypto_alloc_rng(const char *alg_name, - u32 type, u32 mask) -{ - type &= ~CRYPTO_ALG_TYPE_MASK; - type |= CRYPTO_ALG_TYPE_RNG; - mask |= CRYPTO_ALG_TYPE_MASK; - - return __crypto_rng_cast(crypto_alloc_base(alg_name, type, mask)); -} +struct crypto_rng *crypto_alloc_rng(const char *alg_name, u32 type, u32 mask); static inline struct crypto_tfm *crypto_rng_tfm(struct crypto_rng *tfm) { @@ -80,18 +73,13 @@ static inline struct rng_alg *crypto_rng_alg(struct crypto_rng *tfm) return &crypto_rng_tfm(tfm)->__crt_alg->cra_rng; } -static inline struct rng_tfm *crypto_rng_crt(struct crypto_rng *tfm) -{ - return &crypto_rng_tfm(tfm)->crt_rng; -} - /** * crypto_free_rng() - zeroize and free RNG handle * @tfm: cipher handle to be freed */ static inline void crypto_free_rng(struct crypto_rng *tfm) { - crypto_free_tfm(crypto_rng_tfm(tfm)); + crypto_destroy_tfm(tfm, crypto_rng_tfm(tfm)); } /** @@ -108,7 +96,7 @@ static inline void crypto_free_rng(struct crypto_rng *tfm) static inline int crypto_rng_get_bytes(struct crypto_rng *tfm, u8 *rdata, unsigned int dlen) { - return crypto_rng_crt(tfm)->rng_gen_random(tfm, rdata, dlen); + return tfm->generate(tfm, rdata, dlen); } /** @@ -131,7 +119,7 @@ static inline int crypto_rng_get_bytes(struct crypto_rng *tfm, static inline int crypto_rng_reset(struct crypto_rng *tfm, u8 *seed, unsigned int slen) { - return crypto_rng_crt(tfm)->rng_reset(tfm, seed, slen); + return tfm->seed(tfm, seed, slen); } /** diff --git a/include/linux/crypto.h b/include/linux/crypto.h index 10df5d2d093a..781f7d546020 100644 --- a/include/linux/crypto.h +++ b/include/linux/crypto.h @@ -655,19 +655,12 @@ struct compress_tfm { u8 *dst, unsigned int *dlen); }; -struct rng_tfm { - int (*rng_gen_random)(struct crypto_rng *tfm, u8 *rdata, - unsigned int dlen); - int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen); -}; - #define crt_ablkcipher crt_u.ablkcipher #define crt_aead crt_u.aead #define crt_blkcipher crt_u.blkcipher #define crt_cipher crt_u.cipher #define crt_hash crt_u.hash #define crt_compress crt_u.compress -#define crt_rng crt_u.rng struct crypto_tfm { @@ -680,7 +673,6 @@ struct crypto_tfm { struct cipher_tfm cipher; struct hash_tfm hash; struct compress_tfm compress; - struct rng_tfm rng; } crt_u; void (*exit)(struct crypto_tfm *tfm); @@ -714,10 +706,6 @@ struct crypto_hash { struct crypto_tfm base; }; -struct crypto_rng { - struct crypto_tfm base; -}; - enum { CRYPTOA_UNSPEC, CRYPTOA_ALG, |