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crypto: rng - Remove old low-level rng interface

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Now that all rng implementations have switched over to the new
interface, we can remove the old low-level interface.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2015-04-21 10:46:46 +08:00
parent e33cf2c5aa
commit 94f1bb15be
4 changed files with 8 additions and 92 deletions
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30
include/linux/crypto.h
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@ -138,7 +138,6 @@ struct crypto_async_request;
struct crypto_aead;
struct crypto_blkcipher;
struct crypto_hash;
struct crypto_rng;
struct crypto_tfm;
struct crypto_type;
struct aead_givcrypt_request;
@ -426,40 +425,12 @@ struct compress_alg {
unsigned int slen, u8 *dst, unsigned int *dlen);
};
/**
* struct old_rng_alg - random number generator definition
* @rng_make_random: The function defined by this variable obtains a random
* number. The random number generator transform must generate
* the random number out of the context provided with this
* call.
* @rng_reset: Reset of the random number generator by clearing the entire state.
* With the invocation of this function call, the random number
* generator shall completely reinitialize its state. If the random
* number generator requires a seed for setting up a new state,
* the seed must be provided by the consumer while invoking this
* function. The required size of the seed is defined with
* @seedsize .
* @seedsize: The seed size required for a random number generator
* initialization defined with this variable. Some random number
* generators like the SP800-90A DRBG does not require a seed as the
* seeding is implemented internally without the need of support by
* the consumer. In this case, the seed size is set to zero.
*/
struct old_rng_alg {
int (*rng_make_random)(struct crypto_rng *tfm, u8 *rdata,
unsigned int dlen);
int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen);
unsigned int seedsize;
};
#define cra_ablkcipher cra_u.ablkcipher
#define cra_aead cra_u.aead
#define cra_blkcipher cra_u.blkcipher
#define cra_cipher cra_u.cipher
#define cra_compress cra_u.compress
#define cra_rng cra_u.rng
/**
* struct crypto_alg - definition of a cryptograpic cipher algorithm
@ -559,7 +530,6 @@ struct crypto_alg {
struct blkcipher_alg blkcipher;
struct cipher_alg cipher;
struct compress_alg compress;
struct old_rng_alg rng;
} cra_u;
int (*cra_init)(struct crypto_tfm *tfm);