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authorHerbert Xu <herbert@gondor.apana.org.au>2015-04-21 10:46:46 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2015-04-22 09:30:20 +0800
commit94f1bb15bed84ad6c893916b7e7b9db6f1d7eec6 (patch)
tree5deafd0b955a212c1b86893bf1e43c711ac7b861 /include
parente33cf2c5aab7d0012e7890089e89ae2466c2449c (diff)
downloadlinux-94f1bb15bed84ad6c893916b7e7b9db6f1d7eec6.tar.bz2
crypto: rng - Remove old low-level rng interface
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>
Diffstat (limited to 'include')
-rw-r--r--include/crypto/internal/rng.h3
-rw-r--r--include/crypto/rng.h10
-rw-r--r--include/linux/crypto.h30
3 files changed, 4 insertions, 39 deletions
diff --git a/include/crypto/internal/rng.h b/include/crypto/internal/rng.h
index 2c9a865c66e2..263f1a5eebc7 100644
--- a/include/crypto/internal/rng.h
+++ b/include/crypto/internal/rng.h
@@ -2,6 +2,7 @@
* RNG: Random Number Generator algorithms under the crypto API
*
* Copyright (c) 2008 Neil Horman <nhorman@tuxdriver.com>
+ * Copyright (c) 2015 Herbert Xu <herbert@gondor.apana.org.au>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
@@ -16,8 +17,6 @@
#include <crypto/algapi.h>
#include <crypto/rng.h>
-extern const struct crypto_type crypto_rng_type;
-
int crypto_register_rng(struct rng_alg *alg);
void crypto_unregister_rng(struct rng_alg *alg);
int crypto_register_rngs(struct rng_alg *algs, int count);
diff --git a/include/crypto/rng.h b/include/crypto/rng.h
index cc22e52a129a..c5d4684429f5 100644
--- a/include/crypto/rng.h
+++ b/include/crypto/rng.h
@@ -2,6 +2,7 @@
* RNG: Random Number Generator algorithms under the crypto API
*
* Copyright (c) 2008 Neil Horman <nhorman@tuxdriver.com>
+ * Copyright (c) 2015 Herbert Xu <herbert@gondor.apana.org.au>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
@@ -56,11 +57,6 @@ struct rng_alg {
};
struct crypto_rng {
- int (*generate)(struct crypto_rng *tfm,
- const u8 *src, unsigned int slen,
- u8 *dst, unsigned int dlen);
- int (*seed)(struct crypto_rng *tfm, const u8 *seed, unsigned int slen);
- unsigned int seedsize;
struct crypto_tfm base;
};
@@ -144,7 +140,7 @@ static inline int crypto_rng_generate(struct crypto_rng *tfm,
const u8 *src, unsigned int slen,
u8 *dst, unsigned int dlen)
{
- return tfm->generate(tfm, src, slen, dst, dlen);
+ return crypto_rng_alg(tfm)->generate(tfm, src, slen, dst, dlen);
}
/**
@@ -198,7 +194,7 @@ int crypto_rng_reset(struct crypto_rng *tfm, const u8 *seed,
*/
static inline int crypto_rng_seedsize(struct crypto_rng *tfm)
{
- return tfm->seedsize;
+ return crypto_rng_alg(tfm)->seedsize;
}
#endif
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index 2fa9b05360f7..ee14140f8893 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -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);