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crypto: Add userspace report for ahash type algorithms

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Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Steffen Klassert 2011-09-27 07:41:07 +02:00 committed by Herbert Xu
parent f4d663ce63
commit 6238cbaec4
1 changed files with 21 additions and 0 deletions
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21
crypto/ahash.c
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@ -21,6 +21,8 @@
#include <linux/sched.h> #include <linux/sched.h>
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/seq_file.h> #include <linux/seq_file.h>
#include <linux/cryptouser.h>
#include <net/netlink.h>
#include "internal.h" #include "internal.h"
@ -397,6 +399,24 @@ static unsigned int crypto_ahash_extsize(struct crypto_alg *alg)
return sizeof(struct crypto_shash *); return sizeof(struct crypto_shash *);
} }
static int crypto_ahash_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_hash rhash;
snprintf(rhash.type, CRYPTO_MAX_ALG_NAME, "%s", "ahash");
rhash.blocksize = alg->cra_blocksize;
rhash.digestsize = __crypto_hash_alg_common(alg)->digestsize;
NLA_PUT(skb, CRYPTOCFGA_REPORT_HASH,
sizeof(struct crypto_report_hash), &rhash);
return 0;
nla_put_failure:
return -EMSGSIZE;
}
static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg) static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg)
__attribute__ ((unused)); __attribute__ ((unused));
static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg) static void crypto_ahash_show(struct seq_file *m, struct crypto_alg *alg)
@ -415,6 +435,7 @@ const struct crypto_type crypto_ahash_type = {
#ifdef CONFIG_PROC_FS #ifdef CONFIG_PROC_FS
.show = crypto_ahash_show, .show = crypto_ahash_show,
#endif #endif
.report = crypto_ahash_report,
.maskclear = ~CRYPTO_ALG_TYPE_MASK, .maskclear = ~CRYPTO_ALG_TYPE_MASK,
.maskset = CRYPTO_ALG_TYPE_AHASH_MASK, .maskset = CRYPTO_ALG_TYPE_AHASH_MASK,
.type = CRYPTO_ALG_TYPE_AHASH, .type = CRYPTO_ALG_TYPE_AHASH,