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crypto: Add userspace report for shash 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 07:26:10 +02:00
committed by Herbert Xu
parent 6c5a86f529
commit f4d663ce63
2 changed files with 28 additions and 0 deletions
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21
crypto/shash.c
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@@ -17,6 +17,8 @@
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/seq_file.h>
#include <linux/cryptouser.h>
#include <net/netlink.h>
#include "internal.h"
@@ -522,6 +524,24 @@ static unsigned int crypto_shash_extsize(struct crypto_alg *alg)
return alg->cra_ctxsize;
}
static int crypto_shash_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_hash rhash;
struct shash_alg *salg = __crypto_shash_alg(alg);
snprintf(rhash.type, CRYPTO_MAX_ALG_NAME, "%s", "shash");
rhash.blocksize = alg->cra_blocksize;
rhash.digestsize = salg->digestsize;
NLA_PUT(skb, CRYPTOCFGA_REPORT_HASH,
sizeof(struct crypto_report_hash), &rhash);
return 0;
nla_put_failure:
return -EMSGSIZE;
}
static void crypto_shash_show(struct seq_file *m, struct crypto_alg *alg)
__attribute__ ((unused));
static void crypto_shash_show(struct seq_file *m, struct crypto_alg *alg)
@@ -541,6 +561,7 @@ static const struct crypto_type crypto_shash_type = {
#ifdef CONFIG_PROC_FS
.show = crypto_shash_show,
#endif
.report = crypto_shash_report,
.maskclear = ~CRYPTO_ALG_TYPE_MASK,
.maskset = CRYPTO_ALG_TYPE_MASK,
.type = CRYPTO_ALG_TYPE_SHASH,