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crypto: Add userspace report for pcompress 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 07:46:32 +02:00 committed by Herbert Xu
parent b735d0a915
commit a55465dca7
2 changed files with 23 additions and 0 deletions
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18
crypto/pcompress.c
View File

@ -24,6 +24,8 @@
#include <linux/module.h>
#include <linux/seq_file.h>
#include <linux/string.h>
#include <linux/cryptouser.h>
#include <net/netlink.h>
#include <crypto/compress.h>
#include <crypto/internal/compress.h>
@ -46,6 +48,21 @@ static int crypto_pcomp_init_tfm(struct crypto_tfm *tfm)
return 0;
}
static int crypto_pcomp_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_comp rpcomp;
snprintf(rpcomp.type, CRYPTO_MAX_ALG_NAME, "%s", "pcomp");
NLA_PUT(skb, CRYPTOCFGA_REPORT_COMPRESS,
sizeof(struct crypto_report_comp), &rpcomp);
return 0;
nla_put_failure:
return -EMSGSIZE;
}
static void crypto_pcomp_show(struct seq_file *m, struct crypto_alg *alg)
__attribute__ ((unused));
static void crypto_pcomp_show(struct seq_file *m, struct crypto_alg *alg)
@ -60,6 +77,7 @@ static const struct crypto_type crypto_pcomp_type = {
#ifdef CONFIG_PROC_FS
.show = crypto_pcomp_show,
#endif
.report = crypto_pcomp_report,
.maskclear = ~CRYPTO_ALG_TYPE_MASK,
.maskset = CRYPTO_ALG_TYPE_MASK,
.type = CRYPTO_ALG_TYPE_PCOMPRESS,

5
include/linux/cryptouser.h
View File

@ -40,6 +40,7 @@ enum crypto_attr_type_t {
CRYPTOCFGA_REPORT_HASH, /* struct crypto_report_hash */
CRYPTOCFGA_REPORT_BLKCIPHER, /* struct crypto_report_blkcipher */
CRYPTOCFGA_REPORT_AEAD, /* struct crypto_report_aead */
CRYPTOCFGA_REPORT_COMPRESS, /* struct crypto_report_comp */
__CRYPTOCFGA_MAX
#define CRYPTOCFGA_MAX (__CRYPTOCFGA_MAX - 1)
@ -81,3 +82,7 @@ struct crypto_report_aead {
unsigned int maxauthsize;
unsigned int ivsize;
};
struct crypto_report_comp {
char type[CRYPTO_MAX_NAME];
};