Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 6238cbae authored by Steffen Klassert's avatar Steffen Klassert Committed by Herbert Xu
Browse files

crypto: Add userspace report for ahash type algorithms 



Signed-off-by: default avatarSteffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent f4d663ce

crypto/ahash.c

+21 −0
Original line number Diff line number Diff line
@@ -21,6 +21,8 @@ 
#include <linux/sched.h>

#include <linux/slab.h>

#include <linux/seq_file.h>

#include <linux/cryptouser.h>

#include <net/netlink.h>



#include "internal.h"
@@ -397,6 +399,24 @@ static unsigned int crypto_ahash_extsize(struct crypto_alg *alg) 
	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)

	__attribute__ ((unused));

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

	.show = crypto_ahash_show,

#endif

	.report = crypto_ahash_report,

	.maskclear = ~CRYPTO_ALG_TYPE_MASK,

	.maskset = CRYPTO_ALG_TYPE_AHASH_MASK,

	.type = CRYPTO_ALG_TYPE_AHASH,