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crypto: Add userspace report for ablkcipher type algorithms 

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 07:42:32 +02:00 committed by Herbert Xu
parent 50496a1fab
commit 29ffc87640
1 changed files with 25 additions and 0 deletions
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25
crypto/ablkcipher.c
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@ -23,6 +23,8 @@
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/seq_file.h>
#include <linux/cryptouser.h>
#include <net/netlink.h>
#include <crypto/scatterwalk.h>
@ -381,6 +383,28 @@ static int crypto_init_ablkcipher_ops(struct crypto_tfm *tfm, u32 type,
return 0;
}
static int crypto_ablkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
{
struct crypto_report_blkcipher rblkcipher;
snprintf(rblkcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "ablkcipher");
snprintf(rblkcipher.geniv, CRYPTO_MAX_ALG_NAME, "%s",
alg->cra_ablkcipher.geniv ?: "<default>");
rblkcipher.blocksize = alg->cra_blocksize;
rblkcipher.min_keysize = alg->cra_ablkcipher.min_keysize;
rblkcipher.max_keysize = alg->cra_ablkcipher.max_keysize;
rblkcipher.ivsize = alg->cra_ablkcipher.ivsize;
NLA_PUT(skb, CRYPTOCFGA_REPORT_BLKCIPHER,
sizeof(struct crypto_report_blkcipher), &rblkcipher);
return 0;
nla_put_failure:
return -EMSGSIZE;
}
static void crypto_ablkcipher_show(struct seq_file *m, struct crypto_alg *alg)
__attribute__ ((unused));
static void crypto_ablkcipher_show(struct seq_file *m, struct crypto_alg *alg)
@ -403,6 +427,7 @@ const struct crypto_type crypto_ablkcipher_type = {
#ifdef CONFIG_PROC_FS
.show = crypto_ablkcipher_show,
#endif
.report = crypto_ablkcipher_report,
};
EXPORT_SYMBOL_GPL(crypto_ablkcipher_type);