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| author | Steffen Klassert <steffen.klassert@secunet.com> | 2011-09-27 07:42:32 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2011-10-21 14:24:05 +0200 |
| commit | 29ffc87640e2a5bf0ab98bfeed8d6fc78b2d848e (patch) | |
| tree | 4f7fb118582aca12f8cc4bea06df149ae47db415 /crypto | |
| parent | 50496a1fab6c6a90b77da4b247321a88e632bd46 (diff) | |
| download | lwn-29ffc87640e2a5bf0ab98bfeed8d6fc78b2d848e.tar.gz lwn-29ffc87640e2a5bf0ab98bfeed8d6fc78b2d848e.zip | |
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>
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/ablkcipher.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c index fdc67d38660b..5ea49ad3787e 100644 --- a/crypto/ablkcipher.c +++ b/crypto/ablkcipher.c @@ -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); |