diff options
| author | Steffen Klassert <steffen.klassert@secunet.com> | 2011-09-27 07:47:11 +0200 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2017-12-21 02:00:42 +0100 |
| commit | 481d5eb921b606675bf503e97c8044aecbab9544 (patch) | |
| tree | 882113fc349afc64b8e6cab043384c2080163b31 /crypto | |
| parent | 94e4b7781682471198cdd74603bafd68d3e500f0 (diff) | |
crypto: Add userspace report for rng type algorithms
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
(cherry picked from commit 792608e9c215141fa4b870b7b2a23767a1ef12f4)
Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/rng.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/crypto/rng.c b/crypto/rng.c index 45229ae782be..feb7de00f437 100644 --- a/crypto/rng.c +++ b/crypto/rng.c @@ -21,6 +21,8 @@ #include <linux/seq_file.h> #include <linux/slab.h> #include <linux/string.h> +#include <linux/cryptouser.h> +#include <net/netlink.h> static DEFINE_MUTEX(crypto_default_rng_lock); struct crypto_rng *crypto_default_rng; @@ -58,6 +60,23 @@ static int crypto_init_rng_ops(struct crypto_tfm *tfm, u32 type, u32 mask) return 0; } +static int crypto_rng_report(struct sk_buff *skb, struct crypto_alg *alg) +{ + struct crypto_report_rng rrng; + + snprintf(rrng.type, CRYPTO_MAX_ALG_NAME, "%s", "rng"); + + rrng.seedsize = alg->cra_rng.seedsize; + + NLA_PUT(skb, CRYPTOCFGA_REPORT_RNG, + sizeof(struct crypto_report_rng), &rrng); + + return 0; + +nla_put_failure: + return -EMSGSIZE; +} + static void crypto_rng_show(struct seq_file *m, struct crypto_alg *alg) __attribute__ ((unused)); static void crypto_rng_show(struct seq_file *m, struct crypto_alg *alg) @@ -78,6 +97,7 @@ const struct crypto_type crypto_rng_type = { #ifdef CONFIG_PROC_FS .show = crypto_rng_show, #endif + .report = crypto_rng_report, }; EXPORT_SYMBOL_GPL(crypto_rng_type); |