diff options
Diffstat (limited to 'crypto/rng.c')
| -rw-r--r-- | crypto/rng.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/crypto/rng.c b/crypto/rng.c index ba05e7380e7..e0a25c2456d 100644 --- a/crypto/rng.c +++ b/crypto/rng.c @@ -12,14 +12,17 @@ * */ -#include <asm/atomic.h> +#include <linux/atomic.h> #include <crypto/internal/rng.h> #include <linux/err.h> #include <linux/module.h> #include <linux/mutex.h> #include <linux/random.h> #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; @@ -57,6 +60,30 @@ static int crypto_init_rng_ops(struct crypto_tfm *tfm, u32 type, u32 mask) return 0; } +#ifdef CONFIG_NET +static int crypto_rng_report(struct sk_buff *skb, struct crypto_alg *alg) +{ + struct crypto_report_rng rrng; + + strncpy(rrng.type, "rng", sizeof(rrng.type)); + + rrng.seedsize = alg->cra_rng.seedsize; + + if (nla_put(skb, CRYPTOCFGA_REPORT_RNG, + sizeof(struct crypto_report_rng), &rrng)) + goto nla_put_failure; + return 0; + +nla_put_failure: + return -EMSGSIZE; +} +#else +static int crypto_rng_report(struct sk_buff *skb, struct crypto_alg *alg) +{ + return -ENOSYS; +} +#endif + 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) @@ -77,6 +104,7 @@ 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); |