diff options
| author | Steffen Klassert <steffen.klassert@secunet.com> | 2011-09-27 07:44:27 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2011-10-21 14:24:06 +0200 |
| commit | 6ad414fe710d4fd3a8c8c6c2ad8fefcfcc207968 (patch) | |
| tree | 965521c6a921338d59f3a7ec3de204ab2ebf3d22 | |
| parent | 3e29c1095a091f606a26c04a6542061c9e5f1d6b (diff) | |
crypto: Add userspace report for aead type algorithms
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | crypto/aead.c | 25 | ||||
| -rw-r--r-- | include/linux/cryptouser.h | 9 |
2 files changed, 34 insertions, 0 deletions
diff --git a/crypto/aead.c b/crypto/aead.c index 6729e8ff68e..bb641bd0285 100644 --- a/crypto/aead.c +++ b/crypto/aead.c @@ -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" @@ -109,6 +111,28 @@ static int crypto_init_aead_ops(struct crypto_tfm *tfm, u32 type, u32 mask) return 0; } +static int crypto_aead_report(struct sk_buff *skb, struct crypto_alg *alg) +{ + struct crypto_report_aead raead; + struct aead_alg *aead = &alg->cra_aead; + + snprintf(raead.type, CRYPTO_MAX_ALG_NAME, "%s", "aead"); + snprintf(raead.geniv, CRYPTO_MAX_ALG_NAME, "%s", + aead->geniv ?: "<built-in>"); + + raead.blocksize = alg->cra_blocksize; + raead.maxauthsize = aead->maxauthsize; + raead.ivsize = aead->ivsize; + + NLA_PUT(skb, CRYPTOCFGA_REPORT_AEAD, + sizeof(struct crypto_report_aead), &raead); + + return 0; + +nla_put_failure: + return -EMSGSIZE; +} + static void crypto_aead_show(struct seq_file *m, struct crypto_alg *alg) __attribute__ ((unused)); static void crypto_aead_show(struct seq_file *m, struct crypto_alg *alg) @@ -130,6 +154,7 @@ const struct crypto_type crypto_aead_type = { #ifdef CONFIG_PROC_FS .show = crypto_aead_show, #endif + .report = crypto_aead_report, }; EXPORT_SYMBOL_GPL(crypto_aead_type); diff --git a/include/linux/cryptouser.h b/include/linux/cryptouser.h index a96a1a11ee6..48030c7dfb5 100644 --- a/include/linux/cryptouser.h +++ b/include/linux/cryptouser.h @@ -39,6 +39,7 @@ enum crypto_attr_type_t { CRYPTOCFGA_REPORT_LARVAL, /* struct crypto_report_larval */ CRYPTOCFGA_REPORT_HASH, /* struct crypto_report_hash */ CRYPTOCFGA_REPORT_BLKCIPHER, /* struct crypto_report_blkcipher */ + CRYPTOCFGA_REPORT_AEAD, /* struct crypto_report_aead */ __CRYPTOCFGA_MAX #define CRYPTOCFGA_MAX (__CRYPTOCFGA_MAX - 1) @@ -72,3 +73,11 @@ struct crypto_report_blkcipher { unsigned int max_keysize; unsigned int ivsize; }; + +struct crypto_report_aead { + char type[CRYPTO_MAX_NAME]; + char geniv[CRYPTO_MAX_NAME]; + unsigned int blocksize; + unsigned int maxauthsize; + unsigned int ivsize; +}; |