diff options
| author | Steffen Klassert <steffen.klassert@secunet.com> | 2011-09-27 07:41:54 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2011-10-21 14:24:05 +0200 |
| commit | 50496a1fab6c6a90b77da4b247321a88e632bd46 (patch) | |
| tree | 5e6cd05515919eeb151160c3af702b4839ab0afb | |
| parent | 6238cbaec429c98d1a280014839c934107c7c8f6 (diff) | |
crypto: Add userspace report for blkcipher 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/blkcipher.c | 25 | ||||
| -rw-r--r-- | include/linux/cryptouser.h | 10 |
2 files changed, 35 insertions, 0 deletions
diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c index 7a7219266e3c..2572d2600136 100644 --- a/crypto/blkcipher.c +++ b/crypto/blkcipher.c @@ -24,6 +24,8 @@ #include <linux/seq_file.h> #include <linux/slab.h> #include <linux/string.h> +#include <linux/cryptouser.h> +#include <net/netlink.h> #include "internal.h" @@ -492,6 +494,28 @@ static int crypto_init_blkcipher_ops(struct crypto_tfm *tfm, u32 type, u32 mask) return crypto_init_blkcipher_ops_async(tfm); } +static int crypto_blkcipher_report(struct sk_buff *skb, struct crypto_alg *alg) +{ + struct crypto_report_blkcipher rblkcipher; + + snprintf(rblkcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "blkcipher"); + snprintf(rblkcipher.geniv, CRYPTO_MAX_ALG_NAME, "%s", + alg->cra_blkcipher.geniv ?: "<default>"); + + rblkcipher.blocksize = alg->cra_blocksize; + rblkcipher.min_keysize = alg->cra_blkcipher.min_keysize; + rblkcipher.max_keysize = alg->cra_blkcipher.max_keysize; + rblkcipher.ivsize = alg->cra_blkcipher.ivsize; + + NLA_PUT(skb, CRYPTOCFGA_REPORT_BLKCIPHER, + sizeof(struct crypto_report_blkcipher), &rblkcipher); + + return 0; + +nla_put_failure: + return -EMSGSIZE; +} + static void crypto_blkcipher_show(struct seq_file *m, struct crypto_alg *alg) __attribute__ ((unused)); static void crypto_blkcipher_show(struct seq_file *m, struct crypto_alg *alg) @@ -511,6 +535,7 @@ const struct crypto_type crypto_blkcipher_type = { #ifdef CONFIG_PROC_FS .show = crypto_blkcipher_show, #endif + .report = crypto_blkcipher_report, }; EXPORT_SYMBOL_GPL(crypto_blkcipher_type); diff --git a/include/linux/cryptouser.h b/include/linux/cryptouser.h index ee4688221975..a96a1a11ee66 100644 --- a/include/linux/cryptouser.h +++ b/include/linux/cryptouser.h @@ -38,6 +38,7 @@ enum crypto_attr_type_t { CRYPTOCFGA_PRIORITY_VAL, /* __u32 */ CRYPTOCFGA_REPORT_LARVAL, /* struct crypto_report_larval */ CRYPTOCFGA_REPORT_HASH, /* struct crypto_report_hash */ + CRYPTOCFGA_REPORT_BLKCIPHER, /* struct crypto_report_blkcipher */ __CRYPTOCFGA_MAX #define CRYPTOCFGA_MAX (__CRYPTOCFGA_MAX - 1) @@ -62,3 +63,12 @@ struct crypto_report_hash { unsigned int blocksize; unsigned int digestsize; }; + +struct crypto_report_blkcipher { + char type[CRYPTO_MAX_NAME]; + char geniv[CRYPTO_MAX_NAME]; + unsigned int blocksize; + unsigned int min_keysize; + unsigned int max_keysize; + unsigned int ivsize; +}; |