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authorSteffen Klassert <steffen.klassert@secunet.com>2011-09-27 07:48:01 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2011-10-21 14:24:07 +0200
commit07a5fa4abd8b6965d4585d3b110f89bdf5612aff (patch)
treefdd378f220df032be3db1dbbc6622ddc13080a5f /crypto
parent792608e9c215141fa4b870b7b2a23767a1ef12f4 (diff)
downloadlinux-stericsson-07a5fa4abd8b6965d4585d3b110f89bdf5612aff.tar.gz
crypto: Add userspace report for cipher 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/crypto_user.c29
1 files changed, 29 insertions, 0 deletions
diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c
index 8a0c5c6c6589..52459ae711a9 100644
--- a/crypto/crypto_user.c
+++ b/crypto/crypto_user.c
@@ -70,6 +70,25 @@ static struct crypto_alg *crypto_alg_match(struct crypto_user_alg *p, int exact)
return alg;
}
+static int crypto_report_cipher(struct sk_buff *skb, struct crypto_alg *alg)
+{
+ struct crypto_report_cipher rcipher;
+
+ snprintf(rcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "cipher");
+
+ rcipher.blocksize = alg->cra_blocksize;
+ rcipher.min_keysize = alg->cra_cipher.cia_min_keysize;
+ rcipher.max_keysize = alg->cra_cipher.cia_max_keysize;
+
+ NLA_PUT(skb, CRYPTOCFGA_REPORT_CIPHER,
+ sizeof(struct crypto_report_cipher), &rcipher);
+
+ return 0;
+
+nla_put_failure:
+ return -EMSGSIZE;
+}
+
static int crypto_report_one(struct crypto_alg *alg,
struct crypto_user_alg *ualg, struct sk_buff *skb)
{
@@ -98,6 +117,16 @@ static int crypto_report_one(struct crypto_alg *alg,
if (alg->cra_type && alg->cra_type->report) {
if (alg->cra_type->report(skb, alg))
goto nla_put_failure;
+
+ goto out;
+ }
+
+ switch (alg->cra_flags & (CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_LARVAL)) {
+ case CRYPTO_ALG_TYPE_CIPHER:
+ if (crypto_report_cipher(skb, alg))
+ goto nla_put_failure;
+
+ break;
}
out: