From: Steffen Klassert <steffen.klassert@secunet.com>
To: Herbert Xu <herbert@gondor.apana.org.au>
Cc: linux-crypto@vger.kernel.org
Subject: [PATCH v4 16/17] crypto: Add userspace report for cipher type algorithms
Date: Tue, 27 Sep 2011 07:48:01 +0200 [thread overview]
Message-ID: <20110927054801.GS1808@secunet.com> (raw)
In-Reply-To: <20110927052050.GB1808@secunet.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
---
crypto/crypto_user.c | 29 +++++++++++++++++++++++++++++
include/linux/cryptouser.h | 8 ++++++++
2 files changed, 37 insertions(+), 0 deletions(-)
diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c
index 8a0c5c6..52459ae 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:
diff --git a/include/linux/cryptouser.h b/include/linux/cryptouser.h
index ed8a40e..532fb58 100644
--- a/include/linux/cryptouser.h
+++ b/include/linux/cryptouser.h
@@ -42,6 +42,7 @@ enum crypto_attr_type_t {
CRYPTOCFGA_REPORT_AEAD, /* struct crypto_report_aead */
CRYPTOCFGA_REPORT_COMPRESS, /* struct crypto_report_comp */
CRYPTOCFGA_REPORT_RNG, /* struct crypto_report_rng */
+ CRYPTOCFGA_REPORT_CIPHER, /* struct crypto_report_cipher */
__CRYPTOCFGA_MAX
#define CRYPTOCFGA_MAX (__CRYPTOCFGA_MAX - 1)
@@ -67,6 +68,13 @@ struct crypto_report_hash {
unsigned int digestsize;
};
+struct crypto_report_cipher {
+ char type[CRYPTO_MAX_ALG_NAME];
+ unsigned int blocksize;
+ unsigned int min_keysize;
+ unsigned int max_keysize;
+};
+
struct crypto_report_blkcipher {
char type[CRYPTO_MAX_NAME];
char geniv[CRYPTO_MAX_NAME];
--
1.7.0.4
next prev parent reply other threads:[~2011-09-27 5:48 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-27 5:20 [PATCH v4 00/17] crypto user configuration api Steffen Klassert
2011-09-27 5:21 ` [PATCH v4 01/17] crypto: Add a flag to identify crypto instances Steffen Klassert
2011-09-27 5:22 ` [PATCH v4 02/17] crypto: Export crypto_remove_spawns Steffen Klassert
2011-09-27 5:23 ` [PATCH v4 03/17] crypto: Export crypto_remove_final Steffen Klassert
2011-09-27 5:23 ` [PATCH v4 04/17] crypto: Add userspace configuration API Steffen Klassert
2011-09-27 5:24 ` [PATCH v4 05/17] crypto: Add a report function pointer to crypto_type Steffen Klassert
2011-09-27 5:25 ` [PATCH v4 06/17] crypto: Add userspace report for larval type algorithms Steffen Klassert
2011-09-27 5:26 ` [PATCH v4 07/17] crypto: Add userspace report for shash " Steffen Klassert
2011-09-27 5:41 ` [PATCH v4 08/17] crypto: Add userspace report for ahash " Steffen Klassert
2011-09-27 5:41 ` [PATCH v4 09/17] crypto: Add userspace report for blkcipher " Steffen Klassert
2011-09-27 5:42 ` [PATCH v4 10/17] crypto: Add userspace report for ablkcipher " Steffen Klassert
2011-09-27 5:43 ` [PATCH v4 11/17] crypto: Add userspace report for givcipher " Steffen Klassert
2011-09-27 5:44 ` [PATCH v4 12/17] crypto: Add userspace report for aead " Steffen Klassert
2011-11-02 14:25 ` Luis Henriques
2011-09-27 5:45 ` [PATCH v4 13/17] crypto: Add userspace report for nivaead " Steffen Klassert
2011-09-27 5:46 ` [PATCH v4 14/17] crypto: Add userspace report for pcompress " Steffen Klassert
2011-09-27 5:47 ` [PATCH v4 15/17] crypto: Add userspace report for rng " Steffen Klassert
2011-09-27 5:48 ` Steffen Klassert [this message]
2011-09-27 5:48 ` [PATCH v4 17/17] crypto: Add userspace report for compress " Steffen Klassert
2011-10-21 12:38 ` [PATCH v4 00/17] crypto user configuration api Herbert Xu
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