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List:       linux-crypto-vger
Subject:    [PATCH v4 11/17] crypto: Add userspace report for givcipher type
From:       Steffen Klassert <steffen.klassert () secunet ! com>
Date:       2011-09-27 5:43:24
Message-ID: 20110927054324.GN1808 () secunet ! com
[Download RAW message or body]


Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
---
 crypto/ablkcipher.c |   23 +++++++++++++++++++++++
 1 files changed, 23 insertions(+), 0 deletions(-)

diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c
index 5ea49ad..a816f24 100644
--- a/crypto/ablkcipher.c
+++ b/crypto/ablkcipher.c
@@ -457,6 +457,28 @@ static int crypto_init_givcipher_ops(struct crypto_tfm *tfm, u32 type,
 	return 0;
 }
 
+static int crypto_givcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
+{
+	struct crypto_report_blkcipher rblkcipher;
+
+	snprintf(rblkcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "givcipher");
+	snprintf(rblkcipher.geniv, CRYPTO_MAX_ALG_NAME, "%s",
+		 alg->cra_ablkcipher.geniv ?: "<built-in>");
+
+	rblkcipher.blocksize = alg->cra_blocksize;
+	rblkcipher.min_keysize = alg->cra_ablkcipher.min_keysize;
+	rblkcipher.max_keysize = alg->cra_ablkcipher.max_keysize;
+	rblkcipher.ivsize = alg->cra_ablkcipher.ivsize;
+
+	NLA_PUT(skb, CRYPTOCFGA_REPORT_BLKCIPHER,
+		sizeof(struct crypto_report_blkcipher), &rblkcipher);
+
+	return 0;
+
+nla_put_failure:
+	return -EMSGSIZE;
+}
+
 static void crypto_givcipher_show(struct seq_file *m, struct crypto_alg *alg)
 	__attribute__ ((unused));
 static void crypto_givcipher_show(struct seq_file *m, struct crypto_alg *alg)
@@ -479,6 +501,7 @@ const struct crypto_type crypto_givcipher_type = {
 #ifdef CONFIG_PROC_FS
 	.show = crypto_givcipher_show,
 #endif
+	.report = crypto_givcipher_report,
 };
 EXPORT_SYMBOL_GPL(crypto_givcipher_type);
 
-- 
1.7.0.4

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