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authorSteffen Klassert <steffen.klassert@secunet.com>2011-09-27 07:43:24 +0200
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2017-12-21 01:56:36 +0100
commitcae83d95d403de87a5e18aa48a1f475142c311f4 (patch)
tree8e89bfc57c1212c98cad51a4a8f5fa6a2d5bff2c
parente61cffe3858ea568b0b669791a291b9b009363a5 (diff)
crypto: Add userspace report for givcipher type algorithms
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> (cherry picked from commit 3e29c1095a091f606a26c04a6542061c9e5f1d6b) Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com> Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
-rw-r--r--crypto/ablkcipher.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c
index 5ea49ad3787e..a816f24f2d52 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);