Signed-off-by: Steffen Klassert <steffen.klassert@xxxxxxxxxxx>
---
crypto/ablkcipher.c | 23 +++++++++++++++++++++++
include/linux/cryptouser.h | 1 +
2 files changed, 24 insertions(+), 0 deletions(-)
diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c
index 3b0dc30..3f8da55 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_GIVCIPHER,
+ 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);
diff --git a/include/linux/cryptouser.h b/include/linux/cryptouser.h
index 0c359e5..9d7a981 100644
--- a/include/linux/cryptouser.h
+++ b/include/linux/cryptouser.h
@@ -41,6 +41,7 @@ enum crypto_attr_type_t {
CRYPTOCFGA_REPORT_AHASH, /* struct crypto_report_hash */
CRYPTOCFGA_REPORT_BLKCIPHER, /* struct crypto_report_blkcipher */
CRYPTOCFGA_REPORT_ABLKCIPHER, /* struct crypto_report_blkcipher */
+ CRYPTOCFGA_REPORT_GIVCIPHER, /* struct crypto_report_blkcipher */
__CRYPTOCFGA_MAX
#define CRYPTOCFGA_MAX (__CRYPTOCFGA_MAX - 1)
--
1.7.0.4
--
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