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authorSteffen Klassert <steffen.klassert@secunet.com>2011-09-27 01:41:54 -0400
committerHerbert Xu <herbert@gondor.apana.org.au>2011-10-21 08:24:05 -0400
commit50496a1fab6c6a90b77da4b247321a88e632bd46 (patch)
tree5e6cd05515919eeb151160c3af702b4839ab0afb /crypto/blkcipher.c
parent6238cbaec429c98d1a280014839c934107c7c8f6 (diff)
crypto: Add userspace report for blkcipher 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/blkcipher.c')
-rw-r--r--crypto/blkcipher.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c
index 7a7219266e3c..2572d2600136 100644
--- a/crypto/blkcipher.c
+++ b/crypto/blkcipher.c
@@ -24,6 +24,8 @@
24#include <linux/seq_file.h> 24#include <linux/seq_file.h>
25#include <linux/slab.h> 25#include <linux/slab.h>
26#include <linux/string.h> 26#include <linux/string.h>
27#include <linux/cryptouser.h>
28#include <net/netlink.h>
27 29
28#include "internal.h" 30#include "internal.h"
29 31
@@ -492,6 +494,28 @@ static int crypto_init_blkcipher_ops(struct crypto_tfm *tfm, u32 type, u32 mask)
492 return crypto_init_blkcipher_ops_async(tfm); 494 return crypto_init_blkcipher_ops_async(tfm);
493} 495}
494 496
497static int crypto_blkcipher_report(struct sk_buff *skb, struct crypto_alg *alg)
498{
499 struct crypto_report_blkcipher rblkcipher;
500
501 snprintf(rblkcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "blkcipher");
502 snprintf(rblkcipher.geniv, CRYPTO_MAX_ALG_NAME, "%s",
503 alg->cra_blkcipher.geniv ?: "<default>");
504
505 rblkcipher.blocksize = alg->cra_blocksize;
506 rblkcipher.min_keysize = alg->cra_blkcipher.min_keysize;
507 rblkcipher.max_keysize = alg->cra_blkcipher.max_keysize;
508 rblkcipher.ivsize = alg->cra_blkcipher.ivsize;
509
510 NLA_PUT(skb, CRYPTOCFGA_REPORT_BLKCIPHER,
511 sizeof(struct crypto_report_blkcipher), &rblkcipher);
512
513 return 0;
514
515nla_put_failure:
516 return -EMSGSIZE;
517}
518
495static void crypto_blkcipher_show(struct seq_file *m, struct crypto_alg *alg) 519static void crypto_blkcipher_show(struct seq_file *m, struct crypto_alg *alg)
496 __attribute__ ((unused)); 520 __attribute__ ((unused));
497static void crypto_blkcipher_show(struct seq_file *m, struct crypto_alg *alg) 521static void crypto_blkcipher_show(struct seq_file *m, struct crypto_alg *alg)
@@ -511,6 +535,7 @@ const struct crypto_type crypto_blkcipher_type = {
511#ifdef CONFIG_PROC_FS 535#ifdef CONFIG_PROC_FS
512 .show = crypto_blkcipher_show, 536 .show = crypto_blkcipher_show,
513#endif 537#endif
538 .report = crypto_blkcipher_report,
514}; 539};
515EXPORT_SYMBOL_GPL(crypto_blkcipher_type); 540EXPORT_SYMBOL_GPL(crypto_blkcipher_type);
516 541