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Commit 3e29c109 authored by Steffen Klassert's avatar Steffen Klassert Committed by Herbert Xu
Browse files

crypto: Add userspace report for givcipher type algorithms 



Signed-off-by: default avatarSteffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 29ffc876

crypto/ablkcipher.c

+23 −0
Original line number Diff line number Diff line
@@ -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);