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| author | Steffen Klassert <steffen.klassert@secunet.com> | 2011-09-27 07:48:01 +0200 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2011-10-21 14:24:07 +0200 |
| commit | 07a5fa4abd8b6965d4585d3b110f89bdf5612aff (patch) | |
| tree | fdd378f220df032be3db1dbbc6622ddc13080a5f /crypto/crypto_user.c | |
| parent | 792608e9c215141fa4b870b7b2a23767a1ef12f4 (diff) | |
| download | lwn-07a5fa4abd8b6965d4585d3b110f89bdf5612aff.tar.gz lwn-07a5fa4abd8b6965d4585d3b110f89bdf5612aff.zip | |
crypto: Add userspace report for cipher 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/crypto_user.c')
| -rw-r--r-- | crypto/crypto_user.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/crypto/crypto_user.c b/crypto/crypto_user.c index 8a0c5c6c6589..52459ae711a9 100644 --- a/crypto/crypto_user.c +++ b/crypto/crypto_user.c @@ -70,6 +70,25 @@ static struct crypto_alg *crypto_alg_match(struct crypto_user_alg *p, int exact) return alg; } +static int crypto_report_cipher(struct sk_buff *skb, struct crypto_alg *alg) +{ + struct crypto_report_cipher rcipher; + + snprintf(rcipher.type, CRYPTO_MAX_ALG_NAME, "%s", "cipher"); + + rcipher.blocksize = alg->cra_blocksize; + rcipher.min_keysize = alg->cra_cipher.cia_min_keysize; + rcipher.max_keysize = alg->cra_cipher.cia_max_keysize; + + NLA_PUT(skb, CRYPTOCFGA_REPORT_CIPHER, + sizeof(struct crypto_report_cipher), &rcipher); + + return 0; + +nla_put_failure: + return -EMSGSIZE; +} + static int crypto_report_one(struct crypto_alg *alg, struct crypto_user_alg *ualg, struct sk_buff *skb) { @@ -98,6 +117,16 @@ static int crypto_report_one(struct crypto_alg *alg, if (alg->cra_type && alg->cra_type->report) { if (alg->cra_type->report(skb, alg)) goto nla_put_failure; + + goto out; + } + + switch (alg->cra_flags & (CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_LARVAL)) { + case CRYPTO_ALG_TYPE_CIPHER: + if (crypto_report_cipher(skb, alg)) + goto nla_put_failure; + + break; } out: |