diff options
| author |   Antoine Tenart <antoine.tenart@bootlin.com> | 2018-06-28 17:15:34 +0200 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2018-07-09 00:30:11 +0800 |
| commit | 998d2abb0cb343c419c63898a414084ac6c17100 (patch) | |
| tree | 42ac23a12052e51581db4a3bb9497ee91b8c221f /drivers/crypto/inside-secure/safexcel.c | |
| parent | Documentation/bindings: crypto: inside-secure: update the compatibles (diff) | |
| download | linux-dev-998d2abb0cb343c419c63898a414084ac6c17100.tar.xz linux-dev-998d2abb0cb343c419c63898a414084ac6c17100.zip | |
crypto: inside-secure - filter out the algorithms by engine
EIP engines do not support the same set of algorithms. So far the
supported engines in the Inside Secure SafeXcel driver support the same
set of algorithms, but that won't be true for all engines. This patch
adds an 'engines' field in the algorithm definitions so that they only
are registered when using a compatible cryptographic engine.
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/inside-secure/safexcel.c')
| -rw-r--r-- | drivers/crypto/inside-secure/safexcel.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/crypto/inside-secure/safexcel.c b/drivers/crypto/inside-secure/safexcel.c index c28ab137d721..b2749ff933c8 100644 --- a/drivers/crypto/inside-secure/safexcel.c +++ b/drivers/crypto/inside-secure/safexcel.c @@ -817,6 +817,9 @@ static int safexcel_register_algorithms(struct safexcel_crypto_priv *priv) for (i = 0; i < ARRAY_SIZE(safexcel_algs); i++) { safexcel_algs[i]->priv = priv; + if (!(safexcel_algs[i]->engines & priv->version)) + continue; + if (safexcel_algs[i]->type == SAFEXCEL_ALG_TYPE_SKCIPHER) ret = crypto_register_skcipher(&safexcel_algs[i]->alg.skcipher); else if (safexcel_algs[i]->type == SAFEXCEL_ALG_TYPE_AEAD) @@ -832,6 +835,9 @@ static int safexcel_register_algorithms(struct safexcel_crypto_priv *priv) fail: for (j = 0; j < i; j++) { + if (!(safexcel_algs[j]->engines & priv->version)) + continue; + if (safexcel_algs[j]->type == SAFEXCEL_ALG_TYPE_SKCIPHER) crypto_unregister_skcipher(&safexcel_algs[j]->alg.skcipher); else if (safexcel_algs[j]->type == SAFEXCEL_ALG_TYPE_AEAD) @@ -848,6 +854,9 @@ static void safexcel_unregister_algorithms(struct safexcel_crypto_priv *priv) int i; for (i = 0; i < ARRAY_SIZE(safexcel_algs); i++) { + if (!(safexcel_algs[i]->engines & priv->version)) + continue; + if (safexcel_algs[i]->type == SAFEXCEL_ALG_TYPE_SKCIPHER) crypto_unregister_skcipher(&safexcel_algs[i]->alg.skcipher); else if (safexcel_algs[i]->type == SAFEXCEL_ALG_TYPE_AEAD) |