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Subject[RFC PATCH 3/4] KEYS: set correct flags for keyctl if encrypt is not supported
Date
Signed-off-by: Vitaly Chikunov <vt@altlinux.org>
---
crypto/asymmetric_keys/public_key.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/crypto/asymmetric_keys/public_key.c b/crypto/asymmetric_keys/public_key.c
index 51dc1c858c7c..382cf67f510e 100644
--- a/crypto/asymmetric_keys/public_key.c
+++ b/crypto/asymmetric_keys/public_key.c
@@ -136,8 +136,9 @@ static int software_key_query(const struct kernel_pkey_params *params,
info->max_sig_size = len;
info->max_enc_size = len;
info->max_dec_size = len;
- info->supported_ops = (KEYCTL_SUPPORTS_ENCRYPT |
- KEYCTL_SUPPORTS_VERIFY);
+ info->supported_ops = KEYCTL_SUPPORTS_VERIFY;
+ if (crypto_akcipher_alg(tfm)->encrypt)
+ info->supported_ops |= KEYCTL_SUPPORTS_ENCRYPT;
if (pkey->key_is_private)
info->supported_ops |= (KEYCTL_SUPPORTS_DECRYPT |
KEYCTL_SUPPORTS_SIGN);
--
2.11.0
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