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crypto: extend mode as a parameter in qcrypto_cipher_supports()

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It can't guarantee all cipher modes are supported
if one cipher algorithm is supported by a backend.
Let's extend qcrypto_cipher_supports() to take both
the algorithm and mode as parameters.

Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This commit is contained in:
Gonglei 2016-09-26 17:23:21 +08:00 • committed by Daniel P. Berrange
parent e8ddc2eae5
commit f844836ddc
8 changed files with 47 additions and 9 deletions
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3
block/qcow2.c
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@ -959,7 +959,8 @@ static int qcow2_open(BlockDriverState *bs, QDict *options, int flags,
ret = -EINVAL;
goto fail;
}
if (!qcrypto_cipher_supports(QCRYPTO_CIPHER_ALG_AES_128)) {
if (!qcrypto_cipher_supports(QCRYPTO_CIPHER_ALG_AES_128,
QCRYPTO_CIPHER_MODE_CBC)) {
error_setg(errp, "AES cipher not available");
ret = -EINVAL;
goto fail;