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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
2016-10-19 10:09:24 +01:00
committed by Daniel P. Berrange
parent e8ddc2eae5
commit f844836ddc
8 changed files with 47 additions and 9 deletions
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include/crypto/cipher.h
+4 -2
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@@ -85,13 +85,15 @@ struct QCryptoCipher {
/**
* qcrypto_cipher_supports:
* @alg: the cipher algorithm
* @mode: the cipher mode
*
* Determine if @alg cipher algorithm is supported by the
* Determine if @alg cipher algorithm in @mode is supported by the
* current configured build
*
* Returns: true if the algorithm is supported, false otherwise
*/
bool qcrypto_cipher_supports(QCryptoCipherAlgorithm alg);
bool qcrypto_cipher_supports(QCryptoCipherAlgorithm alg,
QCryptoCipherMode mode);
/**
* qcrypto_cipher_get_block_len: