diff options
| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2018-12-07 19:13:50 +0300 |
|---|---|---|
| committer | Daniel P. Berrangé <berrange@redhat.com> | 2018-12-12 11:16:49 +0000 |
| commit | 0f0d596cb16a43314c8bc4a9afa2f966203fb05f (patch) | |
| tree | e8ea8ed66f59c74dc717ee8b34fc019b9a3085f0 /crypto/block.c | |
| parent | 0270417c87d330243eb713a3312ea5e39e192994 (diff) | |
| download | qemu-0f0d596cb16a43314c8bc4a9afa2f966203fb05f.zip | |
crypto/block: introduce qcrypto_block_*crypt_helper functions
Introduce QCryptoBlock-based functions and use them where possible.
This is needed to implement thread-safe encrypt/decrypt operations.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Diffstat (limited to 'crypto/block.c')
| -rw-r--r-- | crypto/block.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/crypto/block.c b/crypto/block.c index d43139dbc7..3fe3de2ef8 100644 --- a/crypto/block.c +++ b/crypto/block.c @@ -277,3 +277,31 @@ int qcrypto_block_cipher_encrypt_helper(QCryptoCipher *cipher, offset, buf, len, qcrypto_cipher_encrypt, errp); } + + +int qcrypto_block_decrypt_helper(QCryptoBlock *block, + int sectorsize, + uint64_t offset, + uint8_t *buf, + size_t len, + Error **errp) +{ + return do_qcrypto_block_cipher_encdec(block->cipher, block->niv, + block->ivgen, + sectorsize, offset, buf, len, + qcrypto_cipher_decrypt, errp); +} + + +int qcrypto_block_encrypt_helper(QCryptoBlock *block, + int sectorsize, + uint64_t offset, + uint8_t *buf, + size_t len, + Error **errp) +{ + return do_qcrypto_block_cipher_encdec(block->cipher, block->niv, + block->ivgen, + sectorsize, offset, buf, len, + qcrypto_cipher_encrypt, errp); +} |