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crypto/block: introduce qcrypto_block_*crypt_helper functions

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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>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2018-12-07 19:13:50 +03:00 • committed by Daniel P. Berrangé
parent 0270417c87
commit 0f0d596cb1
4 changed files with 54 additions and 16 deletions
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28
crypto/block.c
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@ -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);
}