diff options
| author | Daniel P. Berrange | 2017-09-27 14:53:39 +0200 |
|---|---|---|
| committer | Max Reitz | 2017-10-06 16:30:47 +0200 |
| commit | 4609742a495d98ac358098e10d91890185dcdc60 (patch) | |
| tree | 4d689f08dade543ad85c73609b9d75b78ad54fdd /include/crypto | |
| parent | block: convert crypto driver to bdrv_co_preadv|pwritev (diff) | |
| download | qemu-4609742a495d98ac358098e10d91890185dcdc60.tar.gz qemu-4609742a495d98ac358098e10d91890185dcdc60.tar.xz qemu-4609742a495d98ac358098e10d91890185dcdc60.zip | |
block: convert qcrypto_block_encrypt|decrypt to take bytes offset
Instead of sector offset, take the bytes offset when encrypting
or decrypting data.
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-id: 20170927125340.12360-6-berrange@redhat.com
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'include/crypto')
| -rw-r--r-- | include/crypto/block.h | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/include/crypto/block.h b/include/crypto/block.h index 13232b2472..cd18f46d56 100644 --- a/include/crypto/block.h +++ b/include/crypto/block.h @@ -161,18 +161,19 @@ QCryptoBlockInfo *qcrypto_block_get_info(QCryptoBlock *block, /** * @qcrypto_block_decrypt: * @block: the block encryption object - * @startsector: the sector from which @buf was read + * @offset: the position at which @iov was read * @buf: the buffer to decrypt * @len: the length of @buf in bytes * @errp: pointer to a NULL-initialized error object * * Decrypt @len bytes of cipher text in @buf, writing - * plain text back into @buf + * plain text back into @buf. @len and @offset must be + * a multiple of the encryption format sector size. * * Returns 0 on success, -1 on failure */ int qcrypto_block_decrypt(QCryptoBlock *block, - uint64_t startsector, + uint64_t offset, uint8_t *buf, size_t len, Error **errp); @@ -180,18 +181,19 @@ int qcrypto_block_decrypt(QCryptoBlock *block, /** * @qcrypto_block_encrypt: * @block: the block encryption object - * @startsector: the sector to which @buf will be written + * @offset: the position at which @iov will be written * @buf: the buffer to decrypt * @len: the length of @buf in bytes * @errp: pointer to a NULL-initialized error object * * Encrypt @len bytes of plain text in @buf, writing - * cipher text back into @buf + * cipher text back into @buf. @len and @offset must be + * a multiple of the encryption format sector size. * * Returns 0 on success, -1 on failure */ int qcrypto_block_encrypt(QCryptoBlock *block, - uint64_t startsector, + uint64_t offset, uint8_t *buf, size_t len, Error **errp); |