#include "qemu/osdep.h"
#include "qapi/error.h"
-#include "crypto/block-qcow.h"
+#include "block-qcow.h"
#include "crypto/secret.h"
#define QCRYPTO_BLOCK_QCOW_SECTOR_SIZE 512
static int
qcrypto_block_qcow_init(QCryptoBlock *block,
const char *keysecret,
+ size_t n_threads,
Error **errp)
{
char *password;
goto fail;
}
- block->cipher = qcrypto_cipher_new(QCRYPTO_CIPHER_ALG_AES_128,
- QCRYPTO_CIPHER_MODE_CBC,
- keybuf, G_N_ELEMENTS(keybuf),
- errp);
- if (!block->cipher) {
+ ret = qcrypto_block_init_cipher(block, QCRYPTO_CIPHER_ALG_AES_128,
+ QCRYPTO_CIPHER_MODE_CBC,
+ keybuf, G_N_ELEMENTS(keybuf),
+ n_threads, errp);
+ if (ret < 0) {
ret = -ENOTSUP;
goto fail;
}
+ block->sector_size = QCRYPTO_BLOCK_QCOW_SECTOR_SIZE;
block->payload_offset = 0;
return 0;
fail:
- qcrypto_cipher_free(block->cipher);
+ qcrypto_block_free_cipher(block);
qcrypto_ivgen_free(block->ivgen);
return ret;
}
QCryptoBlockReadFunc readfunc G_GNUC_UNUSED,
void *opaque G_GNUC_UNUSED,
unsigned int flags,
+ size_t n_threads,
Error **errp)
{
if (flags & QCRYPTO_BLOCK_OPEN_NO_IO) {
+ block->sector_size = QCRYPTO_BLOCK_QCOW_SECTOR_SIZE;
+ block->payload_offset = 0;
return 0;
} else {
if (!options->u.qcow.key_secret) {
optprefix ? optprefix : "");
return -1;
}
- return qcrypto_block_qcow_init(block,
- options->u.qcow.key_secret, errp);
+ return qcrypto_block_qcow_init(block, options->u.qcow.key_secret,
+ n_threads, errp);
}
}
return -1;
}
/* QCow2 has no special header, since everything is hardwired */
- return qcrypto_block_qcow_init(block, options->u.qcow.key_secret, errp);
+ return qcrypto_block_qcow_init(block, options->u.qcow.key_secret, 1, errp);
}
static int
qcrypto_block_qcow_decrypt(QCryptoBlock *block,
- uint64_t startsector,
+ uint64_t offset,
uint8_t *buf,
size_t len,
Error **errp)
{
- return qcrypto_block_decrypt_helper(block->cipher,
- block->niv, block->ivgen,
+ assert(QEMU_IS_ALIGNED(offset, QCRYPTO_BLOCK_QCOW_SECTOR_SIZE));
+ assert(QEMU_IS_ALIGNED(len, QCRYPTO_BLOCK_QCOW_SECTOR_SIZE));
+ return qcrypto_block_decrypt_helper(block,
QCRYPTO_BLOCK_QCOW_SECTOR_SIZE,
- startsector, buf, len, errp);
+ offset, buf, len, errp);
}
static int
qcrypto_block_qcow_encrypt(QCryptoBlock *block,
- uint64_t startsector,
+ uint64_t offset,
uint8_t *buf,
size_t len,
Error **errp)
{
- return qcrypto_block_encrypt_helper(block->cipher,
- block->niv, block->ivgen,
+ assert(QEMU_IS_ALIGNED(offset, QCRYPTO_BLOCK_QCOW_SECTOR_SIZE));
+ assert(QEMU_IS_ALIGNED(len, QCRYPTO_BLOCK_QCOW_SECTOR_SIZE));
+ return qcrypto_block_encrypt_helper(block,
QCRYPTO_BLOCK_QCOW_SECTOR_SIZE,
- startsector, buf, len, errp);
+ offset, buf, len, errp);
}