for(i = 0;i < len;i++) {
keybuf[i] = key[i];
}
+ assert(bs->encrypted);
s->crypt_method = s->crypt_method_header;
if (AES_set_encrypt_key(keybuf, 128, &s->aes_encrypt_key) != 0)
bdrv_truncate(bs->file, cluster_offset + s->cluster_size);
/* if encrypted, we must initialize the cluster
content which won't be written */
- if (s->crypt_method &&
+ if (bs->encrypted &&
(n_end - n_start) < s->cluster_sectors) {
uint64_t start_sect;
+ assert(s->crypt_method);
start_sect = (offset & ~(s->cluster_size - 1)) >> 9;
memset(s->cluster_data + 512, 0x00, 512);
for(i = 0; i < s->cluster_sectors; i++) {
if (ret < 0) {
break;
}
- if (s->crypt_method) {
+ if (bs->encrypted) {
+ assert(s->crypt_method);
encrypt_sectors(s, sector_num, buf, buf,
n, 0,
&s->aes_decrypt_key);
ret = -EIO;
break;
}
- if (s->crypt_method) {
+ if (bs->encrypted) {
+ assert(s->crypt_method);
if (!cluster_data) {
cluster_data = g_malloc0(s->cluster_size);
}
for(i = 0;i < len;i++) {
keybuf[i] = key[i];
}
+ assert(bs->encrypted);
s->crypt_method = s->crypt_method_header;
if (AES_set_encrypt_key(keybuf, 128, &s->aes_encrypt_key) != 0)
goto fail;
}
- if (s->crypt_method) {
+ if (bs->encrypted) {
+ assert(s->crypt_method);
+
/*
* For encrypted images, read everything into a temporary
* contiguous buffer on which the AES functions can work.
if (ret < 0) {
goto fail;
}
- if (s->crypt_method) {
+ if (bs->encrypted) {
+ assert(s->crypt_method);
qcow2_encrypt_sectors(s, sector_num, cluster_data,
cluster_data, cur_nr_sectors, 0, &s->aes_decrypt_key);
qemu_iovec_from_buf(qiov, bytes_done,
trace_qcow2_writev_start_part(qemu_coroutine_self());
index_in_cluster = sector_num & (s->cluster_sectors - 1);
cur_nr_sectors = remaining_sectors;
- if (s->crypt_method &&
+ if (bs->encrypted &&
cur_nr_sectors >
QCOW_MAX_CRYPT_CLUSTERS * s->cluster_sectors - index_in_cluster) {
cur_nr_sectors =
qemu_iovec_concat(&hd_qiov, qiov, bytes_done,
cur_nr_sectors * 512);
- if (s->crypt_method) {
+ if (bs->encrypted) {
+ assert(s->crypt_method);
if (!cluster_data) {
cluster_data = qemu_try_blockalign(bs->file,
QCOW_MAX_CRYPT_CLUSTERS
* that means we don't have to worry about reopening them here.
*/
- if (s->crypt_method) {
+ if (bs->encrypted) {
+ assert(s->crypt_method);
crypt_method = s->crypt_method;
memcpy(&aes_encrypt_key, &s->aes_encrypt_key, sizeof(aes_encrypt_key));
memcpy(&aes_decrypt_key, &s->aes_decrypt_key, sizeof(aes_decrypt_key));
return;
}
- if (crypt_method) {
+ if (bs->encrypted) {
s->crypt_method = crypt_method;
memcpy(&s->aes_encrypt_key, &aes_encrypt_key, sizeof(aes_encrypt_key));
memcpy(&s->aes_decrypt_key, &aes_decrypt_key, sizeof(aes_decrypt_key));