[pbs-devel] applied: [PATCH proxmox-backup-qemu 1/2] encryption key tracking: use fingerprint

[Dietmar Maurer <dietmar@proxmox.com>]

applied both patches.

> On 11/24/2020 2:05 PM Fabian Grünbichler <f.gruenbichler@proxmox.com> wrote:
> 
>  
> but accept old variant as well for now, to not invalidate bitmaps for
> freshly migrated VMs.
> 
> Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>
> ---
> 
> Notes:
>     needs proxmox-backup with Fingerprint::bytes()
> 
>  src/commands.rs | 13 +++++++++++--
>  1 file changed, 11 insertions(+), 2 deletions(-)
> 
> diff --git a/src/commands.rs b/src/commands.rs
> index 7a24b7c..dcee5a1 100644
> --- a/src/commands.rs
> +++ b/src/commands.rs
> @@ -108,6 +108,8 @@ fn archive_name(device_name: &str) -> String {
>  const CRYPT_CONFIG_HASH_INPUT:&[u8] = b"this is just a static string to protect against key changes";
>  
>  /// Create an identifying digest for the crypt config
> +/// legacy version for VMs freshly migrated from old version
> +/// TODO: remove in PVE 7.0
>  pub(crate) fn crypt_config_digest(
>      config: Arc<CryptConfig>,
>  ) -> [u8;32] {
> @@ -152,7 +154,8 @@ pub(crate) fn check_last_encryption_key(
>      let digest_guard = PREVIOUS_CRYPT_CONFIG_DIGEST.lock().unwrap();
>      match (*digest_guard, config)  {
>          (Some(last_digest), Some(current_config)) => {
> -            crypt_config_digest(current_config) == last_digest
> +            current_config.fingerprint().bytes() == &last_digest
> +                || crypt_config_digest(current_config) == last_digest
>          },
>          (None, None) => true,
>          _ => false,
> @@ -440,7 +443,13 @@ pub(crate) async fn finish_backup(
>  
>      {
>          let crypt_config_digest = match crypt_config {
> -            Some(current_config) => Some(crypt_config_digest(current_config)),
> +            Some(current_config) => {
> +                let fp = current_config
> +                    .fingerprint()
> +                    .bytes()
> +                    .to_owned();
> +                Some(fp)
> +            },
>              None => None,
>          };
>  
> -- 
> 2.20.1
> 
> 
> 
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