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Date: Tue, 24 Nov 2020 16:36:56 +0100 (CET)
From: Dietmar Maurer <dietmar@proxmox.com>
To: Proxmox Backup Server development discussion <pbs-devel@lists.proxmox.com>, 
 =?UTF-8?Q?Fabian_Gr=C3=BCnbichler?= <f.gruenbichler@proxmox.com>
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Subject: Re: [pbs-devel] [PATCH proxmox-backup-qemu 1/2] encryption key
 tracking: use fingerprint
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Does this improve something? I can't see the purpose of this change.


> @@ -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,
>          };
>