config: add separate option for handling attestation parameters (#1623)

* Add attestation options to config

* Add join-config migration path for clusters with old measurement format

* Always create MAA provider for Azure SNP clusters

* Remove confidential VM option from provider in favor of attestation options

* cli: add config migrate command to handle config migration (#1678)

---------

Signed-off-by: Daniel Weiße <dw@edgeless.systems>

internal/attestation/idkeydigest/idkeydigest.go

@@ -8,6 +8,7 @@ SPDX-License-Identifier: AGPL-3.0-only
 package idkeydigest
 
 import (
+	"bytes"
 	"encoding/hex"
 	"encoding/json"
 	"errors"
@@ -124,6 +125,19 @@ func DefaultList() List {
 	}
 }
 
+// EqualTo returns true if the List of digests is equal to the other List.
+func (d List) EqualTo(other List) bool {
+	if len(d) != len(other) {
+		return false
+	}
+	for i := range d {
+		if !bytes.Equal(d[i], other[i]) {
+			return false
+		}
+	}
+	return true
+}
+
 // MarshalYAML implements the yaml.Marshaler interface.
 func (d List) MarshalYAML() (any, error) {
 	encodedIDKeyDigests := []string{}