oss changes for entropy augmentation feature (#7670)

* oss changes for entropy augmentation feature

* fix oss command/server/config tests

* update go.sum

* fix logical_system and http/ tests

* adds vendored files

* removes unused variable

command/server_util.go

@@ -2,9 +2,12 @@ package command
 
 import (
 	"context"
+	"crypto/rand"
 	"fmt"
+	"io"
 
 	log "github.com/hashicorp/go-hclog"
+	"github.com/hashicorp/vault/command/server"
 	"github.com/hashicorp/vault/vault"
 	vaultseal "github.com/hashicorp/vault/vault/seal"
 	shamirseal "github.com/hashicorp/vault/vault/seal/shamir"
@@ -12,9 +15,14 @@ import (
 )
 
 var (
-	onEnterprise = false
+	onEnterprise                 = false
+	createSecureRandomReaderFunc = createSecureRandomReader
 )
 
+func createSecureRandomReader(config *server.Config, seal *vault.Seal) (io.Reader, error) {
+	return rand.Reader, nil
+}
+
 func adjustCoreForSealMigration(logger log.Logger, core *vault.Core, barrierSeal, unwrapSeal vault.Seal) error {
 	existBarrierSealConfig, existRecoverySealConfig, err := core.PhysicalSealConfigs(context.Background())
 	if err != nil {