diff --git a/acceptance/openstack/kms/v1/keys_test.go b/acceptance/openstack/kms/v1/keys_test.go
index 6c9b136f5..afae532da 100644
--- a/acceptance/openstack/kms/v1/keys_test.go
+++ b/acceptance/openstack/kms/v1/keys_test.go
@@ -1,6 +1,11 @@
 package v1
 
 import (
+	"crypto/rand"
+	"crypto/rsa"
+	"crypto/x509"
+	"encoding/base64"
+	"regexp"
 	"testing"
 
 	"github.com/opentelekomcloud/gophertelekomcloud/acceptance/clients"
@@ -84,3 +89,64 @@ func TestKmsEncryptDataLifecycle(t *testing.T) {
 
 	tools.PrintResource(t, kmsDecrypt)
 }
+
+// Test requries an external kms key in `pending import` state
+// and can't be run more than once for the key or an error will occur:
+// `The plain key value must be same with imported before when try to re-import a deleted key material`
+func TestKmsCMKImportLifecycle(t *testing.T) {
+	kmsID := clients.EnvOS.GetEnv("KMS_ID")
+	if kmsID == "" {
+		t.Skip("OS_KMS_ID env var is missing but KMSv1 grant test requires")
+	}
+
+	client, err := clients.NewKMSV1Client()
+	th.AssertNoErr(t, err)
+
+	getOpts := keys.GetCMKImportOpts{
+		KeyId:             kmsID,
+		WrappingAlgorithm: "RSAES_PKCS1_V1_5",
+	}
+
+	getResp, err := keys.GetCMKImport(client, getOpts)
+	th.AssertNoErr(t, err)
+
+	publicKeyBytes, err := base64.StdEncoding.DecodeString(getResp.PublicKey)
+	th.AssertNoErr(t, err)
+
+	pubKey, err := x509.ParsePKIXPublicKey(publicKeyBytes)
+	th.AssertNoErr(t, err)
+
+	rsaPublicKey, ok := pubKey.(*rsa.PublicKey)
+	th.AssertEquals(t, ok, true)
+
+	keyMaterial := make([]byte, 32)
+	_, err = rand.Read(keyMaterial)
+	th.AssertNoErr(t, err)
+
+	encryptedKeyMaterial, err := rsa.EncryptPKCS1v15(
+		rand.Reader,
+		rsaPublicKey,
+		keyMaterial,
+	)
+	th.AssertNoErr(t, err)
+
+	publicMaterial := base64.StdEncoding.EncodeToString(encryptedKeyMaterial)
+
+	matched, err := regexp.MatchString("^[0-9a-zA-Z+/=]{344,360}$", publicMaterial)
+	th.AssertNoErr(t, err)
+	th.AssertEquals(t, matched, true)
+
+	kmsOpts := keys.ImportCMKOpts{
+		KeyId:                kmsID,
+		ImportToken:          getResp.ImportToken,
+		EncryptedKeyMaterial: publicMaterial,
+	}
+
+	err = keys.ImportCMKMaterial(client, kmsOpts)
+	th.AssertNoErr(t, err)
+
+	err = keys.DeleteCMKImport(client, keys.DeleteCMKImportOpts{
+		KeyId: kmsID,
+	})
+	th.AssertNoErr(t, err)
+}
diff --git a/openstack/kms/v1/keys/Create.go b/openstack/kms/v1/keys/Create.go
index 82e9ed86f..9b72c6c60 100644
--- a/openstack/kms/v1/keys/Create.go
+++ b/openstack/kms/v1/keys/Create.go
@@ -15,6 +15,8 @@ type CreateOpts struct {
 	Realm string `json:"realm,omitempty"`
 	// Purpose of a CMK (The default value is Encrypt_Decrypt)
 	KeyUsage string `json:"key_usage,omitempty"`
+	// Origin of a CMK. The default value is kms. Possible values: `kms` / `external`
+	Origin string `json:"origin,omitempty"`
 }
 
 func Create(client *golangsdk.ServiceClient, opts CreateOpts) (*Key, error) {
diff --git a/openstack/kms/v1/keys/DeleteCMKImport.go b/openstack/kms/v1/keys/DeleteCMKImport.go
new file mode 100644
index 000000000..ba35cfa8d
--- /dev/null
+++ b/openstack/kms/v1/keys/DeleteCMKImport.go
@@ -0,0 +1,23 @@
+package keys
+
+import (
+	golangsdk "github.com/opentelekomcloud/gophertelekomcloud"
+	"github.com/opentelekomcloud/gophertelekomcloud/internal/build"
+)
+
+type DeleteCMKImportOpts struct {
+	KeyId    string `json:"key_id" required:"true"`
+	Sequence string `json:"sequence,omitempty"`
+}
+
+func DeleteCMKImport(client *golangsdk.ServiceClient, opts DeleteCMKImportOpts) error {
+	b, err := build.RequestBody(opts, "")
+	if err != nil {
+		return err
+	}
+
+	_, err = client.Post(client.ServiceURL("kms", "delete-imported-key-material"), b, nil, &golangsdk.RequestOpts{
+		OkCodes: []int{200},
+	})
+	return err
+}
diff --git a/openstack/kms/v1/keys/GetCMKImport.go b/openstack/kms/v1/keys/GetCMKImport.go
new file mode 100644
index 000000000..8ea185e40
--- /dev/null
+++ b/openstack/kms/v1/keys/GetCMKImport.go
@@ -0,0 +1,39 @@
+package keys
+
+import (
+	golangsdk "github.com/opentelekomcloud/gophertelekomcloud"
+	"github.com/opentelekomcloud/gophertelekomcloud/internal/build"
+	"github.com/opentelekomcloud/gophertelekomcloud/internal/extract"
+)
+
+type GetCMKImportOpts struct {
+	KeyId             string `json:"key_id" required:"true"`
+	WrappingAlgorithm string `json:"wrapping_algorithm" required:"true"`
+	Sequence          string `json:"sequence,omitempty"`
+}
+
+func GetCMKImport(client *golangsdk.ServiceClient, opts GetCMKImportOpts) (*CMKImport, error) {
+	b, err := build.RequestBody(opts, "")
+	if err != nil {
+		return nil, err
+	}
+
+	raw, err := client.Post(client.ServiceURL("kms", "get-parameters-for-import"), &b, nil, &golangsdk.RequestOpts{
+		OkCodes: []int{200},
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	var res CMKImport
+
+	err = extract.Into(raw.Body, &res)
+	return &res, err
+}
+
+type CMKImport struct {
+	KeyId          string `json:"key_id"`
+	ImportToken    string `json:"import_token"`
+	ExpirationTime int    `json:"expiration_time"`
+	PublicKey      string `json:"public_key"`
+}
diff --git a/openstack/kms/v1/keys/ImportCMKMaterial.go b/openstack/kms/v1/keys/ImportCMKMaterial.go
new file mode 100644
index 000000000..9589f36fb
--- /dev/null
+++ b/openstack/kms/v1/keys/ImportCMKMaterial.go
@@ -0,0 +1,27 @@
+package keys
+
+import (
+	golangsdk "github.com/opentelekomcloud/gophertelekomcloud"
+	"github.com/opentelekomcloud/gophertelekomcloud/internal/build"
+)
+
+type ImportCMKOpts struct {
+	KeyId                string `json:"key_id" required:"true"`
+	ImportToken          string `json:"import_token" required:"true"`
+	EncryptedKeyMaterial string `json:"encrypted_key_material" required:"true"`
+	ExpirationTime       string `json:"expiration_time,omitempty"`
+	Sequence             string `json:"sequence,omitempty"`
+}
+
+func ImportCMKMaterial(client *golangsdk.ServiceClient, opts ImportCMKOpts) error {
+	b, err := build.RequestBody(opts, "")
+	if err != nil {
+		return err
+	}
+
+	_, err = client.Post(client.ServiceURL("kms", "import-key-material"), b, nil, &golangsdk.RequestOpts{
+		OkCodes: []int{200},
+	})
+
+	return err
+}