github.com/minio/minio@v0.0.0-20240328213742-3f72439b8a27/internal/kms/dek_test.go (about)

     1  // Copyright (c) 2015-2021 MinIO, Inc.
     2  //
     3  // This file is part of MinIO Object Storage stack
     4  //
     5  // This program is free software: you can redistribute it and/or modify
     6  // it under the terms of the GNU Affero General Public License as published by
     7  // the Free Software Foundation, either version 3 of the License, or
     8  // (at your option) any later version.
     9  //
    10  // This program is distributed in the hope that it will be useful
    11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13  // GNU Affero General Public License for more details.
    14  //
    15  // You should have received a copy of the GNU Affero General Public License
    16  // along with this program.  If not, see <http://www.gnu.org/licenses/>.
    17  
    18  package kms
    19  
    20  import (
    21  	"bytes"
    22  	"encoding/base64"
    23  	"testing"
    24  )
    25  
    26  var dekEncodeDecodeTests = []struct {
    27  	Key DEK
    28  }{
    29  	{
    30  		Key: DEK{},
    31  	},
    32  	{
    33  		Key: DEK{
    34  			Plaintext:  nil,
    35  			Ciphertext: mustDecodeB64("eyJhZWFkIjoiQUVTLTI1Ni1HQ00tSE1BQy1TSEEtMjU2IiwiaXYiOiJ3NmhLUFVNZXVtejZ5UlVZL29pTFVBPT0iLCJub25jZSI6IktMSEU3UE1jRGo2N2UweHkiLCJieXRlcyI6Ik1wUkhjQWJaTzZ1Sm5lUGJGcnpKTkxZOG9pdkxwTmlUcTNLZ0hWdWNGYkR2Y0RlbEh1c1lYT29zblJWVTZoSXIifQ=="),
    36  		},
    37  	},
    38  	{
    39  		Key: DEK{
    40  			Plaintext:  mustDecodeB64("GM2UvLXp/X8lzqq0mibFC0LayDCGlmTHQhYLj7qAy7Q="),
    41  			Ciphertext: mustDecodeB64("eyJhZWFkIjoiQUVTLTI1Ni1HQ00tSE1BQy1TSEEtMjU2IiwiaXYiOiJ3NmhLUFVNZXVtejZ5UlVZL29pTFVBPT0iLCJub25jZSI6IktMSEU3UE1jRGo2N2UweHkiLCJieXRlcyI6Ik1wUkhjQWJaTzZ1Sm5lUGJGcnpKTkxZOG9pdkxwTmlUcTNLZ0hWdWNGYkR2Y0RlbEh1c1lYT29zblJWVTZoSXIifQ=="),
    42  		},
    43  	},
    44  }
    45  
    46  func TestEncodeDecodeDEK(t *testing.T) {
    47  	for i, test := range dekEncodeDecodeTests {
    48  		text, err := test.Key.MarshalText()
    49  		if err != nil {
    50  			t.Fatalf("Test %d: failed to marshal DEK: %v", i, err)
    51  		}
    52  
    53  		var key DEK
    54  		if err = key.UnmarshalText(text); err != nil {
    55  			t.Fatalf("Test %d: failed to unmarshal DEK: %v", i, err)
    56  		}
    57  		if key.Plaintext != nil {
    58  			t.Fatalf("Test %d: unmarshaled DEK contains non-nil plaintext", i)
    59  		}
    60  		if !bytes.Equal(key.Ciphertext, test.Key.Ciphertext) {
    61  			t.Fatalf("Test %d: ciphertext mismatch: got %x - want %x", i, key.Ciphertext, test.Key.Ciphertext)
    62  		}
    63  	}
    64  }
    65  
    66  func mustDecodeB64(s string) []byte {
    67  	b, err := base64.StdEncoding.DecodeString(s)
    68  	if err != nil {
    69  		panic(err)
    70  	}
    71  	return b
    72  }