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8b660e18f2
This commit adds support for MinKMS. Now, there are three KMS implementations in `internal/kms`: Builtin, MinIO KES and MinIO KMS. Adding another KMS integration required some cleanup. In particular: - Various KMS APIs that haven't been and are not used have been removed. A lot of the code was broken anyway. - Metrics are now monitored by the `kms.KMS` itself. For basic metrics this is simpler than collecting metrics for external servers. In particular, each KES server returns its own metrics and no cluster-level view. - The builtin KMS now uses the same en/decryption implemented by MinKMS and KES. It still supports decryption of the previous ciphertext format. It's backwards compatible. - Data encryption keys now include a master key version since MinKMS supports multiple versions (~4 billion in total and 10000 concurrent) per key name. Signed-off-by: Andreas Auernhammer <github@aead.dev>
92 lines
2.9 KiB
Go
92 lines
2.9 KiB
Go
// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package kms
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import (
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"bytes"
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"context"
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"encoding/base64"
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"testing"
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)
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func TestSingleKeyRoundtrip(t *testing.T) {
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KMS, err := ParseSecretKey("my-key:eEm+JI9/q4JhH8QwKvf3LKo4DEBl6QbfvAl1CAbMIv8=")
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if err != nil {
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t.Fatalf("Failed to initialize KMS: %v", err)
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}
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key, err := KMS.GenerateKey(context.Background(), &GenerateKeyRequest{Name: "my-key"})
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if err != nil {
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t.Fatalf("Failed to generate key: %v", err)
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}
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plaintext, err := KMS.Decrypt(context.TODO(), &DecryptRequest{
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Name: key.KeyID,
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Ciphertext: key.Ciphertext,
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})
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if err != nil {
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t.Fatalf("Failed to decrypt key: %v", err)
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}
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if !bytes.Equal(key.Plaintext, plaintext) {
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t.Fatalf("Decrypted key does not match generated one: got %x - want %x", key.Plaintext, plaintext)
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}
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}
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func TestDecryptKey(t *testing.T) {
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KMS, err := ParseSecretKey("my-key:eEm+JI9/q4JhH8QwKvf3LKo4DEBl6QbfvAl1CAbMIv8=")
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if err != nil {
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t.Fatalf("Failed to initialize KMS: %v", err)
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}
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for i, test := range decryptKeyTests {
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dataKey, err := base64.StdEncoding.DecodeString(test.Plaintext)
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if err != nil {
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t.Fatalf("Test %d: failed to decode plaintext key: %v", i, err)
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}
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plaintext, err := KMS.Decrypt(context.TODO(), &DecryptRequest{
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Name: test.KeyID,
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Ciphertext: []byte(test.Ciphertext),
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AssociatedData: test.Context,
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})
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if err != nil {
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t.Fatalf("Test %d: failed to decrypt key: %v", i, err)
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}
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if !bytes.Equal(plaintext, dataKey) {
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t.Fatalf("Test %d: decrypted key does not generated one: got %x - want %x", i, plaintext, dataKey)
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}
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}
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}
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var decryptKeyTests = []struct {
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KeyID string
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Plaintext string
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Ciphertext string
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Context Context
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}{
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{
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KeyID: "my-key",
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Plaintext: "zmS7NrG765UZ0ZN85oPjybelxqVvpz01vxsSpOISy2M=",
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Ciphertext: `{"aead":"ChaCha20Poly1305","iv":"JbI+vwvYww1lCb5VpkAFuQ==","nonce":"ARjIjJxBSD541Gz8","bytes":"KCbEc2sA0TLvA7aWTWa23AdccVfJMpOxwgG8hm+4PaNrxYfy1xFWZg2gEenVrOgv"}`,
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},
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{
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KeyID: "my-key",
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Plaintext: "UnPWsZgVI+T4L9WGNzFlP1PsP1Z6hn2Fx8ISeZfDGnA=",
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Ciphertext: `{"aead":"ChaCha20Poly1305","iv":"r4+yfiVbVIYR0Z2I9Fq+6g==","nonce":"2YpwGwE59GcVraI3","bytes":"k/svMglOU7/Kgwv73heG38NWW575XLcFp3SaxQHDMjJGYyRI3Fiygu2OeutGPXNL"}`,
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Context: Context{"key": "value"},
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},
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}
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