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644c2ce326
* crypto: add support for parsing SSE-C/SSE-S3 metadata This commit adds support for detecting and parsing SSE-C/SSE-S3 object metadata. With the `IsEncrypted` functions it is possible to determine whether an object seems to be encrypted. With the `ParseMetadata` functions it is possible to validate such metadata and extract the SSE-C/SSE-S3 related values. It also fixes some naming issues. * crypto: add functions for creating SSE object metadata This commit adds functions for creating SSE-S3 and SSE-C metadata. It also adds a `CreateMultipartMetadata` for creating multipart metadata. For all functions unit tests are included.
85 lines
4.1 KiB
Go
85 lines
4.1 KiB
Go
// Minio Cloud Storage, (C) 2015, 2016, 2017, 2018 Minio, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package crypto
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import (
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"bytes"
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"path"
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"strings"
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"testing"
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)
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var masterKeyKMSTests = []struct {
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GenKeyID, UnsealKeyID string
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GenContext, UnsealContext Context
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ShouldFail bool
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}{
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{GenKeyID: "", UnsealKeyID: "", GenContext: Context{}, UnsealContext: nil, ShouldFail: false}, // 0
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{GenKeyID: "ac47be7f", UnsealKeyID: "ac47be7f", GenContext: Context{}, UnsealContext: Context{}, ShouldFail: false}, // 1
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{GenKeyID: "ac47be7f", UnsealKeyID: "ac47be7f", GenContext: Context{"bucket": "object"}, UnsealContext: Context{"bucket": "object"}, ShouldFail: false}, // 2
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{GenKeyID: "", UnsealKeyID: "", GenContext: Context{"bucket": path.Join("bucket", "object")}, UnsealContext: Context{"bucket": path.Join("bucket", "object")}, ShouldFail: false}, // 3
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{GenKeyID: "", UnsealKeyID: "", GenContext: Context{"a": "a", "0": "0", "b": "b"}, UnsealContext: Context{"b": "b", "a": "a", "0": "0"}, ShouldFail: false}, // 4
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{GenKeyID: "ac47be7f", UnsealKeyID: "ac47be7e", GenContext: Context{}, UnsealContext: Context{}, ShouldFail: true}, // 5
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{GenKeyID: "ac47be7f", UnsealKeyID: "ac47be7f", GenContext: Context{"bucket": "object"}, UnsealContext: Context{"Bucket": "object"}, ShouldFail: true}, // 6
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{GenKeyID: "", UnsealKeyID: "", GenContext: Context{"bucket": path.Join("bucket", "Object")}, UnsealContext: Context{"bucket": path.Join("bucket", "object")}, ShouldFail: true}, // 7
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{GenKeyID: "", UnsealKeyID: "", GenContext: Context{"a": "a", "0": "1", "b": "b"}, UnsealContext: Context{"b": "b", "a": "a", "0": "0"}, ShouldFail: true}, // 8
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}
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func TestMasterKeyKMS(t *testing.T) {
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kms := NewKMS([32]byte{})
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for i, test := range masterKeyKMSTests {
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key, sealedKey, err := kms.GenerateKey(test.GenKeyID, test.GenContext)
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if err != nil {
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t.Errorf("Test %d: KMS failed to generate key: %v", i, err)
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}
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unsealedKey, err := kms.UnsealKey(test.UnsealKeyID, sealedKey, test.UnsealContext)
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if err != nil && !test.ShouldFail {
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t.Errorf("Test %d: KMS failed to unseal the generated key: %v", i, err)
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}
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if err == nil && test.ShouldFail {
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t.Errorf("Test %d: KMS unsealed the generated successfully but should have failed", i)
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}
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if !test.ShouldFail && !bytes.Equal(key[:], unsealedKey[:]) {
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t.Errorf("Test %d: The generated and unsealed key differ", i)
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}
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}
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}
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var contextWriteToTests = []struct {
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Context Context
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ExpectedJSON string
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}{
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{Context: Context{}, ExpectedJSON: "{}"}, // 0
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{Context: Context{"a": "b"}, ExpectedJSON: `{"a":"b"}`}, // 1
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{Context: Context{"a": "b", "c": "d"}, ExpectedJSON: `{"a":"b","c":"d"}`}, // 2
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{Context: Context{"c": "d", "a": "b"}, ExpectedJSON: `{"a":"b","c":"d"}`}, // 3
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{Context: Context{"0": "1", "-": "2", ".": "#"}, ExpectedJSON: `{"-":"2",".":"#","0":"1"}`}, // 4
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}
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func TestContextWriteTo(t *testing.T) {
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for i, test := range contextWriteToTests {
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var jsonContext strings.Builder
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if _, err := test.Context.WriteTo(&jsonContext); err != nil {
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t.Errorf("Test %d: Failed to encode context: %v", i, err)
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continue
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}
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if s := jsonContext.String(); s != test.ExpectedJSON {
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t.Errorf("Test %d: JSON representation differ - got: '%s' want: '%s'", i, s, test.ExpectedJSON)
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}
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}
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}
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