51 lines
1.6 KiB
C#
51 lines
1.6 KiB
C#
/*
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* MinIO .NET Library for Amazon S3 Compatible Cloud Storage, (C) 2019 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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*/
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using Minio.Helper;
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namespace Minio.DataModel.Encryption;
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/// <summary>
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/// Server-side encryption with customer provided keys (SSE-C)
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/// </summary>
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public class SSEC : IServerSideEncryption
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{
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// secret AES-256 Key
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internal byte[] Key;
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public SSEC(byte[] key)
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{
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if (key is null || key.Length != 32)
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throw new ArgumentException("Secret key needs to be a 256 bit AES Key", nameof(key));
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Key = key;
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}
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public EncryptionType GetEncryptionType()
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{
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return EncryptionType.SSE_C;
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}
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public virtual void Marshal(IDictionary<string, string> headers)
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{
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if (headers is null) throw new ArgumentNullException(nameof(headers));
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var md5SumStr = Utils.GetMD5SumStr(Key);
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headers.Add("X-Amz-Server-Side-Encryption-Customer-Algorithm", "AES256");
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headers.Add("X-Amz-Server-Side-Encryption-Customer-Key", Convert.ToBase64String(Key));
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headers.Add("X-Amz-Server-Side-Encryption-Customer-Key-Md5", md5SumStr);
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}
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}
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