4af89543cf
With following changes - Add SSE and refactor encryption API (#942) <Andreas Auernhammer> - add copyObject test changing metadata and preserving etag (#944) <Harshavardhana> - Add SSE-C tests for multipart, copy, get range operations (#941) <Harshavardhana> - Removing conditional check for notificationInfoCh in api-notication (#940) <Matthew Magaldi> - Honor prefix parameter in ListBucketPolicies API (#929) <kannappanr> - test for empty objects uploaded with SSE-C headers (#927) <kannappanr> - Encryption headers should also be set during initMultipart (#930) <Harshavardhana> - Add support for Content-Language metadata header (#928) <kannappanr> - Fix check for duplicate notification configuration entries (#917) <kannappanr> - allow OS to cleanup sockets in TIME_WAIT (#925) <Harshavardhana> - Sign V2: Fix signature calculation in virtual host style (#921) <A. Elleuch> - bucket policy: Support json string in Principal field (#919) <A. Elleuch> - Fix copyobject failure for empty files (#918) <kannappanr> - Add new constructor NewWithOptions to SDK (#915) <poornas> - Support redirect headers to sign again with new Host header. (#829) <Harshavardhana> - Fail in PutObject if invalid user metadata is passed <Harshavadhana> - PutObjectOptions Header: Don't include invalid header <Isaac Hess> - increase max retry count to 10 (#913) <poornas> - Add new regions for Paris and China west. (#905) <Harshavardhana> - fix s3signer to use req.Host header (#899) <Bartłomiej Nogaś>
53 lines
1.1 KiB
Go
53 lines
1.1 KiB
Go
// Copyright 2017 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package argon2
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import (
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"encoding/binary"
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"hash"
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"golang.org/x/crypto/blake2b"
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)
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// blake2bHash computes an arbitrary long hash value of in
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// and writes the hash to out.
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func blake2bHash(out []byte, in []byte) {
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var b2 hash.Hash
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if n := len(out); n < blake2b.Size {
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b2, _ = blake2b.New(n, nil)
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} else {
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b2, _ = blake2b.New512(nil)
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}
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var buffer [blake2b.Size]byte
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binary.LittleEndian.PutUint32(buffer[:4], uint32(len(out)))
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b2.Write(buffer[:4])
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b2.Write(in)
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if len(out) <= blake2b.Size {
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b2.Sum(out[:0])
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return
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}
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outLen := len(out)
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b2.Sum(buffer[:0])
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b2.Reset()
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copy(out, buffer[:32])
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out = out[32:]
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for len(out) > blake2b.Size {
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b2.Write(buffer[:])
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b2.Sum(buffer[:0])
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copy(out, buffer[:32])
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out = out[32:]
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b2.Reset()
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}
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if outLen%blake2b.Size > 0 { // outLen > 64
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r := ((outLen + 31) / 32) - 2 // ⌈τ /32⌉-2
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b2, _ = blake2b.New(outLen-32*r, nil)
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}
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b2.Write(buffer[:])
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b2.Sum(out[:0])
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}
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