From b584611a066284a0d00fcef5d843347345b053d6 Mon Sep 17 00:00:00 2001
From: Ciprian Dorin Craciun <ciprian@volution.ro>
Date: Wed, 15 Dec 2021 17:55:34 +0200
Subject: [PATCH] [archiver]  Switch to using Blake3 instead of SHA256.

---
 sources/cmd/archiver/archiver.go | 8 ++++----
 sources/go.mod                   | 1 +
 sources/go.sum                   | 5 +++++
 3 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/sources/cmd/archiver/archiver.go b/sources/cmd/archiver/archiver.go
index 884d361..9e46fa0 100644
--- a/sources/cmd/archiver/archiver.go
+++ b/sources/cmd/archiver/archiver.go
@@ -3,7 +3,6 @@
 package archiver
 
 
-import "crypto/sha256"
 import "encoding/hex"
 import "encoding/json"
 import "flag"
@@ -20,6 +19,7 @@ import "syscall"
 import "time"
 
 import "github.com/colinmarc/cdb"
+import "github.com/zeebo/blake3"
 import "go.etcd.io/bbolt"
 
 import . "github.com/volution/kawipiko/lib/common"
@@ -93,7 +93,7 @@ func archiveFile (_context *context, _pathResolved string, _pathInArchive string
 	}
 	
 	_fileIdText := fmt.Sprintf ("%d.%d-%d-%d.%d", _fileDev, _fileInode, _fileSize, _fileTimestamp[0], _fileTimestamp[1])
-	_fileIdRaw := sha256.Sum256 ([]byte (_fileIdText))
+	_fileIdRaw := blake3.Sum256 ([]byte (_fileIdText))
 	_fileId := hex.EncodeToString (_fileIdRaw[:])
 	
 	var _wasStored bool
@@ -492,7 +492,7 @@ func prepareDataContent (_context *context, _pathResolved string, _pathInArchive
 		} else {
 			return "", nil, nil, _error
 		}
-		_fingerprintContentRaw := sha256.Sum256 (_dataContent)
+		_fingerprintContentRaw := blake3.Sum256 (_dataContent)
 		_fingerprintContent = hex.EncodeToString (_fingerprintContentRaw[:])
 		_dataSize = len (_dataContent)
 	}
@@ -697,7 +697,7 @@ func prepareDataMeta (_context *context, _dataMeta map[string]string) (string, [
 		return "", nil, _error
 	}
 	
-	_fingerprintMetaRaw := sha256.Sum256 (_dataMetaRaw)
+	_fingerprintMetaRaw := blake3.Sum256 (_dataMetaRaw)
 	_fingerprintMeta := hex.EncodeToString (_fingerprintMetaRaw[:])
 	
 	if _wasStored, _ := _context.storedDataMeta[_fingerprintMeta]; _wasStored {
diff --git a/sources/go.mod b/sources/go.mod
index 8913bf9..8bdc2b2 100644
--- a/sources/go.mod
+++ b/sources/go.mod
@@ -16,6 +16,7 @@ require (
 	github.com/stretchr/testify v1.7.0 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/tcplisten v1.0.0 // indirect
+	github.com/zeebo/blake3 v0.2.1 // indirect
 	go.etcd.io/bbolt v1.3.6 // indirect
 	golang.org/x/sys v0.0.0-20211117180635-dee7805ff2e1 // indirect
 	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
diff --git a/sources/go.sum b/sources/go.sum
index a146bee..f554669 100644
--- a/sources/go.sum
+++ b/sources/go.sum
@@ -25,12 +25,17 @@ github.com/valyala/fasthttp v1.31.0 h1:lrauRLII19afgCs2fnWRJ4M5IkV0lo2FqA61uGkNB
 github.com/valyala/fasthttp v1.31.0/go.mod h1:2rsYD01CKFrjjsvFxx75KlEUNpWNBY9JWD3K/7o2Cus=
 github.com/valyala/tcplisten v1.0.0 h1:rBHj/Xf+E1tRGZyWIWwJDiRY0zc1Js+CV5DqwacVSA8=
 github.com/valyala/tcplisten v1.0.0/go.mod h1:T0xQ8SeCZGxckz9qRXTfG43PvQ/mcWh7FwZEA7Ioqkc=
+github.com/zeebo/assert v1.1.0/go.mod h1:Pq9JiuJQpG8JLJdtkwrJESF0Foym2/D9XMU5ciN/wJ0=
+github.com/zeebo/blake3 v0.2.1 h1:O+N0Y8Re2XAYjp0adlZDA2juyRguhMfPCgh8YIf7vyE=
+github.com/zeebo/blake3 v0.2.1/go.mod h1:TSQ0KjMH+pht+bRyvVooJ1rBpvvngSGaPISafq9MxJk=
+github.com/zeebo/pcg v1.0.1/go.mod h1:09F0S9iiKrwn9rlI5yjLkmrug154/YRW6KnnXVDM/l4=
 go.etcd.io/bbolt v1.3.6 h1:/ecaJf0sk1l4l6V4awd65v2C3ILy7MSj+s/x1ADCIMU=
 go.etcd.io/bbolt v1.3.6/go.mod h1:qXsaaIqmgQH0T+OPdb99Bf+PKfBBQVAdyD6TY9G8XM4=
 golang.org/x/crypto v0.0.0-20210513164829-c07d793c2f9a/go.mod h1:P+XmwS30IXTQdn5tA2iutPOUgjI07+tq3H3K9MVA1s8=
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20210510120150-4163338589ed/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/sys v0.0.0-20200923182605-d9f96fdee20d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20201014080544-cc95f250f6bc/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210514084401-e8d321eab015/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=