63 lines
2.0 KiB
Go
63 lines
2.0 KiB
Go
// Copyright (C) 2018 Storj Labs, Inc.
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// See LICENSE for copying information.
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package encryption_test
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import (
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"encoding/hex"
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"fmt"
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"storj.io/storj/pkg/encryption"
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"storj.io/storj/pkg/storj"
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)
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func ExampleEncryptPath() {
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var path = "fold1/fold2/fold3/file.txt"
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// seed
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seed := new(storj.Key)
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for i := range seed {
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seed[i] = byte(i)
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}
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fmt.Printf("root key (%d bytes): %s\n", len(seed), hex.EncodeToString(seed[:]))
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// use the seed for encrypting the path
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encryptedPath, err := encryption.EncryptPath(path, storj.AESGCM, seed)
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if err != nil {
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panic(err)
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}
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fmt.Println("path to encrypt:", path)
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fmt.Println("encrypted path: ", encryptedPath)
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// decrypting the path
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decryptedPath, err := encryption.DecryptPath(encryptedPath, storj.AESGCM, seed)
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if err != nil {
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panic(err)
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}
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fmt.Println("decrypted path: ", decryptedPath)
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// handling of shared path
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sharedPath := storj.JoinPaths(storj.SplitPath(encryptedPath)[2:]...)
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fmt.Println("shared path: ", sharedPath)
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derivedKey, err := encryption.DerivePathKey(decryptedPath, seed, 2)
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if err != nil {
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panic(err)
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}
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fmt.Printf("derived key (%d bytes): %s\n", len(derivedKey), hex.EncodeToString(derivedKey[:]))
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decryptedPath, err = encryption.DecryptPath(sharedPath, storj.AESGCM, derivedKey)
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if err != nil {
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panic(err)
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}
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fmt.Println("decrypted path: ", decryptedPath)
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// Output:
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// root key (32 bytes): 000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f
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// path to encrypt: fold1/fold2/fold3/file.txt
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// encrypted path: urxuYzqG_ZlJfBhkGaz87WvvnCZaYD7qf1_ZN_Pd91n5/IyncDwLhWPv4F7EaoUivwICnUeJMWlUnMATL4faaoH2s/_1gitX6uPd3etc3RgoD9R1waT5MPKrlrY32ehz_vqlOv/6qO4DU5AHFabE2r7hmAauvnomvtNByuO-FCw4ch_xaVR3SPE
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// decrypted path: fold1/fold2/fold3/file.txt
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// shared path: _1gitX6uPd3etc3RgoD9R1waT5MPKrlrY32ehz_vqlOv/6qO4DU5AHFabE2r7hmAauvnomvtNByuO-FCw4ch_xaVR3SPE
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// derived key (32 bytes): 909db5ccf2b645e3352ee8212305596ed514d9f84d5acd21d93b4527d2a0c7e1
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// decrypted path: fold3/file.txt
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}
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