-
Notifications
You must be signed in to change notification settings - Fork 14
/
encryption.go
98 lines (80 loc) · 2.29 KB
/
encryption.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
package main
import (
"context"
"fmt"
"os"
cli "github.com/jawher/mow.cli"
"github.com/monax/hoard/v6"
"github.com/monax/hoard/v6/api"
"github.com/monax/hoard/v6/reference"
)
// Decrypt does what it says on the tin
func (client *Client) Decrypt(cmd *cli.Cmd) {
secretKey := addStringOpt(cmd, "key", secretOpt)
salt := addStringOpt(cmd, "salt", saltOpt)
cmd.Action = func() {
encryptedData := readData(os.Stdin)
dec, err := client.encryption.Decrypt(context.Background(),
&api.ReferenceAndCiphertext{
Reference: &reference.Ref{
SecretKey: readBase64(secretKey),
Salt: parseSalt(salt),
},
Ciphertext: &api.Ciphertext{
EncryptedData: encryptedData,
},
})
if err != nil {
fatalf("Error starting client: %v", err)
}
data, _, err := hoard.ReceivePlaintext(dec)
if err != nil {
fatalf("Error receiving data: %v", err)
}
os.Stdout.Write(data)
}
}
// Encrypt also does what it says on the tin
func (client *Client) Encrypt(cmd *cli.Cmd) {
salt := addStringOpt(cmd, "salt", saltOpt)
chunk := addIntOpt(cmd, "chunk", chunkOpt, chunkSize)
cmd.Action = func() {
validateChunkSize(*chunk)
data := readData(os.Stdin)
enc, err := client.encryption.Encrypt(context.Background())
if err != nil {
fatalf("Error starting client: %v", err)
}
err = hoard.SendPlaintext(enc, data, parseSalt(salt), *chunk)
if err != nil {
fatalf("Error sending data: %v", err)
}
refAndCiphertext, err := enc.CloseAndRecv()
if err != nil {
fatalf("Error closing client: %v", err)
}
os.Stdout.Write(refAndCiphertext.Ciphertext.EncryptedData)
}
}
// Ref encrypts as above, but then packages the data in a ref
func (client *Client) Ref(cmd *cli.Cmd) {
salt := addStringOpt(cmd, "salt", saltOpt)
chunk := addIntOpt(cmd, "chunk", chunkOpt, chunkSize)
cmd.Action = func() {
validateChunkSize(*chunk)
data := readData(os.Stdin)
enc, err := client.encryption.Encrypt(context.Background())
if err != nil {
fatalf("Error starting client: %v", err)
}
err = hoard.SendPlaintext(enc, data, parseSalt(salt), *chunk)
if err != nil {
fatalf("Error sending data: %v", err)
}
refAndCiphertext, err := enc.CloseAndRecv()
if err != nil {
fatalf("Error closing client: %v", err)
}
fmt.Printf("%s\n", jsonString(refAndCiphertext.Reference))
}
}