cmd/age: add scrypt testscript

cmd/age/age.go

@@ -360,9 +360,12 @@ func encryptPass(in io.Reader, out io.Writer, armor bool) {
 	if err != nil {
 		errorf("%v", err)
 	}
+	testOnlyConfigureScryptIdentity(r)
 	encrypt([]age.Recipient{r}, in, out, armor)
 }
 
+var testOnlyConfigureScryptIdentity = func(*age.ScryptRecipient) {}
+
 func encrypt(recipients []age.Recipient, in io.Reader, out io.Writer, withArmor bool) {
 	if withArmor {
 		a := armor.NewWriter(out)

cmd/age/age_test.go

@@ -8,6 +8,7 @@ import (
 	"os"
 	"testing"
 
+	"filippo.io/age"
 	"github.com/rogpeppe/go-internal/testscript"
 )
 
@@ -20,6 +21,9 @@ func TestMain(m *testing.M) {
 					exitCode = recover().(int)
 				}
 			}()
+			testOnlyConfigureScryptIdentity = func(r *age.ScryptRecipient) {
+				r.SetWorkFactor(10)
+			}
 			main()
 			return 0
 		},

cmd/age/testdata/scrypt.txt

@@ -0,0 +1,42 @@
+[windows] skip # no pty support
+
+# Encrypt with a provided passphrase.
+pty terminal
+age -p -o test.age
+! stderr .
+! stdout .
+
+# Decrypt with a provided passphrase.
+pty terminal
+age -d test.age
+! stderr .
+! stdout .
+
+# Decrypt with the wrong passphrase.
+pty wrong
+! age -d test.age
+stderr 'incorrect passphrase'
+
+# Fail when -i is present.
+pty terminal
+! age -d -i key.txt test.age
+stderr 'file is passphrase-encrypted but identities were specified'
+
+# Fail when passphrases don't match.
+pty wrong
+! age -p -o fail.age
+stderr 'passphrases didn''t match'
+! exists fail.age
+
+-- terminal --
+password
+password
+-- wrong --
+PASSWORD
+password
+-- input --
+test
+-- key.txt --
+# created: 2021-02-02T13:09:43+01:00
+# public key: age1xmwwc06ly3ee5rytxm9mflaz2u56jjj36s0mypdrwsvlul66mv4q47ryef
+AGE-SECRET-KEY-1EGTZVFFV20835NWYV6270LXYVK2VKNX2MMDKWYKLMGR48UAWX40Q2P2LM0

go.mod

@@ -4,12 +4,16 @@ go 1.17
 
 require (
 	filippo.io/edwards25519 v1.0.0-rc.1
-	github.com/rogpeppe/go-internal v1.8.1
 	golang.org/x/crypto v0.0.0-20210817164053-32db794688a5
 	golang.org/x/sys v0.0.0-20210903071746-97244b99971b
 	golang.org/x/term v0.0.0-20210615171337-6886f2dfbf5b
 )
 
-require github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e // indirect
+// Test dependencies.
+require (
+	github.com/creack/pty v1.1.18 // indirect
+	github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e // indirect
+	github.com/rogpeppe/go-internal v1.8.1
+)
 
-replace github.com/rogpeppe/go-internal v1.8.1 => github.com/FiloSottile/go-internal v1.8.2-0.20220621104300-7a6402ba46b3 // https://github.com/rogpeppe/go-internal/pull/160
+replace github.com/rogpeppe/go-internal => github.com/FiloSottile/go-internal v1.8.2-0.20220703103932-d3b1faae2802

go.sum

@@ -1,7 +1,9 @@
 filippo.io/edwards25519 v1.0.0-rc.1 h1:m0VOOB23frXZvAOK44usCgLWvtsxIoMCTBGJZlpmGfU=
 filippo.io/edwards25519 v1.0.0-rc.1/go.mod h1:N1IkdkCkiLB6tki+MYJoSx2JTY9NUlxZE7eHn5EwJns=
-github.com/FiloSottile/go-internal v1.8.2-0.20220621104300-7a6402ba46b3 h1:GbSKIczszYD/5OPHiW+iH6GrQRcpfQ5gS0XrWIZ+V6Q=
-github.com/FiloSottile/go-internal v1.8.2-0.20220621104300-7a6402ba46b3/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs=
+github.com/FiloSottile/go-internal v1.8.2-0.20220703103932-d3b1faae2802 h1:nbboufyYTmxa9hcjNjUkBoKS6xBXXF0umj85jGKRiV0=
+github.com/FiloSottile/go-internal v1.8.2-0.20220703103932-d3b1faae2802/go.mod h1:dNbK7mWDMlmf5ttOAJJg+a4CyamnqDRrw+Uja1sBETc=
+github.com/creack/pty v1.1.18 h1:n56/Zwd5o6whRC5PMGretI4IdRLlmBXYNjScPaBgsbY=
+github.com/creack/pty v1.1.18/go.mod h1:MOBLtS5ELjhRRrroQr9kyvTxUAFNvYEK993ew/Vr4O4=
 github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e h1:aoZm08cpOy4WuID//EZDgcC4zIxODThtZNPirFr42+A=
 github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA=
 golang.org/x/crypto v0.0.0-20210817164053-32db794688a5 h1:HWj/xjIHfjYU5nVXpTM0s39J9CbLn7Cc5a7IC5rwsMQ=