|
| 1 | +package openpgp |
| 2 | + |
| 3 | +import ( |
| 4 | + "bytes" |
| 5 | + "fmt" |
| 6 | + "io/ioutil" |
| 7 | + "strings" |
| 8 | + "testing" |
| 9 | + |
| 10 | + "github.com/keybase/go-crypto/openpgp/armor" |
| 11 | +) |
| 12 | + |
| 13 | +func TestMultisig(t *testing.T) { |
| 14 | + kring1, err := ReadArmoredKeyRing(bytes.NewBufferString(testKey1)) |
| 15 | + if err != nil { |
| 16 | + t.Error(err) |
| 17 | + return |
| 18 | + } |
| 19 | + |
| 20 | + kring2, err := ReadArmoredKeyRing(bytes.NewBufferString(testKey2)) |
| 21 | + if err != nil { |
| 22 | + t.Error(err) |
| 23 | + return |
| 24 | + } |
| 25 | + |
| 26 | + if len(kring1) != 1 && len(kring2) != 1 { |
| 27 | + t.Fatalf("Expected both keyrings to only have one key each: len 1: %d len 2: %d", len(kring1), len(kring2)) |
| 28 | + } |
| 29 | + |
| 30 | + tryWithKey := func(keys EntityList) error { |
| 31 | + sig, err := armor.Decode(strings.NewReader(testSignature)) |
| 32 | + if err != nil { |
| 33 | + return err |
| 34 | + } |
| 35 | + |
| 36 | + md, err := ReadMessage(sig.Body, keys, nil, nil) |
| 37 | + if err != nil { |
| 38 | + return err |
| 39 | + } |
| 40 | + |
| 41 | + if !md.MultiSig { |
| 42 | + return fmt.Errorf("Expected MultiSig to be true") |
| 43 | + } |
| 44 | + |
| 45 | + if md.SignedByKeyId == 0 { |
| 46 | + return fmt.Errorf("SignedByKeyId should never be zero, even if keyring doesn't contain good key") |
| 47 | + } |
| 48 | + |
| 49 | + if md.SignedBy == nil { |
| 50 | + return fmt.Errorf("Couldn't find key message was signed with or message wasn't signed (md is %+v)", md) |
| 51 | + } |
| 52 | + |
| 53 | + if md.SignedBy.PublicKey != keys[0].PrimaryKey { |
| 54 | + return fmt.Errorf("Message wasn't by expected key (SignedBy is %p)", md.SignedBy) |
| 55 | + } |
| 56 | + |
| 57 | + _, err = ioutil.ReadAll(md.UnverifiedBody) |
| 58 | + if err != nil { |
| 59 | + return err |
| 60 | + } |
| 61 | + |
| 62 | + if md.SignatureError != nil { |
| 63 | + return fmt.Errorf("md.SignatureError: %s", md.SignatureError) |
| 64 | + } |
| 65 | + |
| 66 | + if md.Signature == nil && md.SignatureV3 == nil { |
| 67 | + return fmt.Errorf("Signature is nil after reading (md is %+v)", md) |
| 68 | + } |
| 69 | + |
| 70 | + return nil |
| 71 | + } |
| 72 | + |
| 73 | + badkey, err := ReadArmoredKeyRing(bytes.NewBufferString(matthiasuKey)) |
| 74 | + if err != nil { |
| 75 | + t.Error(err) |
| 76 | + return |
| 77 | + } |
| 78 | + |
| 79 | + t.Logf("Trying keyring 1") |
| 80 | + if err := tryWithKey(kring1); err != nil { |
| 81 | + t.Error(err) |
| 82 | + } |
| 83 | + |
| 84 | + t.Logf("Trying keyring 2") |
| 85 | + if err := tryWithKey(kring2); err != nil { |
| 86 | + t.Error(err) |
| 87 | + } |
| 88 | + |
| 89 | + t.Logf("Trying entirely unrelated key from different test file") |
| 90 | + err = tryWithKey(badkey) |
| 91 | + if err == nil { |
| 92 | + t.Error("Expected an error but got nil when trying unrelated key.") |
| 93 | + } |
| 94 | + t.Logf("When trying with bad key, error was: %s", err) |
| 95 | +} |
| 96 | + |
| 97 | +func TestMultisigMalformed(t *testing.T) { |
| 98 | + keys, err := ReadArmoredKeyRing(bytes.NewBufferString(testKey2)) |
| 99 | + if err != nil { |
| 100 | + t.Fatal(err) |
| 101 | + return |
| 102 | + } |
| 103 | + |
| 104 | + sig, err := armor.Decode(strings.NewReader(testSignatureMalformed)) |
| 105 | + if err != nil { |
| 106 | + t.Fatalf("Got error during decode: %v", err) |
| 107 | + } |
| 108 | + |
| 109 | + md, err := ReadMessage(sig.Body, keys, nil, nil) |
| 110 | + if err != nil { |
| 111 | + t.Fatalf("Got error during ReadMessage: %v", err) |
| 112 | + } |
| 113 | + |
| 114 | + if !md.MultiSig { |
| 115 | + t.Fatal("Expected MultiSig to be true") |
| 116 | + } |
| 117 | + |
| 118 | + _, err = ioutil.ReadAll(md.UnverifiedBody) |
| 119 | + if err != nil { |
| 120 | + t.Fatalf("Got error during ReadAll: %v", err) |
| 121 | + } |
| 122 | + |
| 123 | + if md.SignatureError == nil || md.Signature != nil { |
| 124 | + t.Fatalf("Expected SignatureError, got nil") |
| 125 | + } |
| 126 | + |
| 127 | + t.Logf("SignatureError is: %v", md.SignatureError) |
| 128 | +} |
| 129 | + |
| 130 | +const testKey1 = `-----BEGIN PGP PUBLIC KEY BLOCK----- |
| 131 | +
|
| 132 | +mDMEWfcV/BYJKwYBBAHaRw8BAQdAYhAuI4LPgxnu8MDU/XJpSlfCFPelz58v5QpU |
| 133 | +9R9MtFa0ClRlc3QgS2V5IDGIeQQTFggAIQUCWfcV/AIbAwULCQgHAgYVCAkKCwIE |
| 134 | +FgIDAQIeAQIXgAAKCRCc9gMcYqzhOWz5AP91QOM2xFiy5FZ+suqpP5zbygMNe/PJ |
| 135 | +wunDkjryQRaWqgEAjalogSO20NeTEbDBWiglggMvJrTFXMqdsZ5bdUkoSQi4OARZ |
| 136 | +9xX8EgorBgEEAZdVAQUBAQdAIXy/6CNrP/Tq6uDnTu9Vra8Qc05uGY18gUqou9/0 |
| 137 | +m1wDAQgHiGEEGBYIAAkFAln3FfwCGwwACgkQnPYDHGKs4TkTYwEA9JWX8sASAY6u |
| 138 | +NSuMuq3f3fKwYVR3kB0hYRd7ffic+aABALBDGedfGTfjKLWAqd+NFO4fKlQJjg0Y |
| 139 | ++EnrmcTzas4G |
| 140 | +=JK7o |
| 141 | +-----END PGP PUBLIC KEY BLOCK----- |
| 142 | +` |
| 143 | + |
| 144 | +const testKey2 = `-----BEGIN PGP PUBLIC KEY BLOCK----- |
| 145 | +
|
| 146 | +mDMEWfcWjxYJKwYBBAHaRw8BAQdAxsmWcp2FwAiRHylbOrDnoKKUBAa1wgQlE1mJ |
| 147 | +fNj4EFS0ClRlc3QgS2V5IDKIeQQTFggAIQUCWfcWjwIbAwULCQgHAgYVCAkKCwIE |
| 148 | +FgIDAQIeAQIXgAAKCRCIHHukx/1YbM3dAQDNiAF2ZqxrDvxv5chMeazuvsu9o5J8 |
| 149 | +mtpPludqpWKsvAD6AsH0fhDeIwKVBk1uigw3ut7VKyyNSSNezy3RczengQy4OARZ |
| 150 | +9xaPEgorBgEEAZdVAQUBAQdAF1hhJLcRj77GF+lc9gEVziFZ1yJW/8LYSMZ0AAo9 |
| 151 | +kkgDAQgHiGEEGBYIAAkFAln3Fo8CGwwACgkQiBx7pMf9WGxlJgD/RriX0jfA3Hjl |
| 152 | +pSCtbGRJGm6LZgYEn9XHzfmZ+ZTG9bsA/AxYjMrv4I3Ft4x6ogrqzvxmcga3zgGc |
| 153 | +QjcG/YKbNUQJ |
| 154 | +=/+FB |
| 155 | +-----END PGP PUBLIC KEY BLOCK----- |
| 156 | +` |
| 157 | + |
| 158 | +const testSignature = `-----BEGIN PGP MESSAGE----- |
| 159 | +
|
| 160 | +owGbwMvMwCHWIVO95PjfiByGCWDunG/MMklrHloynhZLYoj8bmpdgQq4OuJYGMQ4 |
| 161 | +GNhYmUCyDFycAjAtVeyMDAsPbJoqV7fr73PmkwouPLvPX02Oeye648Tq72GOz+68 |
| 162 | +lTdiZLigI+QhMS++YiL/9uLLKyZmlnX3iZ89rLYhTKZe2b5JHIv5MBeCzP9zUvnk |
| 163 | +xI4vmaJe3MJav1zjZZc67ZSJYVy9+Q33resy8X0M/4Mmhrs7zvyssnTjiTOTPzus |
| 164 | +uXp/8adNSepq6kncd9iiU5kB |
| 165 | +=QVa3 |
| 166 | +-----END PGP MESSAGE----- |
| 167 | +` |
| 168 | + |
| 169 | +// This signature payload ends prematurely, it claims to be signed by |
| 170 | +// both testKey1 (9CF6031C62ACE139) and testKey2 (881C7BA4C7FD586C) |
| 171 | +// but it only contains `signature packet` for 9CF6031C62ACE139. If we |
| 172 | +// test it with 881C7BA4C7FD586C, it should fail to read. |
| 173 | +const testSignatureMalformed = `-----BEGIN PGP MESSAGE----- |
| 174 | +
|
| 175 | +kA0DAAgWiBx7pMf9WGwAkA0DAAgWnPYDHGKs4TkByxZiAFn3NTt4eHh4eHh4eHh4 |
| 176 | +eHh4eHgKiF4EABYIAAYFAln3NTsACgkQnPYDHGKs4Tl6BwEAocCylR5+uv3nA8kg |
| 177 | +RAy7z9VjXu4VuMir91ZB5tztHzIBANAsEkgYnl94kQ+3c9OokWl2i44XzcMmsFYc |
| 178 | +fyM/ghcK |
| 179 | +=R0Rj |
| 180 | +-----END PGP ARMORED FILE----- |
| 181 | +` |
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