97cbb00 · bridge · git.iko.soy

src/lib/keys.js+4−4

compare with master

unifiedsplit

@@ -59,6 +59,9 @@ const jam = seed => {

59// simple alias to avoid importing kg into component scope

60export const deriveNetworkKeys = seed => kg.deriveNetworkKeys(seed);

61

62+export const createRing = pair =>

63+ pair.crypt.private + pair.auth.private + NETWORK_KEY_CURVE_PARAMETER;

64+

62/**

65/**

63 * @param {object} pair

66 * @param {object} pair

64 * @param {number} point

67 * @param {number} point

@@ -66,10 +69,7 @@ export const deriveNetworkKeys = seed => kg.deriveNetworkKeys(seed);

66 * @return {string}

69 * @return {string}

67 */

70 */

68export const compileNetworkingKey = (pair, point, revision) => {

71export const compileNetworkingKey = (pair, point, revision) => {

69− const bnsec = new BN(

72+ const bnsec = new BN(createRing(pair), 'hex');

70− pair.crypt.private + pair.auth.private + NETWORK_KEY_CURVE_PARAMETER,

71− 'hex'

72− );

73

74 const sed = noun.dwim(

75 noun.Atom.fromInt(point),

src/lib/networkCode.jsnew file+50

@@ -0,0 +1,50 @@

1+import { hex2patp } from 'urbit-ob';

2+import { createRing } from 'lib/keys';

3+

4+import jssha256 from 'js-sha256';

5+

6+function shax(buf) {

7+ const hashed = jssha256.sha256.array(buf);

8+ return Buffer.from(hashed);

9+}

10+

11+function hex2buf(hex) {

12+ return Buffer.from(hex, 'hex').reverse();

13+}

14+

15+function buf2hex(buf) {

16+ return Buffer.from(buf)

17+ .reverse()

18+ .toString('hex');

19+}

20+

21+function shas(buf, salt) {

22+ return shax(xor(salt, shax(buf)));

23+}

24+

25+function xor(a, b) {

26+ const length = Math.max(a.byteLength, b.byteLength);

27+ const result = new Uint8Array(length);

28+ for (let i = 0; i < length; i++) {

29+ result[i] = a[i] ^ b[i];

30+ }

31+ return result;

32+}

33+

34+function shaf(buf, salt) {

35+ const result = shas(buf, salt);

36+ const halfway = result.length / 2;

37+ const front = result.slice(0, halfway);

38+ const back = result.slice(halfway, result.length);

39+ return xor(front, back);

40+}

41+

42+export const generateCode = pair => {

43+ const ring = hex2buf(createRing(pair));

44+ const salt = hex2buf('73736170'); // salt is the noun %pass

45+ const hash = shax(ring);

46+ const result = shaf(hash, salt);

47+ const half = result.slice(0, result.length / 2);

48+

49+ return hex2patp(buf2hex(half));

50+};

src/lib/useKeyfileGenerator.js+7

@@ -8,6 +8,7 @@ import { useWallet } from 'store/wallet';

8import { usePointCursor } from 'store/pointCursor';

9

10import * as need from 'lib/need';

11+import { generateCode } from 'lib/networkCode';

11

12

12import {

13import {

13 attemptNetworkSeedDerivation,

14 attemptNetworkSeedDerivation,

@@ -28,6 +29,8 @@ export default function useKeyfileGenerator(manualNetworkSeed) {

28 const [generating, setGenerating] = useState(true);

29 const [generating, setGenerating] = useState(true);

29 const [keyfile, setKeyfile] = useState(false);

30 const [keyfile, setKeyfile] = useState(false);

30

31

32+ const [code, setCode] = useState(false);

33+

31 const _point = need.point(pointCursor);

34 const _point = need.point(pointCursor);

32 const _details = need.details(getDetails(_point));

35 const _details = need.details(getDetails(_point));

33

36

@@ -71,6 +74,8 @@ export default function useKeyfileGenerator(manualNetworkSeed) {

71

74

72 const pair = deriveNetworkKeys(_networkSeed);

75 const pair = deriveNetworkKeys(_networkSeed);

73

76

77+ setCode(generateCode(pair));

78+

74 if (!keysMatchChain(pair, _details)) {

79 if (!keysMatchChain(pair, _details)) {

75 setGenerating(false);

80 setGenerating(false);

76 setNotice('Derived networking keys do not match on-chain details.');

81 setNotice('Derived networking keys do not match on-chain details.');

@@ -88,6 +93,7 @@ export default function useKeyfileGenerator(manualNetworkSeed) {

88 urbitWallet,

93 urbitWallet,

89 wallet,

94 wallet,

90 authMnemonic,

95 authMnemonic,

96+ setCode,

91 _details,

97 _details,

92 _point,

98 _point,

93 ]);

99 ]);

@@ -113,6 +119,7 @@ export default function useKeyfileGenerator(manualNetworkSeed) {

113 downloaded,

119 downloaded,

114 download,

120 download,

115 notice,

121 notice,

122+ code,

116 };

123 };

117

124

118 return { ...values, bind: values };

125 return { ...values, bind: values };

src/views/Point.js+14

@@ -10,6 +10,7 @@ import View from 'components/View';

10import Greeting from 'components/Greeting';

11import Passport from 'components/Passport';

12import { ForwardButton, BootArvoButton } from 'components/Buttons';

13+import CopyButton from 'components/CopyButton';

13import { matchBlinky } from 'components/Blinky';

14import { matchBlinky } from 'components/Blinky';

14import DownloadSigilButton from 'components/DownloadSigilButton';

15import DownloadSigilButton from 'components/DownloadSigilButton';

15

16

@@ -18,6 +19,7 @@ import useInvites from 'lib/useInvites';

18import { useSyncOwnedPoints } from 'lib/useSyncPoints';

19import { useSyncOwnedPoints } from 'lib/useSyncPoints';

19import useCurrentPermissions from 'lib/useCurrentPermissions';

20import useCurrentPermissions from 'lib/useCurrentPermissions';

20import { useLocalRouter } from 'lib/LocalRouter';

21import { useLocalRouter } from 'lib/LocalRouter';

22+import useKeyfileGenerator from 'lib/useKeyfileGenerator';

21

23

22export default function Point() {

24export default function Point() {

23 const { pop, push, names } = useLocalRouter();

25 const { pop, push, names } = useLocalRouter();

@@ -26,6 +28,8 @@ export default function Point() {

26 const { wallet } = useWallet();

28 const { wallet } = useWallet();

27 const point = need.point(pointCursor);

29 const point = need.point(pointCursor);

28

30

31+ const { code, notice } = useKeyfileGenerator();

32+

29 const {

33 const {

30 isParent,

34 isParent,

31 isActiveOwner,

35 isActiveOwner,

@@ -109,6 +113,16 @@ export default function Point() {

109 Admin

113 Admin

110 </Grid.Item>

114 </Grid.Item>

111 <Grid.Divider />

115 <Grid.Divider />

116+ <Grid.Item

117+ full

118+ as={ForwardButton}

119+ accessory={code && <CopyButton text={code} />}

120+ detail={code || notice}

121+ disabled={!code}

122+ detailClassName="mono">

123+ Login Code

124+ </Grid.Item>

125+ <Grid.Divider />

112 {isParent && (

126 {isParent && (

113 <>

127 <>

114 <Grid.Item

128 <Grid.Item