README.md

@@ -5,23 +5,19 @@ and convert it into a public JWK.
 
 Works for RSA and ECDSA public keys.
 
-# Features
+Features
+========
 
 &lt; 100 lines of code | <1kb gzipped | 1.8kb minified | 3.1kb with comments
 
-* [x] SSH Public Keys ([RFC 4253](https://coolaj86.com/articles/the-ssh-public-key-format/))
+* [x] SSH Public Keys
-  * fingerprint
+* [x] RSA Public Keys
-* [x] OpenSSH Private Keys
-* [x] RSA
-  * 2048, 3072, 4096
 * [x] EC Public Keys
   * P-256 (prime256v1, secp256r1)
   * P-384 (secp384r1)
 * [x] Browser Version
   * [Bluecrypt SSH to JWK](https://git.coolaj86.com/coolaj86/bluecrypt-ssh-to-jwk.js)
 
-Note: Lines of code have increased by about 2x since adding private key support.
-
 ### Need JWK to SSH? SSH to PEM?
 
 Try one of these:
@@ -32,12 +28,9 @@ Try one of these:
 
 ### Need SSH Private Keys?
 
-Many SSH private keys are just normal PEM files,
+SSH private keys are just normal PEM files,
 so you can use Eckles or Rasha, as mentioned above.
 
-As for the [OpenSSH-specific Private Keys](https://coolaj86.com/articles/the-openssh-private-key-format/),
-both EC and RSA are fully supported.
-
 # CLI
 
 You can install `ssh-to-jwk` and use it from command line:
@@ -50,43 +43,22 @@ npm install -g ssh-to-jwk
 ssh-to-jwk ~/.ssh/id_rsa.pub
 ```
 
-```bash
-ssh-to-jwk ~/.ssh/id_rsa
-```
-
 # Usage
 
 You can also use it from JavaScript:
 
-**SSH to JWK**
-
 ```js
 var fs = require('fs');
 var sshtojwk = require('ssh-to-jwk');
-var ssh;
 
-ssh = sshtojwk.parse({ pub: fs.readFileSync("./id_rsa.pub") });
-console.info(ssh.jwk);
-
-// For OpenSSH PEMs only, use Rasha for standard RSA or Eckles for standard EC
-ssh = sshtojwk.parse({ pem: fs.readFileSync("./id_rsa") });
-console.info(ssh.jwk);
-```
-
-**SSH Fingerprint**
-
-```js
-var fs = require('fs');
-var sshtojwk = require('ssh-to-jwk');
 var pub = fs.readFileSync("./id_rsa.pub");
+var ssh = sshtojwk.parse(pub);
 
-sshtojwk.fingerprint({ pub: pub }).then(function (fingerprint) {
+console.info(ssh.jwk);
-  console.info(fingerprint);
-  // SHA256:yCB62vBVsOwqksgYwy/WDbaMF2PhPijAwcrlzmrxfko
-});
 ```
 
-# Legal
+Legal
+-----
 
 [ssh-to-jwk.js](https://git.coolaj86.com/coolaj86/ssh-to-jwk.js) |
 MPL-2.0 |

bin/ssh-to-jwk.js

@@ -6,27 +6,12 @@ var path = require('path');
 var sshtojwk = require('../index.js');
 
 var pubfile = process.argv[2];
-var pub = process.argv[3];
 
 if (!pubfile) {
   pubfile = path.join(require('os').homedir(), '.ssh/id_rsa.pub');
 }
 
 var buf = fs.readFileSync(pubfile);
-var txt = buf.toString('ascii');
+var ssh = sshtojwk.parse(buf.toString('ascii'));
-var opts = { public: 'public' === pub };
-var ssh;
 
-if ('-' === txt[0]) {
+console.info(JSON.stringify(ssh.jwk, null, 2));
-  opts.pem = txt;
-} else {
-  opts.pub = txt;
-}
-
-ssh = sshtojwk.parse(opts);
-
-// Finally! https://superuser.com/a/714195
-sshtojwk.fingerprint(ssh).then(function (fingerprint) {
-  console.warn('The key fingerprint is:\n' + fingerprint + ' ' + ssh.comment);
-  console.info(JSON.stringify(ssh.jwk, null, 2));
-});

fixtures/privkey-ec-p256.jwk.json

@@ -1,7 +0,0 @@
-{
-  "kty": "EC",
-  "crv": "P-256",
-  "d": "iYydo27aNGO9DBUWeGEPD8oNi1LZDqfxPmQlieLBjVQ",
-  "x": "IT1SWLxsacPiE5Z16jkopAn8_-85rMjgyCokrnjDft4",
-  "y": "mP2JwOAOdMmXuwpxbKng3KZz27mz-nKWIlXJ3rzSGMo"
-}

fixtures/privkey-ec-p256.openssh.pem

@@ -1,9 +0,0 @@
------BEGIN OPENSSH PRIVATE KEY-----
-b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAaAAAABNlY2RzYS
-1zaGEyLW5pc3RwMjU2AAAACG5pc3RwMjU2AAAAQQQhPVJYvGxpw+ITlnXqOSikCfz/7zms
-yODIKiSueMN+3pj9icDgDnTJl7sKcWyp4Nymc9u5s/pyliJVyd680hjKAAAAqGJjanNiY2
-pzAAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBCE9Uli8bGnD4hOW
-deo5KKQJ/P/vOazI4MgqJK54w37emP2JwOAOdMmXuwpxbKng3KZz27mz+nKWIlXJ3rzSGM
-oAAAAhAImMnaNu2jRjvQwVFnhhDw/KDYtS2Q6n8T5kJYniwY1UAAAADnJvb3RAbG9jYWxo
-b3N0AQ==
------END OPENSSH PRIVATE KEY-----

fixtures/privkey-ec-p384.jwk.json

@@ -1,7 +0,0 @@
-{
-  "kty": "EC",
-  "crv": "P-384",
-  "d": "XlyuCEWSTTS8U79O_Mz05z18vh4kb10szvu_7pdXuGWV6lfEyPExyUYWsA6A2kdV",
-  "x": "2zEU0bKCa7ejKLIJ8oPGnLhqhxyiv4_w38K2a0SPC6dsSd9_glNJ8lcqv0sff5Gb",
-  "y": "VD4jnu83S6scn6_TeAj3EZOREGbOs6dzoVpaugn-XQMMyC9O4VLbDDFGBZTJlMsb"
-}

fixtures/privkey-ec-p384.openssh.pem

@@ -1,10 +0,0 @@
------BEGIN OPENSSH PRIVATE KEY-----
-b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAiAAAABNlY2RzYS
-1zaGEyLW5pc3RwMzg0AAAACG5pc3RwMzg0AAAAYQTbMRTRsoJrt6Mosgnyg8acuGqHHKK/
-j/DfwrZrRI8Lp2xJ33+CU0nyVyq/Sx9/kZtUPiOe7zdLqxyfr9N4CPcRk5EQZs6zp3OhWl
-q6Cf5dAwzIL07hUtsMMUYFlMmUyxsAAADYYmNqc2JjanMAAAATZWNkc2Etc2hhMi1uaXN0
-cDM4NAAAAAhuaXN0cDM4NAAAAGEE2zEU0bKCa7ejKLIJ8oPGnLhqhxyiv4/w38K2a0SPC6
-dsSd9/glNJ8lcqv0sff5GbVD4jnu83S6scn6/TeAj3EZOREGbOs6dzoVpaugn+XQMMyC9O
-4VLbDDFGBZTJlMsbAAAAMF5crghFkk00vFO/TvzM9Oc9fL4eJG9dLM77v+6XV7hllepXxM
-jxMclGFrAOgNpHVQAAAA5yb290QGxvY2FsaG9zdAEC
------END OPENSSH PRIVATE KEY-----

fixtures/privkey-rsa-2048.jwk.json

@@ -1,11 +0,0 @@
-{
-  "kty": "RSA",
-  "n": "m2ttVBxPlWw06ZmGBWVDlfjkPAJ4DgnY0TrDwtCohHzLxGhDNzUJefLukC-xu0LBKylYojT5vTkxaOhxeSYo31syu4WhxbkTBLICOFcCGMob6pSQ38P8LdAIlb0pqDHxEJ9adWomjuFf0SUhN1cP7s9m8Yk9trkpEqjskocn2BOnTB57qAZM6-I70on0_iDZm7-jcqOPgADAmbWHhy67BXkk4yy_YzD4yOGZFXZcNp915_TW5bRd__AKPHUHxJasPiyEFqlNKBR2DSD-LbX5eTmzCh2ikrwTMja7mUdBJf2bK3By5AB0Qi49OykUCfNZeQlEz7UNNj9RGps_50-CNw",
-  "e": "AQAB",
-  "d": "Cpfo7Mm9Nu8YMC_xrZ54W9mKHPkCG9rZ93Ds9PNp-RXUgb-ljTbFPZWsYxGNKLllFz8LNosr1pT2ZDMrwNk0Af1iWNvD6gkyXaiQdCyiDPSBsJyNv2LJZon-e85X74nv53UlIkmo9SYxdLz2JaJ-iIWEe8Qh-7llLktrTJV_xr98_tbhgSppz_IeOymq3SEZaQHM8pTU7w7XvCj2pb9r8fN0M0XcgWZIaf3LGEfkhF_WtX67XJ0C6-LbkT51jtlLRNGX6haGdscXS0OWWjKOJzKGuV-NbthEn5rmRtVnjRZ3yaxQ0ud8vC-NONn7yvGUlOur1IdDzJ_YfHPt9sHMQQ",
-  "p": "ynG-t9HwKCN3MWRYFdnFzi9-02Qcy3p8B5pu3ary2E70hYn2pHlUG2a9BNE8c5xHQ3Hx43WoWf6s0zOunPV1G28LkU_UYEbAtPv_PxSmzpQp9n9XnYvBLBF8Y3z7gxgLn1vVFNARrQdRtj87qY3aw7E9S4DsGcAarIuOT2TsTCE",
-  "q": "xIkAjgUzB1zaUzJtW2Zgvp9cYYr1DmpH30ePZl3c_8397_DZDDo46fnFYjs6uPa03HpmKUnbjwr14QHlfXlntJBEuXxcqLjkdKdJ4ob7xueLTK4suo9V8LSrkLChVxlZQwnFD2E5ll0sVeeDeMJHQw38ahSrBFEVnxjpnPh1Q1c",
-  "dp": "tzDGjECFOU0ehqtuqhcuT63a7h8hj19-7MJqoFwY9HQ-ALkfXyYLXeBSGxHbyiIYuodZg6LsfMNgUJ3r3Eyhc_nAVfYPEC_2IdAG4WYmq7iXYF9LQV09qEsKbFykm7QekE3hO7wswo5k-q2tp3ieBYdVGAXJoGOdv5VpaZ7B1QE",
-  "dq": "kh5dyDk7YCz7sUFbpsmuAeuPjoH2ghooh2u3xN7iUVmAg-ToKjwbVnG5-7eXiC779rQVwnrD_0yh1AFJ8wjRPqDIR7ObXGHikIxT1VSQWqiJm6AfZzDsL0LUD4YS3iPdhob7-NxLKWzqao_u4lhnDQaX9PKa12HFlny6K1daL48",
-  "qi": "AlHWbx1gp6Z9pbw_1hlS7HuXAgWoX7IjbTUelldf4gkriDWLOrj3QCZcO4ZvZvEwJhVlsny9LO8IkbwGJEL6cXraK08ByVS2mwQyflgTgGNnpzixyEUL_mrQLx6y145FHcxfeqNInMhep-0Mxn1D5nlhmIOgRApS0t9VoXtHhFU"
-}

fixtures/privkey-rsa-2048.openssh.pem

@@ -1,27 +0,0 @@
------BEGIN OPENSSH PRIVATE KEY-----
-b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAABFwAAAAdzc2gtcn
-NhAAAAAwEAAQAAAQEAm2ttVBxPlWw06ZmGBWVDlfjkPAJ4DgnY0TrDwtCohHzLxGhDNzUJ
-efLukC+xu0LBKylYojT5vTkxaOhxeSYo31syu4WhxbkTBLICOFcCGMob6pSQ38P8LdAIlb
-0pqDHxEJ9adWomjuFf0SUhN1cP7s9m8Yk9trkpEqjskocn2BOnTB57qAZM6+I70on0/iDZ
-m7+jcqOPgADAmbWHhy67BXkk4yy/YzD4yOGZFXZcNp915/TW5bRd//AKPHUHxJasPiyEFq
-lNKBR2DSD+LbX5eTmzCh2ikrwTMja7mUdBJf2bK3By5AB0Qi49OykUCfNZeQlEz7UNNj9R
-Gps/50+CNwAAA8hiY2pzYmNqcwAAAAdzc2gtcnNhAAABAQCba21UHE+VbDTpmYYFZUOV+O
-Q8AngOCdjROsPC0KiEfMvEaEM3NQl58u6QL7G7QsErKViiNPm9OTFo6HF5JijfWzK7haHF
-uRMEsgI4VwIYyhvqlJDfw/wt0AiVvSmoMfEQn1p1aiaO4V/RJSE3Vw/uz2bxiT22uSkSqO
-yShyfYE6dMHnuoBkzr4jvSifT+INmbv6Nyo4+AAMCZtYeHLrsFeSTjLL9jMPjI4ZkVdlw2
-n3Xn9NbltF3/8Ao8dQfElqw+LIQWqU0oFHYNIP4ttfl5ObMKHaKSvBMyNruZR0El/ZsrcH
-LkAHRCLj07KRQJ81l5CUTPtQ02P1Eamz/nT4I3AAAAAwEAAQAAAQAKl+jsyb027xgwL/Gt
-nnhb2Yoc+QIb2tn3cOz082n5FdSBv6WNNsU9laxjEY0ouWUXPws2iyvWlPZkMyvA2TQB/W
-JY28PqCTJdqJB0LKIM9IGwnI2/Yslmif57zlfvie/ndSUiSaj1JjF0vPYlon6IhYR7xCH7
-uWUuS2tMlX/Gv3z+1uGBKmnP8h47KardIRlpAczylNTvDte8KPalv2vx83QzRdyBZkhp/c
-sYR+SEX9a1frtcnQLr4tuRPnWO2UtE0ZfqFoZ2xxdLQ5ZaMo4nMoa5X41u2ESfmuZG1WeN
-FnfJrFDS53y8L4042fvK8ZSU66vUh0PMn9h8c+32wcxBAAAAgAJR1m8dYKemfaW8P9YZUu
-x7lwIFqF+yI201HpZXX+IJK4g1izq490AmXDuGb2bxMCYVZbJ8vSzvCJG8BiRC+nF62itP
-AclUtpsEMn5YE4BjZ6c4schFC/5q0C8esteORR3MX3qjSJzIXqftDMZ9Q+Z5YZiDoEQKUt
-LfVaF7R4RVAAAAgQDKcb630fAoI3cxZFgV2cXOL37TZBzLenwHmm7dqvLYTvSFifakeVQb
-Zr0E0TxznEdDcfHjdahZ/qzTM66c9XUbbwuRT9RgRsC0+/8/FKbOlCn2f1edi8EsEXxjfP
-uDGAufW9UU0BGtB1G2PzupjdrDsT1LgOwZwBqsi45PZOxMIQAAAIEAxIkAjgUzB1zaUzJt
-W2Zgvp9cYYr1DmpH30ePZl3c/8397/DZDDo46fnFYjs6uPa03HpmKUnbjwr14QHlfXlntJ
-BEuXxcqLjkdKdJ4ob7xueLTK4suo9V8LSrkLChVxlZQwnFD2E5ll0sVeeDeMJHQw38ahSr
-BFEVnxjpnPh1Q1cAAAAOcm9vdEBsb2NhbGhvc3QBAgMEBQ==
------END OPENSSH PRIVATE KEY-----

fixtures/pub-ec-p256.ssh.pub

@@ -1 +0,0 @@
-ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBH1Zk94FK+LGSGNA6H3IJdeUTHkI30zKH3gIknWuKB/zr3eBz3QeZqEhHmgwYfCWoyhLuQqtHD7gqnGqwXssa/E= aj@bowie.local

fixtures/pub-ec-p384.ssh.pub

@@ -1 +0,0 @@
-ecdsa-sha2-nistp384 AAAAE2VjZHNhLXNoYTItbmlzdHAzODQAAAAIbmlzdHAzODQAAABhBMM1wvONZSobkf6CtT9n5E06y+ofhXmpTVSWRTOpMiZi+bsKViBi1eptF4LMufUT4M5DDU3V/kT9iM8124uWSWwS/ernmTsENNOI2TlzXkKkJshXh5Z4tFIVIkEZAeW/6w== aj@bowie.local

fixtures/pub-rsa-2048.ssh.pub

@@ -1 +0,0 @@
-ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDTNGUXvKQQ2sbdXdILzeI7u60ziBDHqCbrYxUkdro0LA8SqimkQexHKd9SBVvrxNm3l1LsCRmeIgrxlhwuptsygK80rRX5Jit2DCRP62tyMBIEIqLxAksMEW1z6M3XIdIj2jWkL6ei6Qver03JWt4TfxZG94axSPxPaHYf6Psb+lZnMfYrWXtVD9hJA6vQjKNqmpUo1I2dWq6e6F3Oepejfu9Cz1yMnEsNJG3COubJSXUkEdsJYSrW3wfUnMPBrlnjs8uP4NBTik+5SHmpb+pU3+2DjgC4tsnTIkiusaLIp/qJmS+X18pFzRCMy2jfX1QeHMPsXnBSvdfyIdZfIVs5 aj@bowie.local

lib/encoding.js

@@ -10,20 +10,6 @@ Enc.base64ToBuf = function (str) {
   return Buffer.from(str, 'base64');
 };
 
-Enc.base64ToHex = function (str) {
-  return Buffer.from(str, 'base64').toString('hex');
-};
-
-Enc.base64ToUrlBase64 = function (b64) {
-  return b64.replace(/\+/g, '-').replace(/\//g, '_').replace(/=/g, '');
-};
-
-Enc.bnToUrlBase64 = function (bn) {
-  var hex = bn.toString(16);
-  if (hex.length % 2) { hex = '0' + hex; }
-  return Enc.base64ToUrlBase64(Buffer.from(hex, 'hex').toString('base64'));
-};
-
 Enc.bufToBase64 = function (u8) {
   return Buffer.from(u8).toString('base64');
 };
@@ -37,5 +23,6 @@ Enc.bufToHex = function (u8) {
 };
 
 Enc.bufToUrlBase64 = function (u8) {
-  return Enc.base64ToUrlBase64(Enc.bufToBase64(u8));
+  return Enc.bufToBase64(u8)
+    .replace(/\+/g, '-').replace(/\//g, '_').replace(/=/g, '');
 };

lib/pem.js

@@ -1,28 +0,0 @@
-'use strict';
-
-var PEM = module.exports;
-var Enc = require('./encoding.js');
-
-PEM.parseBlock = function pemToDer(pem) {
-  var lines = pem.trim().split(/\n/);
-  var end = lines.length - 1;
-  var head = lines[0].match(/-----BEGIN (.*)-----/);
-  var foot = lines[end].match(/-----END (.*)-----/);
-
-  if (head) {
-    lines = lines.slice(1, end);
-    head = head[1];
-    if (head !== foot[1]) {
-      throw new Error("headers and footers do not match");
-    }
-  }
-
-  return { type: head, bytes: Enc.base64ToBuf(lines.join('')) };
-};
-
-PEM.packBlock = function (opts) {
-  return '-----BEGIN ' + opts.type + '-----\n'
-    + Enc.bufToBase64(opts.bytes).match(/.{1,64}/g).join('\n') + '\n'
-    + '-----END ' + opts.type + '-----'
-  ;
-};

lib/ssh-parser.js

@@ -1,126 +1,57 @@
 'use strict';
 
-/*global BigInt*/
 var SSH = module.exports;
 var Enc = require('./encoding.js');
-var PEM = require('./pem.js');
-var bnwarn = false;
 
-SSH.parse = function (opts) {
+SSH.parse = function (ssh) {
-  var pub = opts.pem || opts.pub || opts;
-  var ssh = SSH.parseBlock(pub);
-  if ('OPENSSH PRIVATE KEY' === ssh.type) {
-    ssh = SSH.parsePrivateElements(ssh);
-    if (7 === ssh.elements.length) {
-      // RSA Private Keys have the `e` and `n` swapped (which is actually more normal)
-      // but we have to reswap them to make them consistent with the public key format
-      ssh.elements.splice(1, 0, ssh.elements.splice(2 ,1)[0]);
-    }
-    if (opts.public) {
-      ssh.elements = ssh.elements.slice(0, 3);
-    }
-  } else {
-    ssh.elements = SSH.parseElements(ssh.bytes);
-  }
-
-  //delete ssh.bytes;
-  return SSH.parsePublicKey(ssh);
-};
-
-/*global Promise*/
-SSH.fingerprint = function (opts) {
-  var ssh;
-  if (opts.bytes) {
-    ssh = opts;
-  } else {
-    ssh = SSH.parseBlock(opts.pub);
-  }
-  // for browser compat
-  return Promise.resolve().then(function () {
-    return 'SHA256:' + require('crypto').createHash('sha256')
-      .update(ssh.bytes).digest('base64').replace(/=+$/g, '');
-  });
-};
-
-SSH.parseBlock = function (ssh) {
-  if (/^-----BEGIN OPENSSH PRIVATE KEY-----/.test(ssh)) {
-    return PEM.parseBlock(ssh);
-  }
   ssh = ssh.split(/\s+/g);
 
-  return {
+  var result = { type: ssh[0], jwk: null, comment: ssh[2] || '' };
-    type: ssh[0]
+  var buf = Enc.base64ToBuf(ssh[1]);
-  , bytes: Enc.base64ToBuf(ssh[1])
+  var els = SSH.parseElements({ bytes: buf }).elements;
-  , comment: ssh[2]
+  var typ = Enc.bufToBin(els[0]);
-  };
+  var len;
+
+  // RSA keys are all the same
+  if (SSH.types.rsa === typ) {
+    result.jwk = {
+      kty: 'RSA'
+    , n: Enc.bufToUrlBase64(els[2])
+    , e: Enc.bufToUrlBase64(els[1])
+    };
+    return result;
+  }
+
+  // EC keys are each different
+  if (SSH.types.p256 === typ) {
+    len = 32;
+    result.jwk = { kty: 'EC', crv: 'P-256' };
+  } else if (SSH.types.p384 === typ) {
+    len = 48;
+    result.jwk = { kty: 'EC', crv: 'P-384' };
+  } else {
+    throw new Error("Unsupported ssh public key type: "
+      + Enc.bufToBin(els[0]));
+  }
+
+  // els[1] is just a repeat of a subset of els[0]
+  var x = els[2].slice(1, 1 + len);
+  var y = els[2].slice(1 + len, 1 + len + len);
+
+  // I don't think EC keys use 0x00 padding, but just in case
+  while (0x00 === x[0]) { x = x.slice(1); }
+  while (0x00 === y[0]) { y = y.slice(1); }
+
+  result.jwk.x = Enc.bufToUrlBase64(x);
+  result.jwk.y = Enc.bufToUrlBase64(y);
+
+  return result;
 };
 
-SSH.parsePrivateElements = function (ssh) {
+SSH.parseElements = function (ssh) {
-  // https://coolaj86.com/articles/the-openssh-private-key-format/
   var buf = ssh.bytes;
   var fulllen = buf.byteLength || buf.length;
   var offset = (buf.byteOffset || 0);
-  var dv = new DataView(buf.buffer.slice(offset, offset + fulllen));
-  var index = 0;
-  var padlen = 0;
-  var len;
-  var pub;
-
-  // The last byte will be either
-  //   * a non-printable pad character
-  //   * a printable comment character
-  function lastByteIsPad() {
-    var n = ssh.bytes[(ssh.bytes.bytesLength || ssh.bytes.length) - 1];
-    return n >= 0x01 && n <= 0x07;
-  }
-  while (lastByteIsPad()) {
-    padlen += 1;
-    len = (ssh.bytes.bytesLength || ssh.bytes.length);
-    ssh.bytes = ssh.bytes.slice(0, len - 1);
-  }
-
-  //  o  p  e  n  s  s  h  -  k  e  y  -  v  1  NULL
-  // 6f 70 65 6e 73 73 68 2d 6b 65 79 2d 76 31 00
-  // 15 characters
-  // 4-byte len, "none" (encryption)
-  // 4-byte len, "none" (kdfname)
-  if ('none' !== Enc.bufToBin(ssh.bytes.slice(15 + 8 + 4, 15 + 8 + 8))) {
-    throw new Error("Key is either encrypted (not yet supported), corrupt, or not openssh-key-v1");
-  }
-  if (padlen >= 8) {
-    throw new Error("Padding length should be between 0 and 7, not '" + padlen + "'."
-      + " Probably not an ssh private key.");
-  }
-  // 4-byte len, nil (kdf)
-  // 4-byte number of keys
-  index += 15 + 8 + 8 + 4 + 4;
-
-  // length of public key
-  len = dv.getUint32(index, false);
-  // throw away public key (it's in the private key)
-  index += 4 + len;
-  pub = ssh.bytes.slice(index - len, index);
-
-  // length of dummy checksum + private key + padding
-  len = dv.getUint32(index, false) - padlen;
-  // throw away dummy checksum
-  index += 4 + 8;
-
-  ssh.elements = SSH.parseElements(ssh.bytes.slice(index, index + (len - 8)));
-  index += Array.prototype.reduce.call(ssh.elements, function (el, sum) {
-    // 32-bit len + element len
-    return 4 + (el.byteLength || el.length) + sum;
-  }, 0);
-
-  // comment will exist, even if it's an empty string
-  ssh.comment = Enc.bufToBin(ssh.elements.pop());
-  ssh.bytes = pub;
-  return ssh;
-};
-SSH.parseElements = function (buf) {
-  var fulllen = buf.byteLength || buf.length;
-  // Note: node has weird offsets
-  var offset = (buf.byteOffset || 0);
   var i = 0;
   var index = 0;
   // using dataview to be browser-compatible (I do want _some_ code reuse)
@@ -134,7 +65,6 @@ SSH.parseElements = function (buf) {
     if (i > 15) { throw new Error("15+ elements, probably not a public ssh key"); }
     len = dv.getUint32(index, false);
     index += 4;
-    if (0 === len) { continue; }
     el = buf.slice(index, index + len);
     // remove BigUInt '00' prefix
     if (0x00 === el[0]) {
@@ -144,90 +74,12 @@ SSH.parseElements = function (buf) {
     index += len;
   }
   if (fulllen !== index) {
-    throw new Error("invalid ssh public key length \n" + els.map(function (b) {
+    throw new Error(els.map(function (b) {
       return Enc.bufToHex(b);
-    }).join('\n'));
+    }).join('\n') + "invalid ssh public key length");
   }
 
-  return els;
+  ssh.elements = els;
-};
-
-SSH.parsePublicKey = function (ssh) {
-  var els = ssh.elements;
-  var typ = Enc.bufToBin(els[0]);
-  var len;
-
-  // RSA keys are all the same
-  if (SSH.types.rsa === typ) {
-    if (3 === els.length) {
-      ssh.jwk = {
-        kty: 'RSA'
-      , n: Enc.bufToUrlBase64(els[2])
-      , e: Enc.bufToUrlBase64(els[1])
-      };
-    } else {
-      ssh.jwk = {
-        kty: 'RSA'
-      , n: Enc.bufToUrlBase64(els[2])
-      , e: Enc.bufToUrlBase64(els[1])
-      , d: Enc.bufToUrlBase64(els[3])
-      , p: Enc.bufToUrlBase64(els[5])
-      , q: Enc.bufToUrlBase64(els[6])
-      , dp: 0
-      , dq: 0
-      , qi: Enc.bufToUrlBase64(els[4])
-      };
-      if ('undefined' !== typeof BigInt) {
-        // BigInt doesn't use new
-        /*jshint newcap: false*/
-        // d mod (p - 1)
-        ssh.jwk.dp = Enc.bnToUrlBase64(BigInt('0x' + Enc.base64ToHex(ssh.jwk.d))
-          % (BigInt('0x' + Enc.base64ToHex(ssh.jwk.p)) - BigInt(1)));
-        ssh.jwk.dq = Enc.bnToUrlBase64(BigInt('0x' + Enc.base64ToHex(ssh.jwk.d))
-          % (BigInt('0x' + Enc.base64ToHex(ssh.jwk.q)) - BigInt(1)));
-      } else {
-        if (!bnwarn) {
-          bnwarn = true;
-          // TODO maybe conditionally bring in BigInt polyfill?
-          console.warn("ssh-to-jwk.js: Your version of node is outdated doesn't support BigInt");
-          console.log("JWKs will be missing `dp` and `dq` values. Update or use a BigInt polyfill.");
-        }
-        delete ssh.jwk.dp;
-        delete ssh.jwk.dq;
-      }
-    }
-    return ssh;
-  }
-
-  // EC keys are each different
-  if (SSH.types.p256 === typ) {
-    len = 32;
-    ssh.jwk = { kty: 'EC', crv: 'P-256' };
-  } else if (SSH.types.p384 === typ) {
-    len = 48;
-    ssh.jwk = { kty: 'EC', crv: 'P-384' };
-  } else {
-    throw new Error("Unsupported ssh public key type: "
-      + Enc.bufToBin(els[0]));
-  }
-
-  // els[1] is just a repeat of a subset of els[0]
-  var x = els[2].slice(1, 1 + len);
-  var y = els[2].slice(1 + len, 1 + len + len);
-  var d;
-
-  // I don't think EC keys use 0x00 padding, but just in case
-  while (0x00 === x[0]) { x = x.slice(1); }
-  while (0x00 === y[0]) { y = y.slice(1); }
-
-  if (els[3]) {
-    d = els[3];
-    while (0x00 === d[0]) { d = d.slice(1); }
-    ssh.jwk.d = Enc.bufToUrlBase64(d);
-  }
-  ssh.jwk.x = Enc.bufToUrlBase64(x);
-  ssh.jwk.y = Enc.bufToUrlBase64(y);
-
   return ssh;
 };
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ssh-to-jwk",
-  "version": "1.2.6",
+  "version": "1.0.2",
   "description": "💯 SSH to JWK in a lightweight, zero-dependency library.",
   "homepage": "https://git.coolaj86.com/coolaj86/ssh-to-jwk.js",
   "main": "index.js",
@@ -29,8 +29,6 @@
     "RSA",
     "EC",
     "SSH",
-    "OpenSSH",
-    "fingerprint",
     "JWK",
     "ECDSA"
   ],