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bluecrypt-keypairs.js
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working der and pem generation #2

Merged
coolaj86 merged 7 commits from lastlink/bluecrypt-keypairs.js:master into master 2019-04-27 05:33:09 +00:00
Conversation 0 Commits 7 Files Changed 7 +310 -69
7 changed files with 310 additions and 69 deletions
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142
app.js
View File

@ -1,68 +1,98 @@
(function () {
'use strict';
'use strict';
var Keypairs = window.Keypairs;
var Keypairs = window.Keypairs;
function $(sel) {
return document.querySelector(sel);
}
function $$(sel) {
return Array.prototype.slice.call(document.querySelectorAll(sel));
}
function $(sel) {
return document.querySelector(sel);
}
function $$(sel) {
return Array.prototype.slice.call(document.querySelectorAll(sel));
}
function run() {
console.log('hello');
function run() {
console.log('hello');
// Show different options for ECDSA vs RSA
$$('input[name="kty"]').forEach(function ($el) {
$el.addEventListener('change', function (ev) {
console.log(this);
console.log(ev);
if ("RSA" === ev.target.value) {
$('.js-rsa-opts').hidden = false;
$('.js-ec-opts').hidden = true;
} else {
$('.js-rsa-opts').hidden = true;
$('.js-ec-opts').hidden = false;
}
// Show different options for ECDSA vs RSA
$$('input[name="kty"]').forEach(function ($el) {
$el.addEventListener('change', function (ev) {
console.log(this);
console.log(ev);
if ("RSA" === ev.target.value) {
$('.js-rsa-opts').hidden = false;
$('.js-ec-opts').hidden = true;
} else {
$('.js-rsa-opts').hidden = true;
$('.js-ec-opts').hidden = false;
}
});
});
});
// Generate a key on submit
$('form.js-keygen').addEventListener('submit', function (ev) {
ev.preventDefault();
ev.stopPropagation();
$('.js-loading').hidden = false;
$('.js-jwk').hidden = true;
$$('input').map(function ($el) { $el.disabled = true; });
$$('button').map(function ($el) { $el.disabled = true; });
var opts = {
kty: $('input[name="kty"]:checked').value
, namedCurve: $('input[name="ec-crv"]:checked').value
, modulusLength: $('input[name="rsa-len"]:checked').value
};
console.log('opts', opts);
Keypairs.generate(opts).then(function (results) {
$('.js-jwk').innerText = JSON.stringify(results, null, 2);
//
$('.js-loading').hidden = true;
$('.js-jwk').hidden = false;
$$('input').map(function ($el) { $el.disabled = false; });
$$('button').map(function ($el) { $el.disabled = false; });
$('.js-toc-jwk').hidden = false;
// Generate a key on submit
$('form.js-keygen').addEventListener('submit', function (ev) {
ev.preventDefault();
ev.stopPropagation();
$('.js-loading').hidden = false;
$('.js-jwk').hidden = true;
$('.js-toc-der-public').hidden = true;
$('.js-toc-pem-public').hidden = true;
$('.js-toc-der-private').hidden = true;
$('.js-toc-pem-private').hidden = true;
$$('input').map(function ($el) { $el.disabled = true; });
$$('button').map(function ($el) { $el.disabled = true; });
var opts = {
kty: $('input[name="kty"]:checked').value
, namedCurve: $('input[name="ec-crv"]:checked').value
, modulusLength: $('input[name="rsa-len"]:checked').value
};
console.log('opts', opts);
Keypairs.generate(opts).then(function (results) {
var der_public, der_private;
if (opts.kty == 'EC') {
der_public = x509.packSpki(results.public);
der_private = x509.packPkcs8(results.private);
var pem_private = Eckles.export({ jwk: results.private })
var pem_public = Eckles.export({ jwk: results.public, public: true })
$('.js-input-pem-public').innerText = pem_public;
$('.js-toc-pem-public').hidden = false;
$('.js-input-pem-private').innerText = pem_private;
$('.js-toc-pem-private').hidden = false;
} else {
der_private = x509.packPkcs8(results.private);
der_public = x509.packPkcs8(results.public);
Rasha.pack({ jwk: results.private }).then(function (pem) {
$('.js-input-pem-private').innerText = pem;
$('.js-toc-pem-private').hidden = false;
})
Rasha.pack({ jwk: results.public }).then(function (pem) {
$('.js-input-pem-public').innerText = pem;
$('.js-toc-pem-public').hidden = false;
})
}
$('.js-der-public').innerText = der_public;
$('.js-toc-der-public').hidden = false;
$('.js-der-private').innerText = der_private;
$('.js-toc-der-private').hidden = false;
$('.js-jwk').innerText = JSON.stringify(results, null, 2);
$('.js-loading').hidden = true;
$('.js-jwk').hidden = false;
$$('input').map(function ($el) { $el.disabled = false; });
$$('button').map(function ($el) { $el.disabled = false; });
$('.js-toc-jwk').hidden = false;
});
});
});
$('form.js-acme-account').addEventListener('submit', function (ev) {
ev.preventDefault();
ev.stopPropagation();
$('.js-loading').hidden = false;
ACME.accounts.create
});
$('form.js-acme-account').addEventListener('submit', function (ev) {
ev.preventDefault();
ev.stopPropagation();
$('.js-loading').hidden = false;
ACME.accounts.create
});
$('.js-generate').hidden = false;
$('.js-create-account').hidden = false;
}
$('.js-generate').hidden = false;
$('.js-create-account').hidden = false;
}
window.addEventListener('load', run);
window.addEventListener('load', run);
}());

34
index.html
View File

@ -1,6 +1,20 @@
<html>
<head>
<title>BlueCrypt</title>
<style>
textarea {
width: 42em;
height: 10em;
}
/* need to word wrap the binary no space der */
.js-der-public, .js-der-private{
white-space: pre-wrap; /* CSS3 */
white-space: -moz-pre-wrap; /* Firefox */
white-space: -pre-wrap; /* Opera <7 */
white-space: -o-pre-wrap; /* Opera 7 */
word-wrap: break-word; /* IE */
}
</style>
</head>
<body>
<h1>BlueCrypt for the Browser</h1>
@ -58,6 +72,22 @@
<summary>JWK Keypair</summary>
<pre><code class="js-jwk">&nbsp;</code></pre>
</details>
<details class="js-toc-der-private" hidden>
<summary>DER Private Binary</summary>
<pre><code class="js-der-private">&nbsp;</code></pre>
</details>
<details class="js-toc-der-public" hidden>
<summary>DER Public Binary</summary>
<pre><code class="js-der-public">&nbsp;</code></pre>
</details>
<details class="js-toc-pem-private" hidden>
<summary>PEM Private (base64-encoded DER)</summary>
<pre><code class="js-input-pem-private" ></code></pre>
</details>
<details class="js-toc-pem-public" hidden>
<summary>PEM Public (base64-encoded DER)</summary>
<pre><code class="js-input-pem-public" ></code></pre>
</details>
<details class="js-toc-acme-account-request" hidden>
<summary>ACME Account Request</summary>
<pre><code class="js-acme-account-request">&nbsp;</code></pre>
@ -66,8 +96,10 @@
<summary>ACME Account Response</summary>
<pre><code class="js-acme-account-response">&nbsp;</code></pre>
</details>
<script src="./lib/bluecrypt-encoding.js"></script>
<script src="./lib/ecdsa.js"></script>
<script src="./lib/asn1-packer.js"></script>
<script src="./lib/x509.js"></script>
<script src="./lib/rsa.js"></script>
<script src="./lib/keypairs.js"></script>
<script src="./lib/acme.js"></script>

2
lib/bluecrypt-encoding.js
View File

@ -1,6 +1,6 @@
(function (exports) {
var Enc = exports.BluecryptEncoding = {};
var Enc = exports.Enc = {};
Enc.bufToBin = function (buf) {
var bin = '';

55
lib/ecdsa.js
View File

@ -32,7 +32,7 @@ EC.generate = function (opts) {
+ " Please choose either 'P-256' or 'P-384'. "
+ EC._stance));
}
var extractable = true;
return window.crypto.subtle.generateKey(
wcOpts
@ -51,6 +51,59 @@ EC.generate = function (opts) {
});
};
EC.export = function (opts) {
if (!opts || !opts.jwk || 'object' !== typeof opts.jwk) {
throw new Error("must pass { jwk: jwk } as a JSON object");
}
var jwk = JSON.parse(JSON.stringify(opts.jwk));
var format = opts.format;
if (opts.public || -1 !== [ 'spki', 'pkix', 'ssh', 'rfc4716' ].indexOf(format)) {
jwk.d = null;
}
if ('EC' !== jwk.kty) {
throw new Error("options.jwk.kty must be 'EC' for EC keys");
}
if (!jwk.d) {
if (!format || -1 !== [ 'spki', 'pkix' ].indexOf(format)) {
format = 'spki';
} else if (-1 !== [ 'ssh', 'rfc4716' ].indexOf(format)) {
format = 'ssh';
} else {
throw new Error("options.format must be 'spki' or 'ssh' for public EC keys, not ("
+ typeof format + ") " + format);
}
} else {
if (!format || 'sec1' === format) {
format = 'sec1';
} else if ('pkcs8' !== format) {
throw new Error("options.format must be 'sec1' or 'pkcs8' for private EC keys, not '" + format + "'");
}
}
if (-1 === [ 'P-256', 'P-384' ].indexOf(jwk.crv)) {
throw new Error("options.jwk.crv must be either P-256 or P-384 for EC keys, not '" + jwk.crv + "'");
}
if (!jwk.y) {
throw new Error("options.jwk.y must be a urlsafe base64-encoded either P-256 or P-384");
}
if ('sec1' === format) {
return PEM.packBlock({ type: "EC PRIVATE KEY", bytes: x509.packSec1(jwk) });
} else if ('pkcs8' === format) {
return PEM.packBlock({ type: "PRIVATE KEY", bytes: x509.packPkcs8(jwk) });
} else if (-1 !== [ 'spki', 'pkix' ].indexOf(format)) {
return PEM.packBlock({ type: "PUBLIC KEY", bytes: x509.packSpki(jwk) });
} else if (-1 !== [ 'ssh', 'rfc4716' ].indexOf(format)) {
return SSH.packSsh(jwk);
} else {
throw new Error("Sanity Error: reached unreachable code block with format: " + format);
}
};
EC.pack = function (opts) {
return Promise.resolve().then(function () {
return EC.exportSync(opts);
});
};
// Chopping off the private parts is now part of the public API.
// I thought it sounded a little too crude at first, but it really is the best name in every possible way.
EC.neuter = function (opts) {

14
lib/keypairs.js
View File

@ -3,8 +3,8 @@
'use strict';
var Keypairs = exports.Keypairs = {};
var Rasha = exports.Rasha || require('rasha');
var Eckles = exports.Eckles || require('eckles');
var Rasha = exports.Rasha;
var Eckles = exports.Eckles;
var Enc = exports.Enc || {};
Keypairs._stance = "We take the stance that if you're knowledgeable enough to"
@ -34,10 +34,12 @@ Keypairs.generate = function (opts) {
};
// Chopping off the private parts is now part of the public API.
// I thought it sounded a little too crude at first, but it really is the best name in every possible way.
/**
* Chopping off the private parts is now part of the public API.
* I thought it sounded a little too crude at first, but it really is the best name in every possible way.
*/
Keypairs.neuter = Keypairs._neuter = function (opts) {
// trying to find the best balance of an immutable copy with custom attributes
/** trying to find the best balance of an immutable copy with custom attributes */
var jwk = {};
Object.keys(opts.jwk).forEach(function (k) {
if ('undefined' === typeof opts.jwk[k]) { return; }
@ -61,7 +63,7 @@ Keypairs.thumbprint = function (opts) {
Keypairs.publish = function (opts) {
if ('object' !== typeof opts.jwk || !opts.jwk.kty) { throw new Error("invalid jwk: " + JSON.stringify(opts.jwk)); }
// returns a copy
/** returns a copy */
var jwk = Keypairs.neuter(opts);
if (jwk.exp) {

61
lib/rsa.js
View File

@ -3,6 +3,7 @@
'use strict';
var RSA = exports.Rasha = {};
var x509 = exports.x509;
if ('undefined' !== typeof module) { module.exports = RSA; }
var Enc = {};
var textEncoder = new TextEncoder();
@ -106,6 +107,66 @@ RSA.thumbprint = function (opts) {
});
};
RSA.export = function (opts) {
if (!opts || !opts.jwk || 'object' !== typeof opts.jwk) {
throw new Error("must pass { jwk: jwk }");
}
var jwk = JSON.parse(JSON.stringify(opts.jwk));
var format = opts.format;
var pub = opts.public;
if (pub || -1 !== [ 'spki', 'pkix', 'ssh', 'rfc4716' ].indexOf(format)) {
jwk = RSA.nueter(jwk);
}
if ('RSA' !== jwk.kty) {
throw new Error("options.jwk.kty must be 'RSA' for RSA keys");
}
if (!jwk.p) {
// TODO test for n and e
pub = true;
if (!format || 'pkcs1' === format) {
format = 'pkcs1';
} else if (-1 !== [ 'spki', 'pkix' ].indexOf(format)) {
format = 'spki';
} else if (-1 !== [ 'ssh', 'rfc4716' ].indexOf(format)) {
format = 'ssh';
} else {
throw new Error("options.format must be 'spki', 'pkcs1', or 'ssh' for public RSA keys, not ("
+ typeof format + ") " + format);
}
} else {
// TODO test for all necessary keys (d, p, q ...)
if (!format || 'pkcs1' === format) {
format = 'pkcs1';
} else if ('pkcs8' !== format) {
throw new Error("options.format must be 'pkcs1' or 'pkcs8' for private RSA keys");
}
}
if ('pkcs1' === format) {
if (jwk.d) {
return PEM.packBlock({ type: "RSA PRIVATE KEY", bytes: x509.packPkcs1(jwk) });
} else {
return PEM.packBlock({ type: "RSA PUBLIC KEY", bytes: x509.packPkcs1(jwk) });
}
} else if ('pkcs8' === format) {
return PEM.packBlock({ type: "PRIVATE KEY", bytes: x509.packPkcs8(jwk) });
} else if (-1 !== [ 'spki', 'pkix' ].indexOf(format)) {
return PEM.packBlock({ type: "PUBLIC KEY", bytes: x509.packSpki(jwk) });
} else if (-1 !== [ 'ssh', 'rfc4716' ].indexOf(format)) {
return SSH.pack({ jwk: jwk, comment: opts.comment });
} else {
throw new Error("Sanity Error: reached unreachable code block with format: " + format);
}
};
RSA.pack = function (opts) {
// wrapped in a promise for API compatibility
// with the forthcoming browser version
// (and potential future native node capability)
return Promise.resolve().then(function () {
return RSA.export(opts);
});
};
Enc.bufToUrlBase64 = function (u8) {
return Enc.bufToBase64(u8)
.replace(/\+/g, '-').replace(/\//g, '_').replace(/=/g, '');

71
lib/x509.js
View File

@ -1,7 +1,7 @@
'use strict';
(function (exports) {
'use strict';
var x509 = exports.x509 = {};
var x509 = exports.x509 = {};
var ASN1 = exports.ASN1;
var Enc = exports.Enc;
@ -55,6 +55,27 @@
};
};
x509.packPkcs1 = function (jwk) {
var n = ASN1.UInt(Enc.base64ToHex(jwk.n));
var e = ASN1.UInt(Enc.base64ToHex(jwk.e));
if (!jwk.d) {
return Enc.hexToBuf(ASN1('30', n, e));
}
return Enc.hexToBuf(ASN1('30'
, ASN1.UInt('00')
, n
, e
, ASN1.UInt(Enc.base64ToHex(jwk.d))
, ASN1.UInt(Enc.base64ToHex(jwk.p))
, ASN1.UInt(Enc.base64ToHex(jwk.q))
, ASN1.UInt(Enc.base64ToHex(jwk.dp))
, ASN1.UInt(Enc.base64ToHex(jwk.dq))
, ASN1.UInt(Enc.base64ToHex(jwk.qi))
));
};
x509.parsePkcs8 = function parseEcPkcs8(u8, jwk) {
var index = 24 + (OBJ_ID_EC.length / 2);
var len = 32;
@ -128,7 +149,7 @@
var x = Enc.base64ToHex(jwk.x);
var y = Enc.base64ToHex(jwk.y);
var objId = ('P-256' === jwk.crv) ? OBJ_ID_EC : OBJ_ID_EC_384;
return Enc.hexToUint8(
return Enc.hexToBuf(
ASN1('30'
, ASN1.UInt('01')
, ASN1('04', d)
@ -136,12 +157,54 @@
, ASN1('A1', ASN1.BitStr('04' + x + y)))
);
};
/**
* take a private jwk and creates a der from it
* @param {*} jwk
*/
x509.packPkcs8 = function (jwk) {
if (jwk.kty == 'RSA') {
if (!jwk.d) {
// Public RSA
return Enc.hexToBuf(ASN1('30'
, ASN1('30'
, ASN1('06', '2a864886f70d010101')
, ASN1('05')
)
, ASN1.BitStr(ASN1('30'
, ASN1.UInt(Enc.base64ToHex(jwk.n))
, ASN1.UInt(Enc.base64ToHex(jwk.e))
))
));
}
// Private RSA
return Enc.hexToBuf(ASN1('30'
, ASN1.UInt('00')
, ASN1('30'
, ASN1('06', '2a864886f70d010101')
, ASN1('05')
)
, ASN1('04'
, ASN1('30'
, ASN1.UInt('00')
, ASN1.UInt(Enc.base64ToHex(jwk.n))
, ASN1.UInt(Enc.base64ToHex(jwk.e))
, ASN1.UInt(Enc.base64ToHex(jwk.d))
, ASN1.UInt(Enc.base64ToHex(jwk.p))
, ASN1.UInt(Enc.base64ToHex(jwk.q))
, ASN1.UInt(Enc.base64ToHex(jwk.dp))
, ASN1.UInt(Enc.base64ToHex(jwk.dq))
, ASN1.UInt(Enc.base64ToHex(jwk.qi))
)
)
));
}
var d = Enc.base64ToHex(jwk.d);
var x = Enc.base64ToHex(jwk.x);
var y = Enc.base64ToHex(jwk.y);
var objId = ('P-256' === jwk.crv) ? OBJ_ID_EC : OBJ_ID_EC_384;
return Enc.hexToUint8(
return Enc.hexToBuf(
ASN1('30'
, ASN1.UInt('00')
, ASN1('30'
@ -159,7 +222,7 @@
var x = Enc.base64ToHex(jwk.x);
var y = Enc.base64ToHex(jwk.y);
var objId = ('P-256' === jwk.crv) ? OBJ_ID_EC : OBJ_ID_EC_384;
return Enc.hexToUint8(
return Enc.hexToBuf(
ASN1('30'
, ASN1('30'
, OBJ_ID_EC_PUB