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testing working pkcs1

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This commit is contained in:
AJ ONeal 2018-11-22 01:46:20 -07:00
parent 8d2ebe77fe
commit d41bd36feb
3 changed files with 90 additions and 32 deletions
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21
lib/asn1.js
View file

@ -51,4 +51,25 @@ ASN1.parse = function parseAsn1(buf, depth) {
return asn1;
};
/*
ASN1._stringify = function(asn1) {
//console.log(JSON.stringify(asn1, null, 2));
//console.log(asn1);
var ws = '';
function write(asn1) {
console.log(ws, 'ch', Buffer.from([asn1.type]).toString('hex'), asn1.length);
if (!asn1.children) {
return;
}
asn1.children.forEach(function (a) {
ws += '\t';
write(a);
ws = ws.slice(1);
});
}
write(asn1);
};
*/
module.exports = ASN1;

11
lib/encoding.js
View file

@ -15,6 +15,17 @@ Enc.bufToHex = function toHex(u8) {
return hex.join('').toLowerCase();
};
Enc.bufToBase64 = function toHex(u8) {
// we want to maintain api compatability with browser APIs,
// so we assume that this could be a Uint8Array
return Buffer.from(u8).toString('base64');
};
Enc.bufToUrlBase64 = function toHex(u8) {
return Enc.bufToBase64(u8)
.replace(/\+/g, '-').replace(/\//g, '_').replace(/=/g, '');
};
/*
Enc.strToBin = function strToBin(str) {
var escstr = encodeURIComponent(str);

90
lib/rasha.js
View file

@ -5,8 +5,37 @@ var ASN1 = require('./asn1.js');
//var Enc = require('./encoding.js');
var PEM = require('./pem.js');
var SSH = require('./ssh.js');
var Enc = require('./encoding.js');
/*global Promise*/
RSA.parse = function parseRsa(opts) {
return Promise.resolve().then(function () {
if (!opts || !opts.pem || 'string' !== typeof opts.pem) {
throw new Error("must pass { pem: pem } as a string");
}
if (0 === opts.pem.indexOf('ssh-rsa ')) {
return SSH.parse(opts.pem);
}
var pem = opts.pem;
var block = PEM.parseBlock(pem);
var asn1 = ASN1.parse(block.der);
//var hex = toHex(u8);
var jwk = { kty: 'RSA' };
console.log(asn1);
var len = asn1.children.length;
if (2 === len || 9 === len) {
jwk = RSA.parsePkcs1(block.der, asn1, jwk);
} else {
jwk = RSA.parsePkcs8(block.der, asn1, jwk);
}
return jwk;
});
};
RSA.toJwk = RSA.import = RSA.parse;
/*
RSAPrivateKey ::= SEQUENCE {
version Version,
@ -22,38 +51,35 @@ RSAPrivateKey ::= SEQUENCE {
}
*/
/*global Promise*/
RSA.parse = function parseEc(opts) {
return Promise.resolve().then(function () {
if (!opts || !opts.pem || 'string' !== typeof opts.pem) {
throw new Error("must pass { pem: pem } as a string");
}
if (0 === opts.pem.indexOf('ssh-rsa ')) {
return SSH.parse(opts.pem);
}
var pem = opts.pem;
var block = PEM.parseBlock(pem);
//var hex = toHex(u8);
//var jwk = { kty: 'RSA' };
RSA.parsePkcs1 = function parseRsaPkcs1(buf, asn1, jwk) {
if (!asn1.children.every(function(el) {
return 0x02 === el.type;
})) {
throw new Error("not an RSA PKCS#1 public or private key (not all ints)");
}
var asn1 = ASN1.parse(block.der);
var ws = '';
function write(asn1) {
console.log(ws, 'ch', Buffer.from([asn1.type]).toString('hex'), asn1.length);
if (!asn1.children) {
return;
}
asn1.children.forEach(function (a) {
ws += '\t';
write(a);
ws = ws.slice(1);
});
}
//console.log(JSON.stringify(asn1, null, 2));
console.log(asn1);
write(asn1);
if (2 === asn1.children.length) {
return { kty: 'RSA' };
});
jwk.n = Enc.bufToUrlBase64(asn1.children[0].value);
jwk.e = Enc.bufToUrlBase64(asn1.children[1].value);
return jwk;
} else if (asn1.children.length >= 9) {
// the standard allows for "otherPrimeInfos", hence at least 9
jwk.n = Enc.bufToUrlBase64(asn1.children[1].value);
jwk.e = Enc.bufToUrlBase64(asn1.children[2].value);
jwk.d = Enc.bufToUrlBase64(asn1.children[3].value);
jwk.p = Enc.bufToUrlBase64(asn1.children[4].value);
jwk.q = Enc.bufToUrlBase64(asn1.children[5].value);
jwk.dp = Enc.bufToUrlBase64(asn1.children[6].value);
jwk.dq = Enc.bufToUrlBase64(asn1.children[7].value);
jwk.qi = Enc.bufToUrlBase64(asn1.children[8].value);
return jwk;
} else {
throw new Error("not an RSA PKCS#1 public or private key (wrong number of ints)");
}
};
RSA.parsePkcs8 = function parseRsaPkcs8(buf, asn1, jwk) {
};
RSA.toJwk = RSA.import = RSA.parse;