paypro: debugging and sigAlg/pubKey formats.

This commit is contained in:
Christopher Jeffrey 2014-08-22 17:10:41 -07:00
parent 6eab175467
commit 882ce9d809
3 changed files with 148 additions and 16 deletions

View File

@ -63,6 +63,12 @@ PayPro.prototype.x509Verify = function() {
var pem = this._DERtoPEM(der, 'CERTIFICATE');
var verified = verifier.verify(pem, sig);
if (verified) {
console.log('PaymentRequest verified (node)');
} else {
console.log('PaymentRequest not verified (node)');
}
var chain = pki_data;
// Verifying the cert chain:
@ -89,28 +95,112 @@ PayPro.prototype.x509Verify = function() {
var nder = ncert.toString('hex');
var npem = self._DERtoPEM(nder, 'CERTIFICATE');
// Get public key from next certificate:
var data = new Buffer(nder, 'hex');
var nc = rfc3280.Certificate.decode(data, 'der');
var npubKey = nc.tbsCertificate.subjectPublicKeyInfo.subjectPublicKey.data;
npubKey = self._DERtoPEM(npubKey, 'RSA PUBLIC KEY');
//
// Get Public Key from next certificate:
//
var ndata = new Buffer(nder, 'hex');
var nc = rfc3280.Certificate.decode(ndata, 'der');
var npubKeyAlg = PayPro.getAlgorithm(
nc.tbsCertificate.subjectPublicKeyInfo.algorithm.algorithm);
var fnpubKey = nc.tbsCertificate.subjectPublicKeyInfo.subjectPublicKey.data;
fnpubKey = self._DERtoPEM(fnpubKey, npubKeyAlg + ' PUBLIC KEY');
// Get signature from current certificate:
//
// Get Public Key from next certificate via KJUR:
//
var js = new KJUR.crypto.Signature({
alg: type + 'withRSA',
prov: 'cryptojs/jsrsa'
});
js.initVerifyByCertificatePEM(npem);
var kjrsapubKey = js.pubKey; // RSAKey
var kjnpubKey = KJUR.KEYUTIL.getPEM(js.pubKey); // PEM
//
// NOTE: The asn1.js pubKey and KJUR pubKey differ for some reason (the
// KJUR one is not RSA: consult docs, there may be an alternate method).
//
//
// Get Signature Value from current certificate:
//
var data = new Buffer(der, 'hex');
var c = rfc3280.Certificate.decode(data, 'der');
var sigAlg = PayPro.getAlgorithm(c.signatureAlgorithm.algorithm, 1);
var sig = c.signature.data;
var verifier = crypto.createVerify('RSA-' + type);
// NOTE:
// CHECK: c.tbsCertificate.issuer === nc.tbsCertificate.subject;
//
// Create a To-Be-Signed Certificate to verify using asn1.js:
// Fails at Issuer:
var tbs = rfc3280.TBSCertificate.encode(c.tbsCertificate, 'der');
verifier.update(tbs);
//
// var tbs = rfc3280.TBSCertificate.encode(c.tbsCertificate, 'der');
var tbs = rfc3280.TBSCertificate.encode({
version: c.tbsCertificate.version,
serialNumber: c.tbsCertificate.serialNumber,
// XXX signature algorithm is different for some reason.
signature: { algorithm: [ 1, 2, 840, 113549, 1, 1, 11 ] },
//signature: c.tbsCertificate.signature,
issuer: c.tbsCertificate.issuer,
validity: c.tbsCertificate.validity,
subject: c.tbsCertificate.subject,
subjectPublicKeyInfo: c.tbsCertificate.subjectPublicKeyInfo,
extensions: c.tbsCertificate.extensions
}, 'der');
return verifier.verify(npubKey, sig);
//
// Debug
//
// print(c);
// print(nc);
//
// Verify current certificate signature via KJUR:
//
// https://github.com/kjur/jsrsasign/wiki/Tutorial-to-sign-and-verify-with-RSAKey-extension
// http://kjur.github.io/jsrsasign/api/symbols/KJUR.crypto.html
// http://kjur.github.io/jsrsasign/api/symbols/KJUR.crypto.Signature.html
if (0) {
var jsrsaSig = new KJUR.crypto.Signature({
alg: sigAlg + 'withRSA',
prov: 'cryptojs/jsrsa'
});
jsrsaSig.initVerifyByPublicKey(kjrsapubKey); // Has to be an RSAKey.
jsrsaSig.updateHex(tbs.toString('hex'));
var v = jsrsaSig.verify(sig.toString('hex'));
if (v) console.log(i + ' verified (KJUR)');
else console.log(i + ' not verified (KJUR)');
return true;
return v;
}
//
// Verify current certificate signature:
//
var verifier = crypto.createVerify('RSA-' + sigAlg);
verifier.update(tbs);
var v = verifier.verify(fnpubKey, sig);
//var v = verifier.verify(kjnpubKey, sig);
if (v) console.log(i + ' verified (node)');
else console.log(i + ' not verified (node)');
return true;
return v;
});
return verified && chainVerified;
};
var util = require('util');
function inspect(obj) {
return typeof obj !== 'string'
? util.inspect(obj, false, 20, true)
: obj;
}
function print(obj) {
return typeof obj === 'object'
? process.stdout.write(inspect(obj) + '\n')
: console.log.apply(console, arguments);
}
module.exports = PayPro;

View File

@ -100,10 +100,18 @@ PayPro.prototype.x509Verify = function(key) {
var npem = KJUR.asn1.ASN1Util.getPEMStringFromHex(nder, 'CERTIFICATE');
// Get public key from next certificate:
var data = new Buffer(nder, 'hex');
var nc = rfc3280.Certificate.decode(data, 'der');
var npubKey = nc.tbsCertificate.subjectPublicKeyInfo.subjectPublicKey.data;
npubKey = KJUR.asn1.ASN1Util.getPEMStringFromHex(npubKey, 'RSA PUBLIC KEY');
// var data = new Buffer(nder, 'hex');
// var nc = rfc3280.Certificate.decode(data, 'der');
// var npubKey = nc.tbsCertificate.subjectPublicKeyInfo.subjectPublicKey.data;
// npubKey = KJUR.asn1.ASN1Util.getPEMStringFromHex(npubKey, 'RSA PUBLIC KEY');
// Get public key from next certificate via KJUR:
var js = new KJUR.crypto.Signature({
alg: type + 'withRSA',
prov: 'cryptojs/jsrsa'
});
js.initVerifyByCertificatePEM(npem);
var npubKey = js.pubKey;
// Get signature from current certificate:
var data = new Buffer(der, 'hex');
@ -121,7 +129,7 @@ PayPro.prototype.x509Verify = function(key) {
var tbs = rfc3280.TBSCertificate.encode(c.tbsCertificate, 'der');
jsrsaSig.updateHex(tbs.toString('hex'));
return jsrsaSig.verify(sig);
return jsrsaSig.verify(sig.toString('hex'));
});
return verified && chainVerified;

View File

@ -18,6 +18,40 @@ PayPro.PAYMENT_REQUEST_CONTENT_TYPE = "application/bitcoin-paymentrequest";
PayPro.PAYMENT_CONTENT_TYPE = "application/bitcoin-payment";
PayPro.PAYMENT_ACK_CONTENT_TYPE = "application/bitcoin-paymentack";
// https://www.google.com/search?q=signatureAlgorithm+1.2.840.113549.1.1.1
// http://msdn.microsoft.com/en-us/library/windows/desktop/aa379057(v=vs.85).aspx
PayPro.X509_ALGORITHM = {
'1.2.840.113549.1.1.1': 'RSA',
'1.2.840.113549.1.1.2': 'RSA_MD2',
'1.2.840.113549.1.1.4': 'RSA_MD5',
'1.2.840.113549.1.1.5': 'RSA_SHA1',
'1.2.840.113549.1.1.11': 'RSA_SHA256',
'1.2.840.113549.1.1.12': 'RSA_SHA384',
'1.2.840.113549.1.1.13': 'RSA_SHA512',
'1.2.840.10045.4.3.2': 'ECDSA_SHA256',
'1.2.840.10045.4.3.3': 'ECDSA_SHA384',
'1.2.840.10045.4.3.4': 'ECDSA_SHA512'
};
PayPro.getAlgorithm = function(value, index) {
if (Array.isArray(value)) {
value = value.join('.');
}
value = PayPro.X509_ALGORITHM[value];
if (index != null) {
value = value.split('_');
if (index === true) {
return {
cipher: value[0],
hash: value[1]
};
}
return value[index];
}
return value;
};
PayPro.RootCerts = RootCerts;
PayPro.proto = {};