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update deprecated buffer #16

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update deprecated buffer #16

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14 changes: 7 additions & 7 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,7 @@ function convertCertToPEM(cert) {
// }
// Luckily, to do that, we just need to prefix it with constant 26 bytes (metadata is constant).
cert = Buffer.concat([
new Buffer("3059301306072a8648ce3d020106082a8648ce3d030107034200", "hex"),
new Buffer.from("3059301306072a8648ce3d020106082a8648ce3d030107034200", "hex"),
cert]);

type = "PUBLIC KEY";
Expand Down Expand Up @@ -115,7 +115,7 @@ function checkRegistration(request, registerData) {
};

// Unpack and check clientData, challenge.
var clientData = new Buffer(registerData.clientData, 'base64');
var clientData = new Buffer.from(registerData.clientData, 'base64');
try {
var clientDataObj = JSON.parse(clientData.toString('utf8'));
}
Expand All @@ -126,7 +126,7 @@ function checkRegistration(request, registerData) {
return {errorMessage: "Invalid challenge: not the one provided"};

// Parse registrationData.
var buf = new Buffer(registerData.registrationData, 'base64');
var buf = new Buffer.from(registerData.registrationData, 'base64');
var reserved = buf[0]; buf = buf.slice(1);
var publicKey = buf.slice(0, 65); buf = buf.slice(65);
var keyHandleLen = buf[0]; buf = buf.slice(1);
Expand All @@ -138,7 +138,7 @@ function checkRegistration(request, registerData) {
if (buf.length !== 0)
console.error("U2F Registration Warning: registrationData has extra bytes: "+buf.toString('hex'));

var reservedByte = new Buffer('00', 'hex');
var reservedByte = new Buffer.from('00', 'hex');
var appIdHash = hash(request.appId);
var clientDataHash = hash(clientData);

Expand Down Expand Up @@ -172,7 +172,7 @@ function checkSignature(request, signResult, publicKey) {
};

// Unpack and check clientData, challenge.
var clientData = new Buffer(signResult.clientData, 'base64');
var clientData = new Buffer.from(signResult.clientData, 'base64');
try {
var clientDataObj = JSON.parse(clientData.toString('utf8'));
}
Expand All @@ -183,7 +183,7 @@ function checkSignature(request, signResult, publicKey) {
return {errorMessage: "Invalid challenge: not the one provided"};

// Parse signatureData
var buf = new Buffer(signResult.signatureData, 'base64');
var buf = new Buffer.from(signResult.signatureData, 'base64');
var userPresenceFlag = buf.slice(0, 1); buf = buf.slice(1);
var counter = buf.slice(0, 4); buf = buf.slice(4);
var signLen = asnLen(buf);
Expand All @@ -195,7 +195,7 @@ function checkSignature(request, signResult, publicKey) {
var clientDataHash = hash(clientData);

var signatureBase = Buffer.concat([appIdHash, userPresenceFlag, counter, clientDataHash]);
var cert = new Buffer(publicKey, 'base64');
var cert = new Buffer.from(publicKey, 'base64');

if (checkECDSASignature(signatureBase, cert, signature))
return {
Expand Down