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gcm encryption

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This commit is contained in:
Abhinav Adduri 2017-06-20 13:03:04 -07:00 • committed by Danny Coates
parent a7fcb1a44f
commit 50995238bd
No known key found for this signature in database
GPG key ID: 4C442633C62E00CB
4 changed files with 30 additions and 32 deletions
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16
frontend/src/fileSender.js
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@ -7,7 +7,7 @@ class FileSender extends EventEmitter {
constructor(file) {
super();
this.file = file;
this.iv = window.crypto.getRandomValues(new Uint8Array(16));
this.iv = window.crypto.getRandomValues(new Uint8Array(12));
}
static delete(fileId, token) {
@ -39,12 +39,13 @@ class FileSender extends EventEmitter {
return Promise.all([
window.crypto.subtle.generateKey(
{
name: 'AES-CBC',
length: 128
name: 'AES-GCM',
length: 256,
tagLength: 128
},
true,
['encrypt', 'decrypt']
),
).catch(err => console.log('There was an error generating a crypto key')),
new Promise((resolve, reject) => {
const reader = new FileReader();
reader.readAsArrayBuffer(this.file);
@ -57,12 +58,13 @@ class FileSender extends EventEmitter {
return Promise.all([
window.crypto.subtle.encrypt(
{
name: 'AES-CBC',
iv: this.iv
name: 'AES-GCM',
iv: this.iv,
tagLength: 128
},
secretKey,
plaintext
),
).catch(err => console.log('Error with encrypting.')),
window.crypto.subtle.exportKey('jwk', secretKey)
]);
})