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crypto raw message

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Mo Bitar
2016-12-21 23:29:39 -06:00
parent 4d916fe1da
commit 7fa0c3e75a
3 changed files with 29 additions and 13 deletions
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20
app/assets/javascripts/app/services/helpers/crypto.js
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@@ -1,7 +1,7 @@
class SNCrypto {
generateRandomKey() {
return CryptoJS.lib.WordArray.random(256/8).toString();
return CryptoJS.lib.WordArray.random(512/8).toString();
}
generateUUID() {
@@ -18,17 +18,23 @@ class SNCrypto {
}
decryptText(encrypted_content, key) {
return CryptoJS.AES.decrypt(encrypted_content, key).toString(CryptoJS.enc.Utf8);
var keyData = CryptoJS.enc.Hex.parse(key);
var ivData = CryptoJS.enc.Hex.parse("");
var decrypted = CryptoJS.AES.decrypt(encrypted_content, keyData, { iv: ivData, mode: CryptoJS.mode.CBC, padding: CryptoJS.pad.Pkcs7 });
return decrypted.toString(CryptoJS.enc.Utf8);
}
encryptText(text, key) {
return CryptoJS.AES.encrypt(text, key).toString();
var keyData = CryptoJS.enc.Hex.parse(key);
var ivData = CryptoJS.enc.Hex.parse("");
var encrypted = CryptoJS.AES.encrypt(text, keyData, { iv: ivData, mode: CryptoJS.mode.CBC, padding: CryptoJS.pad.Pkcs7 });
return encrypted.toString();
}
generateRandomEncryptionKey() {
var salt = Neeto.crypto.generateRandomKey();
var passphrase = Neeto.crypto.generateRandomKey();
return CryptoJS.PBKDF2(passphrase, salt, { keySize: 256/32 }).toString();
return CryptoJS.PBKDF2(passphrase, salt, { keySize: 512/32 }).toString();
}
firstHalfOfKey(key) {
@@ -47,8 +53,10 @@ class SNCrypto {
return CryptoJS.SHA1(text).toString();
}
hmac256(message, secret) {
return CryptoJS.HmacSHA256(message, secret).toString();
hmac256(message, key) {
var keyData = CryptoJS.enc.Hex.parse(key);
var messageData = CryptoJS.enc.Utf8.parse(message);
return CryptoJS.HmacSHA256(messageData, keyData).toString();
}
computeEncryptionKeysForUser({email, password, pw_salt, pw_func, pw_alg, pw_cost, pw_key_size} = {}, callback) {