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cleanup crypto API

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This commit is contained in:
Kyle Spearrin 2017-04-19 09:27:38 -04:00
parent 6d555bcf84
commit 051703234c
1 changed files with 18 additions and 15 deletions
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33
src/app/services/cryptoService.js
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@ -37,9 +37,10 @@ angular
for (var orgId in orgKeysCt) {
if (orgKeysCt.hasOwnProperty(orgId)) {
try {
var orgKey = new CryptoKey(_service.rsaDecrypt(orgKeysCt[orgId].key, privateKey));
_orgKeys[orgId] = orgKey;
orgKeysb64[orgId] = orgKey.keyB64;
var decBytes = _service.rsaDecrypt(orgKeysCt[orgId].key, privateKey);
var decKey = new CryptoKey(decBytes);
_orgKeys[orgId] = decKey;
orgKeysb64[orgId] = decKey.keyB64;
setKey = true;
}
catch (e) {
@ -68,9 +69,10 @@ angular
}
try {
var decOrgKey = new CryptoKey(_service.rsaDecrypt(encOrgKey, privateKey));
_orgKeys[orgId] = decOrgKey;
orgKeysb64[orgId] = decOrgKey.keyB64;
var decBytes = _service.rsaDecrypt(encOrgKey, privateKey);
var decKey = new CryptoKey(decBytes);
_orgKeys[orgId] = decKey;
orgKeysb64[orgId] = decKey.keyB64;
}
catch (e) {
_orgKeys = null;
@ -82,7 +84,7 @@ angular
_service.getKey = function () {
if (!_key && $sessionStorage.key) {
_key = new CryptoKey($sessionStorage.key, null, true);
_key = new CryptoKey($sessionStorage.key, true);
}
if (!_key) {
@ -142,7 +144,7 @@ angular
for (var orgId in $sessionStorage.orgKeys) {
if ($sessionStorage.orgKeys.hasOwnProperty(orgId)) {
orgKeys[orgId] = new CryptoKey($sessionStorage.orgKeys[orgId], null, true);
orgKeys[orgId] = new CryptoKey($sessionStorage.orgKeys[orgId], true);
setKey = true;
}
}
@ -410,7 +412,7 @@ angular
return forge.util.encode64(mac.getBytes());
}
function CryptoKey(keyBytes, encType, b64KeyBytes) {
function CryptoKey(keyBytes, b64KeyBytes, encType) {
if (b64KeyBytes) {
keyBytes = forge.util.decode64(keyBytes);
}
@ -423,12 +425,13 @@ angular
if (!buffer || buffer.length() === 0) {
throw 'Couldn\'t make buffer';
}
var bufferLength = buffer.length();
if (encType === null || encType === undefined) {
if (buffer.length() === 32) {
if (bufferLength === 32) {
encType = constants.encType.AesCbc256_B64;
}
else if (buffer.length() === 64) {
else if (bufferLength === 64) {
encType = constants.encType.AesCbc256_HmacSha256_B64;
}
else {
@ -440,20 +443,20 @@ angular
this.keyB64 = forge.util.encode64(keyBytes);
this.encType = encType;
if (encType === constants.encType.AesCbc256_B64 && buffer.length() === 32) {
if (encType === constants.encType.AesCbc256_B64 && bufferLength === 32) {
this.encKey = keyBytes;
this.macKey = null;
}
else if (encType === constants.encType.AesCbc128_HmacSha256_B64 && buffer.length() === 32) {
else if (encType === constants.encType.AesCbc128_HmacSha256_B64 && bufferLength === 32) {
this.encKey = buffer.getBytes(16); // first half
this.macKey = buffer.getBytes(16); // second half
}
else if (encType === constants.encType.AesCbc256_HmacSha256_B64 && buffer.length() === 64) {
else if (encType === constants.encType.AesCbc256_HmacSha256_B64 && bufferLength === 64) {
this.encKey = buffer.getBytes(32); // first half
this.macKey = buffer.getBytes(32); // second half
}
else {
throw 'Unsupported key.';
throw 'Unsupported encType/key length.';
}
}