mirror of
https://github.com/gchq/CyberChef.git
synced 2025-04-20 14:56:19 -04:00
AES Decrypt now supports Additional Authenticated Data in GCM mode. Added tests for ADD at each AES size.
This commit is contained in:
parent
fdffabfdd4
commit
4a673bd92a
6 changed files with 274 additions and 98 deletions
|
@ -56,7 +56,7 @@ class AESEncrypt extends Operation {
|
|||
off: [5]
|
||||
},
|
||||
{
|
||||
name:"CTR",
|
||||
name: "CTR",
|
||||
off: [5]
|
||||
},
|
||||
{
|
||||
|
@ -81,7 +81,7 @@ class AESEncrypt extends Operation {
|
|||
},
|
||||
{
|
||||
"name": "Additional Authenticated Data",
|
||||
"type": "string",
|
||||
"type": "binaryString",
|
||||
"value": ""
|
||||
}
|
||||
];
|
||||
|
@ -99,7 +99,8 @@ class AESEncrypt extends Operation {
|
|||
iv = Utils.convertToByteString(args[1].string, args[1].option),
|
||||
mode = args[2],
|
||||
inputType = args[3],
|
||||
outputType = args[4];
|
||||
outputType = args[4],
|
||||
aad = args[5];
|
||||
|
||||
if ([16, 24, 32].indexOf(key.length) < 0) {
|
||||
throw new OperationError(`Invalid key length: ${key.length} bytes
|
||||
|
@ -113,12 +114,10 @@ The following algorithms will be used based on the size of the key:
|
|||
input = Utils.convertToByteString(input, inputType);
|
||||
|
||||
const cipher = forge.cipher.createCipher("AES-" + mode, key);
|
||||
|
||||
if (args[5])
|
||||
cipher.start({iv: iv, additionalData: args[5]});
|
||||
else
|
||||
cipher.start({iv: iv});
|
||||
|
||||
cipher.start({
|
||||
iv: iv,
|
||||
additionalData: mode === "GCM" ? aad : undefined
|
||||
});
|
||||
cipher.update(forge.util.createBuffer(input));
|
||||
cipher.finish();
|
||||
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue