mirrors/CyberChef
1
0
Fork 0
mirror of https://github.com/gchq/CyberChef.git synced 2025-04-22 07:46:16 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

allow 16-byte keys for Triple DES in CMAC operation

Browse source
This commit is contained in:
MikeCAT 2022-11-03 01:20:37 +09:00
parent c0bd6645ce
commit fe9eb08648
2 changed files with 6 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

8
src/core/operations/CMAC.mjs
View file

@ -57,15 +57,17 @@ class CMAC extends Operation {
}
return {
"algorithm": "AES-ECB",
"key": key,
"blockSize": 16,
"Rb": new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x87]),
};
case "Triple DES":
if (key.length !== 24) {
throw new OperationError("the key for Triple DES must be 24 bytes (currently " + key.length + " bytes)");
if (key.length !== 16 && key.length !== 24) {
throw new OperationError("the key for Triple DES must be 16 or 24 bytes (currently " + key.length + " bytes)");
}
return {
"algorithm": "3DES-ECB",
"key": key.length === 16 ? key + key.substring(0, 8) : key,
"blockSize": 8,
"Rb": new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0x1b]),
};
@ -89,7 +91,7 @@ class CMAC extends Operation {
}
return out;
};
const cipher = forge.cipher.createCipher(info.algorithm, key);
const cipher = forge.cipher.createCipher(info.algorithm, info.key);
const encrypt = function(a, out) {
if (!out) out = new Uint8Array(a.length);
cipher.start();