mirrors/CyberChef
1
0
Fork 0
mirror of https://github.com/gchq/CyberChef.git synced 2025-05-08 07:21:02 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

add formatter

Browse source
This commit is contained in:
Hare Sudhan 2024-02-24 22:59:51 -05:00
parent c4e7c41a6e
commit ce30989adc
693 changed files with 51226 additions and 26671 deletions
Download patch file Download diff file Expand all files Collapse all files

92
src/core/operations/AESDecrypt.mjs
View file

@ -13,7 +13,6 @@ import OperationError from "../errors/OperationError.mjs";
* AES Decrypt operation
*/
class AESDecrypt extends Operation {
/**
* AESDecrypt constructor
*/
@ -22,83 +21,85 @@ class AESDecrypt extends Operation {
this.name = "AES Decrypt";
this.module = "Ciphers";
this.description = "Advanced Encryption Standard (AES) is a U.S. Federal Information Processing Standard (FIPS). It was selected after a 5-year process where 15 competing designs were evaluated.<br><br><b>Key:</b> The following algorithms will be used based on the size of the key:<ul><li>16 bytes = AES-128</li><li>24 bytes = AES-192</li><li>32 bytes = AES-256</li></ul><br><br><b>IV:</b> The Initialization Vector should be 16 bytes long. If not entered, it will default to 16 null bytes.<br><br><b>Padding:</b> In CBC and ECB mode, PKCS#7 padding will be used as a default.<br><br><b>GCM Tag:</b> This field is ignored unless 'GCM' mode is used.";
this.infoURL = "https://wikipedia.org/wiki/Advanced_Encryption_Standard";
this.description =
"Advanced Encryption Standard (AES) is a U.S. Federal Information Processing Standard (FIPS). It was selected after a 5-year process where 15 competing designs were evaluated.<br><br><b>Key:</b> The following algorithms will be used based on the size of the key:<ul><li>16 bytes = AES-128</li><li>24 bytes = AES-192</li><li>32 bytes = AES-256</li></ul><br><br><b>IV:</b> The Initialization Vector should be 16 bytes long. If not entered, it will default to 16 null bytes.<br><br><b>Padding:</b> In CBC and ECB mode, PKCS#7 padding will be used as a default.<br><br><b>GCM Tag:</b> This field is ignored unless 'GCM' mode is used.";
this.infoURL =
"https://wikipedia.org/wiki/Advanced_Encryption_Standard";
this.inputType = "string";
this.outputType = "string";
this.args = [
{
"name": "Key",
"type": "toggleString",
"value": "",
"toggleValues": ["Hex", "UTF8", "Latin1", "Base64"]
name: "Key",
type: "toggleString",
value: "",
toggleValues: ["Hex", "UTF8", "Latin1", "Base64"],
},
{
"name": "IV",
"type": "toggleString",
"value": "",
"toggleValues": ["Hex", "UTF8", "Latin1", "Base64"]
name: "IV",
type: "toggleString",
value: "",
toggleValues: ["Hex", "UTF8", "Latin1", "Base64"],
},
{
"name": "Mode",
"type": "argSelector",
"value": [
name: "Mode",
type: "argSelector",
value: [
{
name: "CBC",
off: [5, 6]
off: [5, 6],
},
{
name: "CFB",
off: [5, 6]
off: [5, 6],
},
{
name: "OFB",
off: [5, 6]
off: [5, 6],
},
{
name: "CTR",
off: [5, 6]
off: [5, 6],
},
{
name: "GCM",
on: [5, 6]
on: [5, 6],
},
{
name: "ECB",
off: [5, 6]
off: [5, 6],
},
{
name: "CBC/NoPadding",
off: [5, 6]
off: [5, 6],
},
{
name: "ECB/NoPadding",
off: [5, 6]
}
]
off: [5, 6],
},
],
},
{
"name": "Input",
"type": "option",
"value": ["Hex", "Raw"]
name: "Input",
type: "option",
value: ["Hex", "Raw"],
},
{
"name": "Output",
"type": "option",
"value": ["Raw", "Hex"]
name: "Output",
type: "option",
value: ["Raw", "Hex"],
},
{
"name": "GCM Tag",
"type": "toggleString",
"value": "",
"toggleValues": ["Hex", "UTF8", "Latin1", "Base64"]
name: "GCM Tag",
type: "toggleString",
value: "",
toggleValues: ["Hex", "UTF8", "Latin1", "Base64"],
},
{
"name": "Additional Authenticated Data",
"type": "toggleString",
"value": "",
"toggleValues": ["Hex", "UTF8", "Latin1", "Base64"]
}
name: "Additional Authenticated Data",
type: "toggleString",
value: "",
toggleValues: ["Hex", "UTF8", "Latin1", "Base64"],
},
];
}
@ -134,7 +135,7 @@ The following algorithms will be used based on the size of the key:
/* Allow for a "no padding" mode */
if (noPadding) {
decipher.mode.unpad = function(output, options) {
decipher.mode.unpad = function (output, options) {
return true;
};
}
@ -142,18 +143,21 @@ The following algorithms will be used based on the size of the key:
decipher.start({
iv: iv.length === 0 ? "" : iv,
tag: mode === "GCM" ? gcmTag : undefined,
additionalData: mode === "GCM" ? aad : undefined
additionalData: mode === "GCM" ? aad : undefined,
});
decipher.update(forge.util.createBuffer(input));
const result = decipher.finish();
if (result) {
return outputType === "Hex" ? decipher.output.toHex() : decipher.output.getBytes();
return outputType === "Hex"
? decipher.output.toHex()
: decipher.output.getBytes();
} else {
throw new OperationError("Unable to decrypt input with these parameters.");
throw new OperationError(
"Unable to decrypt input with these parameters.",
);
}
}
}
export default AESDecrypt;