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Operation: Generate ECDSA Key Pair

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CPlusSharp 2021-11-07 15:46:25 +01:00
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1
src/core/config/Categories.json
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@ -179,6 +179,7 @@
"RSA Verify",
"RSA Encrypt",
"RSA Decrypt",
"Generate ECDSA Key Pair",
"Parse SSH Host Key",
"Parse CSR"
]

98
src/core/operations/GenerateECDSAKeyPair.mjs Normal file
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@ -0,0 +1,98 @@
/**
* @author cplussharp
* @copyright Crown Copyright 2021
* @license Apache-2.0
*/
import Operation from "../Operation.mjs";
import { cryptNotice } from "../lib/Crypt.mjs";
import r from "jsrsasign";
/**
* Generate ECDSA Key Pair operation
*/
class GenerateECDSAKeyPair extends Operation {
/**
* GenerateECDSAKeyPair constructor
*/
constructor() {
super();
this.name = "Generate ECDSA Key Pair";
this.module = "Ciphers";
this.description = `Generate an ECDSA key pair with a given Curve.<br><br>${cryptNotice}`;
this.infoURL = "https://wikipedia.org/wiki/Elliptic_Curve_Digital_Signature_Algorithm";
this.inputType = "string";
this.outputType = "string";
this.args = [
{
name: "Elliptic Curve",
type: "option",
value: [
"P-256",
"P-384",
"P-521"
]
},
{
name: "Output Format",
type: "option",
value: [
"PEM",
"DER",
"JWK"
]
}
];
}
/**
* @param {string} input
* @param {Object[]} args
* @returns {string}
*/
async run(input, args) {
const [curveName, outputFormat] = args;
return new Promise((resolve, reject) => {
let internalCurveName;
switch (curveName) {
case "P-256":
internalCurveName = "secp256r1";
break;
case "P-384":
internalCurveName = "secp384r1";
break;
case "P-521":
internalCurveName = "secp521r1";
break;
}
const keyPair = r.KEYUTIL.generateKeypair("EC", internalCurveName);
let pubKey;
let privKey;
let result;
switch (outputFormat) {
case "PEM":
pubKey = r.KEYUTIL.getPEM(keyPair.pubKeyObj);
privKey = r.KEYUTIL.getPEM(keyPair.prvKeyObj, "PKCS8PRV");
result = pubKey + "\n" + privKey;
break;
case "DER":
result = keyPair.prvKeyObj.prvKeyHex;
break;
case "JWK":
pubKey = JSON.stringify(r.KEYUTIL.getJWKFromKey(keyPair.pubKeyObj));
privKey = JSON.stringify(r.KEYUTIL.getJWKFromKey(keyPair.prvKeyObj));
result = pubKey + "\n\n" + privKey;
break;
}
resolve(result);
});
}
}
export default GenerateECDSAKeyPair;