Public Key from Private Key
This commit is contained in:
CPlusSharp
parent
f86817bc86
commit
28e2a391b8
@ -181,7 +181,8 @@
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"RSA Decrypt",
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"Parse SSH Host Key",
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"Parse CSR",
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"Public Key from Certificate"
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"Public Key from Certificate",
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"Public Key from Private Key"
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]
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},
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{
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82
src/core/operations/PubKeyFromPrivKey.mjs
Normal file
82
src/core/operations/PubKeyFromPrivKey.mjs
Normal file
@ -0,0 +1,82 @@
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/**
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* @author cplussharp
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* @copyright Crown Copyright 2023
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* @license Apache-2.0
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*/
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import r from "jsrsasign";
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import Operation from "../Operation.mjs";
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import OperationError from "../errors/OperationError.mjs";
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/**
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* Public Key from Private Key operation
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*/
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class PubKeyFromPrivKey extends Operation {
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/**
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* PubKeyFromPrivKey constructor
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*/
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constructor() {
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super();
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this.name = "Public Key from Private Key";
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this.module = "PublicKey";
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this.description = "Extracts the Public Key from a Private Key.";
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this.infoURL = "https://en.wikipedia.org/wiki/PKCS_8";
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this.inputType = "string";
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this.outputType = "string";
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this.args = [];
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this.checks = [];
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}
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/**
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* @param {string} input
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* @param {Object[]} args
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* @returns {string}
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*/
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run(input, args) {
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let output = "";
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let match;
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const regex = /-----BEGIN ((RSA |EC |DSA )?PRIVATE KEY)-----/g;
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while ((match = regex.exec(input)) !== null) {
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// find corresponding end tag
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const indexBase64 = match.index + match[0].length;
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const footer = `-----END ${match[1]}-----`;
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const indexFooter = input.indexOf(footer, indexBase64);
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if (indexFooter === -1) {
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throw new OperationError(`PEM footer '${footer}' not found`);
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}
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const privKeyPem = input.substring(match.index, indexFooter + footer.length);
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let privKey;
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try {
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privKey = r.KEYUTIL.getKey(privKeyPem);
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} catch (err) {
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throw new OperationError(`Unsupported key type: ${err}`);
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}
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let pubKey;
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if (privKey.type && privKey.type === "EC") {
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pubKey = new r.KJUR.crypto.ECDSA({ curve: privKey.curve });
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pubKey.setPublicKeyHex(privKey.generatePublicKeyHex());
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} else if (privKey.type && privKey.type === "DSA") {
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if (!privKey.y) {
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throw new OperationError(`DSA Private Key in PKCS#8 is not supported`);
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}
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pubKey = new r.KJUR.crypto.DSA();
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pubKey.setPublic(privKey.p, privKey.q, privKey.g, privKey.y);
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} else if (privKey.n && privKey.e) {
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pubKey = new r.RSAKey();
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pubKey.setPublic(privKey.n, privKey.e);
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} else {
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throw new OperationError(`Unsupported key type`);
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}
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const pubKeyPem = r.KEYUTIL.getPEM(pubKey);
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// PEM ends with '\n', so a new key always starts on a new line
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output += pubKeyPem;
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}
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return output;
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}
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}
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export default PubKeyFromPrivKey;
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@ -121,6 +121,7 @@ import "./tests/PHP.mjs";
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import "./tests/PowerSet.mjs";
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import "./tests/Protobuf.mjs";
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import "./tests/PubKeyFromCert.mjs";
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import "./tests/PubKeyFromPrivKey.mjs";
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import "./tests/Rabbit.mjs";
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import "./tests/RAKE.mjs";
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import "./tests/Regex.mjs";
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254
tests/operations/tests/PubKeyFromPrivKey.mjs
Normal file
254
tests/operations/tests/PubKeyFromPrivKey.mjs
Normal file
@ -0,0 +1,254 @@
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/**
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* Public Key from Private Key
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*
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* @author cplussharp
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* @copyright Crown Copyright 2023
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* @license Apache-2.0
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*/
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import TestRegister from "../../lib/TestRegister.mjs";
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const RSA_PRIVKEY_PKCS1 = `-----BEGIN RSA PRIVATE KEY-----
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MIIBOQIBAAJBAPKr0Dp6YdItzOfk6a7ma7L4BF4LnelMYKtboGLrk6ihtqFPZFRL
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NcJi68Hvnt8stMrP50t6jqwWQ2EjMdkj6fsCAwEAAQJAOJUpM0lv36MAQR3WAwsF
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F7DOy+LnigteCvaNWiNVxZ6jByB5Qb7sall/Qlu9sFI0ZwrlVcKS0kldee7JTYlL
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WQIhAP3UKEfOtpTgT1tYmdhaqjxqMfxBom0Ri+rt9ajlzs6vAiEA9L85B8/Gnb7p
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6Af7/wpmafL277OV4X4xBfzMR+TUzHUCIBq+VLQkInaTH6lXL3ZtLwyIf9W9MJjf
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RWeuRLjT5bM/AiBF7Kw6kx5Hy1fAtydEApCoDIaIjWJw/kC7WTJ0B+jUUQIgV6dw
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NSyj0feakeD890gmId+lvl/w/3oUXiczqvl/N9o=
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-----END RSA PRIVATE KEY-----`;
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const RSA_PRIVKEY_PKCS8 = `-----BEGIN PRIVATE KEY-----
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MIIBUwIBADANBgkqhkiG9w0BAQEFAASCAT0wggE5AgEAAkEA8qvQOnph0i3M5+Tp
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ruZrsvgEXgud6Uxgq1ugYuuTqKG2oU9kVEs1wmLrwe+e3yy0ys/nS3qOrBZDYSMx
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2SPp+wIDAQABAkA4lSkzSW/fowBBHdYDCwUXsM7L4ueKC14K9o1aI1XFnqMHIHlB
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vuxqWX9CW72wUjRnCuVVwpLSSV157slNiUtZAiEA/dQoR862lOBPW1iZ2FqqPGox
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/EGibRGL6u31qOXOzq8CIQD0vzkHz8advunoB/v/CmZp8vbvs5XhfjEF/MxH5NTM
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dQIgGr5UtCQidpMfqVcvdm0vDIh/1b0wmN9FZ65EuNPlsz8CIEXsrDqTHkfLV8C3
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J0QCkKgMhoiNYnD+QLtZMnQH6NRRAiBXp3A1LKPR95qR4Pz3SCYh36W+X/D/ehRe
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JzOq+X832g==
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-----END PRIVATE KEY-----`;
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const RSA_PUBKEY = `-----BEGIN PUBLIC KEY-----
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MFwwDQYJKoZIhvcNAQEBBQADSwAwSAJBAPKr0Dp6YdItzOfk6a7ma7L4BF4LnelM
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YKtboGLrk6ihtqFPZFRLNcJi68Hvnt8stMrP50t6jqwWQ2EjMdkj6fsCAwEAAQ==
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-----END PUBLIC KEY-----`;
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const EC_P256_PRIVKEY_SEC1 = `-----BEGIN EC PRIVATE KEY-----
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MHcCAQEEINtTjwUkgfAiSwqgcGAXWyE0ueIW6n2k395dmQZ3vGr4oAoGCCqGSM49
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AwEHoUQDQgAEDUc8A0EDNKoCYIPWMHz1yUzqE5mJgusgcAE8H6810fkJ8ZmTNiCC
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a6sLgR2vD1VNh2diirWgKPH4PVMKav5e6Q==
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-----END EC PRIVATE KEY-----`;
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const EC_P256_PRIVKEY_PKCS8 = `-----BEGIN PRIVATE KEY-----
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MIGHAgEAMBMGByqGSM49AgEGCCqGSM49AwEHBG0wawIBAQQg21OPBSSB8CJLCqBw
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YBdbITS54hbqfaTf3l2ZBne8avihRANCAAQNRzwDQQM0qgJgg9YwfPXJTOoTmYmC
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6yBwATwfrzXR+QnxmZM2IIJrqwuBHa8PVU2HZ2KKtaAo8fg9Uwpq/l7p
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-----END PRIVATE KEY-----`;
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const EC_P256_PUBKEY = `-----BEGIN PUBLIC KEY-----
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MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEDUc8A0EDNKoCYIPWMHz1yUzqE5mJ
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gusgcAE8H6810fkJ8ZmTNiCCa6sLgR2vD1VNh2diirWgKPH4PVMKav5e6Q==
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-----END PUBLIC KEY-----`;
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const DSA_PRIVKEY_TRAD = `-----BEGIN DSA PRIVATE KEY-----
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MIIDTQIBAAKCAQEAugtX67Pu8xhkIi7Bc2SBlrC8OBkAbVPsiIbTfRaCp6xE2dy6
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hRA6YAkKK43OSNU1JjTytpt7H9EiRYgu/E/3VKXOED23352nzunbfx5zEZrWwPat
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77LflE/sjE1Pffrfc23AYi1ncGqoCGgya7DDDFq7QTzPBih1NOXBNGnhBU+kwfV4
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kJQF4TNxY/llnWVE2FHkzZOrNJTfJrn/hzdr2sjzqH1UhWDDzJW/DfLrJyXOMAub
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ae0PmuKyR0xnqYyR9hDARsgZFMQtfoDstnSVfUKKyV6cX0BJvYTiDacZwxDS5IbM
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Dhb2Z/rDCY9LqLBfn5C7+LqMKbmLft9DUfkcdQIdAMD5Sc8czo9kSB8V6fx2NmmX
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9yXTkylaT52eKQUCggEANc5OkHDRYD5SKHEMb7qqozTmTFUxibPohFn/Tp99lIZU
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U3oHHWLSze+TMzlXwawqmQqRKTtXx9NCcAgiUya3Vjt9/6eDv5N9ii0yu+8RiWiV
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grTonZZahQDyIqnz6fny92iTL7Fma4aZy8ICiNUNsR5TbASpgTU/OscJI6g6IoHY
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/h86HK4X6rETyeTNREiDZGZJKSpY6ReJbIrJ+lRoH7hwSKynhOEQ0Q+Z2e0TW8uH
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avsQ4jGkTkPQ0DLbAUqp7eWN+ATpew9kqBUCC5ENWnN2YvpYNjsMz8FxLvbq/H6R
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fnlAOSzO95yto2KueKvZCsH9rQlCMXpjrbIaYbsYXwKCAQBpN+w0N0b5IIAspXnl
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J9yuB6ORk3j/5rZ+DUtTzW1YAJI6xjTcFQvN7FpVLkmLtXKUXF04R+sdGJ7VFwOb
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0rbaL5vQzrqNkBrbgSzuzeloiG+7OLA6VeQtNbQh6OurrZFi9gY+qA5ciT9kQXyr
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HudVXu956NDrooRxmv6JIVFvToaNiwe2vcgdkALw8HUbLFYof4SAE9jgU8EpxTp0
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2e8HzvVSVa6yj1nnGhpzLPlEqF8TZvs9pTg2kIk3/zvWojMJoPyTALfbTjbAeiFM
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MeKNK/CKOOJj23AVAZxpMSR6cUbrIcRdKDnhCTVkkxXUecAIUs6Mk10kSfkuiGl9
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LjKjAhwpK4MOpkKEu+y308fZ+yZXypZW2m9Y/wOT0L4g
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-----END DSA PRIVATE KEY-----`;
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const DSA_PRIVKEY_PKCS8 = `-----BEGIN PRIVATE KEY-----
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MIICXAIBADCCAjUGByqGSM44BAEwggIoAoIBAQC6C1frs+7zGGQiLsFzZIGWsLw4
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GQBtU+yIhtN9FoKnrETZ3LqFEDpgCQorjc5I1TUmNPK2m3sf0SJFiC78T/dUpc4Q
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PbffnafO6dt/HnMRmtbA9q3vst+UT+yMTU99+t9zbcBiLWdwaqgIaDJrsMMMWrtB
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PM8GKHU05cE0aeEFT6TB9XiQlAXhM3Fj+WWdZUTYUeTNk6s0lN8muf+HN2vayPOo
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fVSFYMPMlb8N8usnJc4wC5tp7Q+a4rJHTGepjJH2EMBGyBkUxC1+gOy2dJV9QorJ
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XpxfQEm9hOINpxnDENLkhswOFvZn+sMJj0uosF+fkLv4uowpuYt+30NR+Rx1Ah0A
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wPlJzxzOj2RIHxXp/HY2aZf3JdOTKVpPnZ4pBQKCAQA1zk6QcNFgPlIocQxvuqqj
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NOZMVTGJs+iEWf9On32UhlRTegcdYtLN75MzOVfBrCqZCpEpO1fH00JwCCJTJrdW
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O33/p4O/k32KLTK77xGJaJWCtOidllqFAPIiqfPp+fL3aJMvsWZrhpnLwgKI1Q2x
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HlNsBKmBNT86xwkjqDoigdj+HzocrhfqsRPJ5M1ESINkZkkpKljpF4lsisn6VGgf
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uHBIrKeE4RDRD5nZ7RNby4dq+xDiMaROQ9DQMtsBSqnt5Y34BOl7D2SoFQILkQ1a
|
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c3Zi+lg2OwzPwXEu9ur8fpF+eUA5LM73nK2jYq54q9kKwf2tCUIxemOtshphuxhf
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BB4CHCkrgw6mQoS77LfTx9n7JlfKllbab1j/A5PQviA=
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-----END PRIVATE KEY-----`;
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const DSA_PUBKEY = `-----BEGIN PUBLIC KEY-----
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MIIDQjCCAjUGByqGSM44BAEwggIoAoIBAQC6C1frs+7zGGQiLsFzZIGWsLw4GQBt
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U+yIhtN9FoKnrETZ3LqFEDpgCQorjc5I1TUmNPK2m3sf0SJFiC78T/dUpc4QPbff
|
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nafO6dt/HnMRmtbA9q3vst+UT+yMTU99+t9zbcBiLWdwaqgIaDJrsMMMWrtBPM8G
|
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KHU05cE0aeEFT6TB9XiQlAXhM3Fj+WWdZUTYUeTNk6s0lN8muf+HN2vayPOofVSF
|
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YMPMlb8N8usnJc4wC5tp7Q+a4rJHTGepjJH2EMBGyBkUxC1+gOy2dJV9QorJXpxf
|
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QEm9hOINpxnDENLkhswOFvZn+sMJj0uosF+fkLv4uowpuYt+30NR+Rx1Ah0AwPlJ
|
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zxzOj2RIHxXp/HY2aZf3JdOTKVpPnZ4pBQKCAQA1zk6QcNFgPlIocQxvuqqjNOZM
|
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VTGJs+iEWf9On32UhlRTegcdYtLN75MzOVfBrCqZCpEpO1fH00JwCCJTJrdWO33/
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p4O/k32KLTK77xGJaJWCtOidllqFAPIiqfPp+fL3aJMvsWZrhpnLwgKI1Q2xHlNs
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BKmBNT86xwkjqDoigdj+HzocrhfqsRPJ5M1ESINkZkkpKljpF4lsisn6VGgfuHBI
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rKeE4RDRD5nZ7RNby4dq+xDiMaROQ9DQMtsBSqnt5Y34BOl7D2SoFQILkQ1ac3Zi
|
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+lg2OwzPwXEu9ur8fpF+eUA5LM73nK2jYq54q9kKwf2tCUIxemOtshphuxhfA4IB
|
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BQACggEAaTfsNDdG+SCALKV55SfcrgejkZN4/+a2fg1LU81tWACSOsY03BULzexa
|
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VS5Ji7VylFxdOEfrHRie1RcDm9K22i+b0M66jZAa24Es7s3paIhvuziwOlXkLTW0
|
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Iejrq62RYvYGPqgOXIk/ZEF8qx7nVV7veejQ66KEcZr+iSFRb06GjYsHtr3IHZAC
|
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8PB1GyxWKH+EgBPY4FPBKcU6dNnvB871UlWuso9Z5xoacyz5RKhfE2b7PaU4NpCJ
|
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N/871qIzCaD8kwC32042wHohTDHijSvwijjiY9twFQGcaTEkenFG6yHEXSg54Qk1
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ZJMV1HnACFLOjJNdJEn5LohpfS4yow==
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-----END PUBLIC KEY-----`;
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const ED25519_PRIVKEY = `-----BEGIN PRIVATE KEY-----
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MC4CAQAwBQYDK2VwBCIEIC18vtoHINC8Mo9dTIqOrBs3J28ZvHrwzRq57g2kpV98
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-----END PRIVATE KEY-----`;
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/*
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const ED25519_PUBKEY = `-----BEGIN PUBLIC KEY-----
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MCowBQYDK2VwAyEAELP6AflXwsuZ5q4NDIO0LP2iCdKRvds4nwsUmRhOw3g=
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-----END PUBLIC KEY-----`;
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*/
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const ED448_PRIVKEY = `-----BEGIN PRIVATE KEY-----
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MEcCAQAwBQYDK2VxBDsEOWdGJ06bDcWznJhBoQqPeTfsCe+AvBv1n7KfIGYzR4tv
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1kcwHnbxlemnCMgqvbrRXaLuFUBysUZThA==
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-----END PRIVATE KEY-----`;
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/*
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const ED448_PUBKEY = `-----BEGIN PUBLIC KEY-----
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MEMwBQYDK2VxAzoAVN8kG0TMVyGOu/OvBTe8H0Wi4HJrQAlSv4XLwJbkuoi4EeRl
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EHQwXsNYLZTtY2Jra6AWhbVYYaEA
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-----END PUBLIC KEY-----`;
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*/
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TestRegister.addTests([
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{
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name: "Public Key from Private Key: Missing footer",
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input: RSA_PRIVKEY_PKCS1.substring(0, RSA_PRIVKEY_PKCS1.length / 2),
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expectedOutput: "PEM footer '-----END RSA PRIVATE KEY-----' not found",
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recipeConfig: [
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{
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op: "Public Key from Private Key",
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args: [],
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}
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],
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},
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// test RSA
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{
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name: "Public Key from Private Key: RSA PKCS#1",
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input: RSA_PRIVKEY_PKCS1,
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expectedOutput: (RSA_PUBKEY + "\n").replace(/\r/g, "").replace(/\n/g, "\r\n"),
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recipeConfig: [
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{
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op: "Public Key from Private Key",
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args: [],
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}
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],
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},
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{
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name: "Public Key from Private Key: RSA PKCS#8",
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input: RSA_PRIVKEY_PKCS8,
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expectedOutput: (RSA_PUBKEY + "\n").replace(/\r/g, "").replace(/\n/g, "\r\n"),
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recipeConfig: [
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{
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op: "Public Key from Private Key",
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args: [],
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}
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],
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},
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// test EC certificate
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{
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name: "Public Key from Private Key: EC SEC1",
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input: EC_P256_PRIVKEY_SEC1,
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expectedOutput: (EC_P256_PUBKEY + "\n").replace(/\r/g, "").replace(/\n/g, "\r\n"),
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recipeConfig: [
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{
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op: "Public Key from Private Key",
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args: [],
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}
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],
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},
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{
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name: "Public Key from Private Key: EC PKCS#8",
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input: EC_P256_PRIVKEY_PKCS8,
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expectedOutput: (EC_P256_PUBKEY + "\n").replace(/\r/g, "").replace(/\n/g, "\r\n"),
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recipeConfig: [
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{
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op: "Public Key from Private Key",
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args: [],
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}
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],
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},
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// test DSA
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{
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name: "Public Key from Private Key: DSA Traditional",
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input: DSA_PRIVKEY_TRAD,
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expectedOutput: (DSA_PUBKEY + "\n").replace(/\r/g, "").replace(/\n/g, "\r\n"),
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recipeConfig: [
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{
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op: "Public Key from Private Key",
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args: [],
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}
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],
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},
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{
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name: "Public Key from Private Key: DSA PKCS#8",
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input: DSA_PRIVKEY_PKCS8,
|
||||
expectedOutput: "DSA Private Key in PKCS#8 is not supported",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "Public Key from Private Key",
|
||||
args: [],
|
||||
}
|
||||
],
|
||||
},
|
||||
|
||||
// test EdDSA
|
||||
{
|
||||
name: "Public Key from Private Key: Ed25519",
|
||||
input: ED25519_PRIVKEY,
|
||||
expectedOutput: "Unsupported key type: Error: malformed PKCS8 private key(code:004)",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "Public Key from Private Key",
|
||||
args: [],
|
||||
}
|
||||
],
|
||||
},
|
||||
{
|
||||
name: "Public Key from Private Key: Ed448",
|
||||
input: ED448_PRIVKEY,
|
||||
expectedOutput: "Unsupported key type: Error: malformed PKCS8 private key(code:004)",
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "Public Key from Private Key",
|
||||
args: [],
|
||||
}
|
||||
],
|
||||
},
|
||||
|
||||
// test multi-input
|
||||
{
|
||||
name: "Public Key from Private Key: Multiple keys",
|
||||
input: RSA_PRIVKEY_PKCS8 + "\n" + EC_P256_PRIVKEY_PKCS8,
|
||||
expectedOutput: (RSA_PUBKEY + "\n" + EC_P256_PUBKEY + "\n").replace(/\r/g, "").replace(/\n/g, "\r\n"),
|
||||
recipeConfig: [
|
||||
{
|
||||
op: "Public Key from Private Key",
|
||||
args: [],
|
||||
}
|
||||
],
|
||||
}
|
||||
]);
|
||||
Loading…
Reference in New Issue
Block a user