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On Node, HexEncoder.stringify now uses Buffer.toString('hex')

pull/221/head
Jim Harkins 2025-07-07 09:02:53 -07:00 zatwierdzone przez jimh
rodzic f7266b0740
commit ca41c7df5a
1 zmienionych plików z 74 dodań i 36 usunięć
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110
lib/cryptoEngine.js
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@ -1,4 +1,5 @@
const crypto = typeof window === "undefined" ? require("node:crypto").webcrypto : window.crypto;
const isNode = typeof window === "undefined";
const crypto = isNode ? require("node:crypto").webcrypto : window.crypto;
const { subtle } = crypto;
const IV_BITS = 16 * 8;
@ -9,44 +10,81 @@ const ENCRYPTION_ALGO = "AES-CBC";
* Translates between utf8 encoded hexadecimal strings
* and Uint8Array bytes.
*/
const HexEncoder = {
/**
* hex string -> bytes
* @param {string} hexString
* @returns {Uint8Array}
*/
parse: function (hexString) {
if (hexString.length % 2 !== 0) throw "Invalid hexString";
const arrayBuffer = new Uint8Array(hexString.length / 2);
const HexEncoder = isNode
? {
// Node version
for (let i = 0; i < hexString.length; i += 2) {
const byteValue = parseInt(hexString.substring(i, i + 2), 16);
if (isNaN(byteValue)) {
throw "Invalid hexString";
}
arrayBuffer[i / 2] = byteValue;
}
return arrayBuffer;
},
/**
* hex string -> bytes
* @param {string} hexString
* @returns {Uint8Array}
*/
parse: function (hexString) {
if (hexString.length % 2 !== 0) throw "Invalid hexString";
const arrayBuffer = new Uint8Array(hexString.length / 2);
/**
* bytes -> hex string
* @param {Uint8Array} bytes
* @returns {string}
*/
stringify: function (bytes) {
const hexBytes = [];
for (let i = 0; i < hexString.length; i += 2) {
const byteValue = parseInt(hexString.substring(i, i + 2), 16);
if (isNaN(byteValue)) {
throw "Invalid hexString";
}
arrayBuffer[i / 2] = byteValue;
}
return arrayBuffer;
},
for (let i = 0; i < bytes.length; ++i) {
let byteString = bytes[i].toString(16);
if (byteString.length < 2) {
byteString = "0" + byteString;
}
hexBytes.push(byteString);
}
return hexBytes.join("");
},
};
/**
* bytes -> hex string
* @param {Uint8Array} bytes
* @returns {string}
*/
stringify: function (bytes) {
const buffer = Buffer.from(bytes);
const hexString = buffer.toString("hex");
return hexString;
},
}
: {
// Browser version
/**
* hex string -> bytes
* @param {string} hexString
* @returns {Uint8Array}
*/
parse: function (hexString) {
if (hexString.length % 2 !== 0) throw "Invalid hexString";
const arrayBuffer = new Uint8Array(hexString.length / 2);
for (let i = 0; i < hexString.length; i += 2) {
const byteValue = parseInt(hexString.substring(i, i + 2), 16);
if (isNaN(byteValue)) {
throw "Invalid hexString";
}
arrayBuffer[i / 2] = byteValue;
}
return arrayBuffer;
},
/**
* bytes -> hex string
* @param {Uint8Array} bytes
* @returns {string}
*/
stringify: function (bytes) {
const hexBytes = [];
for (let i = 0; i < bytes.length; ++i) {
let byteString = bytes[i].toString(16);
if (byteString.length < 2) {
byteString = "0" + byteString;
}
hexBytes.push(byteString);
}
return hexBytes.join("");
},
};
/**
* Translates between utf8 strings and Uint8Array bytes.