From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- .../extensions/internal/crypto-utils.sys.mjs | 41 ++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 toolkit/mozapps/extensions/internal/crypto-utils.sys.mjs (limited to 'toolkit/mozapps/extensions/internal/crypto-utils.sys.mjs') diff --git a/toolkit/mozapps/extensions/internal/crypto-utils.sys.mjs b/toolkit/mozapps/extensions/internal/crypto-utils.sys.mjs new file mode 100644 index 0000000000..d242948dfd --- /dev/null +++ b/toolkit/mozapps/extensions/internal/crypto-utils.sys.mjs @@ -0,0 +1,41 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +const CryptoHash = Components.Constructor( + "@mozilla.org/security/hash;1", + "nsICryptoHash", + "initWithString" +); + +/** + * Returns the string representation (hex) of the SHA256 hash of `input`. + * + * @param {string} input + * The value to hash. + * @returns {string} + * The hex representation of a SHA256 hash. + */ +export function computeSha256HashAsString(input) { + const data = new Uint8Array(new TextEncoder().encode(input)); + const crypto = CryptoHash("sha256"); + crypto.update(data, data.length); + return getHashStringForCrypto(crypto); +} + +/** + * Returns the string representation (hex) of a given CryptoHashInstance. + * + * @param {CryptoHash} aCrypto + * @returns {string} + * The hex representation of a SHA256 hash. + */ +export function getHashStringForCrypto(aCrypto) { + // return the two-digit hexadecimal code for a byte + let toHexString = charCode => ("0" + charCode.toString(16)).slice(-2); + + // convert the binary hash data to a hex string. + let binary = aCrypto.finish(/* base64 */ false); + let hash = Array.from(binary, c => toHexString(c.charCodeAt(0))); + return hash.join("").toLowerCase(); +} -- cgit v1.2.3