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86d333ee94
* chore: Switch to Node 20 + Vitest * chore: migrate to vitest mock functions * chore: code style (switch to prettier) * test: re-enable long-running test Seems the switch to Node 20 and Vitest has vastly improved the code's and / or the test's runtime! see #1193 * chore: code style * chore: fix failing tests * Updated Documentation in README.md * Update contribution guidelines to state usage of Prettier * fix: set prettier printWidth back to 80 * chore: apply updated code style automatically * fix: set prettier line endings to lf again * chore: apply updated code style automatically --------- Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com> Co-authored-by: Lars Müller <34514239+appgurueu@users.noreply.github.com>
23 lines
649 B
JavaScript
23 lines
649 B
JavaScript
/**
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* @function XORCipher
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* @description - Encrypt using an XOR cipher
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* The XOR cipher is a type of additive cipher.
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* Each character is bitwise XORed with the key.
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* We loop through the input string, XORing each
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* character with the key.
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* @param {string} str - string to be encrypted
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* @param {number} key - key for encryption
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* @return {string} encrypted string
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*/
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const XORCipher = (str, key) => {
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if (typeof str !== 'string' || !Number.isInteger(key)) {
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throw new TypeError('Arguments type are invalid')
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}
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return str.replace(/./g, (char) =>
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String.fromCharCode(char.charCodeAt() ^ key)
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)
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}
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export default XORCipher
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