11 lines
474 B
TypeScript
11 lines
474 B
TypeScript
export function encode(str : string, key : string) : string {
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return Buffer.from(Array.from(
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str,
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(c : string, i) => String.fromCharCode(c.charCodeAt(0) ^ key.charCodeAt(i % key.length))
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).join('')).toString('base64');
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}
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export function decode(str : string, key : string) : string {
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str = Buffer.from(str, 'base64').toString('utf8');
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return Array(str.length).fill(0).map((_, i) => String.fromCharCode(str.charCodeAt(i) ^ key.charCodeAt(i % key.length))).join('');
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} |