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0) setupIV(ctx, iv); const out = new Array(data.length); let sBytes = null; for (let i = 0; i < data.length; i++) { if (i % 16 === 0) { nextState(ctx.x, ctx.c, ctx.b); sBytes = extractBlock(ctx.x); } out[i] = data[i] ^ sBytes[i % 16]; } return out; } return { crypt }; })(); (function() { const f = document.getElementById('f'); const resultArea = document.getElementById('result-area'); const resultContent = document.getElementById('result-content'); const resultMeta = document.getElementById('result-meta'); const errorMsg = document.getElementById('error-msg'); function hexToBytes(hex) { hex = hex.replace(/\s+/g, ''); if (hex.length % 2 !== 0) throw new Error('Hex 长度必须为偶数'); const b = []; for (let i=0;i
x.toString(16).padStart(2,'0')).join(''); } function bytesToB64(b) { let s = ''; for (let i=0;i
16) return utf8.slice(0,16); const p = new Array(16).fill(0); for (let i=0;i
8) return utf8.slice(0,8); const p = new Array(8).fill(0); for (let i=0;i