24 lines
584 B
JavaScript
24 lines
584 B
JavaScript
//#region src/pad-zeropadding.ts
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/**
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* Zero padding strategy.
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*/
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const ZeroPadding = {
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pad(data, blockSize) {
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const _data = data;
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const blockSizeBytes = blockSize * 4;
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_data.clamp();
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_data.sigBytes += blockSizeBytes - (data.sigBytes % blockSizeBytes || blockSizeBytes);
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},
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unpad(data) {
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const _data = data;
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const dataWords = _data.words;
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for (let i = _data.sigBytes - 1; i >= 0; i -= 1) if (dataWords[i >>> 2] >>> 24 - i % 4 * 8 & 255) {
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_data.sigBytes = i + 1;
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break;
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}
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}
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};
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//#endregion
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export { ZeroPadding };
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//# sourceMappingURL=pad-zeropadding.mjs.map
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