ipfs storage for images and other nontext items. for use with etica - runs on etica network and currencys
https://collect.etica-stats.org
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31 lines
992 B
31 lines
992 B
"use strict"; |
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Object.defineProperty(exports, "__esModule", { value: true }); |
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exports.pkcs7Strip = exports.pkcs7Pad = void 0; |
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function pkcs7Pad(data) { |
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const padder = 16 - (data.length % 16); |
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const result = new Uint8Array(data.length + padder); |
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result.set(data); |
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for (let i = data.length; i < result.length; i++) { |
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result[i] = padder; |
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} |
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return result; |
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} |
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exports.pkcs7Pad = pkcs7Pad; |
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function pkcs7Strip(data) { |
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if (data.length < 16) { |
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throw new TypeError('PKCS#7 invalid length'); |
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} |
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const padder = data[data.length - 1]; |
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if (padder > 16) { |
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throw new TypeError('PKCS#7 padding byte out of range'); |
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} |
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const length = data.length - padder; |
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for (let i = 0; i < padder; i++) { |
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if (data[length + i] !== padder) { |
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throw new TypeError('PKCS#7 invalid padding byte'); |
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} |
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} |
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return new Uint8Array(data.subarray(0, length)); |
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} |
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exports.pkcs7Strip = pkcs7Strip; |
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//# sourceMappingURL=padding.js.map
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