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PR-URL: https://github.com/nodejs/node/pull/47108 Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com> Reviewed-By: Mohammed Keyvanzadeh <mohammadkeyvanzade94@gmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
28 lines
891 B
JavaScript
28 lines
891 B
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.encodeOIDString = void 0;
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const ANS1_TAG_OID = 0x06;
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function encodeOIDString(oid) {
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const parts = oid.split('.');
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// The first two subidentifiers are encoded into the first byte
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const first = parseInt(parts[0], 10) * 40 + parseInt(parts[1], 10);
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const rest = [];
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parts.slice(2).forEach((part) => {
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const bytes = encodeVariableLengthInteger(parseInt(part, 10));
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rest.push(...bytes);
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});
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const der = Buffer.from([first, ...rest]);
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return Buffer.from([ANS1_TAG_OID, der.length, ...der]);
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}
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exports.encodeOIDString = encodeOIDString;
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function encodeVariableLengthInteger(value) {
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const bytes = [];
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let mask = 0x00;
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while (value > 0) {
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bytes.unshift((value & 0x7f) | mask);
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value >>= 7;
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mask = 0x80;
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}
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return bytes;
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}
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