| 1 | var Transform = require('stream').Transform;
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| 2 | var inherits = require('inherits');
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| 3 |
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| 4 | module.exports = CipherBase;
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| 5 | inherits(CipherBase, Transform);
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| 6 | function CipherBase() {
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| 7 | Transform.call(this);
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| 8 | }
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| 9 | CipherBase.prototype.update = function (data, inputEnd, outputEnc) {
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| 10 | this.write(data, inputEnd);
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| 11 | var outData = new Buffer('');
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| 12 | var chunk;
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| 13 | while ((chunk = this.read())) {
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| 14 | outData = Buffer.concat([outData, chunk]);
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| 15 | }
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| 16 | if (outputEnc) {
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| 17 | outData = outData.toString(outputEnc);
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| 18 | }
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| 19 | return outData;
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| 20 | };
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| 21 | CipherBase.prototype.final = function (outputEnc) {
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| 22 | this.end();
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| 23 | var outData = new Buffer('');
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| 24 | var chunk;
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| 25 | while ((chunk = this.read())) {
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| 26 | outData = Buffer.concat([outData, chunk]);
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| 27 | }
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| 28 | if (outputEnc) {
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| 29 | outData = outData.toString(outputEnc);
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| 30 | }
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| 31 | return outData;
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| 32 | }; |
| \ | No newline at end of file |