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# Conflicts: # jsowell-ui/.env.development # jsowell-ui/.env.staging # jsowell-ui/bin/build-sit.bat # jsowell-ui/bin/build.bat # jsowell-ui/src/api/adapayMember/adapayMember.js # jsowell-ui/src/api/pile/merchant.js # jsowell-ui/src/router/index.js # jsowell-ui/src/views/financial/financeDetail.vue # jsowell-ui/src/views/financial/merchant.vue # jsowell-ui/src/views/homeIndex/homeIndex.vue # jsowell-ui/src/views/login.vue # jsowell-ui/src/views/pile/basic/detail.vue # jsowell-ui/src/views/pile/station/components/SiteInfo.vue # jsowell-ui/src/views/pile/station/detail.vue # jsowell-ui/src/views/pile/station/orderReport.vue
51 lines
1.2 KiB
Markdown
51 lines
1.2 KiB
Markdown
node-asn1 is a library for encoding and decoding ASN.1 datatypes in pure JS.
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Currently BER encoding is supported; at some point I'll likely have to do DER.
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## Usage
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Mostly, if you're *actually* needing to read and write ASN.1, you probably don't
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need this readme to explain what and why. If you have no idea what ASN.1 is,
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see this: ftp://ftp.rsa.com/pub/pkcs/ascii/layman.asc
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The source is pretty much self-explanatory, and has read/write methods for the
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common types out there.
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### Decoding
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The following reads an ASN.1 sequence with a boolean.
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var Ber = require('asn1').Ber;
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var reader = new Ber.Reader(Buffer.from([0x30, 0x03, 0x01, 0x01, 0xff]));
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reader.readSequence();
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console.log('Sequence len: ' + reader.length);
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if (reader.peek() === Ber.Boolean)
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console.log(reader.readBoolean());
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### Encoding
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The following generates the same payload as above.
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var Ber = require('asn1').Ber;
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var writer = new Ber.Writer();
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writer.startSequence();
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writer.writeBoolean(true);
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writer.endSequence();
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console.log(writer.buffer);
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## Installation
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npm install asn1
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## License
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MIT.
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## Bugs
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See <https://github.com/joyent/node-asn1/issues>.
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