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cose-js
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JavaScript implementation of COSE, RFC8152
const cose = require('cose-js');
try {
const plaintext = 'Important message!';
const headers = {
p: { alg: 'SHA-256_64' },
u: { kid: 'our-secret' }
};
const recipent = {
key: Buffer.from('231f4c4d4d3051fdc2ec0a3851d5b383', 'hex')
};
const buf = await cose.mac.create(headers, plaintext, recipent);
console.log('MACed message: ' + buf.toString('hex'));
} catch (error) {
console.log(error);
}
const cose = require('cose-js');
try {
const key = Buffer.from('231f4c4d4d3051fdc2ec0a3851d5b383', 'hex');
const COSEMessage = Buffer.from('d18443a10104a1044a6f75722d73656372657472496d706f7274616e74206d65737361676521488894981d4aa5d614', 'hex');
const buf = await cose.mac.read(COSEMessage, key);
console.log('Verified message: ' + buf.toString('utf8'));
} catch (error) {
console.log(error);
}
const cose = require('cose-js');
try {
const plaintext = 'Important message!';
const headers = {
p: { alg: 'ES256' },
u: { kid: '11' }
};
const signer = {
key: {
d: Buffer.from('6c1382765aec5358f117733d281c1c7bdc39884d04a45a1e6c67c858bc206c19', 'hex')
}
};
const buf = await cose.sign.create(headers, plaintext, signer);
console.log('Signed message: ' + buf.toString('hex'));
} catch (error) {
console.log(error);
}
const cose = require('cose-js');
try {
const verifier = {
key: {
x: Buffer.from('143329cce7868e416927599cf65a34f3ce2ffda55a7eca69ed8919a394d42f0f', 'hex'),
y: Buffer.from('60f7f1a780d8a783bfb7a2dd6b2796e8128dbbcef9d3d168db9529971a36e7b9', 'hex')
}
};
const COSEMessage = Buffer.from('d28443a10126a10442313172496d706f7274616e74206d6573736167652158404c2b6b66dfedc4cfef0f221cf7ac7f95087a4c4245fef0063a0fd4014b670f642d31e26d38345bb4efcdc7ded3083ab4fe71b62a23f766d83785f044b20534f9', 'hex');
const buf = await cose.sign.verify(COSEMessage, verifier);
console.log('Verified message: ' + buf.toString('utf8'));
} catch (error) {
console.log(error);
}
const cose = require('cose-js');
try {
const plaintext = 'Secret message!';
const headers = {
p: { alg: 'A128GCM' },
u: { kid: 'our-secret' }
};
const recipient = {
key: Buffer.from('231f4c4d4d3051fdc2ec0a3851d5b383', 'hex')
};
const buf = await cose.encrypt.create(headers, plaintext, recipient);
console.log('Encrypted message: ' + buf.toString('hex'));
} catch (error) {
console.log(error);
}
const cose = require('cose-js');
try {
const key = Buffer.from('231f4c4d4d3051fdc2ec0a3851d5b383', 'hex');
const COSEMessage = Buffer.from('d8608443a10101a2044a6f75722d736563726574054c291a40271067ff57b1623c30581f23b663aaf9dfb91c5a39a175118ad7d72d416385b1b610e28b3b3fd824a397818340a040', 'hex');
const buf = await cose.encrypt.read(COSEMessage, key);
console.log('Protected message: ' + buf.toString('utf8'));
} catch (error) {
console.log(error);
}
npm install cose-js --save
npm test
FAQs
JavaScript COSE implementation
The npm package cose-js receives a total of 1,871 weekly downloads. As such, cose-js popularity was classified as popular.
We found that cose-js demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 2 open source maintainers collaborating on the project.
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Streamline your login process and enhance security by enabling Single Sign-On (SSO) on the Socket platform, now available for all customers on the Enterprise plan, supporting 20+ identity providers.
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