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ec.js
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ec.js
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"use strict";
for (let i = 0; i < REPEAT; i++) {
describe("EC crypto", () => {
const subtle = {
native: nativeSubtle,
js: crypto.subtle,
}
const cryptoType = ["native", "js"];
const keys = [];
["ECDSA", "ECDH"].forEach(algName => {
["P-256", "P-384", "P-521"].forEach(namedCurve => {
var keyUsage = algName === "ECDSA" ? ["sign", "verify"] : ["deriveKey", "deriveBits"];
let key = {};
key.name = `${algName} ${namedCurve}`;
key.algorithm = { name: algName, namedCurve: namedCurve };
key.usages = keyUsage;
keys.push(key);
});
});
context("generateKey/import/export", done =>
keys.forEach(key =>
["native", "js"].forEach(type =>
it(`${key.name} type:${type}`, done => {
const revType = type === "native" ? "js" : "native";
console.log(key.algorithm, true, key.usages)
subtle[type].generateKey(key.algorithm, true, key.usages)
.then(k => {
if (type === "native")
key[type] = k;
let propmises = ["privateKey", "publicKey"].map(keyType => {
return subtle[type].exportKey("jwk", k[keyType])
.then(jwk => {
console.log(jwk);
return subtle[revType].importKey("jwk", jwk, key.algorithm, true, jwk.key_ops)
})
.then(k => {
assert.equal(!!k, true);
if (type === "native") {
key[revType] = key[revType] || {};
key[revType][keyType] = k;
}
return Promise.resolve();
})
})
return Promise.all(propmises);
})
.then(() =>
done()
)
.catch(done)
}).timeout(60e3)
)
)
);
context("sign/verify", () =>
keys.filter(key => key.algorithm.name === "ECDSA").forEach(key =>
["SHA-1", "SHA-256"].forEach(hash =>
["native", "js"].forEach(type =>
it(`${key.name} type:${type} hash:${hash}`, done => {
const revType = type === "native" ? "js" : "native";
const data = crypto.getRandomValues(new Uint8Array(16));
let alg = { name: key.algorithm.name, hash };
subtle[type].sign(alg, key[type].privateKey, data)
.then(signature => {
assert.equal(!!signature, true);
return subtle[revType].verify(alg, key[revType].publicKey, signature, data);
})
.then(verify => {
assert.equal(verify, true);
done();
})
.catch(done);
})
)
)
)
)
context("deriveBits", () =>
keys.filter(key => key.algorithm.name === "ECDH").forEach(key =>
[128, 192, 256].forEach(len =>
it(`${key.name} length:${len}`, done => {
let subtle = {
native: nativeSubtle,
js: crypto.subtle
}
let bits = {};
const promises = ["native", "js"].map(type =>
subtle[type].deriveBits({ name: "ECDH", public: key[type].publicKey }, key[type].privateKey, len)
.then(b => {
assert.equal(!!b, true);
bits[type] = new Uint8Array(b);
return Promise.resolve();
})
)
Promise.all(promises)
.then(() => {
bits["js"].forEach((bit, index) => assert(bits["native"][index] === bit, true, `Bits JS <> Native (${bits["native"][index]} : ${bit})`));
done();
})
.catch(done);
})
)
)
)
})
}