@wault-pw/srp6a-webcrypto/cypress/unit/client_spec.ts

Pure javascript implementation of SRP-6a (RFC-5054, RFC-2945) using web-crypto

import {SrpClient} from "@/client"
import {RFC5054b1024Sha1, RFC5054b8192Sha1} from "@/rfc5054"

describe('SrpClient', () => {
    describe('randomSalt', () => {
        it('uses size of N', async () => {
            const client1 = new SrpClient("foo", "bar", RFC5054b1024Sha1)
            const client2 = new SrpClient("foo", "bar", RFC5054b8192Sha1)

            const salt1 = await client1.randomSalt()
            const salt2 = await client2.randomSalt()

            expect(salt1).to.have.length(1024 >> 3)
            expect(salt2).to.have.length(8192 >> 3)
        })

        it('generates a random', async () => {
            const client1 = new SrpClient("foo", "bar", RFC5054b1024Sha1)
            const client2 = new SrpClient("foo", "bar", RFC5054b1024Sha1)

            const salt1 = await client1.randomSalt()
            const salt2 = await client2.randomSalt()

            expect(salt1).not.to.deep.eq(salt2)
        })
    })
})