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https://github.com/refraction-networking/uquic.git
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816019b94e
The standard library uses cryptobyte.Builder in hkdfExpandLabel. This costs quite a bit of performance. Using an optimized implementation speeds up the initialization of the AEAD used for the Initial encryption level by ~15%.
31 lines
755 B
Go
31 lines
755 B
Go
package handshake
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import (
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"crypto"
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"crypto/rand"
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mrand "math/rand"
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"github.com/marten-seemann/qtls"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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var _ = Describe("Initial AEAD using AES-GCM", func() {
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It("gets the same results as qtls", func() {
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for i := 0; i < 20; i++ {
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secret := make([]byte, 32)
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rand.Read(secret)
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context := make([]byte, mrand.Intn(100))
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rand.Read(context)
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labelB := make([]byte, mrand.Intn(100))
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rand.Read(labelB)
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label := string(labelB)
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length := mrand.Intn(100)
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expanded := hkdfExpandLabel(crypto.SHA256, secret, context, label, length)
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expandedQTLS := qtls.HkdfExpandLabel(crypto.SHA256, secret, context, label, length)
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Expect(expanded).To(Equal(expandedQTLS))
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}
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})
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})
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