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use the optimized HKDF-Expand-Label everywhere

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This commit is contained in:
Marten Seemann
2020-04-09 08:33:59 +07:00
parent 10137b0c9b
commit 6bb11abcd7
2 changed files with 3 additions and 3 deletions
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4
internal/handshake/aead.go
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@@ -9,8 +9,8 @@ import (
) )
func createAEAD(suite *qtls.CipherSuiteTLS13, trafficSecret []byte) cipher.AEAD { func createAEAD(suite *qtls.CipherSuiteTLS13, trafficSecret []byte) cipher.AEAD {
key := qtls.HkdfExpandLabel(suite.Hash, trafficSecret, []byte{}, "quic key", suite.KeyLen) key := hkdfExpandLabel(suite.Hash, trafficSecret, []byte{}, "quic key", suite.KeyLen)
iv := qtls.HkdfExpandLabel(suite.Hash, trafficSecret, []byte{}, "quic iv", suite.IVLen()) iv := hkdfExpandLabel(suite.Hash, trafficSecret, []byte{}, "quic iv", suite.IVLen())
return suite.AEAD(key, iv) return suite.AEAD(key, iv)
} }

2
internal/handshake/updatable_aead.go
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@@ -115,7 +115,7 @@ func (a *updatableAEAD) rollKeys(now time.Time) {
} }
func (a *updatableAEAD) getNextTrafficSecret(hash crypto.Hash, ts []byte) []byte { func (a *updatableAEAD) getNextTrafficSecret(hash crypto.Hash, ts []byte) []byte {
return qtls.HkdfExpandLabel(hash, ts, []byte{}, "quic ku", hash.Size()) return hkdfExpandLabel(hash, ts, []byte{}, "quic ku", hash.Size())
} }
// For the client, this function is called before SetWriteKey. // For the client, this function is called before SetWriteKey.