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update: rm cf KEMkey & KeySharesParams in TLS13OnlyState

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These can be set and read via KeySharePrivateKeys. While the breakage is unfortunate for backwards compatibility, it is already unavoidable in one direction: the cloudflare kem key does not store the mlkem seed and is therefore incompatible with crypto/mlkem.
This commit is contained in:
Mingye Chen 2025-03-01 19:18:24 -07:00
parent 9fada94f7e
commit d24af4ae55
5 changed files with 55 additions and 146 deletions
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29
u_alias.go
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@ -1,5 +1,11 @@
package tls
import (
"crypto/ecdh"
"github.com/cloudflare/circl/kem"
)
// This file contains all the alias functions, symbols, names, etc. that
// was once used in the old version of the library. This is to ensure
// backwards compatibility with the old version of the library.
@ -10,3 +16,26 @@ package tls
//
// Deprecated: Use ExtendedMasterSecretExtension instead.
type UtlsExtendedMasterSecretExtension = ExtendedMasterSecretExtension
// Deprecated: Use KeySharePrivateKeys instead. This type is not used and will be removed in the future.
// KeySharesParameters serves as a in-memory storage for generated keypairs by UTLS when generating
// ClientHello. It is used to store both ecdhe and kem keypairs.
type KeySharesParameters struct{}
func NewKeySharesParameters() *KeySharesParameters { return &KeySharesParameters{} }
func (*KeySharesParameters) AddEcdheKeypair(curveID CurveID, ecdheKey *ecdh.PrivateKey, ecdhePubKey *ecdh.PublicKey) {
return
}
func (*KeySharesParameters) GetEcdheKey(curveID CurveID) (ecdheKey *ecdh.PrivateKey, ok bool) { return }
func (*KeySharesParameters) GetEcdhePubkey(curveID CurveID) (params *ecdh.PublicKey, ok bool) { return }
func (*KeySharesParameters) AddKemKeypair(curveID CurveID, kemKey kem.PrivateKey, kemPubKey kem.PublicKey) {
return
}
func (ksp *KeySharesParameters) GetKemKey(curveID CurveID) (kemKey kem.PrivateKey, ok bool) { return }
func (ksp *KeySharesParameters) GetKemPubkey(curveID CurveID) (params kem.PublicKey, ok bool) { return }