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crypto/internal/mlkem768: add EncapsulationKey type

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Change-Id: I3feacb044caa15ac9bbfc11f5d90bebf8a505510
Reviewed-on: https://go-review.googlesource.com/c/go/+/621980
Auto-Submit: Filippo Valsorda <filippo@golang.org>
Reviewed-by: Roland Shoemaker <roland@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
Reviewed-by: Russ Cox <rsc@golang.org>
This commit is contained in:
Filippo Valsorda 2024-10-21 14:30:46 +02:00 • committed by Gopher Robot
parent 3e14e25cf0
commit 5a893857d7
3 changed files with 8 additions and 7 deletions
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4
handshake_client.go
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@ -164,7 +164,7 @@ func (c *Conn) makeClientHello() (*clientHelloMsg, *keySharePrivateKeys, *echCon
if _, err := io.ReadFull(config.rand(), seed); err != nil {
return nil, nil, nil, err
}
keyShareKeys.kyber, err = mlkem768.NewKeyFromSeed(seed)
keyShareKeys.kyber, err = mlkem768.NewDecapsulationKey(seed)
if err != nil {
return nil, nil, nil, err
}
@ -174,7 +174,7 @@ func (c *Conn) makeClientHello() (*clientHelloMsg, *keySharePrivateKeys, *echCon
// both, as allowed by draft-ietf-tls-hybrid-design-09, Section 3.2.
hello.keyShares = []keyShare{
{group: x25519Kyber768Draft00, data: append(keyShareKeys.ecdhe.PublicKey().Bytes(),
keyShareKeys.kyber.EncapsulationKey()...)},
keyShareKeys.kyber.EncapsulationKey().Bytes()...)},
{group: X25519, data: keyShareKeys.ecdhe.PublicKey().Bytes()},
}
} else {