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crypto/internal/mlkem768: unexport encryptionKey.A 

Change-Id: I001e48dbb476e590cd84194f386bf5ea4cc1a1b3
Reviewed-on: https://go-review.googlesource.com/c/go/+/621976
Reviewed-by: Daniel McCarney <daniel@binaryparadox.net>
Reviewed-by: Russ Cox <rsc@golang.org>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
This commit is contained in:
Filippo Valsorda 2024-10-21 15:29:32 +02:00 committed by Gopher Robot
parent 40e62d63a3
commit 9656f9296e
1 changed files with 4 additions and 4 deletions
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8
src/crypto/internal/mlkem768/mlkem768.go
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@ -100,7 +100,7 @@ func (dk *DecapsulationKey) encapsulationKey(b []byte) []byte {
// encryptionKey is the parsed and expanded form of a PKE encryption key.
type encryptionKey struct {
t [k]nttElement // ByteDecode₁₂(ek[:384k])
A [k * k]nttElement // A[i*k+j] = sampleNTT(ρ, j, i)
a [k * k]nttElement // A[i*k+j] = sampleNTT(ρ, j, i)
}
// decryptionKey is the parsed and expanded form of a PKE decryption key.
@ -164,7 +164,7 @@ func kemKeyGen(dk *DecapsulationKey, d, z *[32]byte) *DecapsulationKey {
ρ, σ := G[:32], G[32:]
dk.ρ = [32]byte(ρ)
A := &dk.A
A := &dk.a
for i := byte(0); i < k; i++ {
for j := byte(0); j < k; j++ {
A[i*k+j] = sampleNTT(ρ, j, i)
@ -266,7 +266,7 @@ func parseEK(ex *encryptionKey, ekPKE []byte) error {
for i := byte(0); i < k; i++ {
for j := byte(0); j < k; j++ {
ex.A[i*k+j] = sampleNTT(ρ, j, i)
ex.a[i*k+j] = sampleNTT(ρ, j, i)
}
}
@ -295,7 +295,7 @@ func pkeEncrypt(cc *[CiphertextSize]byte, ex *encryptionKey, m *[messageSize]byt
u[i] = e1[i]
for j := range r {
// Note that i and j are inverted, as we need the transposed of A.
u[i] = polyAdd(u[i], inverseNTT(nttMul(ex.A[j*k+i], r[j])))
u[i] = polyAdd(u[i], inverseNTT(nttMul(ex.a[j*k+i], r[j])))
}
}