diff options
Diffstat (limited to 'device/noise-helpers.go')
| -rw-r--r-- | device/noise-helpers.go | 27 |
1 files changed, 0 insertions, 27 deletions
diff --git a/device/noise-helpers.go b/device/noise-helpers.go index f5e4b4b..ae52a7d 100644 --- a/device/noise-helpers.go +++ b/device/noise-helpers.go @@ -7,12 +7,10 @@ package device import ( "crypto/hmac" - "crypto/rand" "crypto/subtle" "hash" "golang.org/x/crypto/blake2s" - "golang.org/x/crypto/curve25519" ) /* KDF related functions. @@ -75,28 +73,3 @@ func setZero(arr []byte) { arr[i] = 0 } } - -func (sk *NoisePrivateKey) clamp() { - sk[0] &= 248 - sk[31] = (sk[31] & 127) | 64 -} - -func newPrivateKey() (sk NoisePrivateKey, err error) { - _, err = rand.Read(sk[:]) - sk.clamp() - return -} - -func (sk *NoisePrivateKey) publicKey() (pk NoisePublicKey) { - apk := (*[NoisePublicKeySize]byte)(&pk) - ask := (*[NoisePrivateKeySize]byte)(sk) - curve25519.ScalarBaseMult(apk, ask) - return -} - -func (sk *NoisePrivateKey) sharedSecret(pk NoisePublicKey) (ss [NoisePublicKeySize]byte) { - apk := (*[NoisePublicKeySize]byte)(&pk) - ask := (*[NoisePrivateKeySize]byte)(sk) - curve25519.ScalarMult(&ss, ask, apk) - return ss -} |