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Updates to GitHub Actions versions
Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alex@openfaas.com>
This commit is contained in:
39
gateway/vendor/golang.org/x/crypto/curve25519/curve25519.go
generated
vendored
39
gateway/vendor/golang.org/x/crypto/curve25519/curve25519.go
generated
vendored
@ -6,9 +6,11 @@
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// performs scalar multiplication on the elliptic curve known as Curve25519.
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// See RFC 7748.
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//
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// Starting in Go 1.20, this package is a wrapper for the X25519 implementation
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// This package is a wrapper for the X25519 implementation
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// in the crypto/ecdh package.
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package curve25519 // import "golang.org/x/crypto/curve25519"
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package curve25519
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import "crypto/ecdh"
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// ScalarMult sets dst to the product scalar * point.
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//
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@ -16,7 +18,13 @@ package curve25519 // import "golang.org/x/crypto/curve25519"
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// zeroes, irrespective of the scalar. Instead, use the X25519 function, which
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// will return an error.
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func ScalarMult(dst, scalar, point *[32]byte) {
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scalarMult(dst, scalar, point)
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if _, err := x25519(dst, scalar[:], point[:]); err != nil {
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// The only error condition for x25519 when the inputs are 32 bytes long
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// is if the output would have been the all-zero value.
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for i := range dst {
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dst[i] = 0
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}
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}
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}
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// ScalarBaseMult sets dst to the product scalar * base where base is the
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@ -25,7 +33,12 @@ func ScalarMult(dst, scalar, point *[32]byte) {
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// It is recommended to use the X25519 function with Basepoint instead, as
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// copying into fixed size arrays can lead to unexpected bugs.
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func ScalarBaseMult(dst, scalar *[32]byte) {
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scalarBaseMult(dst, scalar)
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curve := ecdh.X25519()
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priv, err := curve.NewPrivateKey(scalar[:])
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if err != nil {
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panic("curve25519: internal error: scalarBaseMult was not 32 bytes")
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}
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copy(dst[:], priv.PublicKey().Bytes())
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}
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const (
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@ -57,3 +70,21 @@ func X25519(scalar, point []byte) ([]byte, error) {
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var dst [32]byte
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return x25519(&dst, scalar, point)
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}
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func x25519(dst *[32]byte, scalar, point []byte) ([]byte, error) {
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curve := ecdh.X25519()
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pub, err := curve.NewPublicKey(point)
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if err != nil {
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return nil, err
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}
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priv, err := curve.NewPrivateKey(scalar)
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if err != nil {
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return nil, err
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}
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out, err := priv.ECDH(pub)
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if err != nil {
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return nil, err
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}
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copy(dst[:], out)
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return dst[:], nil
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}
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