go/src/crypto/elliptic/elliptic.go

type Curve …

var mask …

// GenerateKey returns a public/private key pair. The private key is
// generated using the given reader, which must return random data.
//
// Deprecated: for ECDH, use the GenerateKey methods of the [crypto/ecdh] package;
// for ECDSA, use the GenerateKey function of the crypto/ecdsa package.
func GenerateKey(curve Curve, rand io.Reader) (priv []byte, x, y *big.Int, err error) { … }

// Marshal converts a point on the curve into the uncompressed form specified in
// SEC 1, Version 2.0, Section 2.3.3. If the point is not on the curve (or is
// the conventional point at infinity), the behavior is undefined.
//
// Deprecated: for ECDH, use the crypto/ecdh package. This function returns an
// encoding equivalent to that of PublicKey.Bytes in crypto/ecdh.
func Marshal(curve Curve, x, y *big.Int) []byte { … }

// MarshalCompressed converts a point on the curve into the compressed form
// specified in SEC 1, Version 2.0, Section 2.3.3. If the point is not on the
// curve (or is the conventional point at infinity), the behavior is undefined.
func MarshalCompressed(curve Curve, x, y *big.Int) []byte { … }

type unmarshaler …

var _ …

// Unmarshal converts a point, serialized by [Marshal], into an x, y pair. It is
// an error if the point is not in uncompressed form, is not on the curve, or is
// the point at infinity. On error, x = nil.
//
// Deprecated: for ECDH, use the crypto/ecdh package. This function accepts an
// encoding equivalent to that of the NewPublicKey methods in crypto/ecdh.
func Unmarshal(curve Curve, data []byte) (x, y *big.Int) { … }

// UnmarshalCompressed converts a point, serialized by [MarshalCompressed], into
// an x, y pair. It is an error if the point is not in compressed form, is not
// on the curve, or is the point at infinity. On error, x = nil.
func UnmarshalCompressed(curve Curve, data []byte) (x, y *big.Int) { … }

func panicIfNotOnCurve(curve Curve, x, y *big.Int) { … }

var initonce …

func initAll() { … }

// P224 returns a [Curve] which implements NIST P-224 (FIPS 186-3, section D.2.2),
// also known as secp224r1. The CurveParams.Name of this [Curve] is "P-224".
//
// Multiple invocations of this function will return the same value, so it can
// be used for equality checks and switch statements.
//
// The cryptographic operations are implemented using constant-time algorithms.
func P224() Curve { … }

// P256 returns a [Curve] which implements NIST P-256 (FIPS 186-3, section D.2.3),
// also known as secp256r1 or prime256v1. The CurveParams.Name of this [Curve] is
// "P-256".
//
// Multiple invocations of this function will return the same value, so it can
// be used for equality checks and switch statements.
//
// The cryptographic operations are implemented using constant-time algorithms.
func P256() Curve { … }

// P384 returns a [Curve] which implements NIST P-384 (FIPS 186-3, section D.2.4),
// also known as secp384r1. The CurveParams.Name of this [Curve] is "P-384".
//
// Multiple invocations of this function will return the same value, so it can
// be used for equality checks and switch statements.
//
// The cryptographic operations are implemented using constant-time algorithms.
func P384() Curve { … }

// P521 returns a [Curve] which implements NIST P-521 (FIPS 186-3, section D.2.5),
// also known as secp521r1. The CurveParams.Name of this [Curve] is "P-521".
//
// Multiple invocations of this function will return the same value, so it can
// be used for equality checks and switch statements.
//
// The cryptographic operations are implemented using constant-time algorithms.
func P521() Curve { … }