ed25519
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Documentation¶
Overview¶
Package ed25519 implements the Ed25519 signature algorithm.
These functions are also compatible with the “Ed25519” function defined inRFC 8032. However, unlikeRFC 8032's formulation, this package's private keyrepresentation includes a public key suffix to make multiple signingoperations with the same key more efficient. This package refers to theRFC8032 private key as the “seed”.
The ed25519 package is a wrapper for the Ed25519 implementation in thecrypto/ed25519 package. It isfrozen and is not accepting new features.
Index¶
Constants¶
const (// PublicKeySize is the size, in bytes, of public keys as used in this package.PublicKeySize = 32// PrivateKeySize is the size, in bytes, of private keys as used in this package.PrivateKeySize = 64// SignatureSize is the size, in bytes, of signatures generated and verified by this package.SignatureSize = 64// SeedSize is the size, in bytes, of private key seeds. These are the private key representations used byRFC 8032.SeedSize = 32)
Variables¶
This section is empty.
Functions¶
funcGenerateKey¶
func GenerateKey(randio.Reader) (PublicKey,PrivateKey,error)
GenerateKey generates a public/private key pair using entropy from rand.If rand is nil, crypto/rand.Reader will be used.
funcSign¶
func Sign(privateKeyPrivateKey, message []byte) []byte
Sign signs the message with privateKey and returns a signature. It willpanic if len(privateKey) is not PrivateKeySize.
Types¶
typePrivateKey¶
type PrivateKey =ed25519.PrivateKey
PrivateKey is the type of Ed25519 private keys. It implements crypto.Signer.
This type is an alias for crypto/ed25519's PrivateKey type.See the crypto/ed25519 package for the methods on this type.
funcNewKeyFromSeed¶
func NewKeyFromSeed(seed []byte)PrivateKey
NewKeyFromSeed calculates a private key from a seed. It will panic iflen(seed) is not SeedSize. This function is provided for interoperabilitywithRFC 8032.RFC 8032's private keys correspond to seeds in thispackage.
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