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ecdh_from.go
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ecdh_from.go
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package ecdh
import (
"crypto/rand"
"crypto/ecdh"
)
// 私钥
func (this Ecdh) FromPrivateKey(key []byte) Ecdh {
parsedKey, err := this.ParsePrivateKeyFromPEM(key)
if err != nil {
return this.AppendError(err)
}
this.privateKey = parsedKey.(*ecdh.PrivateKey)
return this
}
// 私钥带密码
func (this Ecdh) FromPrivateKeyWithPassword(key []byte, password string) Ecdh {
parsedKey, err := this.ParsePrivateKeyFromPEMWithPassword(key, password)
if err != nil {
return this.AppendError(err)
}
this.privateKey = parsedKey.(*ecdh.PrivateKey)
return this
}
// 公钥
func (this Ecdh) FromPublicKey(key []byte) Ecdh {
parsedKey, err := this.ParsePublicKeyFromPEM(key)
if err != nil {
return this.AppendError(err)
}
this.publicKey = parsedKey.(*ecdh.PublicKey)
return this
}
// 生成密钥
func (this Ecdh) GenerateKey() Ecdh {
privateKey, err := this.curve.GenerateKey(rand.Reader)
if err != nil {
return this.AppendError(err)
}
this.privateKey = privateKey
this.publicKey = privateKey.PublicKey()
return this
}