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vko.go
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vko.go
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package gost
import (
"errors"
"math/big"
"github.com/deatil/go-cryptobin/gost"
)
// KEK
func (this Gost) KEK(ukm any) Gost {
if this.privateKey == nil {
err := errors.New("privateKey empty.")
return this.AppendError(err)
}
if this.publicKey == nil {
err := errors.New("publicKey empty.")
return this.AppendError(err)
}
var ukmData *big.Int
switch uk := ukm.(type) {
case []byte:
ukmData = gost.NewUKM(uk)
case string:
ukmData = gost.NewUKM([]byte(uk))
case *big.Int:
ukmData = uk
}
secretData, err := gost.KEK(this.privateKey, this.publicKey, ukmData)
if err != nil {
return this.AppendError(err)
}
this.secretData = secretData
return this
}
// KEK2001
func (this Gost) KEK2001(ukm any) Gost {
if this.privateKey == nil {
err := errors.New("privateKey empty.")
return this.AppendError(err)
}
if this.publicKey == nil {
err := errors.New("publicKey empty.")
return this.AppendError(err)
}
var ukmData *big.Int
switch uk := ukm.(type) {
case []byte:
ukmData = gost.NewUKM(uk)
case string:
ukmData = gost.NewUKM([]byte(uk))
case *big.Int:
ukmData = uk
}
secretData, err := gost.KEK2001(this.privateKey, this.publicKey, ukmData)
if err != nil {
return this.AppendError(err)
}
this.secretData = secretData
return this
}
// KEK2012256
func (this Gost) KEK2012256(ukm any) Gost {
if this.privateKey == nil {
err := errors.New("privateKey empty.")
return this.AppendError(err)
}
if this.publicKey == nil {
err := errors.New("publicKey empty.")
return this.AppendError(err)
}
var ukmData *big.Int
switch uk := ukm.(type) {
case []byte:
ukmData = gost.NewUKM(uk)
case string:
ukmData = gost.NewUKM([]byte(uk))
case *big.Int:
ukmData = uk
}
secretData, err := gost.KEK2012256(this.privateKey, this.publicKey, ukmData)
if err != nil {
return this.AppendError(err)
}
this.secretData = secretData
return this
}
// KEK2012512
func (this Gost) KEK2012512(ukm any) Gost {
if this.privateKey == nil {
err := errors.New("privateKey empty.")
return this.AppendError(err)
}
if this.publicKey == nil {
err := errors.New("publicKey empty.")
return this.AppendError(err)
}
var ukmData *big.Int
switch uk := ukm.(type) {
case []byte:
ukmData = gost.NewUKM(uk)
case string:
ukmData = gost.NewUKM([]byte(uk))
case *big.Int:
ukmData = uk
}
secretData, err := gost.KEK2012512(this.privateKey, this.publicKey, ukmData)
if err != nil {
return this.AppendError(err)
}
this.secretData = secretData
return this
}