73 lines
2.2 KiB
Go
73 lines
2.2 KiB
Go
package kgc
|
||
|
||
import (
|
||
"crypto/elliptic"
|
||
"fmt"
|
||
)
|
||
|
||
// Certificateless_Sign(prikey, pubkey, msg, ID)
|
||
func Certificateless_Sign(pri_key, pub_key, msg []byte, id string) (signature []byte, err error) {
|
||
|
||
curve := elliptic.P256()
|
||
s := BytesToBig(pri_key)
|
||
x, y := bytes_halve(pub_key)
|
||
Qx := BytesToBig(x)
|
||
Qy := BytesToBig(y)
|
||
//fmt.Println("公钥第一部分长度为：", len(x))
|
||
//fmt.Println("公钥第二部分长度为：", len(y))
|
||
|
||
ID := []byte(id)
|
||
|
||
PK_pub := "7196e9722d561a0fea21485fc16140096cc9b88f7174aec7508f14a7b85b61ba299292c726367bbcbf8f00b977849164bf9d3fd6260e55dd6498517bc0dec541"
|
||
pk1, pk2 := string_halve(PK_pub)
|
||
//fmt.Println("KGC公钥第二部分长度为：", len([]byte(pk1)))
|
||
//fmt.Println("KGC公钥第二部分长度为：", len([]byte(pk2)))
|
||
PKx := BytesToBig([]byte(pk1))
|
||
PKy := BytesToBig([]byte(pk2))
|
||
|
||
Ux, Uy, v := SignThumb(curve, ID, msg, s, Qx, Qy, PKx, PKy)
|
||
sig := mergeBigInts(Ux, Uy, v)
|
||
//fmt.Println("打印签名长度：", len(sig))
|
||
|
||
//fmt.Println("签名得到的v值为：", v)
|
||
|
||
return sig, nil
|
||
|
||
}
|
||
|
||
// Certificateless_Verify(publicKey, ID, signature, msg)
|
||
func Certificateless_Verify(pubkey []byte, id string, signature, msg []byte) error {
|
||
|
||
//x, y := bytes_halve(pubkey)
|
||
//fmt.Println("公钥第一部分长度为：", len(x))
|
||
//fmt.Println("公钥第二部分长度为：", len(y))
|
||
//fmt.Println("接收到消息！！！！！！！！！")
|
||
curve := elliptic.P256()
|
||
|
||
x, y := bytes_halve(pubkey)
|
||
|
||
Qx := BytesToBig(x)
|
||
Qy := BytesToBig(y)
|
||
|
||
//fmt.Println(pubkey)
|
||
|
||
ID := []byte(id)
|
||
|
||
PK_pub := "7196e9722d561a0fea21485fc16140096cc9b88f7174aec7508f14a7b85b61ba299292c726367bbcbf8f00b977849164bf9d3fd6260e55dd6498517bc0dec541"
|
||
pk1, pk2 := string_halve(PK_pub)
|
||
PKx := BytesToBig([]byte(pk1))
|
||
PKy := BytesToBig([]byte(pk2))
|
||
|
||
Ux, Uy, v := AnalSig(signature)
|
||
//fmt.Println("打印接收参数111：", v)
|
||
//fmt.Println("转换后的签名结果为", Ux, Uy, v)
|
||
|
||
err := VerifyThumb(curve, ID, msg, Qx, Qy, PKx, PKy, Ux, Uy, v)
|
||
if err != nil {
|
||
fmt.Println("shibai-----------------------------------------")
|
||
return err
|
||
}
|
||
//fmt.Println("签名验证chenggongllllllll！！！！！！！！！！！！sssssssssssssssssss")*/
|
||
return nil
|
||
}
|