dongfeng-pay/legend/utils/encryption.go

69 lines
2.2 KiB
Go
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2021-04-27 15:33:49 +08:00
package utils
import (
"crypto"
"crypto/md5"
"crypto/rand"
"crypto/rsa"
"crypto/x509"
"encoding/base64"
"encoding/hex"
"encoding/pem"
"strings"
)
//type Encrypt struct{}
func EncodeMd5(str string) string {
hash := md5.New()
buf := []byte(str)
hash.Write(buf)
return hex.EncodeToString(hash.Sum(nil))
}
//base64编码
func Base64Encode(raw []byte) string {
t := base64.StdEncoding.EncodeToString(raw)
t = strings.TrimSpace(t)
t = strings.Replace(t, "\r", "", -1)
t = strings.Replace(t, "\n", "", -1)
t = strings.Replace(t, "\n\r", "", -1)
t = strings.Replace(t, "\r\n", "", -1)
return t
}
func getMd5() string {
return ""
}
//base64解码
func Base64Decode(raw string) ([]byte, error) {
return base64.StdEncoding.DecodeString(raw)
}
//SHA1withRSA签名
func SHA1withRSA(context string) string {
_, block := pem.Decode([]byte(`-----BEGIN RSA PRIVATE KEY-----
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
-----END RSA PRIVATE KEY-----`))
if block == nil {
panic("私钥错误")
}
private, err := x509.ParsePKCS8PrivateKey(block) //之前看java demo中使用的是pkcs8
if err != nil {
return ""
}
h := crypto.Hash.New(crypto.SHA1) //进行SHA1的散列
h.Write([]byte(context))
hashed := h.Sum(nil)
// 进行rsa加密签名
signedData, err := rsa.SignPKCS1v15(rand.Reader, private.(*rsa.PrivateKey), crypto.SHA1, hashed)
data := base64.StdEncoding.EncodeToString(signedData)
return data
}