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package RsaUtil
import (
"crypto/rand"
"crypto/rsa"
"crypto/x509"
"dsSdsf/Utils/ConfigUtil"
"encoding/pem"
"fmt"
"github.com/pkg/errors"
)
/**
功能：
作者：黄海
时间：
*/
func RsaDecrypt ( ciphertext [ ] byte ) ( [ ] byte , error ) {
privateKey := ConfigUtil . PrivateKey
block , _ := pem . Decode ( [ ] byte ( privateKey ) )
if block == nil {
return nil , errors . New ( "private key error!" )
}
priv , err := x509 . ParsePKCS1PrivateKey ( block . Bytes )
if err != nil {
return nil , errors . Wrap ( err , fmt . Sprintf ( "Parse private key error:%s" , err ) )
}
return rsa . DecryptPKCS1v15 ( rand . Reader , priv , ciphertext )
}
