wechat pub

package ciphers

import (
	"crypto/rand"
	"crypto/rsa"
	"crypto/sha1"
	"crypto/x509"
	"encoding/base64"
	"testing"
)

func TestEncryptWithPublicKey(t *testing.T) {
	pubkey:=`MFswDQYJKoZIhvcNAQEBBQADSgAwRwJAdedQ+RhUgHocW62HvHUX3Y/r/s/PfS8JhfscO3w1YSryW048No8+8oKMUmUoxTBKSBneVZPS/LnaFWQbIucpdwIDAQAB`

	var dst =make([]byte,base64.RawStdEncoding.DecodedLen(len(pubkey)))
	_, err := base64.RawStdEncoding.Decode(dst, []byte(pubkey))
	if err != nil {
		t.Error(err)
		return
	}
	ifc, err := x509.ParsePKIXPublicKey(dst)
	if err != nil {
		panic(err)
	}
	key, ok := ifc.(*rsa.PublicKey)
	if !ok {
		panic("not ok")
	}
	hash := sha1.New()
	ciphertext, err := rsa.EncryptOAEP(hash, rand.Reader, key, []byte("thisisatrickytext"), nil)
	if err != nil {
		panic(err)
	}
	t.Log(base64.RawStdEncoding.EncodeToString(ciphertext))
}