func main() {
//rsa 密钥文件产生
fmt.Println("-------------------------------获取RSA公私钥-----------------------------------------")
prvKey, pubKey := GenRsaKey()
fmt.Println(string(prvKey))
fmt.Println(string(pubKey))
fmt.Println("-------------------------------进行签名与验证操作-----------------------------------------")
var data = "卧了个槽,这么神奇的吗??!!! ԅ(¯﹃¯ԅ) !!!!!!)"
fmt.Println("对消息进行签名操作...")
signData := RsaSignWithSha256([]byte(data), prvKey)
fmt.Println("消息的签名信息: ", hex.EncodeToString(signData))
fmt.Println("\n对签名信息进行验证...")
if RsaVerySignWithSha256([]byte(data), signData, pubKey) {
fmt.Println("签名信息验证成功,确定是正确私钥签名!!")
fmt.Println("-------------------------------进行加密解密操作-----------------------------------------")
ciphertext := RsaEncrypt([]byte(data), pubKey)
fmt.Println("公钥加密后的数据:", hex.EncodeToString(ciphertext))
sourceData := RsaDecrypt(ciphertext, prvKey)
fmt.Println("私钥解密后的数据:", string(sourceData))
//RSA公钥私钥产生
func GenRsaKey() (prvkey, pubkey []byte) {
// 生成私钥文件
privateKey, err := rsa.GenerateKey(rand.Reader, 1024)
if err != nil {
panic(err)
derStream := x509.MarshalPKCS1PrivateKey(privateKey)
block := &pem.Block{
Type: "RSA PRIVATE KEY",
Bytes: derStream,
prvkey = pem.EncodeToMemory(block)
publicKey := &privateKey.PublicKey
derPkix, err := x509.MarshalPKIXPublicKey(publicKey)
if err != nil {
panic(err)
block = &pem.Block{
Type: "PUBLIC KEY",
Bytes: derPkix,
pubkey = pem.EncodeToMemory(block)
return
func RsaSignWithSha256(data []byte, keyBytes []byte) []byte {
h := sha256.New()
h.Write(data)
hashed := h.Sum(nil)
block, _ := pem.Decode(keyBytes)
if block == nil {
panic(errors.New("private key error"))
privateKey, err := x509.ParsePKCS1PrivateKey(block.Bytes)
if err != nil {
fmt.Println("ParsePKCS8PrivateKey err", err)
panic(err)
signature, err := rsa.SignPKCS1v15(rand.Reader, privateKey, crypto.SHA256, hashed)
if err != nil {
fmt.Printf("Error from signing: %s\n", err)
panic(err)
return signature
func RsaVerySignWithSha256(data, signData, keyBytes []byte) bool {
block, _ := pem.Decode(keyBytes)
if block == nil {
panic(errors.New("public key error"))
pubKey, err := x509.ParsePKIXPublicKey(block.Bytes)
if err != nil {
panic(err)
hashed := sha256.Sum256(data)
err = rsa.VerifyPKCS1v15(pubKey.(*rsa.PublicKey), crypto.SHA256, hashed[:], signData)
if err != nil {
panic(err)
return true
// 公钥加密
func RsaEncrypt(data, keyBytes []byte) []byte {
//解密pem格式的公钥
block, _ := pem.Decode(keyBytes)
if block == nil {
panic(errors.New("public key error"))
// 解析公钥
pubInterface, err := x509.ParsePKIXPublicKey(block.Bytes)
if err != nil {
panic(err)
// 类型断言
pub := pubInterface.(*rsa.PublicKey)
ciphertext, err := rsa.EncryptPKCS1v15(rand.Reader, pub, data)
if err != nil {
panic(err)
return ciphertext
// 私钥解密
func RsaDecrypt(ciphertext, keyBytes []byte) []byte {
//获取私钥
block, _ := pem.Decode(keyBytes)
if block == nil {
panic(errors.New("private key error!"))
//解析PKCS1格式的私钥
priv, err := x509.ParsePKCS1PrivateKey(block.Bytes)
if err != nil {
panic(err)
// 解密
data, err := rsa.DecryptPKCS1v15(rand.Reader, priv, ciphertext)
if err != nil {
panic(err)
return data
运行结果:
-------------------------------获取RSA公私钥-----------------------------------------
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCgPwlGJrWqTYaoMkI8jXkEI8ew
Q7E57G2Fi91WTXMMK7X6GsT9VmnRcq++Rk/VS+4IPBlfWyVRg0NfQDyuKjed21fU
Pa9AIbpYWHgP/tojyeYC1+RaXncrt9kLp7nW4FZMJmzwU9hfxIB0nhDQqhJenjdB
ZuYZfkICfMqyqbVkAwIDAQAB
-----END PUBLIC KEY-----
-------------------------------进行签名与验证操作-----------------------------------------
对消息进行签名操作...
消息的签名信息: 24a29efbc27e7b84c3b0eed683af28915381b2a0312f5383143cd2006b804d3a16c2b4750fb1857445b46664b795b6cefd402c5cf25e0f28116b7b50f5c16e80af9f9481def0161c6dac7a5d05c56595b891d84091e444ef4012ba1a0efd5cd2ff17c6dfdc109a2a3349ae2523217706a03042ea16d84fcf7d3dae37ee36d2e8
对签名信息进行验证...
签名信息验证成功,确定是正确私钥签名!!
-------------------------------进行加密解密操作-----------------------------------------
公钥加密后的数据: 2b34d46a62317f4f5e5c8618671831c0970cef2eeddc0d3aca02e1d5b411a067844e1250a1f69cbb1cbcb0cb1964af85836faa346f9ce9fac2710d4fa18e49ee1c4c73496183952fa95a54dd2d633b115504f0a365bac6d022399059a53f51c474e5e4f0f8eefde61bb85d5d812b67114f5d419c33496acaf11d3d84828733f7
私钥解密后的数据: 卧了个槽,这么神奇的吗??!!! ԅ(¯﹃¯ԅ) !!!!!!)
请尽量让自己的回复能够对别人有帮助
支持 Markdown 格式, **粗体**、~~删除线~~、`单行代码`
支持 @ 本站用户;支持表情(输入 : 提示),见 Emoji cheat sheet
图片支持拖拽、截图粘贴等方式上传
func main() {
//rsa 密钥文件产生
fmt.Println("-------------------------------获取RSA公私钥-----------------------------------------")
prvKey, pubKey := GenRsaKey()
fmt.Println(string(prvKey))
fmt.Println(string(pubKey))
fmt.Println("-------------------------------进行签名与验证操作-----------------------------------------")
var data = "卧了个槽,这么神奇的吗??!!! ԅ(¯﹃¯ԅ) !!!!!!)"
fmt.Println("对消息进行签名操作...")
signData := RsaSignWithSha256([]byte(data), prvKey)
fmt.Println("消息的签名信息: ", hex.EncodeToString(signData))
fmt.Println("\n对签名信息进行验证...")
if RsaVerySignWithSha256([]byte(data), signData, pubKey) {
fmt.Println("签名信息验证成功,确定是正确私钥签名!!")
fmt.Println("-------------------------------进行加密解密操作-----------------------------------------")
ciphertext := RsaEncrypt([]byte(data), pubKey)
fmt.Println("公钥加密后的数据:", hex.EncodeToString(ciphertext))
sourceData := RsaDecrypt(ciphertext, prvKey)
fmt.Println("私钥解密后的数据:", string(sourceData))
//RSA公钥私钥产生
func GenRsaKey() (prvkey, pubkey []byte) {
// 生成私钥文件
privateKey, err := rsa.GenerateKey(rand.Reader, 1024)
if err != nil {
panic(err)
derStream := x509.MarshalPKCS1PrivateKey(privateKey)
block := &pem.Block{
Type: "RSA PRIVATE KEY",
Bytes: derStream,
prvkey = pem.EncodeToMemory(block)
publicKey := &privateKey.PublicKey
derPkix, err := x509.MarshalPKIXPublicKey(publicKey)
if err != nil {
panic(err)
block = &pem.Block{
Type: "PUBLIC KEY",
Bytes: derPkix,
pubkey = pem.EncodeToMemory(block)
return
func RsaSignWithSha256(data []byte, keyBytes []byte) []byte {
h := sha256.New()
h.Write(data)
hashed := h.Sum(nil)
block, _ := pem.Decode(keyBytes)
if block == nil {
panic(errors.New("private key error"))
privateKey, err := x509.ParsePKCS1PrivateKey(block.Bytes)
if err != nil {
fmt.Println("ParsePKCS8PrivateKey err", err)
panic(err)
signature, err := rsa.SignPKCS1v15(rand.Reader, privateKey, crypto.SHA256, hashed)
if err != nil {
fmt.Printf("Error from signing: %s\n", err)
panic(err)
return signature
func RsaVerySignWithSha256(data, signData, keyBytes []byte) bool {
block, _ := pem.Decode(keyBytes)
if block == nil {
panic(errors.New("public key error"))
pubKey, err := x509.ParsePKIXPublicKey(block.Bytes)
if err != nil {
panic(err)
hashed := sha256.Sum256(data)
err = rsa.VerifyPKCS1v15(pubKey.(*rsa.PublicKey), crypto.SHA256, hashed[:], signData)
if err != nil {
panic(err)
return true
// 公钥加密
func RsaEncrypt(data, keyBytes []byte) []byte {
//解密pem格式的公钥
block, _ := pem.Decode(keyBytes)
if block == nil {
panic(errors.New("public key error"))
// 解析公钥
pubInterface, err := x509.ParsePKIXPublicKey(block.Bytes)
if err != nil {
panic(err)
// 类型断言
pub := pubInterface.(*rsa.PublicKey)
ciphertext, err := rsa.EncryptPKCS1v15(rand.Reader, pub, data)
if err != nil {
panic(err)
return ciphertext
// 私钥解密
func RsaDecrypt(ciphertext, keyBytes []byte) []byte {
//获取私钥
block, _ := pem.Decode(keyBytes)
if block == nil {
panic(errors.New("private key error!"))
//解析PKCS1格式的私钥
priv, err := x509.ParsePKCS1PrivateKey(block.Bytes)
if err != nil {
panic(err)
// 解密
data, err := rsa.DecryptPKCS1v15(rand.Reader, priv, ciphertext)
if err != nil {
panic(err)
return data
运行结果:
-------------------------------获取RSA公私钥-----------------------------------------
-----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----
-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCgPwlGJrWqTYaoMkI8jXkEI8ew
Q7E57G2Fi91WTXMMK7X6GsT9VmnRcq++Rk/VS+4IPBlfWyVRg0NfQDyuKjed21fU
Pa9AIbpYWHgP/tojyeYC1+RaXncrt9kLp7nW4FZMJmzwU9hfxIB0nhDQqhJenjdB
ZuYZfkICfMqyqbVkAwIDAQAB
-----END PUBLIC KEY-----
-------------------------------进行签名与验证操作-----------------------------------------
对消息进行签名操作...
消息的签名信息: 24a29efbc27e7b84c3b0eed683af28915381b2a0312f5383143cd2006b804d3a16c2b4750fb1857445b46664b795b6cefd402c5cf25e0f28116b7b50f5c16e80af9f9481def0161c6dac7a5d05c56595b891d84091e444ef4012ba1a0efd5cd2ff17c6dfdc109a2a3349ae2523217706a03042ea16d84fcf7d3dae37ee36d2e8
对签名信息进行验证...
签名信息验证成功,确定是正确私钥签名!!
-------------------------------进行加密解密操作-----------------------------------------
公钥加密后的数据: 2b34d46a62317f4f5e5c8618671831c0970cef2eeddc0d3aca02e1d5b411a067844e1250a1f69cbb1cbcb0cb1964af85836faa346f9ce9fac2710d4fa18e49ee1c4c73496183952fa95a54dd2d633b115504f0a365bac6d022399059a53f51c474e5e4f0f8eefde61bb85d5d812b67114f5d419c33496acaf11d3d84828733f7
私钥解密后的数据: 卧了个槽,这么神奇的吗??!!! ԅ(¯﹃¯ԅ) !!!!!!)
最高记录 5390
©2013-2023 studygolang.com Go语言中文网,中国 Golang 社区,致力于构建完善的 Golang 中文社区,Go语言爱好者的学习家园。
Powered by StudyGolang(Golang + MySQL) • · CDN 采用 七牛云
VERSION: V4.0.0 · 7.837829ms · 为了更好的体验,本站推荐使用 Chrome 或 Firefox 浏览器
京ICP备14030343号-1