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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) !!!!!!)
					
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  • 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-----
    MIICXAIBAAKBgQCgPwlGJrWqTYaoMkI8jXkEI8ewQ7E57G2Fi91WTXMMK7X6GsT9
    VmnRcq++Rk/VS+4IPBlfWyVRg0NfQDyuKjed21fUPa9AIbpYWHgP/tojyeYC1+Ra
    Xncrt9kLp7nW4FZMJmzwU9hfxIB0nhDQqhJenjdBZuYZfkICfMqyqbVkAwIDAQAB
    AoGAJRcSDXOuPrHdBhdD74ILTaL+eFTis3Z+zxdVbsFUbK+9WhtSFxUmPv1dohvi
    JIuDl9JZSRHurFRGhsh2gxVwc7JXwWfD0DmD8dvdzr8q85Jml9YVZ7uhHFqSO4cY
    I7dlBOd7Uwjnc39E/d+1E/kWVNfKt7opPHgt02zOHLSxkbECQQDS7H3myu3oLOi0
    Slpd1MmmHVOo2cqJ1b3H6E8JtEjmHGswWTYvQNAe4yZ+Kffsp5LUYujedncPKvEj
    4G+iz44bAkEAwn4Bx30FKTri/tybgSnCWKwTGSX479829Xucrm5pYU/3D5/PeJQL
    Ra4YSyg2/hU3ZBrue6CdzYJgGXNGEWhAOQJBALMlOB4A96X+FruidzRA2fBj8j10
    lakSSHl1H0RfwpbnRkcvTm0+AEZrqbL4lGGFRplrVNw2BBN25o8RPeArp0cCQEhu
    kw0PI1fqhVUzJXqh6a4KT4aDHMWAlMAxi/VuSzKhjDo2Yxbd06DcqFF9JZXUou9W
    FFDYTUyW7GEuC/85mwkCQCOEjUQX0C3JCSr6fyZIjpEr+znyc9eFHyBp+533Ur4g
    eFu2ewJ3ufJiUBmEj1rEQku8W7h9DS2rXl10IiSwUAA=
    -----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) !!!!!!)
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