update at 2023/08/14

tools/casign/ca_cert - 副本.pem

@@ -0,0 +1,18 @@
+-----BEGIN CERTIFICATE-----
+MIIC4jCCAcqgAwIBAgICB+cwDQYJKoZIhvcNAQELBQAwEjEQMA4GA1UEAxMHUm9v
+dCBDQTAeFw0yMzA4MTIxODA5MzZaFw0zMzA4MTIxODA5MzZaMBIxEDAOBgNVBAMT
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+mIrXQzjxz6AfyOcY/FsgcaDLf5xbYw==
+-----END CERTIFICATE-----

tools/casign/ca_cert.pem

@@ -0,0 +1,18 @@
+-----BEGIN CERTIFICATE-----
+MIIC4jCCAcqgAwIBAgICB+cwDQYJKoZIhvcNAQELBQAwEjEQMA4GA1UEAxMHUm9v
+dCBDQTAeFw0yMzA4MTIxODA5MzZaFw0zMzA4MTIxODA5MzZaMBIxEDAOBgNVBAMT
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+mIrXQzjxz6AfyOcY/FsgcaDLf5xbYw==
+-----END CERTIFICATE-----

tools/casign/casign.go

@@ -0,0 +1,99 @@
+package main
+
+import (
+	"crypto/rand"
+	"crypto/rsa"
+	"crypto/x509"
+	"crypto/x509/pkix"
+	"encoding/pem"
+	"fmt"
+	"math/big"
+	"os"
+	"time"
+)
+
+func main() {
+	// 生成私钥
+	privateKey, err := rsa.GenerateKey(rand.Reader, 2048)
+	if err != nil {
+		fmt.Println("Failed to generate private key:", err)
+		return
+	}
+
+	// 创建根证书模板
+	ca := &x509.Certificate{
+		SerialNumber:          big.NewInt(2023),
+		Subject:               pkix.Name{CommonName: "Root CA"},
+		NotBefore:             time.Now(),
+		NotAfter:              time.Now().AddDate(10, 0, 0), // 有效期为10年
+		KeyUsage:              x509.KeyUsageCertSign | x509.KeyUsageCRLSign,
+		BasicConstraintsValid: true,
+		IsCA:                  true,
+	}
+
+	// 使用私钥对根证书进行签名
+	caBytes, err := x509.CreateCertificate(rand.Reader, ca, ca, &privateKey.PublicKey, privateKey)
+	if err != nil {
+		fmt.Println("Failed to create CA certificate:", err)
+		return
+	}
+
+	// 将根证书保存到文件
+	caFile, err := os.Create("ca_cert.pem")
+	if err != nil {
+		fmt.Println("Failed to create CA certificate file:", err)
+		return
+	}
+	defer caFile.Close()
+
+	err = pem.Encode(caFile, &pem.Block{
+		Type:  "CERTIFICATE",
+		Bytes: caBytes,
+	})
+	if err != nil {
+		fmt.Println("Failed to write CA certificate to file:", err)
+		return
+	}
+
+	fmt.Println("Root CA certificate generated successfully.")
+
+	// 将公钥保存到文件
+	publicKeyBytes := x509.MarshalPKCS1PublicKey(&privateKey.PublicKey)
+	publicKeyFile, err := os.Create("public_key.pem")
+	if err != nil {
+		fmt.Println("Failed to create public key file:", err)
+		return
+	}
+	defer publicKeyFile.Close()
+
+	err = pem.Encode(publicKeyFile, &pem.Block{
+		Type:  "RSA PUBLIC KEY",
+		Bytes: publicKeyBytes,
+	})
+	if err != nil {
+		fmt.Println("Failed to write public key to file:", err)
+		return
+	}
+
+	fmt.Println("Public key generated successfully.")
+
+	// 将私钥保存到文件
+	privateKeyBytes := x509.MarshalPKCS1PrivateKey(privateKey)
+	privateKeyFile, err := os.Create("private_key.pem")
+	if err != nil {
+		fmt.Println("Failed to create private key file:", err)
+		return
+	}
+	defer privateKeyFile.Close()
+
+	err = pem.Encode(privateKeyFile, &pem.Block{
+		Type:  "RSA PRIVATE KEY",
+		Bytes: privateKeyBytes,
+	})
+	if err != nil {
+		fmt.Println("Failed to write private key to file:", err)
+		return
+	}
+
+	fmt.Println("Private key generated successfully.")
+}

tools/casign/private_key.pem

@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----
+MIIEpAIBAAKCAQEAlE3BYk9Rk2avUTik7lpuiHxbYTusrLYRCnr8JICRg0QsBfiu
+q8d4+4s0w3y5F7puTj23Hf8ohAeNGK6vV9nJF9utMRvT4w5hlGqvKubM2vORoNoa
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+rrU2i7grAye4Cd003+pqhSERGCKSzb3fTSYiMypKsxeH2bs8nrRu2A==
+-----END RSA PRIVATE KEY-----

tools/casign/public_key.pem

@@ -0,0 +1,8 @@
+-----BEGIN RSA PUBLIC KEY-----
+MIIBCgKCAQEAlE3BYk9Rk2avUTik7lpuiHxbYTusrLYRCnr8JICRg0QsBfiuq8d4
++4s0w3y5F7puTj23Hf8ohAeNGK6vV9nJF9utMRvT4w5hlGqvKubM2vORoNoa1usI
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+vP9iSq1tb+8BUI0ZMDcHX4elEeZYiFMJOwIDAQAB
+-----END RSA PUBLIC KEY-----