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在Windows上创建代码签名证书以签署PowerShell脚本

发布时间:2020-12-13 23:47:37 所属栏目:Windows 来源:网络整理
导读:根据 this guide我尝试创建用于签署PowerShell脚本的证书: CD C:OpenSSL-Win32binREM Create the key for the Certificate Authority. 2048 is the bit encryptiong,you can set it whatever you wantopenssl genrsa -out C:Testca.key 2048openssl req
根据 this guide我尝试创建用于签署PowerShell脚本的证书:
CD C:OpenSSL-Win32bin
REM Create the key for the Certificate Authority.  2048 is the bit encryptiong,you can set it whatever you want
openssl genrsa -out C:Testca.key 2048
openssl req -config C:OpenSSL-Win32binopenssl.cfg -new -x509 -days 1826 -key C:Testca.key -out C:Testca.crt
REM Now I'm creating the private key that will be for the actual code signing cert
openssl genrsa -out C:Testcodesign.key 2048
openssl req -config C:OpenSSL-Win32binopenssl.cfg -new -key C:Testcodesign.key -reqexts v3_req -out C:Testcodesign.csr
openssl x509 -req -days 1826 -in C:Testcodesign.csr -CA C:Testca.crt -CAkey C:Testca.key -extfile C:OpenSSL-Win32bincnfopensslTest.cnf -set_serial 01 -out C:Testcodesign.crt
openssl pkcs12 -export -out C:Testcodesign.pfx -inkey C:Testcodesign.key -in C:Testcodesign.crt

发生以下错误:

C:OpenSSL-Win32bin>openssl x509 -req -days 1826 -in C:Testcodesign.csr -CA C:Testca.crt -CAkey C:Testca.key -extfile C:OpenSSL-Win32bincnfopenssl.cnf -set_serial 01 -out C:Testcodesign.crt
Error Loading extension section default
14516:error:22097082:X509 V3 routines:do_ext_nconf:unknown extension name:cryptox509v3v3_conf.c:78:
14516:error:22098080:X509 V3 routines:X509V3_EXT_nconf:error in extension:cryptox509v3v3_conf.c:47:name=HOME,value=.

我使用了OpenSSL v1.1.0c.我找到的每个其他指南都创建了无法用于代码签名的证书.

Windows上的OpenSSL没有必要.在Windows 7上,您可以使用我在TechNet脚本库中发布的自己的PowerShell脚本: Self-signed certificate generator (PowerShell).用法可以是这样的:
New-SelfsignedCertificateEx -Subject "CN=Test Code Signing" `
-EKU "Code Signing" `
-KeySpec "Signature" ` 
-KeyUsage "DigitalSignature" `
-FriendlyName "Test code signing"
-NotAfter $([datetime]::now.AddYears(5))

(第一个例子).

从Windows 8开始,您可以使用内置的certreq.exe工具生成证书.使用证书配置创建INF文件,例如:

[NewRequest]
Subject = "CN=Test Code Signing"
KeyLength = 2048
KeyAlgorithm = RSA
ProviderName = "Microsoft Enhanced RSA and AES Cryptographic Provider"
MachineKeySet = false
Exportable = true
KeySpec = 2
KeyUsage = 0x80
RequestType = Cert
[EnhancedKeyUsageExtension]
OID=1.3.6.1.5.5.7.3.3 ; Code signing

然后运行以下命令:

Certreq –new pathinffilename.inf

这将生成证书并将其安装到当前用户的证书库.

从Windows 10开始,您可以使用内置PowerShell cmdlet,如下所示:

New-SelfSignedCertificate -CertStoreLocation cert:currentusermy `
-Subject "CN=Test Code Signing" `
-KeyAlgorithm RSA `
-KeyLength 2048 `
-Provider "Microsoft Enhanced RSA and AES Cryptographic Provider" `
-KeyExportPolicy Exportable `
-KeyUsage DigitalSignature `
-Type CodeSigningCert

但是,在生产环境中进行代码签名的自签名证书使用是dsicouraged.您应该仅在测试环境中使用它们.

对于私人使用(仅限组织内),您应检查公司是否已拥有PKI基础架构并联系相应人员以获得公司批准的代码签名证书.

对于公共脚本(您将随软件包一起分发或向客户提供脚本),我建议从全球信任的商业CA提供商处购买代码.

(编辑:李大同)

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