Generate Self Signed Cert using powershell

GenerateSelfSignedCert_2022.ps1

#GenerateSelfSignedCert_2022.ps1
# Information from: https://www.tutorialspoint.com/how-to-create-a-self-signed-certificate-using-powershell
# Additional/Similar information from: https://petri.com/create-self-signed-certificate-using-powershell

# Get Current Directory
$curDir = Get-Location

#Write Header
Write-Host "`n WARNING: This script is provided AS-IS with no warranties and confers no rights." -ForegroundColor Yellow

Write-Host "`n This script will generate a self-signed certificate with private key"

Write-Host " in the Local Computer Personal certificate store and saved in the current directory."

Write-Host "`nIt will be set to expire in 10 years."

# Get Subject for cert
$subject = Read-Host "`nEnter Certificate Subject (e.g. Site Url, or simply name for cert"

# Check that a Subject was entered
if (!$subject)
{
    Write-Host "`nSubject cannot be empty!" -ForegroundColor Red
    Exit
}

# Get password for cert
$password = Read-Host "`nEnter a certificate password"

# Check that a password was entered
if (!$password)
{
    Write-Host "`nPassword cannot be empty!" -ForegroundColor Red
    Exit
}

# Get an Expiration date 10 years in the future to use for the cert
$expDate = (Get-Date).AddDays(3650).ToString("MM/dd/yyyy")

# Generate the cert into the local keystore
$cert = New-SelfSignedCertificate -Subject $subject -KeyLocation $curDir -Provider "Microsoft Enhanced RSA and AES Cryptographic Provider" -HashAlgorithm SHA256 -KeyLength 2048 -NotAfter $expDate

# Prepare to save the cert to the current directory
$securePassword = ConvertTo-SecureString -String $password -Force -AsPlainText
$path = "cert:\LocalMachine\my\" + $cert.thumbprint

# Save the cert to the current directory
Export-PfxCertificate -Cert $path -FilePath "$curDir\$subject.pfx" -ChainOption EndEntityCertOnly -Password $securePassword
Export-Certificate -Cert $path -FilePath "$curDir\$subject.cer"
CertUtil -encode "$subject.cer" "$subject.b64.cer"

# The Script has completed.
Write-Host "`n Finished!`n" -ForegroundColor Green