Allow SHA-1 signed certificates issued by local trust anchors: registry value EnableSha1ForLocalAnchorsUserHKCU\Software\Policies\Google\Chrome

Policy ID: EnableSha1ForLocalAnchors
Scope: Computer Configuration, User Configuration
Supported on: Microsoft Windows 7 or later
Source: Google Chrome Policy Templates (version 156.0.8078.80)
Category: Google › Google Chrome › Removed policies

Registry

EnableSha1ForLocalAnchors

REG_DWORDUserComputer

…\Software\Policies\Google\ChromeHKCU\Software\Policies\Google\Chrome Current key
HKLM\Software\Policies\Google\Chrome

Enabled value: 1
Disabled value: 0

Apply with .reg · CMD · PowerShell

UserPer-account setting

.reg

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Policies\Google\Chrome]

; Options (use only one)
; Enabled
"EnableSha1ForLocalAnchors"=dword:00000001
; Disabled
"EnableSha1ForLocalAnchors"=dword:00000000

CMD

:: Options (use only one)

:: Enabled
reg add "HKCU\Software\Policies\Google\Chrome" /v "EnableSha1ForLocalAnchors" /t REG_DWORD /d 1 /f
:: Disabled
reg add "HKCU\Software\Policies\Google\Chrome" /v "EnableSha1ForLocalAnchors" /t REG_DWORD /d 0 /f

PowerShell

# Common: create the key
New-Item -Path 'HKCU:\Software\Policies\Google\Chrome' -Force | Out-Null

# Options (use only one)
# Enabled
New-ItemProperty -Path 'HKCU:\Software\Policies\Google\Chrome' -Name 'EnableSha1ForLocalAnchors' -PropertyType DWord -Value 1 -Force | Out-Null
# Disabled
New-ItemProperty -Path 'HKCU:\Software\Policies\Google\Chrome' -Name 'EnableSha1ForLocalAnchors' -PropertyType DWord -Value 0 -Force | Out-Null

ComputerMachine-wide setting

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Google\Chrome]

; Options (use only one)
; Enabled
"EnableSha1ForLocalAnchors"=dword:00000001
; Disabled
"EnableSha1ForLocalAnchors"=dword:00000000

CMD

:: Options (use only one)

:: Enabled
reg add "HKLM\Software\Policies\Google\Chrome" /v "EnableSha1ForLocalAnchors" /t REG_DWORD /d 1 /f
:: Disabled
reg add "HKLM\Software\Policies\Google\Chrome" /v "EnableSha1ForLocalAnchors" /t REG_DWORD /d 0 /f

PowerShell

# Common: create the key
New-Item -Path 'HKLM:\Software\Policies\Google\Chrome' -Force | Out-Null

# Options (use only one)
# Enabled
New-ItemProperty -Path 'HKLM:\Software\Policies\Google\Chrome' -Name 'EnableSha1ForLocalAnchors' -PropertyType DWord -Value 1 -Force | Out-Null
# Disabled
New-ItemProperty -Path 'HKLM:\Software\Policies\Google\Chrome' -Name 'EnableSha1ForLocalAnchors' -PropertyType DWord -Value 0 -Force | Out-Null