Remko Weijnen's Blog (Remko's Blog)
About Virtualization, VDI, SBC, Application Compatibility and anything else I feel like
I have been working with Microsoft’s Desktop App Converter a lot recently. Even though there’s an option to autosign the resulting package with the -Sign switch I prefer to sign APPX packages myself using signtool.
The reason is that I can send UWP packages to testers for sideloading without requiring them to import the auto generated certificate (which is different on each (re)build).
However I always forget the exact path to signtool.exe (this comes with the Windows SDK).
The Windows 10 SDK is installed by default in C:\Program Files (x86)\Windows Kits\10.
Signtool.exe will be in the folder<sdkpath>\bin\<version>\<platform>\signtool.exe.
As there are multiple version of Windows 10 there are multiple version of the SDK and you can install those concurrently.
But then I found the PowerShell cmdlet Resolve-Path which “Resolves the wildcard characters in a path, and displays the path contents”.
This does exactly what I need:
Wow, Resolve-Path is a perfect example of the many hidden gems in PowerShell!
So I decided to wrap signtool.exe in a PowerShell cmdlet as PowerShell also makes it easy to locate the correct code signing certificate from the certificate store.
The certificate can either be provided with a parameter but if this is omitted the script will search for code signing certificates in the Personal certificates store.
If multiple code signing certificates are found, the script will ask which one you’d like to use:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 | ÿþf u n c t i o n S i g n - F i l e { < # . S Y N O P S I S S i g n a f i l e ( e . g . . d l l . e x e . a p p x ) u s i n g s i g n t o o l ( p r e r e q u i s u i t e ) . D E S C R I P T I O N L e v e r a g e s s i g n t o o l . e x e f r o m t h e M i c r o s o f t W i n d o w s S D K t o s i g n f i l e s w i t h a d i g i t a l s i g n a t u r e . S u p p o r t s V e r b o s e a n d D e b u g s w i t c h e s . . E X A M P L E S i g n - F i l e " M y F i l e . E x e " . E X A M P L E g c i " M y F o l d e r " - R e c u r s e - F i l t e r * . e x e | S i g n - F i l e . N O T E S N a m e : S i g n - F i l e A u t h o r : R e m k o W e i j n e n # > [ C m d l e t B i n d i n g ( S u p p o r t s S h o u l d P r o c e s s = $ T r u e ) ] p a r a m ( [ P a r a m e t e r ( M a n d a t o r y = $ T r u e , V a l u e F r o m P i p e l i n e = $ T r u e , V a l u e F r o m P i p e l i n e B y P r o p e r t y N a m e = $ T r u e , H e l p M e s s a g e = ' W h i c h f i l e ( s ) d o y o u w a n t t o s i g n ? ' ) ] [ A l i a s ( ' P S P a t h ' ) ] [ S y s t e m . I O . F i l e I n f o [ ] ] $ F i l e P a t h , [ P a r a m e t e r ( M a n d a t o r y = $ F a l s e , V a l u e F r o m P i p e l i n e = $ T r u e , V a l u e F r o m P i p e l i n e B y P r o p e r t y N a m e = $ T r u e , H e l p M e s s a g e = ' W h i c h c o d e s i g n i n g c e r t i f i c a t e t o u s e ' ) ] [ A l i a s ( ' C e r t ' ) ] [ S y s t e m . S e c u r i t y . C r y p t o g r a p h y . X 5 0 9 C e r t i f i c a t e s . X 5 0 9 C e r t i f i c a t e 2 ] $ C e r t i f i c a t e ) B E G I N { W r i t e - V e r b o s e " S i g n i n g f i l e ( s ) : $ F i l e P a t h " # f i n d s i g n t o o l $ s i g n T o o l = R e s o l v e - P a t h " $ ( [ E n v i r o n m e n t ] : : G e t F o l d e r P a t h ( " P r o g r a m F i l e s X 8 6 " ) ) \ W i n d o w s K i t s \ * \ b i n \ * \ x 6 4 \ s i g n t o o l . e x e " | S e l e c t - F i r s t 1 W r i t e - V e r b o s e " u s i n g S i g n T o o l l o c a t i o n : $ s i g n T o o l " i f ( ! $ C e r t i f i c a t e ) { W r i t e - V e r b o s e " N o c e r t i f i c a t e s p e c i f i e d , s e a r c h i n g f o r c o d e s i g n i n g c e r t i f i c a t e s . . . " $ c e r t s = G e t - C h i l d I t e m - P a t h c e r t : - R e c u r s e - C o d e S i g n i n g C e r t i f ( $ c e r t s - i s [ a r r a y ] ) { # f o u n d m u l t i p l e c o d e s i g n i n g c e r t i f i c a t e s , a s k t h e u s e r w h i c h o n e t o u s e W r i t e - V e r b o s e " F o u n d m u l t i p l e c o d e s i g n i n g c e r t i f i c a t e s , p l e a s e s e l e c t o n e . . . " $ C e r t i f i c a t e = G e t - C h i l d I t e m - P a t h c e r t : - R e c u r s e - C o d e S i g n i n g C e r t | O u t - G r i d V i e w - P a s s T h r u } e l s e { $ C e r t i f i c a t e = $ c e r t s } } W r i t e - V e r b o s e " U s i n g c e r t i f i c a t e $ ( $ C e r t i f i c a t e . S u b j e c t ) " $ p s i = N e w - O b j e c t S y s t e m . D i a g n o s t i c s . P r o c e s s S t a r t I n f o $ p s i . F i l e N a m e = $ s i g n t o o l . P a t h $ p s i . R e d i r e c t S t a n d a r d O u t p u t = $ t r u e $ p s i . R e d i r e c t S t a n d a r d I n p u t = $ t r u e $ p s i . R e d i r e c t S t a n d a r d E r r o r = $ t r u e $ p s i . U s e S h e l l E x e c u t e = $ f a l s e $ p s i . C r e a t e N o W i n d o w = $ t r u e $ r e s u l t s = @ ( ) } P R O C E S S { F o r E a c h ( $ i t e m i n $ F i l e P a t h ) { W r i t e - V e r b o s e " P r o c e s s i n g $ ( $ i t e m . F u l l n a m e ) " $ o p e r a t i o n = " s i g n " i f ( $ p s B o u n d P a r a m e t e r s [ ' D e b u g ' ] ) { W r i t e - V e r b o s e " A d d i n g d e b u g s w i t c h t o S i g n T o o l " $ o p e r a t i o n + = " / d e b u g " } $ p s i . A r g u m e n t s = @ ( " $ o p e r a t i o n / f d S H A 2 5 6 / s h a 1 $ ( $ C e r t i f i c a t e . T h u m b P r i n t ) / t ` " h t t p : / / t i m e s t a m p . d i g i c e r t . c o m ` " ` " $ ( $ i t e m . F u l l n a m e ) ` " " ) W r i t e - D e b u g " S i g n t o o l c o m m a n d l i n e : ` " $ ( $ p s i . F i l e n a m e ) ` " $ ( $ p s i . A r g u m e n t s ) " i f ( $ P s C m d l e t . S h o u l d P r o c e s s ( $ i t e m ) ) { $ s t d O u t = N e w - O b j e c t S y s t e m . T e x t . S t r i n g B u i l d e r $ p r o c e s s = N e w - O b j e c t S y s t e m . D i a g n o s t i c s . P r o c e s s $ p r o c e s s . S t a r t I n f o = $ p s i t r y { $ p r o c e s s . S t a r t ( ) | O u t - N u l l $ r e s u l t = [ P S C u s t o m O b j e c t ] @ { f i l e = $ ( $ i t e m . F u l l n a m e ) s t d o u t = $ p r o c e s s . S t a n d a r d O u t p u t . R e a d T o E n d ( ) E x i t C o d e = $ p r o c e s s . E x i t C o d e s t d e r r = $ p r o c e s s . S t a n d a r d E r r o r . R e a d T o E n d ( ) } $ p r o c e s s . W a i t F o r E x i t ( ) W r i t e - V e r b o s e " S i g n t o o l o u t p u t : $ ( $ r e s u l t . s t d o u t ) " i f ( $ p r o c e s s . E x i t C o d e - n e 0 ) { W r i t e - E r r o r $ r e s u l t . s t d e r r } $ r e s u l t s + = $ r e s u l t } c a t c h [ S y s t e m . C o m p o n e n t M o d e l . W i n 3 2 E x c e p t i o n ] { W r i t e - E r r o r " E x c e p t i o n l a u n c h i n g s i g n t o o l : $ ( $ _ . E x c e p t i o n . M e s s a g e ) " } c a t c h { W r i t e - E r r o r " E x c e p t i o n : $ ( $ _ . E x c e p t i o n . M e s s a g e ) " } f i n a l l y { $ p r o c e s s . D i s p o s e ( ) } } } } E N D { W r i t e - V e r b o s e " F i n i s h e d " $ r e s u l t s } } |
The script can be downloaded directly from my Github repo.
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