Index: externals/Harpy/Tools/sign.eagle
==================================================================
--- externals/Harpy/Tools/sign.eagle
+++ externals/Harpy/Tools/sign.eagle
@@ -27,16 +27,18 @@
   # NOTE: Indicate to the caller, if any, that we have failed.
   #
   exit 1
 }
 
-proc maybeForceHashAlgorithm { certificate keyPairType } {
+proc maybeForceHashAlgorithm { certificate keyPair } {
   #
   # HACK: Some key pair types, e.g. DSA v1, require hard-coded
   #       hash algorithms, e.g. SHA1.  Do that now, if needed.
   #
-  if {$keyPairType eq "DSA"} then {
+  if {[isNonNullObjectHandle $keyPair] && \
+      [lsearch -exact -- [keypair metadata] KeyPairType] != -1 && \
+      [$keyPair KeyPairType] eq "DSA"} then {
     $certificate HashAlgorithm SHA1
   }
 }
 
 proc isScriptFile { fileName } {
@@ -428,11 +430,11 @@
 
     #
     # NOTE: Import the license certificate.
     #
     set certificate [certificate import $fileName]
-    maybeForceHashAlgorithm $certificate [$privateKey KeyPairType]
+    maybeForceHashAlgorithm $certificate $privateKey
 
     #
     # HOOK: Post-certificate object creation (import).
     #
     catch {certificate_hook phase1}
@@ -483,11 +485,11 @@
     } else {
       set certificate [object create -alias \
           Licensing.Components.Public.Certificate]
     }
 
-    maybeForceHashAlgorithm $certificate [$privateKey KeyPairType]
+    maybeForceHashAlgorithm $certificate $privateKey
 
     #
     # HOOK: Post-certificate object creation (create).
     #
     catch {certificate_hook phase1}

Index: externals/Harpy/Tools/sign.eagle.asc
==================================================================
--- externals/Harpy/Tools/sign.eagle.asc
+++ externals/Harpy/Tools/sign.eagle.asc
@@ -1,18 +1,18 @@
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 Version: GnuPG v2
 Comment: Eagle Package Repository
 
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Index: externals/Harpy/Tools/sign.eagle.harpy
==================================================================
--- externals/Harpy/Tools/sign.eagle.harpy
+++ externals/Harpy/Tools/sign.eagle.harpy
@@ -19,50 +19,50 @@
 <Certificate xmlns="https://eagle.to/2011/harpy"
              xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
              xmlns:xsd="http://www.w3.org/2001/XMLSchema">
   <Protocol>None</Protocol>
   <Vendor>Mistachkin Systems</Vendor>
-  <Id>eb2ee167-6000-44b0-bba5-49f8b66227c1</Id>
+  <Id>7032b76b-2e4e-4ae1-a219-14621781bcf4</Id>
   <HashAlgorithm>SHA512</HashAlgorithm>
   <EntityType>Script</EntityType>
-  <TimeStamp>2021-01-28T07:16:52.2186366Z</TimeStamp>
+  <TimeStamp>2021-02-11T03:02:25.7394092Z</TimeStamp>
   <Duration>-1.00:00:00</Duration>
   <Key>0x9559f6017247e3e2</Key>
   <Signature>
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   </Signature>
 </Certificate>

Index: externals/Harpy/Tools/sign.eagle.harpy.asc
==================================================================
--- externals/Harpy/Tools/sign.eagle.harpy.asc
+++ externals/Harpy/Tools/sign.eagle.harpy.asc
@@ -1,18 +1,18 @@
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