Nope. It's a general fault with signing for Windows. Wheee.

Running docker exec release bash -c 'jsign --storetype DIGICERTONE --keystore "$WINDOWS_SM_HOST" --storepass "${WINDOWS_SM_API_KEY}|/tmp/client_cert.p12|${WINDOWS_SM_CLIENT_CERT_PASSWORD}" --alias "$WINDOWS_CERT_ALIAS" /work/packages/msi/openvox-agent-9.0.0.alpha2.88.g1cd771df6-x64.msi'
jsign: Failed to retrieve the private key from the keystore
net.jsign.json-io.util.io.JsonIoException: Unknown JSON value type
line: 1, col: 1
<
	at net.jsign.json-io.util.io.JsonParser.error(JsonParser.java:574)
	at net.jsign.json-io.util.io.JsonParser.readValue(JsonParser.java:292)
	at net.jsign.json-io.util.io.JsonReader.readObject(JsonReader.java:803)
	at net.jsign.json-io.util.io.JsonReader.jsonToJava(JsonReader.java:439)
	at net.jsign.json-io.util.io.JsonReader.jsonToJava(JsonReader.java:453)
	at net.jsign.json-io.util.io.JsonReader.jsonToJava(JsonReader.java:412)
	at net.jsign.jca.RESTClient.query(RESTClient.java:176)
	at net.jsign.jca.RESTClient.get(RESTClient.java:70)
	at net.jsign.jca.DigiCertOneSigningService.getPrivateKey(DigiCertOneSigningService.java:204)
	at net.jsign.jca.SigningServiceKeyStore.engineGetKey(SigningServiceKeyStore.java:36)
	at java.base/java.security.KeyStore.getKey(KeyStore.java:1095)
	at net.jsign.SignerHelper.build(SignerHelper.java:417)
	at net.jsign.SignerHelper.sign(SignerHelper.java:471)
	at net.jsign.SignerHelper.execute(SignerHelper.java:325)
	at net.jsign.JsignCLI.execute(JsignCLI.java:229)
	at net.jsign.JsignCLI.main(JsignCLI.java:58)
Try `java -jar jsign.jar --help' for more information.
Command failed! Command: docker exec release bash -c 'jsign --storetype DIGICERTONE --keystore "$WINDOWS_SM_HOST" --storepass "${WINDOWS_SM_API_KEY}|/tmp/client_cert.p12|${WINDOWS_SM_CLIENT_CERT_PASSWORD}" --alias "$WINDOWS_CERT_ALIAS" /work/packages/msi/openvox-agent-9.0.0.alpha2.88.g1cd771df6-x64.msi', Exit code: 1
Running docker exec release bash -c 'chown -R 1001:1001 /work/staging /work/packages'
release