diff --git a/.circleci/config.yml b/.circleci/config.yml
index be434921..a95bd726 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -104,20 +104,39 @@ jobs:
       # Download cygwin
       - run:
           name: Download cygwin
+          shell: bash.exe --login -eo pipefail
           command: |
-            if (((Test-Path C:\Users\circleci\build\libevent -PathType Container) -and (Test-Path C:\Users\circleci\build\tor -PathType Container)) -eq $true) {
-              Write-Output "libevent and tor already compiled, skipping"
-            } else {
-              Write-Output "downloading cygwin installer, signature, and signing key"
-              Invoke-WebRequest -Uri https://cygwin.com/setup-x86_64.exe -OutFile C:\Users\circleci\Downloads\setup-x86_64.exe
-              Invoke-WebRequest -Uri https://cygwin.com/setup-x86_64.exe.sig -OutFile C:\Users\circleci\Downloads\setup-x86_64.exe.sig
-              Invoke-WebRequest -Uri https://cygwin.com/key/pubring.asc -OutFile C:\Users\circleci\Downloads\pubring.asc
+            if [[ -d "/cygdrive/c/Users/circleci/build/libevent" ]]; then
+              if [[ -d "/cygdrive/c/Users/circleci/build/tor" ]]; then
+                echo "libevent and tor already compiled, skipping"
+                exit 0
+              fi
+            fi
 
-              Write-Output "verifying signature"
-              gpg --import C:\Users\circleci\Downloads\pubring.asc
-              gpg --verify C:\Users\circleci\Downloads\setup-x86_64.exe.sig C:\Users\circleci\Downloads\setup-x86_64.exe
-              if($? -ne $true) { throw "cygwin failed to verify" }
-            }
+            curl -o setup-x86_64.exe https://cygwin.com/setup-x86_64.exe
+            curl -o setup-x86_64.exe.sig https://cygwin.com/setup-x86_64.exe.sig
+            curl -o pubring.asc https://cygwin.com/key/pubring.asc
+
+            gpg --import pubring.asc
+            gpg --verify setup-x86_64.exe.sig setup-x86_64.exe
+            if [ $? -ne 0 ]; then
+              echo "cygwin signature doesn't verify"
+              exit -1
+            fi
+
+            # if (((Test-Path C:\Users\circleci\build\libevent -PathType Container) -and (Test-Path C:\Users\circleci\build\tor -PathType Container)) -eq $true) {
+            #   Write-Output "libevent and tor already compiled, skipping"
+            # } else {
+            #   Write-Output "downloading cygwin installer, signature, and signing key"
+            #   Invoke-WebRequest -Uri https://cygwin.com/setup-x86_64.exe -OutFile C:\Users\circleci\Downloads\setup-x86_64.exe
+            #   Invoke-WebRequest -Uri https://cygwin.com/setup-x86_64.exe.sig -OutFile C:\Users\circleci\Downloads\setup-x86_64.exe.sig
+            #   Invoke-WebRequest -Uri https://cygwin.com/key/pubring.asc -OutFile C:\Users\circleci\Downloads\pubring.asc
+
+            #   Write-Output "verifying signature"
+            #   gpg --import C:\Users\circleci\Downloads\pubring.asc
+            #   gpg --verify C:\Users\circleci\Downloads\setup-x86_64.exe.sig C:\Users\circleci\Downloads\setup-x86_64.exe
+            #   if($? -ne $true) { throw "cygwin failed to verify" }
+            # }
 
       # Install cygwin and required packages
       - run:
@@ -134,7 +153,7 @@ jobs:
           name: Build libevent
           shell: C:\\cygwin64\\bin\\bash.exe --login -eo pipefail
           command: |
-            if [[ -d "/cygdrive/c/Users/circleci/build/openssl" ]]; then
+            if [[ -d "/cygdrive/c/Users/circleci/build/libevent" ]]; then
               echo "libevent already compiled, skipping"
               exit 0
             fi