diff --git a/src/Hash/BuiltinHash.php b/src/Hash/BuiltinHash.php
index 3dbd657..d0a928c 100644
--- a/src/Hash/BuiltinHash.php
+++ b/src/Hash/BuiltinHash.php
@@ -1,6 +1,7 @@
 <?php declare(strict_types=1);
 
 namespace BradyMcD\TAATP\Hash;
+
 use BradyMcD\TAATP\HashInterface;
 use ParagonIE\ConstantTime\Base32;
 
@@ -12,7 +13,7 @@ class BuiltinHash implements HashInterface
 
     public function __construct(private readonly string $hashName)
     {
-        (\array_search($this->hashName, \hash_hmac_algos())) ? : throw \ValueError(
+        (\array_search(\strtolower($this->hashName), \hash_hmac_algos())) ? : throw new \ValueError(
             $this->hashName . " is not the name of a built-in hash function");
     }
 
diff --git a/src/HashConfig.php b/src/HashConfig.php
index d2a1758..2254a1e 100644
--- a/src/HashConfig.php
+++ b/src/HashConfig.php
@@ -20,9 +20,9 @@ class HashConfig
         public int $digits=6
     )
     {
-        if (\is_string($this->hash))
+        if (\is_string($this->algorithm))
         {
-            $this->hash = new BuiltinHash($this->hash);
+            $this->algorithm = new BuiltinHash($this->algorithm);
         }
     }
 
diff --git a/src/Logger/Base.php b/src/Logger/Base.php
index a4d4a0e..3ebd354 100644
--- a/src/Logger/Base.php
+++ b/src/Logger/Base.php
@@ -1,51 +1,53 @@
 <?php declare(strict_types=1);
 
+namespace BradyMcD\TAATP\Logger;
+
 use Psr\Log\LoggerInterface;
 
 /** @SuppressWarnings(PHPMD.DevelopmentCodeFragment)*/
 class Base implements LoggerInterface
 {
-    public function emergency(string $message, array $context = array())
+    public function emergency(\Stringable|string $message, array $context = array()):void
     {
         \fwrite(STDERR, $message . \print_r($context, true) . PHP_EOL);
     }
 
-    public function alert(string $message, array $context = array())
+    public function alert(\Stringable|string $message, array $context = array()):void
     {
         \fwrite(STDERR, $message . \print_r($context, true) . PHP_EOL);
     }
 
-    public function critical(string $message, array $context = array())
+    public function critical(\Stringable|string $message, array $context = array()):void
     {
         \fwrite(STDERR, $message . \print_r($context, true) . PHP_EOL);
     }
 
-    public function error(string $message, array $context = array())
+    public function error(\Stringable|string $message, array $context = array()):void
     {
         \fwrite(STDERR, $message . \print_r($context, true) . PHP_EOL);
     }
 
-    public function warning(string $message, array $context = array())
+    public function warning(\Stringable|string $message, array $context = array()):void
     {
         \fwrite(STDERR, $message . \print_r($context, true) . PHP_EOL);
     }
 
-    public function notice(string $message, array $context = array())
+    public function notice(\Stringable|string $message, array $context = array()):void
     {
         \fwrite(STDOUT, $message . \print_r($context, true) . PHP_EOL);
     }
 
-    public function info(string $message, array $context = array())
+    public function info(\Stringable|string $message, array $context = array()):void
     {
         \fwrite(STDOUT, $message . \print_r($context, true) . PHP_EOL);
     }
 
-    public function debug(string $message, array $context = array())
+    public function debug(\Stringable|string $message, array $context = array()):void
     {
         \fwrite(STDOUT, $message . \print_r($context, true) . PHP_EOL);
     }
 
-    public function log(string $message, array $context = array())
+    public function log($level, \Stringable|string $message, array $context = array()):void
     {
         \fwrite(STDOUT, $message . \print_r($context, true) . PHP_EOL);
     }
diff --git a/src/Workflow/UserManagement.php b/src/Workflow/UserManagement.php
index 6c37a90..9538d3e 100644
--- a/src/Workflow/UserManagement.php
+++ b/src/Workflow/UserManagement.php
@@ -34,7 +34,7 @@ class UserManagement implements WorkflowInterface
     private function viewEnrollForm(): string
     {
         $html  = "<div id=\"enroll\"><form %frm>";
-        $html .= $this->moduleConfig.csrf->emitStr();
+        $html .= $this->moduleConfig->csrf->emitStr();
         $html .= "<p>To add an authenticator to your account, scan the QR code</p>";
         $html .= "<img src=%qr alt=\"qr-code\" height=256px width=256px/>";
         $html .= "<label for=\"totp_challenge\">Enter the authentication code:</label>";
@@ -45,14 +45,14 @@ class UserManagement implements WorkflowInterface
         $otpauthURI = new Otpauth(
             $this->db->userString($this->userIndex),
             "taaatp",
-            $this->hashConfig.hash->keygen(),
-            $this->hashConfig.hash->hashType(),
+            $this->hashConfig->algorithm->keygen(),
+            $this->hashConfig->algorithm->hashType(),
             6,
             30
         );
         $provisioningUri = $otpauthURI->uriString();
         $persistentUri = $otpauthURI->uriStringExplicit();
-        $this->moduleConfig.session->store("secret", $persistentUri);
+        $this->moduleConfig->session->store("secret", $persistentUri);
 
         $values = [
             "%frm" => $this->request->formProps("enroll"),
@@ -64,7 +64,7 @@ class UserManagement implements WorkflowInterface
     private function viewUnenrollForm(): string
     {
         $html  = "<div id=\"unenroll\"><form %frm>";
-        $html .= $this->moduleConfig.csrf->emitStr();
+        $html .= $this->moduleConfig->csrf->emitStr();
         $html .= "<label for=\"totp_challenge\">To de-register your authenticator enter the current authentication code:</label>";
         $html .= "<intput name=\"totp_challenge\" id=\"totp_challenge\" type\"text\" />";
         $html .= "<input type=\"submit\" value=\"Submit\" />";
@@ -88,17 +88,16 @@ class UserManagement implements WorkflowInterface
 
     function response(): bool
     {
-        if (!$this->moduleConfig.csrf->match())
+        if (!$this->moduleConfig->csrf->match())
         {
             return false;
         }
 
         $pUri = $this->db->getSecret($this->userIndex);
         $enrollFlag = \is_null($pUri);
-        $enrollFlag && $pUri = $this->moduleConfig.session->get('secret');
-
-        echo "Recovered pURI for a " . ($enrollFlag)?"new user":"returning user";
+        $enrollFlag && $pUri = $this->moduleConfig->session->get('secret');
 
+        $this->moduleConfig->logger->info("Recovered pURI for a " . ($enrollFlag)?"new user":"returning user");
 
         $totp = _6238(
             $pUri->getSecret(),
@@ -106,8 +105,8 @@ class UserManagement implements WorkflowInterface
             $enrollFlag? 0:$this->db->getLastTime($this->userIndex),
             2,
             $pUri.digits,
-            $this->hashConfig.clock,
-            $this->hashConfig.algorithm
+            $this->hashConfig->clock,
+            $this->hashConfig->algorithm
         );
         $flag = $totp.validate($this->request->getResp("totp_challenge"));