diff --git a/dist/index.js b/dist/index.js
index fe01c67..4e6881b 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -324,8 +324,25 @@ const fs = __webpack_require__(747);
 const crypto = __webpack_require__(417);
 const { home, sshAgent, sshAdd } = __webpack_require__(972);
 
+// FIXME: slightly modified version of never version of core.getBooleanInput
+//        as that doesn't respect required:false
+core.getBooleanInput = function getBooleanInput(name, options) {
+  const trueValue = ['true', 'True', 'TRUE']
+  const falseValue = ['false', 'False', 'FALSE']
+  const val = core.getInput(name, options)
+  if (!val) return false // replace with default InputOption
+  if (trueValue.includes(val)) return true
+  if (falseValue.includes(val)) return false
+  throw new TypeError(
+    `Input does not meet YAML 1.2 "Core Schema" specification: ${name}\n` +
+      `Support boolean input list: \`true | True | TRUE | false | False | FALSE\``
+  )
+}
+
+
 try {
     const privateKey = core.getInput('ssh-private-key');
+    const logPublicKey = core.getBooleanInput('log-public-key', {required: false});
 
     if (!privateKey) {
         core.setFailed("The ssh-private-key argument is empty. Maybe the secret has not been configured, or you are using a wrong secret name in your workflow file.");
@@ -374,8 +391,9 @@ try {
         const parts = key.match(/\bgithub\.com[:/]([_.a-z0-9-]+\/[_.a-z0-9-]+)/i);
 
         if (!parts) {
-            console.log(`Comment for (public) key '${key}' does not match GitHub URL pattern. Not treating it as a GitHub deploy key.`);
-
+            if (logPublicKey) {
+              console.log(`Comment for (public) key '${key}' does not match GitHub URL pattern. Not treating it as a GitHub deploy key.`);
+            }
             return;
         }
 
diff --git a/index.js b/index.js
index e08d46f..91d0514 100644
--- a/index.js
+++ b/index.js
@@ -4,8 +4,25 @@ const fs = require('fs');
 const crypto = require('crypto');
 const { home, sshAgent, sshAdd } = require('./paths.js');
 
+// FIXME: slightly modified version of never version of core.getBooleanInput
+//        as that doesn't respect required:false
+core.getBooleanInput = function getBooleanInput(name, options) {
+  const trueValue = ['true', 'True', 'TRUE']
+  const falseValue = ['false', 'False', 'FALSE']
+  const val = core.getInput(name, options)
+  if (!val) return false // replace with default InputOption
+  if (trueValue.includes(val)) return true
+  if (falseValue.includes(val)) return false
+  throw new TypeError(
+    `Input does not meet YAML 1.2 "Core Schema" specification: ${name}\n` +
+      `Support boolean input list: \`true | True | TRUE | false | False | FALSE\``
+  )
+}
+
+
 try {
     const privateKey = core.getInput('ssh-private-key');
+    const logPublicKey = core.getBooleanInput('log-public-key', {required: false});
 
     if (!privateKey) {
         core.setFailed("The ssh-private-key argument is empty. Maybe the secret has not been configured, or you are using a wrong secret name in your workflow file.");
@@ -54,8 +71,9 @@ try {
         const parts = key.match(/\bgithub\.com[:/]([_.a-z0-9-]+\/[_.a-z0-9-]+)/i);
 
         if (!parts) {
-            console.log(`Comment for (public) key '${key}' does not match GitHub URL pattern. Not treating it as a GitHub deploy key.`);
-
+            if (logPublicKey) {
+              console.log(`Comment for (public) key '${key}' does not match GitHub URL pattern. Not treating it as a GitHub deploy key.`);
+            }
             return;
         }