diff --git a/src/main/scala/gitbucket/core/controller/AccountController.scala b/src/main/scala/gitbucket/core/controller/AccountController.scala
index 1394702..5a427b3 100644
--- a/src/main/scala/gitbucket/core/controller/AccountController.scala
+++ b/src/main/scala/gitbucket/core/controller/AccountController.scala
@@ -61,31 +61,31 @@
 
   val sshKeyForm = mapping(
     "title"     -> trim(label("Title", text(required, maxlength(100)))),
-    "publicKey" -> trim(label("Key"  , text(required, validPublicKey)))
+    "publicKey" -> trim2(label("Key" , text(required, validPublicKey)))
   )(SshKeyForm.apply)
 
   val personalTokenForm = mapping(
-    "note"     -> trim(label("Token", text(required, maxlength(100))))
+    "note" -> trim(label("Token", text(required, maxlength(100))))
   )(PersonalTokenForm.apply)
 
   case class NewGroupForm(groupName: String, description: Option[String], url: Option[String], fileId: Option[String], members: String)
   case class EditGroupForm(groupName: String, description: Option[String], url: Option[String], fileId: Option[String], members: String, clearImage: Boolean)
 
   val newGroupForm = mapping(
-    "groupName" -> trim(label("Group name" ,text(required, maxlength(100), identifier, uniqueUserName, reservedNames))),
+    "groupName"   -> trim(label("Group name" ,text(required, maxlength(100), identifier, uniqueUserName, reservedNames))),
     "description" -> trim(label("Group description", optional(text()))),
-    "url"       -> trim(label("URL"        ,optional(text(maxlength(200))))),
-    "fileId"    -> trim(label("File ID"    ,optional(text()))),
-    "members"   -> trim(label("Members"    ,text(required, members)))
+    "url"         -> trim(label("URL"        ,optional(text(maxlength(200))))),
+    "fileId"      -> trim(label("File ID"    ,optional(text()))),
+    "members"     -> trim(label("Members"    ,text(required, members)))
   )(NewGroupForm.apply)
 
   val editGroupForm = mapping(
-    "groupName"  -> trim(label("Group name"  ,text(required, maxlength(100), identifier))),
+    "groupName"   -> trim(label("Group name"  ,text(required, maxlength(100), identifier))),
     "description" -> trim(label("Group description", optional(text()))),
-    "url"        -> trim(label("URL"         ,optional(text(maxlength(200))))),
-    "fileId"     -> trim(label("File ID"     ,optional(text()))),
-    "members"    -> trim(label("Members"     ,text(required, members))),
-    "clearImage" -> trim(label("Clear image" ,boolean()))
+    "url"         -> trim(label("URL"         ,optional(text(maxlength(200))))),
+    "fileId"      -> trim(label("File ID"     ,optional(text()))),
+    "members"     -> trim(label("Members"     ,text(required, members))),
+    "clearImage"  -> trim(label("Clear image" ,boolean()))
   )(EditGroupForm.apply)
 
   case class RepositoryCreationForm(owner: String, name: String, description: Option[String], isPrivate: Boolean, createReadme: Boolean)
diff --git a/src/main/scala/gitbucket/core/controller/ControllerBase.scala b/src/main/scala/gitbucket/core/controller/ControllerBase.scala
index ceff777..08a2941 100644
--- a/src/main/scala/gitbucket/core/controller/ControllerBase.scala
+++ b/src/main/scala/gitbucket/core/controller/ControllerBase.scala
@@ -160,6 +160,18 @@
     else baseUrl + super.url(path, params, false, false, false)
 
   /**
+   * Extends scalatra-form's trim rule to eliminate CR and LF.
+   */
+  protected def trim2[T](valueType: SingleValueType[T]): SingleValueType[T] = new SingleValueType[T](){
+    def convert(value: String, messages: Messages): T = valueType.convert(trim(value), messages)
+
+    override def validate(name: String, value: String, params: Map[String, String], messages: Messages): Seq[(String, String)] =
+      valueType.validate(name, trim(value), params, messages)
+
+    private def trim(value: String): String = if(value == null) null else value.replaceAll("\r\n", "").trim
+  }
+
+  /**
    * Use this method to response the raw data against XSS.
    */
   protected def RawData[T](contentType: String, rawData: T): T = {
diff --git a/src/main/scala/gitbucket/core/controller/RepositorySettingsController.scala b/src/main/scala/gitbucket/core/controller/RepositorySettingsController.scala
index 0ca0305..356de85 100644
--- a/src/main/scala/gitbucket/core/controller/RepositorySettingsController.scala
+++ b/src/main/scala/gitbucket/core/controller/RepositorySettingsController.scala
@@ -63,7 +63,7 @@
 
   val deployKeyForm = mapping(
     "title"      -> trim(label("Title", text(required, maxlength(100)))),
-    "publicKey"  -> trim(label("Key"  , text(required))), // TODO duplication check in the repository?
+    "publicKey"  -> trim2(label("Key" , text(required))), // TODO duplication check in the repository?
     "allowWrite" -> trim(label("Key"  , boolean()))
   )(DeployKeyForm.apply)
 
diff --git a/src/main/scala/gitbucket/core/ssh/SshUtil.scala b/src/main/scala/gitbucket/core/ssh/SshUtil.scala
index 62eb97a..9563ab3 100644
--- a/src/main/scala/gitbucket/core/ssh/SshUtil.scala
+++ b/src/main/scala/gitbucket/core/ssh/SshUtil.scala
@@ -18,16 +18,17 @@
     val parts = key.split(" ")
     if (parts.size < 2) {
       logger.debug(s"Invalid PublicKey Format: ${key}")
-      return None
-    }
-    try {
-      val encodedKey = parts(1)
-      val decode = Base64.getDecoder.decode(Constants.encodeASCII(encodedKey))
-      Some(new ByteArrayBuffer(decode).getRawPublicKey)
-    } catch {
-      case e: Throwable =>
-        logger.debug(e.getMessage, e)
-        None
+      None
+    } else {
+      try {
+        val encodedKey = parts(1)
+        val decode = Base64.getDecoder.decode(Constants.encodeASCII(encodedKey))
+        Some(new ByteArrayBuffer(decode).getRawPublicKey)
+      } catch {
+        case e: Throwable =>
+          logger.debug(e.getMessage, e)
+          None
+      }
     }
   }