Common spelling errors fixed.

src/libpts/pts/pts.c

@@ -294,7 +294,7 @@ METHOD(pts_t, is_path_valid, bool, private_pts_t *this, char *path,
 	}
 	else
 	{
-		DBG1(DBG_PTS, "error: %s occured while validating path: %s",
+		DBG1(DBG_PTS, "error: %s occurred while validating path: %s",
 			 		   strerror(error), path);
 		return FALSE;
 	}

src/libpts/pts/pts.h

@@ -120,7 +120,7 @@ struct pts_t {
 	 * @param error_code	Output variable for PTS error code
 	 * @return				TRUE if path is valid or file/directory doesn't exist
 	 * 							or path is invalid
-	 * 						FALSE if local error occured within stat function
+	 * 						FALSE if local error occurred within stat function
 	 */
 	bool (*is_path_valid)(pts_t *this, char *path, pts_error_code_t *error_code);
 

src/libpts/tcg/tcg_pts_attr_tpm_version_info.c

@@ -30,7 +30,7 @@ typedef struct private_tcg_pts_attr_tpm_version_info_t private_tcg_pts_attr_tpm_
  *   0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
  *
  *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
- *  |		  TPM Version Information (Variable Lenght)				|
+ *  |		  TPM Version Information (Variable Length)				|
  *  +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
  *
  * see TPM Structure Specification Part 2, section 21.6: TPM_CAP_VERSION_INFO

src/libstrongswan/plugins/pkcs11/pkcs11_private_key.h

@@ -60,7 +60,7 @@ pkcs11_private_key_t *pkcs11_private_key_connect(key_type_t type, va_list args);
  *
  * @param scheme		signature scheme
  * @param type			key type
- * @param keylen		key lenght in bits
+ * @param keylen		key length in bits
  * @param hash			hash algorithm to apply first (HASH_UNKNOWN if none)
  */
 CK_MECHANISM_PTR pkcs11_signature_scheme_to_mech(signature_scheme_t scheme,