diff --git a/include/mbedtls/pem.h b/include/mbedtls/pem.h
index baceb07..ec7fe03 100644
--- a/include/mbedtls/pem.h
+++ b/include/mbedtls/pem.h
@@ -34,23 +34,23 @@
  * \{
  */
 /** No PEM header or footer found. */
-#define MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT          -0x1080
+#define MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT -0x1080
 /** PEM string is not as expected. */
-#define MBEDTLS_ERR_PEM_INVALID_DATA                      -0x1100
+#define MBEDTLS_ERR_PEM_INVALID_DATA -0x1100
 /** Failed to allocate memory. */
-#define MBEDTLS_ERR_PEM_ALLOC_FAILED                      -0x1180
+#define MBEDTLS_ERR_PEM_ALLOC_FAILED -0x1180
 /** RSA IV is not in hex-format. */
-#define MBEDTLS_ERR_PEM_INVALID_ENC_IV                    -0x1200
+#define MBEDTLS_ERR_PEM_INVALID_ENC_IV -0x1200
 /** Unsupported key encryption algorithm. */
-#define MBEDTLS_ERR_PEM_UNKNOWN_ENC_ALG                   -0x1280
+#define MBEDTLS_ERR_PEM_UNKNOWN_ENC_ALG -0x1280
 /** Private key password can't be empty. */
-#define MBEDTLS_ERR_PEM_PASSWORD_REQUIRED                 -0x1300
+#define MBEDTLS_ERR_PEM_PASSWORD_REQUIRED -0x1300
 /** Given private key password does not allow for correct decryption. */
-#define MBEDTLS_ERR_PEM_PASSWORD_MISMATCH                 -0x1380
+#define MBEDTLS_ERR_PEM_PASSWORD_MISMATCH -0x1380
 /** Unavailable feature, e.g. hashing/encryption combination. */
-#define MBEDTLS_ERR_PEM_FEATURE_UNAVAILABLE               -0x1400
+#define MBEDTLS_ERR_PEM_FEATURE_UNAVAILABLE -0x1400
 /** Bad input parameters to function. */
-#define MBEDTLS_ERR_PEM_BAD_INPUT_DATA                    -0x1480
+#define MBEDTLS_ERR_PEM_BAD_INPUT_DATA -0x1480
 /* \} name */
 
 #ifdef __cplusplus
@@ -61,20 +61,19 @@
 /**
  * \brief       PEM context structure
  */
-typedef struct mbedtls_pem_context
-{
-    unsigned char *MBEDTLS_PRIVATE(buf);     /*!< buffer for decoded data             */
-    size_t MBEDTLS_PRIVATE(buflen);          /*!< length of the buffer                */
-    unsigned char *MBEDTLS_PRIVATE(info);    /*!< buffer for extra header information */
-}
-mbedtls_pem_context;
+typedef struct mbedtls_pem_context {
+    unsigned char *MBEDTLS_PRIVATE(buf); /*!< buffer for decoded data */
+    size_t MBEDTLS_PRIVATE(buflen); /*!< length of the buffer                */
+    unsigned char *MBEDTLS_PRIVATE(info); /*!< buffer for extra header
+                                             information */
+} mbedtls_pem_context;
 
 /**
  * \brief       PEM context setup
  *
  * \param ctx   context to be initialized
  */
-void mbedtls_pem_init( mbedtls_pem_context *ctx );
+void mbedtls_pem_init(mbedtls_pem_context *ctx);
 
 /**
  * \brief       Read a buffer for PEM information and store the resulting
@@ -98,17 +97,20 @@
  *
  * \return          0 on success, or a specific PEM error code
  */
-int mbedtls_pem_read_buffer( mbedtls_pem_context *ctx, const char *header, const char *footer,
-                     const unsigned char *data,
-                     const unsigned char *pwd,
-                     size_t pwdlen, size_t *use_len );
+int mbedtls_pem_read_buffer(mbedtls_pem_context *ctx,
+                            const char *header,
+                            const char *footer,
+                            const unsigned char *data,
+                            const unsigned char *pwd,
+                            size_t pwdlen,
+                            size_t *use_len);
 
 /**
  * \brief       PEM context memory freeing
  *
  * \param ctx   context to be freed
  */
-void mbedtls_pem_free( mbedtls_pem_context *ctx );
+void mbedtls_pem_free(mbedtls_pem_context *ctx);
 #endif /* MBEDTLS_PEM_PARSE_C */
 
 #if defined(MBEDTLS_PEM_WRITE_C)
@@ -138,9 +140,13 @@
  *                  the required minimum size of \p buf.
  * \return          Another PEM or BASE64 error code on other kinds of failure.
  */
-int mbedtls_pem_write_buffer( const char *header, const char *footer,
-                      const unsigned char *der_data, size_t der_len,
-                      unsigned char *buf, size_t buf_len, size_t *olen );
+int mbedtls_pem_write_buffer(const char *header,
+                             const char *footer,
+                             const unsigned char *der_data,
+                             size_t der_len,
+                             unsigned char *buf,
+                             size_t buf_len,
+                             size_t *olen);
 #endif /* MBEDTLS_PEM_WRITE_C */
 
 #ifdef __cplusplus