diff --git a/softkeymaster/include/keymaster/softkeymaster.h b/softkeymaster/include/keymaster/softkeymaster.h
index 7d43099..f304aed 100644
--- a/softkeymaster/include/keymaster/softkeymaster.h
+++ b/softkeymaster/include/keymaster/softkeymaster.h
@@ -16,31 +16,26 @@
 
 #include <hardware/keymaster.h>
 
-#ifndef SOFTKEYMASTER_INCLUDE_KEYMASTER_SOFTKEYMASTER_H
-#define SOFTKEYMASTER_INCLUDE_KEYMASTER_SOFTKEYMASTER_H
+#ifndef SOFTKEYMASTER_INCLUDE_KEYMASTER_SOFTKEYMASTER_H_
+#define SOFTKEYMASTER_INCLUDE_KEYMASTER_SOFTKEYMASTER_H_
 
-int openssl_generate_keypair(const keymaster_device_t* dev,
-        const keymaster_keypair_t key_type, const void* key_params,
-        uint8_t** keyBlob, size_t* keyBlobLength);
+int openssl_generate_keypair(const keymaster_device_t* dev, const keymaster_keypair_t key_type,
+                             const void* key_params, uint8_t** keyBlob, size_t* keyBlobLength);
 
-int openssl_import_keypair(const keymaster_device_t* dev,
-        const uint8_t* key, const size_t key_length,
-        uint8_t** key_blob, size_t* key_blob_length);
+int openssl_import_keypair(const keymaster_device_t* dev, const uint8_t* key,
+                           const size_t key_length, uint8_t** key_blob, size_t* key_blob_length);
 
-int openssl_get_keypair_public(const struct keymaster_device* dev,
-        const uint8_t* key_blob, const size_t key_blob_length,
-        uint8_t** x509_data, size_t* x509_data_length);
+int openssl_get_keypair_public(const struct keymaster_device* dev, const uint8_t* key_blob,
+                               const size_t key_blob_length, uint8_t** x509_data,
+                               size_t* x509_data_length);
 
-int openssl_sign_data(const keymaster_device_t* dev,
-        const void* params,
-        const uint8_t* keyBlob, const size_t keyBlobLength,
-        const uint8_t* data, const size_t dataLength,
-        uint8_t** signedData, size_t* signedDataLength);
+int openssl_sign_data(const keymaster_device_t* dev, const void* params, const uint8_t* keyBlob,
+                      const size_t keyBlobLength, const uint8_t* data, const size_t dataLength,
+                      uint8_t** signedData, size_t* signedDataLength);
 
-int openssl_verify_data(const keymaster_device_t* dev,
-        const void* params,
-        const uint8_t* keyBlob, const size_t keyBlobLength,
-        const uint8_t* signedData, const size_t signedDataLength,
-        const uint8_t* signature, const size_t signatureLength);
+int openssl_verify_data(const keymaster_device_t* dev, const void* params, const uint8_t* keyBlob,
+                        const size_t keyBlobLength, const uint8_t* signedData,
+                        const size_t signedDataLength, const uint8_t* signature,
+                        const size_t signatureLength);
 
-#endif /* SOFTKEYMASTER_INCLUDE_KEYMASTER_SOFTKEYMASTER_H */
+#endif  // SOFTKEYMASTER_INCLUDE_KEYMASTER_SOFTKEYMASTER_H_