Change some naming style issues and remove useless code

Signed-off-by: XiaokangQian <xiaokang.qian@arm.com>
diff --git a/library/ssl_misc.h b/library/ssl_misc.h
index 7044769..6b9bc59 100644
--- a/library/ssl_misc.h
+++ b/library/ssl_misc.h
@@ -775,20 +775,6 @@
 
 #endif /* MBEDTLS_SSL_CLI_C */
 
-        /* Incoming CertificateVerify */
-        struct
-        {
-            unsigned char verify_buffer[ 64 + 33 + 1 + MBEDTLS_MD_MAX_SIZE ];
-            size_t verify_buffer_len;
-        } certificate_verify_in;
-
-        /* Outgoing CertificateVerify */
-        struct
-        {
-            unsigned char handshake_hash[ MBEDTLS_MD_MAX_SIZE ];
-            size_t handshake_hash_len;
-        } certificate_verify_out;
-
     } state_local;
 
     /* End of state-local variables. */
@@ -1236,11 +1222,8 @@
 int mbedtls_ssl_write_record( mbedtls_ssl_context *ssl, uint8_t force_flush );
 int mbedtls_ssl_flush_output( mbedtls_ssl_context *ssl );
 
-int mbedtls_ssl_read_certificate_process(mbedtls_ssl_context *ssl);
-int mbedtls_ssl_write_certificate_process(mbedtls_ssl_context *ssl);
-
-int mbedtls_ssl_tls13_finished_in_process( mbedtls_ssl_context *ssl );
-int mbedtls_ssl_tls13_finished_out_process( mbedtls_ssl_context *ssl );
+int mbedtls_ssl_tls13_process_finished_in( mbedtls_ssl_context *ssl );
+int mbedtls_ssl_tls13_process_finished_out( mbedtls_ssl_context *ssl );
 
 int mbedtls_ssl_parse_certificate( mbedtls_ssl_context *ssl );
 int mbedtls_ssl_write_certificate( mbedtls_ssl_context *ssl );
diff --git a/library/ssl_tls13_client.c b/library/ssl_tls13_client.c
index 5dba0f0..8644db9 100644
--- a/library/ssl_tls13_client.c
+++ b/library/ssl_tls13_client.c
@@ -1605,7 +1605,7 @@
  */
 static int ssl_tls1_3_process_server_finished( mbedtls_ssl_context *ssl )
 {
-    return ( mbedtls_ssl_tls13_finished_in_process( ssl ) );
+    return ( mbedtls_ssl_tls13_process_finished_in( ssl ) );
 }
 
 /*
diff --git a/library/ssl_tls13_generic.c b/library/ssl_tls13_generic.c
index f379485..b2e5ad0 100644
--- a/library/ssl_tls13_generic.c
+++ b/library/ssl_tls13_generic.c
@@ -851,20 +851,17 @@
  * Overview
  */
 
-/* Main entry point: orchestrates the other functions */
-int mbedtls_ssl_tls13_finished_in_process( mbedtls_ssl_context* ssl );
-
-static int ssl_tls13_finished_in_preprocess( mbedtls_ssl_context* ssl );
-static int ssl_tls13_finished_in_postprocess( mbedtls_ssl_context* ssl );
-static int ssl_tls13_finished_in_parse( mbedtls_ssl_context* ssl,
-                                  const unsigned char* buf,
-                                  size_t buflen );
+static int ssl_tls13_preprocess_finished_in( mbedtls_ssl_context *ssl );
+static int ssl_tls13_postprocess_finished_in( mbedtls_ssl_context *ssl );
+static int ssl_tls13_parse_finished_in( mbedtls_ssl_context *ssl,
+                                        const unsigned char *buf,
+                                        size_t buflen );
 
 /*
  * Implementation
  */
 
-int mbedtls_ssl_tls13_finished_in_process( mbedtls_ssl_context* ssl )
+int mbedtls_ssl_tls13_process_finished_in( mbedtls_ssl_context *ssl )
 {
     int ret = 0;
     unsigned char *buf;
@@ -873,15 +870,15 @@
     MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> parse server finished_in_process" ) );
 
     /* Preprocessing step: Compute handshake digest */
-    MBEDTLS_SSL_PROC_CHK( ssl_tls13_finished_in_preprocess( ssl ) );
+    MBEDTLS_SSL_PROC_CHK( ssl_tls13_preprocess_finished_in( ssl ) );
 
     MBEDTLS_SSL_PROC_CHK( mbedtls_ssl_tls1_3_fetch_handshake_msg( ssl,
                                               MBEDTLS_SSL_HS_FINISHED,
                                               &buf, &buflen ) );
-    MBEDTLS_SSL_PROC_CHK( ssl_tls13_finished_in_parse( ssl, buf, buflen ) );
+    MBEDTLS_SSL_PROC_CHK( ssl_tls13_parse_finished_in( ssl, buf, buflen ) );
     mbedtls_ssl_tls1_3_add_hs_msg_to_checksum(
         ssl, MBEDTLS_SSL_HS_FINISHED, buf, buflen );
-    MBEDTLS_SSL_PROC_CHK( ssl_tls13_finished_in_postprocess( ssl ) );
+    MBEDTLS_SSL_PROC_CHK( ssl_tls13_postprocess_finished_in( ssl ) );
 
 cleanup:
 
@@ -889,7 +886,7 @@
     return( ret );
 }
 
-static int ssl_tls13_finished_in_preprocess( mbedtls_ssl_context* ssl )
+static int ssl_tls13_preprocess_finished_in( mbedtls_ssl_context *ssl )
 {
     int ret;
 
@@ -907,9 +904,9 @@
     return( 0 );
 }
 
-static int ssl_tls13_finished_in_parse( mbedtls_ssl_context* ssl,
-                                  const unsigned char* buf,
-                                  size_t buflen )
+static int ssl_tls13_parse_finished_in( mbedtls_ssl_context *ssl,
+                                        const unsigned char *buf,
+                                        size_t buflen )
 {
     /* Structural validation */
     if( buflen != ssl->handshake->state_local.finished_in.digest_len )
@@ -941,7 +938,7 @@
     return( 0 );
 }
 
-static int ssl_tls13_finished_in_postprocess_cli( mbedtls_ssl_context *ssl )
+static int ssl_tls13_postprocess_finished_in_cli( mbedtls_ssl_context *ssl )
 {
     int ret = 0;
     mbedtls_ssl_key_set traffic_keys;
@@ -1001,12 +998,12 @@
     return( ret );
 }
 
-static int ssl_tls13_finished_in_postprocess( mbedtls_ssl_context* ssl )
+static int ssl_tls13_postprocess_finished_in( mbedtls_ssl_context* ssl )
 {
 
     if( ssl->conf->endpoint == MBEDTLS_SSL_IS_CLIENT )
     {
-        return( ssl_tls13_finished_in_postprocess_cli( ssl ) );
+        return( ssl_tls13_postprocess_finished_in_cli( ssl ) );
     }
 
     return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
diff --git a/library/ssl_tls13_keys.h b/library/ssl_tls13_keys.h
index e96cfc1..fbc6e83 100644
--- a/library/ssl_tls13_keys.h
+++ b/library/ssl_tls13_keys.h
@@ -626,9 +626,9 @@
  * \returns    A negative error code on failure.
  */
 int mbedtls_ssl_tls1_3_calculate_expected_finished( mbedtls_ssl_context *ssl,
-                                      unsigned char *dst,
-                                      size_t dst_len,
-                                      size_t *actual_len,
-                                      int from );
+                                                    unsigned char *dst,
+                                                    size_t dst_len,
+                                                    size_t *actual_len,
+                                                    int from );
 
 #endif /* MBEDTLS_SSL_TLS1_3_KEYS_H */