diff --git a/library/des.c b/library/des.c
index 9908582..29f7215 100644
--- a/library/des.c
+++ b/library/des.c
@@ -27,339 +27,304 @@
 
 #if defined(MBEDTLS_DES_C)
 
-#include "mbedtls/des.h"
-#include "mbedtls/platform_util.h"
+#    include "mbedtls/des.h"
+#    include "mbedtls/platform_util.h"
 
-#include <string.h>
+#    include <string.h>
 
-#if defined(MBEDTLS_SELF_TEST)
-#if defined(MBEDTLS_PLATFORM_C)
-#include "mbedtls/platform.h"
-#else
-#include <stdio.h>
-#define mbedtls_printf printf
-#endif /* MBEDTLS_PLATFORM_C */
-#endif /* MBEDTLS_SELF_TEST */
+#    if defined(MBEDTLS_SELF_TEST)
+#        if defined(MBEDTLS_PLATFORM_C)
+#            include "mbedtls/platform.h"
+#        else
+#            include <stdio.h>
+#            define mbedtls_printf printf
+#        endif /* MBEDTLS_PLATFORM_C */
+#    endif /* MBEDTLS_SELF_TEST */
 
-#if !defined(MBEDTLS_DES_ALT)
+#    if !defined(MBEDTLS_DES_ALT)
 
 /*
  * 32-bit integer manipulation macros (big endian)
  */
-#ifndef GET_UINT32_BE
-#define GET_UINT32_BE(n,b,i)                            \
-{                                                       \
-    (n) = ( (uint32_t) (b)[(i)    ] << 24 )             \
-        | ( (uint32_t) (b)[(i) + 1] << 16 )             \
-        | ( (uint32_t) (b)[(i) + 2] <<  8 )             \
-        | ( (uint32_t) (b)[(i) + 3]       );            \
-}
-#endif
+#        ifndef GET_UINT32_BE
+#            define GET_UINT32_BE(n, b, i)                 \
+                {                                          \
+                    (n) = ((uint32_t)(b)[(i)] << 24) |     \
+                          ((uint32_t)(b)[(i) + 1] << 16) | \
+                          ((uint32_t)(b)[(i) + 2] << 8) |  \
+                          ((uint32_t)(b)[(i) + 3]);        \
+                }
+#        endif
 
-#ifndef PUT_UINT32_BE
-#define PUT_UINT32_BE(n,b,i)                            \
-{                                                       \
-    (b)[(i)    ] = (unsigned char) ( (n) >> 24 );       \
-    (b)[(i) + 1] = (unsigned char) ( (n) >> 16 );       \
-    (b)[(i) + 2] = (unsigned char) ( (n) >>  8 );       \
-    (b)[(i) + 3] = (unsigned char) ( (n)       );       \
-}
-#endif
+#        ifndef PUT_UINT32_BE
+#            define PUT_UINT32_BE(n, b, i)                     \
+                {                                              \
+                    (b)[(i)] = (unsigned char)((n) >> 24);     \
+                    (b)[(i) + 1] = (unsigned char)((n) >> 16); \
+                    (b)[(i) + 2] = (unsigned char)((n) >> 8);  \
+                    (b)[(i) + 3] = (unsigned char)((n));       \
+                }
+#        endif
 
 /*
  * Expanded DES S-boxes
  */
-static const uint32_t SB1[64] =
-{
-    0x01010400, 0x00000000, 0x00010000, 0x01010404,
-    0x01010004, 0x00010404, 0x00000004, 0x00010000,
-    0x00000400, 0x01010400, 0x01010404, 0x00000400,
-    0x01000404, 0x01010004, 0x01000000, 0x00000004,
-    0x00000404, 0x01000400, 0x01000400, 0x00010400,
-    0x00010400, 0x01010000, 0x01010000, 0x01000404,
-    0x00010004, 0x01000004, 0x01000004, 0x00010004,
-    0x00000000, 0x00000404, 0x00010404, 0x01000000,
-    0x00010000, 0x01010404, 0x00000004, 0x01010000,
-    0x01010400, 0x01000000, 0x01000000, 0x00000400,
-    0x01010004, 0x00010000, 0x00010400, 0x01000004,
-    0x00000400, 0x00000004, 0x01000404, 0x00010404,
-    0x01010404, 0x00010004, 0x01010000, 0x01000404,
-    0x01000004, 0x00000404, 0x00010404, 0x01010400,
-    0x00000404, 0x01000400, 0x01000400, 0x00000000,
+static const uint32_t SB1[64] = {
+    0x01010400, 0x00000000, 0x00010000, 0x01010404, 0x01010004, 0x00010404,
+    0x00000004, 0x00010000, 0x00000400, 0x01010400, 0x01010404, 0x00000400,
+    0x01000404, 0x01010004, 0x01000000, 0x00000004, 0x00000404, 0x01000400,
+    0x01000400, 0x00010400, 0x00010400, 0x01010000, 0x01010000, 0x01000404,
+    0x00010004, 0x01000004, 0x01000004, 0x00010004, 0x00000000, 0x00000404,
+    0x00010404, 0x01000000, 0x00010000, 0x01010404, 0x00000004, 0x01010000,
+    0x01010400, 0x01000000, 0x01000000, 0x00000400, 0x01010004, 0x00010000,
+    0x00010400, 0x01000004, 0x00000400, 0x00000004, 0x01000404, 0x00010404,
+    0x01010404, 0x00010004, 0x01010000, 0x01000404, 0x01000004, 0x00000404,
+    0x00010404, 0x01010400, 0x00000404, 0x01000400, 0x01000400, 0x00000000,
     0x00010004, 0x00010400, 0x00000000, 0x01010004
 };
 
-static const uint32_t SB2[64] =
-{
-    0x80108020, 0x80008000, 0x00008000, 0x00108020,
-    0x00100000, 0x00000020, 0x80100020, 0x80008020,
-    0x80000020, 0x80108020, 0x80108000, 0x80000000,
-    0x80008000, 0x00100000, 0x00000020, 0x80100020,
-    0x00108000, 0x00100020, 0x80008020, 0x00000000,
-    0x80000000, 0x00008000, 0x00108020, 0x80100000,
-    0x00100020, 0x80000020, 0x00000000, 0x00108000,
-    0x00008020, 0x80108000, 0x80100000, 0x00008020,
-    0x00000000, 0x00108020, 0x80100020, 0x00100000,
-    0x80008020, 0x80100000, 0x80108000, 0x00008000,
-    0x80100000, 0x80008000, 0x00000020, 0x80108020,
-    0x00108020, 0x00000020, 0x00008000, 0x80000000,
-    0x00008020, 0x80108000, 0x00100000, 0x80000020,
-    0x00100020, 0x80008020, 0x80000020, 0x00100020,
-    0x00108000, 0x00000000, 0x80008000, 0x00008020,
+static const uint32_t SB2[64] = {
+    0x80108020, 0x80008000, 0x00008000, 0x00108020, 0x00100000, 0x00000020,
+    0x80100020, 0x80008020, 0x80000020, 0x80108020, 0x80108000, 0x80000000,
+    0x80008000, 0x00100000, 0x00000020, 0x80100020, 0x00108000, 0x00100020,
+    0x80008020, 0x00000000, 0x80000000, 0x00008000, 0x00108020, 0x80100000,
+    0x00100020, 0x80000020, 0x00000000, 0x00108000, 0x00008020, 0x80108000,
+    0x80100000, 0x00008020, 0x00000000, 0x00108020, 0x80100020, 0x00100000,
+    0x80008020, 0x80100000, 0x80108000, 0x00008000, 0x80100000, 0x80008000,
+    0x00000020, 0x80108020, 0x00108020, 0x00000020, 0x00008000, 0x80000000,
+    0x00008020, 0x80108000, 0x00100000, 0x80000020, 0x00100020, 0x80008020,
+    0x80000020, 0x00100020, 0x00108000, 0x00000000, 0x80008000, 0x00008020,
     0x80000000, 0x80100020, 0x80108020, 0x00108000
 };
 
-static const uint32_t SB3[64] =
-{
-    0x00000208, 0x08020200, 0x00000000, 0x08020008,
-    0x08000200, 0x00000000, 0x00020208, 0x08000200,
-    0x00020008, 0x08000008, 0x08000008, 0x00020000,
-    0x08020208, 0x00020008, 0x08020000, 0x00000208,
-    0x08000000, 0x00000008, 0x08020200, 0x00000200,
-    0x00020200, 0x08020000, 0x08020008, 0x00020208,
-    0x08000208, 0x00020200, 0x00020000, 0x08000208,
-    0x00000008, 0x08020208, 0x00000200, 0x08000000,
-    0x08020200, 0x08000000, 0x00020008, 0x00000208,
-    0x00020000, 0x08020200, 0x08000200, 0x00000000,
-    0x00000200, 0x00020008, 0x08020208, 0x08000200,
-    0x08000008, 0x00000200, 0x00000000, 0x08020008,
-    0x08000208, 0x00020000, 0x08000000, 0x08020208,
-    0x00000008, 0x00020208, 0x00020200, 0x08000008,
-    0x08020000, 0x08000208, 0x00000208, 0x08020000,
+static const uint32_t SB3[64] = {
+    0x00000208, 0x08020200, 0x00000000, 0x08020008, 0x08000200, 0x00000000,
+    0x00020208, 0x08000200, 0x00020008, 0x08000008, 0x08000008, 0x00020000,
+    0x08020208, 0x00020008, 0x08020000, 0x00000208, 0x08000000, 0x00000008,
+    0x08020200, 0x00000200, 0x00020200, 0x08020000, 0x08020008, 0x00020208,
+    0x08000208, 0x00020200, 0x00020000, 0x08000208, 0x00000008, 0x08020208,
+    0x00000200, 0x08000000, 0x08020200, 0x08000000, 0x00020008, 0x00000208,
+    0x00020000, 0x08020200, 0x08000200, 0x00000000, 0x00000200, 0x00020008,
+    0x08020208, 0x08000200, 0x08000008, 0x00000200, 0x00000000, 0x08020008,
+    0x08000208, 0x00020000, 0x08000000, 0x08020208, 0x00000008, 0x00020208,
+    0x00020200, 0x08000008, 0x08020000, 0x08000208, 0x00000208, 0x08020000,
     0x00020208, 0x00000008, 0x08020008, 0x00020200
 };
 
-static const uint32_t SB4[64] =
-{
-    0x00802001, 0x00002081, 0x00002081, 0x00000080,
-    0x00802080, 0x00800081, 0x00800001, 0x00002001,
-    0x00000000, 0x00802000, 0x00802000, 0x00802081,
-    0x00000081, 0x00000000, 0x00800080, 0x00800001,
-    0x00000001, 0x00002000, 0x00800000, 0x00802001,
-    0x00000080, 0x00800000, 0x00002001, 0x00002080,
-    0x00800081, 0x00000001, 0x00002080, 0x00800080,
-    0x00002000, 0x00802080, 0x00802081, 0x00000081,
-    0x00800080, 0x00800001, 0x00802000, 0x00802081,
-    0x00000081, 0x00000000, 0x00000000, 0x00802000,
-    0x00002080, 0x00800080, 0x00800081, 0x00000001,
-    0x00802001, 0x00002081, 0x00002081, 0x00000080,
-    0x00802081, 0x00000081, 0x00000001, 0x00002000,
-    0x00800001, 0x00002001, 0x00802080, 0x00800081,
-    0x00002001, 0x00002080, 0x00800000, 0x00802001,
+static const uint32_t SB4[64] = {
+    0x00802001, 0x00002081, 0x00002081, 0x00000080, 0x00802080, 0x00800081,
+    0x00800001, 0x00002001, 0x00000000, 0x00802000, 0x00802000, 0x00802081,
+    0x00000081, 0x00000000, 0x00800080, 0x00800001, 0x00000001, 0x00002000,
+    0x00800000, 0x00802001, 0x00000080, 0x00800000, 0x00002001, 0x00002080,
+    0x00800081, 0x00000001, 0x00002080, 0x00800080, 0x00002000, 0x00802080,
+    0x00802081, 0x00000081, 0x00800080, 0x00800001, 0x00802000, 0x00802081,
+    0x00000081, 0x00000000, 0x00000000, 0x00802000, 0x00002080, 0x00800080,
+    0x00800081, 0x00000001, 0x00802001, 0x00002081, 0x00002081, 0x00000080,
+    0x00802081, 0x00000081, 0x00000001, 0x00002000, 0x00800001, 0x00002001,
+    0x00802080, 0x00800081, 0x00002001, 0x00002080, 0x00800000, 0x00802001,
     0x00000080, 0x00800000, 0x00002000, 0x00802080
 };
 
-static const uint32_t SB5[64] =
-{
-    0x00000100, 0x02080100, 0x02080000, 0x42000100,
-    0x00080000, 0x00000100, 0x40000000, 0x02080000,
-    0x40080100, 0x00080000, 0x02000100, 0x40080100,
-    0x42000100, 0x42080000, 0x00080100, 0x40000000,
-    0x02000000, 0x40080000, 0x40080000, 0x00000000,
-    0x40000100, 0x42080100, 0x42080100, 0x02000100,
-    0x42080000, 0x40000100, 0x00000000, 0x42000000,
-    0x02080100, 0x02000000, 0x42000000, 0x00080100,
-    0x00080000, 0x42000100, 0x00000100, 0x02000000,
-    0x40000000, 0x02080000, 0x42000100, 0x40080100,
-    0x02000100, 0x40000000, 0x42080000, 0x02080100,
-    0x40080100, 0x00000100, 0x02000000, 0x42080000,
-    0x42080100, 0x00080100, 0x42000000, 0x42080100,
-    0x02080000, 0x00000000, 0x40080000, 0x42000000,
-    0x00080100, 0x02000100, 0x40000100, 0x00080000,
+static const uint32_t SB5[64] = {
+    0x00000100, 0x02080100, 0x02080000, 0x42000100, 0x00080000, 0x00000100,
+    0x40000000, 0x02080000, 0x40080100, 0x00080000, 0x02000100, 0x40080100,
+    0x42000100, 0x42080000, 0x00080100, 0x40000000, 0x02000000, 0x40080000,
+    0x40080000, 0x00000000, 0x40000100, 0x42080100, 0x42080100, 0x02000100,
+    0x42080000, 0x40000100, 0x00000000, 0x42000000, 0x02080100, 0x02000000,
+    0x42000000, 0x00080100, 0x00080000, 0x42000100, 0x00000100, 0x02000000,
+    0x40000000, 0x02080000, 0x42000100, 0x40080100, 0x02000100, 0x40000000,
+    0x42080000, 0x02080100, 0x40080100, 0x00000100, 0x02000000, 0x42080000,
+    0x42080100, 0x00080100, 0x42000000, 0x42080100, 0x02080000, 0x00000000,
+    0x40080000, 0x42000000, 0x00080100, 0x02000100, 0x40000100, 0x00080000,
     0x00000000, 0x40080000, 0x02080100, 0x40000100
 };
 
-static const uint32_t SB6[64] =
-{
-    0x20000010, 0x20400000, 0x00004000, 0x20404010,
-    0x20400000, 0x00000010, 0x20404010, 0x00400000,
-    0x20004000, 0x00404010, 0x00400000, 0x20000010,
-    0x00400010, 0x20004000, 0x20000000, 0x00004010,
-    0x00000000, 0x00400010, 0x20004010, 0x00004000,
-    0x00404000, 0x20004010, 0x00000010, 0x20400010,
-    0x20400010, 0x00000000, 0x00404010, 0x20404000,
-    0x00004010, 0x00404000, 0x20404000, 0x20000000,
-    0x20004000, 0x00000010, 0x20400010, 0x00404000,
-    0x20404010, 0x00400000, 0x00004010, 0x20000010,
-    0x00400000, 0x20004000, 0x20000000, 0x00004010,
-    0x20000010, 0x20404010, 0x00404000, 0x20400000,
-    0x00404010, 0x20404000, 0x00000000, 0x20400010,
-    0x00000010, 0x00004000, 0x20400000, 0x00404010,
-    0x00004000, 0x00400010, 0x20004010, 0x00000000,
+static const uint32_t SB6[64] = {
+    0x20000010, 0x20400000, 0x00004000, 0x20404010, 0x20400000, 0x00000010,
+    0x20404010, 0x00400000, 0x20004000, 0x00404010, 0x00400000, 0x20000010,
+    0x00400010, 0x20004000, 0x20000000, 0x00004010, 0x00000000, 0x00400010,
+    0x20004010, 0x00004000, 0x00404000, 0x20004010, 0x00000010, 0x20400010,
+    0x20400010, 0x00000000, 0x00404010, 0x20404000, 0x00004010, 0x00404000,
+    0x20404000, 0x20000000, 0x20004000, 0x00000010, 0x20400010, 0x00404000,
+    0x20404010, 0x00400000, 0x00004010, 0x20000010, 0x00400000, 0x20004000,
+    0x20000000, 0x00004010, 0x20000010, 0x20404010, 0x00404000, 0x20400000,
+    0x00404010, 0x20404000, 0x00000000, 0x20400010, 0x00000010, 0x00004000,
+    0x20400000, 0x00404010, 0x00004000, 0x00400010, 0x20004010, 0x00000000,
     0x20404000, 0x20000000, 0x00400010, 0x20004010
 };
 
-static const uint32_t SB7[64] =
-{
-    0x00200000, 0x04200002, 0x04000802, 0x00000000,
-    0x00000800, 0x04000802, 0x00200802, 0x04200800,
-    0x04200802, 0x00200000, 0x00000000, 0x04000002,
-    0x00000002, 0x04000000, 0x04200002, 0x00000802,
-    0x04000800, 0x00200802, 0x00200002, 0x04000800,
-    0x04000002, 0x04200000, 0x04200800, 0x00200002,
-    0x04200000, 0x00000800, 0x00000802, 0x04200802,
-    0x00200800, 0x00000002, 0x04000000, 0x00200800,
-    0x04000000, 0x00200800, 0x00200000, 0x04000802,
-    0x04000802, 0x04200002, 0x04200002, 0x00000002,
-    0x00200002, 0x04000000, 0x04000800, 0x00200000,
-    0x04200800, 0x00000802, 0x00200802, 0x04200800,
-    0x00000802, 0x04000002, 0x04200802, 0x04200000,
-    0x00200800, 0x00000000, 0x00000002, 0x04200802,
-    0x00000000, 0x00200802, 0x04200000, 0x00000800,
+static const uint32_t SB7[64] = {
+    0x00200000, 0x04200002, 0x04000802, 0x00000000, 0x00000800, 0x04000802,
+    0x00200802, 0x04200800, 0x04200802, 0x00200000, 0x00000000, 0x04000002,
+    0x00000002, 0x04000000, 0x04200002, 0x00000802, 0x04000800, 0x00200802,
+    0x00200002, 0x04000800, 0x04000002, 0x04200000, 0x04200800, 0x00200002,
+    0x04200000, 0x00000800, 0x00000802, 0x04200802, 0x00200800, 0x00000002,
+    0x04000000, 0x00200800, 0x04000000, 0x00200800, 0x00200000, 0x04000802,
+    0x04000802, 0x04200002, 0x04200002, 0x00000002, 0x00200002, 0x04000000,
+    0x04000800, 0x00200000, 0x04200800, 0x00000802, 0x00200802, 0x04200800,
+    0x00000802, 0x04000002, 0x04200802, 0x04200000, 0x00200800, 0x00000000,
+    0x00000002, 0x04200802, 0x00000000, 0x00200802, 0x04200000, 0x00000800,
     0x04000002, 0x04000800, 0x00000800, 0x00200002
 };
 
-static const uint32_t SB8[64] =
-{
-    0x10001040, 0x00001000, 0x00040000, 0x10041040,
-    0x10000000, 0x10001040, 0x00000040, 0x10000000,
-    0x00040040, 0x10040000, 0x10041040, 0x00041000,
-    0x10041000, 0x00041040, 0x00001000, 0x00000040,
-    0x10040000, 0x10000040, 0x10001000, 0x00001040,
-    0x00041000, 0x00040040, 0x10040040, 0x10041000,
-    0x00001040, 0x00000000, 0x00000000, 0x10040040,
-    0x10000040, 0x10001000, 0x00041040, 0x00040000,
-    0x00041040, 0x00040000, 0x10041000, 0x00001000,
-    0x00000040, 0x10040040, 0x00001000, 0x00041040,
-    0x10001000, 0x00000040, 0x10000040, 0x10040000,
-    0x10040040, 0x10000000, 0x00040000, 0x10001040,
-    0x00000000, 0x10041040, 0x00040040, 0x10000040,
-    0x10040000, 0x10001000, 0x10001040, 0x00000000,
-    0x10041040, 0x00041000, 0x00041000, 0x00001040,
+static const uint32_t SB8[64] = {
+    0x10001040, 0x00001000, 0x00040000, 0x10041040, 0x10000000, 0x10001040,
+    0x00000040, 0x10000000, 0x00040040, 0x10040000, 0x10041040, 0x00041000,
+    0x10041000, 0x00041040, 0x00001000, 0x00000040, 0x10040000, 0x10000040,
+    0x10001000, 0x00001040, 0x00041000, 0x00040040, 0x10040040, 0x10041000,
+    0x00001040, 0x00000000, 0x00000000, 0x10040040, 0x10000040, 0x10001000,
+    0x00041040, 0x00040000, 0x00041040, 0x00040000, 0x10041000, 0x00001000,
+    0x00000040, 0x10040040, 0x00001000, 0x00041040, 0x10001000, 0x00000040,
+    0x10000040, 0x10040000, 0x10040040, 0x10000000, 0x00040000, 0x10001040,
+    0x00000000, 0x10041040, 0x00040040, 0x10000040, 0x10040000, 0x10001000,
+    0x10001040, 0x00000000, 0x10041040, 0x00041000, 0x00041000, 0x00001040,
     0x00001040, 0x00040040, 0x10000000, 0x10041000
 };
 
 /*
  * PC1: left and right halves bit-swap
  */
-static const uint32_t LHs[16] =
-{
-    0x00000000, 0x00000001, 0x00000100, 0x00000101,
-    0x00010000, 0x00010001, 0x00010100, 0x00010101,
-    0x01000000, 0x01000001, 0x01000100, 0x01000101,
+static const uint32_t LHs[16] = {
+    0x00000000, 0x00000001, 0x00000100, 0x00000101, 0x00010000, 0x00010001,
+    0x00010100, 0x00010101, 0x01000000, 0x01000001, 0x01000100, 0x01000101,
     0x01010000, 0x01010001, 0x01010100, 0x01010101
 };
 
-static const uint32_t RHs[16] =
-{
-    0x00000000, 0x01000000, 0x00010000, 0x01010000,
-    0x00000100, 0x01000100, 0x00010100, 0x01010100,
-    0x00000001, 0x01000001, 0x00010001, 0x01010001,
+static const uint32_t RHs[16] = {
+    0x00000000, 0x01000000, 0x00010000, 0x01010000, 0x00000100, 0x01000100,
+    0x00010100, 0x01010100, 0x00000001, 0x01000001, 0x00010001, 0x01010001,
     0x00000101, 0x01000101, 0x00010101, 0x01010101,
 };
 
 /*
  * Initial Permutation macro
  */
-#define DES_IP(X,Y)                                                       \
-    do                                                                    \
-    {                                                                     \
-        T = (((X) >>  4) ^ (Y)) & 0x0F0F0F0F; (Y) ^= T; (X) ^= (T <<  4); \
-        T = (((X) >> 16) ^ (Y)) & 0x0000FFFF; (Y) ^= T; (X) ^= (T << 16); \
-        T = (((Y) >>  2) ^ (X)) & 0x33333333; (X) ^= T; (Y) ^= (T <<  2); \
-        T = (((Y) >>  8) ^ (X)) & 0x00FF00FF; (X) ^= T; (Y) ^= (T <<  8); \
-        (Y) = (((Y) << 1) | ((Y) >> 31)) & 0xFFFFFFFF;                    \
-        T = ((X) ^ (Y)) & 0xAAAAAAAA; (Y) ^= T; (X) ^= T;                 \
-        (X) = (((X) << 1) | ((X) >> 31)) & 0xFFFFFFFF;                    \
-    } while( 0 )
+#        define DES_IP(X, Y)                                   \
+            do {                                               \
+                T = (((X) >> 4) ^ (Y)) & 0x0F0F0F0F;           \
+                (Y) ^= T;                                      \
+                (X) ^= (T << 4);                               \
+                T = (((X) >> 16) ^ (Y)) & 0x0000FFFF;          \
+                (Y) ^= T;                                      \
+                (X) ^= (T << 16);                              \
+                T = (((Y) >> 2) ^ (X)) & 0x33333333;           \
+                (X) ^= T;                                      \
+                (Y) ^= (T << 2);                               \
+                T = (((Y) >> 8) ^ (X)) & 0x00FF00FF;           \
+                (X) ^= T;                                      \
+                (Y) ^= (T << 8);                               \
+                (Y) = (((Y) << 1) | ((Y) >> 31)) & 0xFFFFFFFF; \
+                T = ((X) ^ (Y)) & 0xAAAAAAAA;                  \
+                (Y) ^= T;                                      \
+                (X) ^= T;                                      \
+                (X) = (((X) << 1) | ((X) >> 31)) & 0xFFFFFFFF; \
+            } while (0)
 
 /*
  * Final Permutation macro
  */
-#define DES_FP(X,Y)                                                       \
-    do                                                                    \
-    {                                                                     \
-        (X) = (((X) << 31) | ((X) >> 1)) & 0xFFFFFFFF;                    \
-        T = ((X) ^ (Y)) & 0xAAAAAAAA; (X) ^= T; (Y) ^= T;                 \
-        (Y) = (((Y) << 31) | ((Y) >> 1)) & 0xFFFFFFFF;                    \
-        T = (((Y) >>  8) ^ (X)) & 0x00FF00FF; (X) ^= T; (Y) ^= (T <<  8); \
-        T = (((Y) >>  2) ^ (X)) & 0x33333333; (X) ^= T; (Y) ^= (T <<  2); \
-        T = (((X) >> 16) ^ (Y)) & 0x0000FFFF; (Y) ^= T; (X) ^= (T << 16); \
-        T = (((X) >>  4) ^ (Y)) & 0x0F0F0F0F; (Y) ^= T; (X) ^= (T <<  4); \
-    } while( 0 )
+#        define DES_FP(X, Y)                                   \
+            do {                                               \
+                (X) = (((X) << 31) | ((X) >> 1)) & 0xFFFFFFFF; \
+                T = ((X) ^ (Y)) & 0xAAAAAAAA;                  \
+                (X) ^= T;                                      \
+                (Y) ^= T;                                      \
+                (Y) = (((Y) << 31) | ((Y) >> 1)) & 0xFFFFFFFF; \
+                T = (((Y) >> 8) ^ (X)) & 0x00FF00FF;           \
+                (X) ^= T;                                      \
+                (Y) ^= (T << 8);                               \
+                T = (((Y) >> 2) ^ (X)) & 0x33333333;           \
+                (X) ^= T;                                      \
+                (Y) ^= (T << 2);                               \
+                T = (((X) >> 16) ^ (Y)) & 0x0000FFFF;          \
+                (Y) ^= T;                                      \
+                (X) ^= (T << 16);                              \
+                T = (((X) >> 4) ^ (Y)) & 0x0F0F0F0F;           \
+                (Y) ^= T;                                      \
+                (X) ^= (T << 4);                               \
+            } while (0)
 
 /*
  * DES round macro
  */
-#define DES_ROUND(X,Y)                              \
-    do                                              \
-    {                                               \
-        T = *SK++ ^ (X);                            \
-        (Y) ^= SB8[ (T      ) & 0x3F ] ^            \
-               SB6[ (T >>  8) & 0x3F ] ^            \
-               SB4[ (T >> 16) & 0x3F ] ^            \
-               SB2[ (T >> 24) & 0x3F ];             \
-                                                    \
-        T = *SK++ ^ (((X) << 28) | ((X) >> 4));     \
-        (Y) ^= SB7[ (T      ) & 0x3F ] ^            \
-               SB5[ (T >>  8) & 0x3F ] ^            \
-               SB3[ (T >> 16) & 0x3F ] ^            \
-               SB1[ (T >> 24) & 0x3F ];             \
-    } while( 0 )
+#        define DES_ROUND(X, Y)                                       \
+            do {                                                      \
+                T = *SK++ ^ (X);                                      \
+                (Y) ^= SB8[(T)&0x3F] ^ SB6[(T >> 8) & 0x3F] ^         \
+                       SB4[(T >> 16) & 0x3F] ^ SB2[(T >> 24) & 0x3F]; \
+                                                                      \
+                T = *SK++ ^ (((X) << 28) | ((X) >> 4));               \
+                (Y) ^= SB7[(T)&0x3F] ^ SB5[(T >> 8) & 0x3F] ^         \
+                       SB3[(T >> 16) & 0x3F] ^ SB1[(T >> 24) & 0x3F]; \
+            } while (0)
 
-#define SWAP(a,b)                                       \
-    do                                                  \
-    {                                                   \
-        uint32_t t = (a); (a) = (b); (b) = t; t = 0;    \
-    } while( 0 )
+#        define SWAP(a, b)        \
+            do {                  \
+                uint32_t t = (a); \
+                (a) = (b);        \
+                (b) = t;          \
+                t = 0;            \
+            } while (0)
 
-void mbedtls_des_init( mbedtls_des_context *ctx )
+void mbedtls_des_init(mbedtls_des_context *ctx)
 {
-    memset( ctx, 0, sizeof( mbedtls_des_context ) );
+    memset(ctx, 0, sizeof(mbedtls_des_context));
 }
 
-void mbedtls_des_free( mbedtls_des_context *ctx )
+void mbedtls_des_free(mbedtls_des_context *ctx)
 {
-    if( ctx == NULL )
+    if (ctx == NULL)
         return;
 
-    mbedtls_platform_zeroize( ctx, sizeof( mbedtls_des_context ) );
+    mbedtls_platform_zeroize(ctx, sizeof(mbedtls_des_context));
 }
 
-void mbedtls_des3_init( mbedtls_des3_context *ctx )
+void mbedtls_des3_init(mbedtls_des3_context *ctx)
 {
-    memset( ctx, 0, sizeof( mbedtls_des3_context ) );
+    memset(ctx, 0, sizeof(mbedtls_des3_context));
 }
 
-void mbedtls_des3_free( mbedtls_des3_context *ctx )
+void mbedtls_des3_free(mbedtls_des3_context *ctx)
 {
-    if( ctx == NULL )
+    if (ctx == NULL)
         return;
 
-    mbedtls_platform_zeroize( ctx, sizeof( mbedtls_des3_context ) );
+    mbedtls_platform_zeroize(ctx, sizeof(mbedtls_des3_context));
 }
 
-static const unsigned char odd_parity_table[128] = { 1,  2,  4,  7,  8,
-        11, 13, 14, 16, 19, 21, 22, 25, 26, 28, 31, 32, 35, 37, 38, 41, 42, 44,
-        47, 49, 50, 52, 55, 56, 59, 61, 62, 64, 67, 69, 70, 73, 74, 76, 79, 81,
-        82, 84, 87, 88, 91, 93, 94, 97, 98, 100, 103, 104, 107, 109, 110, 112,
-        115, 117, 118, 121, 122, 124, 127, 128, 131, 133, 134, 137, 138, 140,
-        143, 145, 146, 148, 151, 152, 155, 157, 158, 161, 162, 164, 167, 168,
-        171, 173, 174, 176, 179, 181, 182, 185, 186, 188, 191, 193, 194, 196,
-        199, 200, 203, 205, 206, 208, 211, 213, 214, 217, 218, 220, 223, 224,
-        227, 229, 230, 233, 234, 236, 239, 241, 242, 244, 247, 248, 251, 253,
-        254 };
+static const unsigned char odd_parity_table[128] = {
+    1,   2,   4,   7,   8,   11,  13,  14,  16,  19,  21,  22,  25,  26,  28,
+    31,  32,  35,  37,  38,  41,  42,  44,  47,  49,  50,  52,  55,  56,  59,
+    61,  62,  64,  67,  69,  70,  73,  74,  76,  79,  81,  82,  84,  87,  88,
+    91,  93,  94,  97,  98,  100, 103, 104, 107, 109, 110, 112, 115, 117, 118,
+    121, 122, 124, 127, 128, 131, 133, 134, 137, 138, 140, 143, 145, 146, 148,
+    151, 152, 155, 157, 158, 161, 162, 164, 167, 168, 171, 173, 174, 176, 179,
+    181, 182, 185, 186, 188, 191, 193, 194, 196, 199, 200, 203, 205, 206, 208,
+    211, 213, 214, 217, 218, 220, 223, 224, 227, 229, 230, 233, 234, 236, 239,
+    241, 242, 244, 247, 248, 251, 253, 254
+};
 
-void mbedtls_des_key_set_parity( unsigned char key[MBEDTLS_DES_KEY_SIZE] )
+void mbedtls_des_key_set_parity(unsigned char key[MBEDTLS_DES_KEY_SIZE])
 {
     int i;
 
-    for( i = 0; i < MBEDTLS_DES_KEY_SIZE; i++ )
+    for (i = 0; i < MBEDTLS_DES_KEY_SIZE; i++)
         key[i] = odd_parity_table[key[i] / 2];
 }
 
 /*
  * Check the given key's parity, returns 1 on failure, 0 on SUCCESS
  */
-int mbedtls_des_key_check_key_parity( const unsigned char key[MBEDTLS_DES_KEY_SIZE] )
+int mbedtls_des_key_check_key_parity(
+    const unsigned char key[MBEDTLS_DES_KEY_SIZE])
 {
     int i;
 
-    for( i = 0; i < MBEDTLS_DES_KEY_SIZE; i++ )
-        if( key[i] != odd_parity_table[key[i] / 2] )
-            return 1 ;
+    for (i = 0; i < MBEDTLS_DES_KEY_SIZE; i++)
+        if (key[i] != odd_parity_table[key[i] / 2])
+            return 1;
 
-    return 0 ;
+    return 0;
 }
 
 /*
@@ -383,64 +348,69 @@
  *
  */
 
-#define WEAK_KEY_COUNT 16
+#        define WEAK_KEY_COUNT 16
 
-static const unsigned char weak_key_table[WEAK_KEY_COUNT][MBEDTLS_DES_KEY_SIZE] =
-{
-    { 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01 },
-    { 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE },
-    { 0x1F, 0x1F, 0x1F, 0x1F, 0x0E, 0x0E, 0x0E, 0x0E },
-    { 0xE0, 0xE0, 0xE0, 0xE0, 0xF1, 0xF1, 0xF1, 0xF1 },
+static const unsigned char
+    weak_key_table[WEAK_KEY_COUNT][MBEDTLS_DES_KEY_SIZE] = {
+        { 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01 },
+        { 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE },
+        { 0x1F, 0x1F, 0x1F, 0x1F, 0x0E, 0x0E, 0x0E, 0x0E },
+        { 0xE0, 0xE0, 0xE0, 0xE0, 0xF1, 0xF1, 0xF1, 0xF1 },
 
-    { 0x01, 0x1F, 0x01, 0x1F, 0x01, 0x0E, 0x01, 0x0E },
-    { 0x1F, 0x01, 0x1F, 0x01, 0x0E, 0x01, 0x0E, 0x01 },
-    { 0x01, 0xE0, 0x01, 0xE0, 0x01, 0xF1, 0x01, 0xF1 },
-    { 0xE0, 0x01, 0xE0, 0x01, 0xF1, 0x01, 0xF1, 0x01 },
-    { 0x01, 0xFE, 0x01, 0xFE, 0x01, 0xFE, 0x01, 0xFE },
-    { 0xFE, 0x01, 0xFE, 0x01, 0xFE, 0x01, 0xFE, 0x01 },
-    { 0x1F, 0xE0, 0x1F, 0xE0, 0x0E, 0xF1, 0x0E, 0xF1 },
-    { 0xE0, 0x1F, 0xE0, 0x1F, 0xF1, 0x0E, 0xF1, 0x0E },
-    { 0x1F, 0xFE, 0x1F, 0xFE, 0x0E, 0xFE, 0x0E, 0xFE },
-    { 0xFE, 0x1F, 0xFE, 0x1F, 0xFE, 0x0E, 0xFE, 0x0E },
-    { 0xE0, 0xFE, 0xE0, 0xFE, 0xF1, 0xFE, 0xF1, 0xFE },
-    { 0xFE, 0xE0, 0xFE, 0xE0, 0xFE, 0xF1, 0xFE, 0xF1 }
-};
+        { 0x01, 0x1F, 0x01, 0x1F, 0x01, 0x0E, 0x01, 0x0E },
+        { 0x1F, 0x01, 0x1F, 0x01, 0x0E, 0x01, 0x0E, 0x01 },
+        { 0x01, 0xE0, 0x01, 0xE0, 0x01, 0xF1, 0x01, 0xF1 },
+        { 0xE0, 0x01, 0xE0, 0x01, 0xF1, 0x01, 0xF1, 0x01 },
+        { 0x01, 0xFE, 0x01, 0xFE, 0x01, 0xFE, 0x01, 0xFE },
+        { 0xFE, 0x01, 0xFE, 0x01, 0xFE, 0x01, 0xFE, 0x01 },
+        { 0x1F, 0xE0, 0x1F, 0xE0, 0x0E, 0xF1, 0x0E, 0xF1 },
+        { 0xE0, 0x1F, 0xE0, 0x1F, 0xF1, 0x0E, 0xF1, 0x0E },
+        { 0x1F, 0xFE, 0x1F, 0xFE, 0x0E, 0xFE, 0x0E, 0xFE },
+        { 0xFE, 0x1F, 0xFE, 0x1F, 0xFE, 0x0E, 0xFE, 0x0E },
+        { 0xE0, 0xFE, 0xE0, 0xFE, 0xF1, 0xFE, 0xF1, 0xFE },
+        { 0xFE, 0xE0, 0xFE, 0xE0, 0xFE, 0xF1, 0xFE, 0xF1 }
+    };
 
-int mbedtls_des_key_check_weak( const unsigned char key[MBEDTLS_DES_KEY_SIZE] )
+int mbedtls_des_key_check_weak(const unsigned char key[MBEDTLS_DES_KEY_SIZE])
 {
     int i;
 
-    for( i = 0; i < WEAK_KEY_COUNT; i++ )
-        if( memcmp( weak_key_table[i], key, MBEDTLS_DES_KEY_SIZE) == 0 )
-            return 1 ;
+    for (i = 0; i < WEAK_KEY_COUNT; i++)
+        if (memcmp(weak_key_table[i], key, MBEDTLS_DES_KEY_SIZE) == 0)
+            return 1;
 
-    return 0 ;
+    return 0;
 }
 
-#if !defined(MBEDTLS_DES_SETKEY_ALT)
-void mbedtls_des_setkey( uint32_t SK[32], const unsigned char key[MBEDTLS_DES_KEY_SIZE] )
+#        if !defined(MBEDTLS_DES_SETKEY_ALT)
+void mbedtls_des_setkey(uint32_t SK[32],
+                        const unsigned char key[MBEDTLS_DES_KEY_SIZE])
 {
     int i;
     uint32_t X, Y, T;
 
-    GET_UINT32_BE( X, key, 0 );
-    GET_UINT32_BE( Y, key, 4 );
+    GET_UINT32_BE(X, key, 0);
+    GET_UINT32_BE(Y, key, 4);
 
     /*
      * Permuted Choice 1
      */
-    T =  ((Y >>  4) ^ X) & 0x0F0F0F0F;  X ^= T; Y ^= (T <<  4);
-    T =  ((Y      ) ^ X) & 0x10101010;  X ^= T; Y ^= (T      );
+    T = ((Y >> 4) ^ X) & 0x0F0F0F0F;
+    X ^= T;
+    Y ^= (T << 4);
+    T = ((Y) ^ X) & 0x10101010;
+    X ^= T;
+    Y ^= (T);
 
-    X =   (LHs[ (X      ) & 0xF] << 3) | (LHs[ (X >>  8) & 0xF ] << 2)
-        | (LHs[ (X >> 16) & 0xF] << 1) | (LHs[ (X >> 24) & 0xF ]     )
-        | (LHs[ (X >>  5) & 0xF] << 7) | (LHs[ (X >> 13) & 0xF ] << 6)
-        | (LHs[ (X >> 21) & 0xF] << 5) | (LHs[ (X >> 29) & 0xF ] << 4);
+    X = (LHs[(X)&0xF] << 3) | (LHs[(X >> 8) & 0xF] << 2) |
+        (LHs[(X >> 16) & 0xF] << 1) | (LHs[(X >> 24) & 0xF]) |
+        (LHs[(X >> 5) & 0xF] << 7) | (LHs[(X >> 13) & 0xF] << 6) |
+        (LHs[(X >> 21) & 0xF] << 5) | (LHs[(X >> 29) & 0xF] << 4);
 
-    Y =   (RHs[ (Y >>  1) & 0xF] << 3) | (RHs[ (Y >>  9) & 0xF ] << 2)
-        | (RHs[ (Y >> 17) & 0xF] << 1) | (RHs[ (Y >> 25) & 0xF ]     )
-        | (RHs[ (Y >>  4) & 0xF] << 7) | (RHs[ (Y >> 12) & 0xF ] << 6)
-        | (RHs[ (Y >> 20) & 0xF] << 5) | (RHs[ (Y >> 28) & 0xF ] << 4);
+    Y = (RHs[(Y >> 1) & 0xF] << 3) | (RHs[(Y >> 9) & 0xF] << 2) |
+        (RHs[(Y >> 17) & 0xF] << 1) | (RHs[(Y >> 25) & 0xF]) |
+        (RHs[(Y >> 4) & 0xF] << 7) | (RHs[(Y >> 12) & 0xF] << 6) |
+        (RHs[(Y >> 20) & 0xF] << 5) | (RHs[(Y >> 28) & 0xF] << 4);
 
     X &= 0x0FFFFFFF;
     Y &= 0x0FFFFFFF;
@@ -448,95 +418,91 @@
     /*
      * calculate subkeys
      */
-    for( i = 0; i < 16; i++ )
-    {
-        if( i < 2 || i == 8 || i == 15 )
-        {
-            X = ((X <<  1) | (X >> 27)) & 0x0FFFFFFF;
-            Y = ((Y <<  1) | (Y >> 27)) & 0x0FFFFFFF;
-        }
-        else
-        {
-            X = ((X <<  2) | (X >> 26)) & 0x0FFFFFFF;
-            Y = ((Y <<  2) | (Y >> 26)) & 0x0FFFFFFF;
+    for (i = 0; i < 16; i++) {
+        if (i < 2 || i == 8 || i == 15) {
+            X = ((X << 1) | (X >> 27)) & 0x0FFFFFFF;
+            Y = ((Y << 1) | (Y >> 27)) & 0x0FFFFFFF;
+        } else {
+            X = ((X << 2) | (X >> 26)) & 0x0FFFFFFF;
+            Y = ((Y << 2) | (Y >> 26)) & 0x0FFFFFFF;
         }
 
-        *SK++ =   ((X <<  4) & 0x24000000) | ((X << 28) & 0x10000000)
-                | ((X << 14) & 0x08000000) | ((X << 18) & 0x02080000)
-                | ((X <<  6) & 0x01000000) | ((X <<  9) & 0x00200000)
-                | ((X >>  1) & 0x00100000) | ((X << 10) & 0x00040000)
-                | ((X <<  2) & 0x00020000) | ((X >> 10) & 0x00010000)
-                | ((Y >> 13) & 0x00002000) | ((Y >>  4) & 0x00001000)
-                | ((Y <<  6) & 0x00000800) | ((Y >>  1) & 0x00000400)
-                | ((Y >> 14) & 0x00000200) | ((Y      ) & 0x00000100)
-                | ((Y >>  5) & 0x00000020) | ((Y >> 10) & 0x00000010)
-                | ((Y >>  3) & 0x00000008) | ((Y >> 18) & 0x00000004)
-                | ((Y >> 26) & 0x00000002) | ((Y >> 24) & 0x00000001);
+        *SK++ = ((X << 4) & 0x24000000) | ((X << 28) & 0x10000000) |
+                ((X << 14) & 0x08000000) | ((X << 18) & 0x02080000) |
+                ((X << 6) & 0x01000000) | ((X << 9) & 0x00200000) |
+                ((X >> 1) & 0x00100000) | ((X << 10) & 0x00040000) |
+                ((X << 2) & 0x00020000) | ((X >> 10) & 0x00010000) |
+                ((Y >> 13) & 0x00002000) | ((Y >> 4) & 0x00001000) |
+                ((Y << 6) & 0x00000800) | ((Y >> 1) & 0x00000400) |
+                ((Y >> 14) & 0x00000200) | ((Y)&0x00000100) |
+                ((Y >> 5) & 0x00000020) | ((Y >> 10) & 0x00000010) |
+                ((Y >> 3) & 0x00000008) | ((Y >> 18) & 0x00000004) |
+                ((Y >> 26) & 0x00000002) | ((Y >> 24) & 0x00000001);
 
-        *SK++ =   ((X << 15) & 0x20000000) | ((X << 17) & 0x10000000)
-                | ((X << 10) & 0x08000000) | ((X << 22) & 0x04000000)
-                | ((X >>  2) & 0x02000000) | ((X <<  1) & 0x01000000)
-                | ((X << 16) & 0x00200000) | ((X << 11) & 0x00100000)
-                | ((X <<  3) & 0x00080000) | ((X >>  6) & 0x00040000)
-                | ((X << 15) & 0x00020000) | ((X >>  4) & 0x00010000)
-                | ((Y >>  2) & 0x00002000) | ((Y <<  8) & 0x00001000)
-                | ((Y >> 14) & 0x00000808) | ((Y >>  9) & 0x00000400)
-                | ((Y      ) & 0x00000200) | ((Y <<  7) & 0x00000100)
-                | ((Y >>  7) & 0x00000020) | ((Y >>  3) & 0x00000011)
-                | ((Y <<  2) & 0x00000004) | ((Y >> 21) & 0x00000002);
+        *SK++ = ((X << 15) & 0x20000000) | ((X << 17) & 0x10000000) |
+                ((X << 10) & 0x08000000) | ((X << 22) & 0x04000000) |
+                ((X >> 2) & 0x02000000) | ((X << 1) & 0x01000000) |
+                ((X << 16) & 0x00200000) | ((X << 11) & 0x00100000) |
+                ((X << 3) & 0x00080000) | ((X >> 6) & 0x00040000) |
+                ((X << 15) & 0x00020000) | ((X >> 4) & 0x00010000) |
+                ((Y >> 2) & 0x00002000) | ((Y << 8) & 0x00001000) |
+                ((Y >> 14) & 0x00000808) | ((Y >> 9) & 0x00000400) |
+                ((Y)&0x00000200) | ((Y << 7) & 0x00000100) |
+                ((Y >> 7) & 0x00000020) | ((Y >> 3) & 0x00000011) |
+                ((Y << 2) & 0x00000004) | ((Y >> 21) & 0x00000002);
     }
 }
-#endif /* !MBEDTLS_DES_SETKEY_ALT */
+#        endif /* !MBEDTLS_DES_SETKEY_ALT */
 
 /*
  * DES key schedule (56-bit, encryption)
  */
-int mbedtls_des_setkey_enc( mbedtls_des_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE] )
+int mbedtls_des_setkey_enc(mbedtls_des_context *ctx,
+                           const unsigned char key[MBEDTLS_DES_KEY_SIZE])
 {
-    mbedtls_des_setkey( ctx->sk, key );
+    mbedtls_des_setkey(ctx->sk, key);
 
-    return 0 ;
+    return 0;
 }
 
 /*
  * DES key schedule (56-bit, decryption)
  */
-int mbedtls_des_setkey_dec( mbedtls_des_context *ctx, const unsigned char key[MBEDTLS_DES_KEY_SIZE] )
+int mbedtls_des_setkey_dec(mbedtls_des_context *ctx,
+                           const unsigned char key[MBEDTLS_DES_KEY_SIZE])
 {
     int i;
 
-    mbedtls_des_setkey( ctx->sk, key );
+    mbedtls_des_setkey(ctx->sk, key);
 
-    for( i = 0; i < 16; i += 2 )
-    {
-        SWAP( ctx->sk[i    ], ctx->sk[30 - i] );
-        SWAP( ctx->sk[i + 1], ctx->sk[31 - i] );
+    for (i = 0; i < 16; i += 2) {
+        SWAP(ctx->sk[i], ctx->sk[30 - i]);
+        SWAP(ctx->sk[i + 1], ctx->sk[31 - i]);
     }
 
-    return 0 ;
+    return 0;
 }
 
-static void des3_set2key( uint32_t esk[96],
-                          uint32_t dsk[96],
-                          const unsigned char key[MBEDTLS_DES_KEY_SIZE*2] )
+static void des3_set2key(uint32_t esk[96],
+                         uint32_t dsk[96],
+                         const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2])
 {
     int i;
 
-    mbedtls_des_setkey( esk, key );
-    mbedtls_des_setkey( dsk + 32, key + 8 );
+    mbedtls_des_setkey(esk, key);
+    mbedtls_des_setkey(dsk + 32, key + 8);
 
-    for( i = 0; i < 32; i += 2 )
-    {
-        dsk[i     ] = esk[30 - i];
-        dsk[i +  1] = esk[31 - i];
+    for (i = 0; i < 32; i += 2) {
+        dsk[i] = esk[30 - i];
+        dsk[i + 1] = esk[31 - i];
 
         esk[i + 32] = dsk[62 - i];
         esk[i + 33] = dsk[63 - i];
 
-        esk[i + 64] = esk[i    ];
+        esk[i + 64] = esk[i];
         esk[i + 65] = esk[i + 1];
 
-        dsk[i + 64] = dsk[i    ];
+        dsk[i + 64] = dsk[i];
         dsk[i + 65] = dsk[i + 1];
     }
 }
@@ -544,45 +510,43 @@
 /*
  * Triple-DES key schedule (112-bit, encryption)
  */
-int mbedtls_des3_set2key_enc( mbedtls_des3_context *ctx,
-                      const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2] )
+int mbedtls_des3_set2key_enc(mbedtls_des3_context *ctx,
+                             const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2])
 {
     uint32_t sk[96];
 
-    des3_set2key( ctx->sk, sk, key );
-    mbedtls_platform_zeroize( sk,  sizeof( sk ) );
+    des3_set2key(ctx->sk, sk, key);
+    mbedtls_platform_zeroize(sk, sizeof(sk));
 
-    return 0 ;
+    return 0;
 }
 
 /*
  * Triple-DES key schedule (112-bit, decryption)
  */
-int mbedtls_des3_set2key_dec( mbedtls_des3_context *ctx,
-                      const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2] )
+int mbedtls_des3_set2key_dec(mbedtls_des3_context *ctx,
+                             const unsigned char key[MBEDTLS_DES_KEY_SIZE * 2])
 {
     uint32_t sk[96];
 
-    des3_set2key( sk, ctx->sk, key );
-    mbedtls_platform_zeroize( sk,  sizeof( sk ) );
+    des3_set2key(sk, ctx->sk, key);
+    mbedtls_platform_zeroize(sk, sizeof(sk));
 
-    return 0 ;
+    return 0;
 }
 
-static void des3_set3key( uint32_t esk[96],
-                          uint32_t dsk[96],
-                          const unsigned char key[24] )
+static void
+des3_set3key(uint32_t esk[96], uint32_t dsk[96], const unsigned char key[24])
 {
     int i;
 
-    mbedtls_des_setkey( esk, key );
-    mbedtls_des_setkey( dsk + 32, key +  8 );
-    mbedtls_des_setkey( esk + 64, key + 16 );
+    mbedtls_des_setkey(esk, key);
+    mbedtls_des_setkey(dsk + 32, key + 8);
+    mbedtls_des_setkey(esk + 64, key + 16);
 
-    for( i = 0; i < 32; i += 2 )
-    {
-        dsk[i     ] = esk[94 - i];
-        dsk[i +  1] = esk[95 - i];
+    for (i = 0; i < 32; i += 2) {
+        dsk[i] = esk[94 - i];
+        dsk[i + 1] = esk[95 - i];
 
         esk[i + 32] = dsk[62 - i];
         esk[i + 33] = dsk[63 - i];
@@ -595,464 +559,431 @@
 /*
  * Triple-DES key schedule (168-bit, encryption)
  */
-int mbedtls_des3_set3key_enc( mbedtls_des3_context *ctx,
-                      const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3] )
+int mbedtls_des3_set3key_enc(mbedtls_des3_context *ctx,
+                             const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3])
 {
     uint32_t sk[96];
 
-    des3_set3key( ctx->sk, sk, key );
-    mbedtls_platform_zeroize( sk,  sizeof( sk ) );
+    des3_set3key(ctx->sk, sk, key);
+    mbedtls_platform_zeroize(sk, sizeof(sk));
 
-    return 0 ;
+    return 0;
 }
 
 /*
  * Triple-DES key schedule (168-bit, decryption)
  */
-int mbedtls_des3_set3key_dec( mbedtls_des3_context *ctx,
-                      const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3] )
+int mbedtls_des3_set3key_dec(mbedtls_des3_context *ctx,
+                             const unsigned char key[MBEDTLS_DES_KEY_SIZE * 3])
 {
     uint32_t sk[96];
 
-    des3_set3key( sk, ctx->sk, key );
-    mbedtls_platform_zeroize( sk,  sizeof( sk ) );
+    des3_set3key(sk, ctx->sk, key);
+    mbedtls_platform_zeroize(sk, sizeof(sk));
 
-    return 0 ;
+    return 0;
 }
 
 /*
  * DES-ECB block encryption/decryption
  */
-#if !defined(MBEDTLS_DES_CRYPT_ECB_ALT)
-int mbedtls_des_crypt_ecb( mbedtls_des_context *ctx,
-                    const unsigned char input[8],
-                    unsigned char output[8] )
+#        if !defined(MBEDTLS_DES_CRYPT_ECB_ALT)
+int mbedtls_des_crypt_ecb(mbedtls_des_context *ctx,
+                          const unsigned char input[8],
+                          unsigned char output[8])
 {
     int i;
     uint32_t X, Y, T, *SK;
 
     SK = ctx->sk;
 
-    GET_UINT32_BE( X, input, 0 );
-    GET_UINT32_BE( Y, input, 4 );
+    GET_UINT32_BE(X, input, 0);
+    GET_UINT32_BE(Y, input, 4);
 
-    DES_IP( X, Y );
+    DES_IP(X, Y);
 
-    for( i = 0; i < 8; i++ )
-    {
-        DES_ROUND( Y, X );
-        DES_ROUND( X, Y );
+    for (i = 0; i < 8; i++) {
+        DES_ROUND(Y, X);
+        DES_ROUND(X, Y);
     }
 
-    DES_FP( Y, X );
+    DES_FP(Y, X);
 
-    PUT_UINT32_BE( Y, output, 0 );
-    PUT_UINT32_BE( X, output, 4 );
+    PUT_UINT32_BE(Y, output, 0);
+    PUT_UINT32_BE(X, output, 4);
 
-    return 0 ;
+    return 0;
 }
-#endif /* !MBEDTLS_DES_CRYPT_ECB_ALT */
+#        endif /* !MBEDTLS_DES_CRYPT_ECB_ALT */
 
-#if defined(MBEDTLS_CIPHER_MODE_CBC)
+#        if defined(MBEDTLS_CIPHER_MODE_CBC)
 /*
  * DES-CBC buffer encryption/decryption
  */
-int mbedtls_des_crypt_cbc( mbedtls_des_context *ctx,
-                    int mode,
-                    size_t length,
-                    unsigned char iv[8],
-                    const unsigned char *input,
-                    unsigned char *output )
+int mbedtls_des_crypt_cbc(mbedtls_des_context *ctx,
+                          int mode,
+                          size_t length,
+                          unsigned char iv[8],
+                          const unsigned char *input,
+                          unsigned char *output)
 {
     int i;
     unsigned char temp[8];
 
-    if( length % 8 )
-        return MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH ;
+    if (length % 8)
+        return MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH;
 
-    if( mode == MBEDTLS_DES_ENCRYPT )
-    {
-        while( length > 0 )
-        {
-            for( i = 0; i < 8; i++ )
-                output[i] = (unsigned char)( input[i] ^ iv[i] );
+    if (mode == MBEDTLS_DES_ENCRYPT) {
+        while (length > 0) {
+            for (i = 0; i < 8; i++)
+                output[i] = (unsigned char)(input[i] ^ iv[i]);
 
-            mbedtls_des_crypt_ecb( ctx, output, output );
-            memcpy( iv, output, 8 );
+            mbedtls_des_crypt_ecb(ctx, output, output);
+            memcpy(iv, output, 8);
 
-            input  += 8;
+            input += 8;
             output += 8;
             length -= 8;
         }
-    }
-    else /* MBEDTLS_DES_DECRYPT */
+    } else /* MBEDTLS_DES_DECRYPT */
     {
-        while( length > 0 )
-        {
-            memcpy( temp, input, 8 );
-            mbedtls_des_crypt_ecb( ctx, input, output );
+        while (length > 0) {
+            memcpy(temp, input, 8);
+            mbedtls_des_crypt_ecb(ctx, input, output);
 
-            for( i = 0; i < 8; i++ )
-                output[i] = (unsigned char)( output[i] ^ iv[i] );
+            for (i = 0; i < 8; i++)
+                output[i] = (unsigned char)(output[i] ^ iv[i]);
 
-            memcpy( iv, temp, 8 );
+            memcpy(iv, temp, 8);
 
-            input  += 8;
+            input += 8;
             output += 8;
             length -= 8;
         }
     }
 
-    return 0 ;
+    return 0;
 }
-#endif /* MBEDTLS_CIPHER_MODE_CBC */
+#        endif /* MBEDTLS_CIPHER_MODE_CBC */
 
 /*
  * 3DES-ECB block encryption/decryption
  */
-#if !defined(MBEDTLS_DES3_CRYPT_ECB_ALT)
-int mbedtls_des3_crypt_ecb( mbedtls_des3_context *ctx,
-                     const unsigned char input[8],
-                     unsigned char output[8] )
+#        if !defined(MBEDTLS_DES3_CRYPT_ECB_ALT)
+int mbedtls_des3_crypt_ecb(mbedtls_des3_context *ctx,
+                           const unsigned char input[8],
+                           unsigned char output[8])
 {
     int i;
     uint32_t X, Y, T, *SK;
 
     SK = ctx->sk;
 
-    GET_UINT32_BE( X, input, 0 );
-    GET_UINT32_BE( Y, input, 4 );
+    GET_UINT32_BE(X, input, 0);
+    GET_UINT32_BE(Y, input, 4);
 
-    DES_IP( X, Y );
+    DES_IP(X, Y);
 
-    for( i = 0; i < 8; i++ )
-    {
-        DES_ROUND( Y, X );
-        DES_ROUND( X, Y );
+    for (i = 0; i < 8; i++) {
+        DES_ROUND(Y, X);
+        DES_ROUND(X, Y);
     }
 
-    for( i = 0; i < 8; i++ )
-    {
-        DES_ROUND( X, Y );
-        DES_ROUND( Y, X );
+    for (i = 0; i < 8; i++) {
+        DES_ROUND(X, Y);
+        DES_ROUND(Y, X);
     }
 
-    for( i = 0; i < 8; i++ )
-    {
-        DES_ROUND( Y, X );
-        DES_ROUND( X, Y );
+    for (i = 0; i < 8; i++) {
+        DES_ROUND(Y, X);
+        DES_ROUND(X, Y);
     }
 
-    DES_FP( Y, X );
+    DES_FP(Y, X);
 
-    PUT_UINT32_BE( Y, output, 0 );
-    PUT_UINT32_BE( X, output, 4 );
+    PUT_UINT32_BE(Y, output, 0);
+    PUT_UINT32_BE(X, output, 4);
 
-    return 0 ;
+    return 0;
 }
-#endif /* !MBEDTLS_DES3_CRYPT_ECB_ALT */
+#        endif /* !MBEDTLS_DES3_CRYPT_ECB_ALT */
 
-#if defined(MBEDTLS_CIPHER_MODE_CBC)
+#        if defined(MBEDTLS_CIPHER_MODE_CBC)
 /*
  * 3DES-CBC buffer encryption/decryption
  */
-int mbedtls_des3_crypt_cbc( mbedtls_des3_context *ctx,
-                     int mode,
-                     size_t length,
-                     unsigned char iv[8],
-                     const unsigned char *input,
-                     unsigned char *output )
+int mbedtls_des3_crypt_cbc(mbedtls_des3_context *ctx,
+                           int mode,
+                           size_t length,
+                           unsigned char iv[8],
+                           const unsigned char *input,
+                           unsigned char *output)
 {
     int i;
     unsigned char temp[8];
 
-    if( length % 8 )
-        return MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH ;
+    if (length % 8)
+        return MBEDTLS_ERR_DES_INVALID_INPUT_LENGTH;
 
-    if( mode == MBEDTLS_DES_ENCRYPT )
-    {
-        while( length > 0 )
-        {
-            for( i = 0; i < 8; i++ )
-                output[i] = (unsigned char)( input[i] ^ iv[i] );
+    if (mode == MBEDTLS_DES_ENCRYPT) {
+        while (length > 0) {
+            for (i = 0; i < 8; i++)
+                output[i] = (unsigned char)(input[i] ^ iv[i]);
 
-            mbedtls_des3_crypt_ecb( ctx, output, output );
-            memcpy( iv, output, 8 );
+            mbedtls_des3_crypt_ecb(ctx, output, output);
+            memcpy(iv, output, 8);
 
-            input  += 8;
+            input += 8;
             output += 8;
             length -= 8;
         }
-    }
-    else /* MBEDTLS_DES_DECRYPT */
+    } else /* MBEDTLS_DES_DECRYPT */
     {
-        while( length > 0 )
-        {
-            memcpy( temp, input, 8 );
-            mbedtls_des3_crypt_ecb( ctx, input, output );
+        while (length > 0) {
+            memcpy(temp, input, 8);
+            mbedtls_des3_crypt_ecb(ctx, input, output);
 
-            for( i = 0; i < 8; i++ )
-                output[i] = (unsigned char)( output[i] ^ iv[i] );
+            for (i = 0; i < 8; i++)
+                output[i] = (unsigned char)(output[i] ^ iv[i]);
 
-            memcpy( iv, temp, 8 );
+            memcpy(iv, temp, 8);
 
-            input  += 8;
+            input += 8;
             output += 8;
             length -= 8;
         }
     }
 
-    return 0 ;
+    return 0;
 }
-#endif /* MBEDTLS_CIPHER_MODE_CBC */
+#        endif /* MBEDTLS_CIPHER_MODE_CBC */
 
-#endif /* !MBEDTLS_DES_ALT */
+#    endif /* !MBEDTLS_DES_ALT */
 
-#if defined(MBEDTLS_SELF_TEST)
+#    if defined(MBEDTLS_SELF_TEST)
 /*
  * DES and 3DES test vectors from:
  *
  * http://csrc.nist.gov/groups/STM/cavp/documents/des/tripledes-vectors.zip
  */
-static const unsigned char des3_test_keys[24] =
-{
-    0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF,
-    0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF, 0x01,
-    0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF, 0x01, 0x23
+static const unsigned char des3_test_keys[24] = {
+    0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF, 0x23, 0x45, 0x67, 0x89,
+    0xAB, 0xCD, 0xEF, 0x01, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF, 0x01, 0x23
 };
 
-static const unsigned char des3_test_buf[8] =
-{
-    0x4E, 0x6F, 0x77, 0x20, 0x69, 0x73, 0x20, 0x74
-};
+static const unsigned char des3_test_buf[8] = { 0x4E, 0x6F, 0x77, 0x20,
+                                                0x69, 0x73, 0x20, 0x74 };
 
-static const unsigned char des3_test_ecb_dec[3][8] =
-{
+static const unsigned char des3_test_ecb_dec[3][8] = {
     { 0x37, 0x2B, 0x98, 0xBF, 0x52, 0x65, 0xB0, 0x59 },
     { 0xC2, 0x10, 0x19, 0x9C, 0x38, 0x5A, 0x65, 0xA1 },
     { 0xA2, 0x70, 0x56, 0x68, 0x69, 0xE5, 0x15, 0x1D }
 };
 
-static const unsigned char des3_test_ecb_enc[3][8] =
-{
+static const unsigned char des3_test_ecb_enc[3][8] = {
     { 0x1C, 0xD5, 0x97, 0xEA, 0x84, 0x26, 0x73, 0xFB },
     { 0xB3, 0x92, 0x4D, 0xF3, 0xC5, 0xB5, 0x42, 0x93 },
     { 0xDA, 0x37, 0x64, 0x41, 0xBA, 0x6F, 0x62, 0x6F }
 };
 
-#if defined(MBEDTLS_CIPHER_MODE_CBC)
-static const unsigned char des3_test_iv[8] =
-{
+#        if defined(MBEDTLS_CIPHER_MODE_CBC)
+static const unsigned char des3_test_iv[8] = {
     0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF,
 };
 
-static const unsigned char des3_test_cbc_dec[3][8] =
-{
+static const unsigned char des3_test_cbc_dec[3][8] = {
     { 0x58, 0xD9, 0x48, 0xEF, 0x85, 0x14, 0x65, 0x9A },
     { 0x5F, 0xC8, 0x78, 0xD4, 0xD7, 0x92, 0xD9, 0x54 },
     { 0x25, 0xF9, 0x75, 0x85, 0xA8, 0x1E, 0x48, 0xBF }
 };
 
-static const unsigned char des3_test_cbc_enc[3][8] =
-{
+static const unsigned char des3_test_cbc_enc[3][8] = {
     { 0x91, 0x1C, 0x6D, 0xCF, 0x48, 0xA7, 0xC3, 0x4D },
     { 0x60, 0x1A, 0x76, 0x8F, 0xA1, 0xF9, 0x66, 0xF1 },
     { 0xA1, 0x50, 0x0F, 0x99, 0xB2, 0xCD, 0x64, 0x76 }
 };
-#endif /* MBEDTLS_CIPHER_MODE_CBC */
+#        endif /* MBEDTLS_CIPHER_MODE_CBC */
 
 /*
  * Checkup routine
  */
-int mbedtls_des_self_test( int verbose )
+int mbedtls_des_self_test(int verbose)
 {
     int i, j, u, v, ret = 0;
     mbedtls_des_context ctx;
     mbedtls_des3_context ctx3;
     unsigned char buf[8];
-#if defined(MBEDTLS_CIPHER_MODE_CBC)
+#        if defined(MBEDTLS_CIPHER_MODE_CBC)
     unsigned char prv[8];
     unsigned char iv[8];
-#endif
+#        endif
 
-    mbedtls_des_init( &ctx );
-    mbedtls_des3_init( &ctx3 );
+    mbedtls_des_init(&ctx);
+    mbedtls_des3_init(&ctx3);
     /*
      * ECB mode
      */
-    for( i = 0; i < 6; i++ )
-    {
+    for (i = 0; i < 6; i++) {
         u = i >> 1;
-        v = i  & 1;
+        v = i & 1;
 
-        if( verbose != 0 )
-            mbedtls_printf( "  DES%c-ECB-%3d (%s): ",
-                             ( u == 0 ) ? ' ' : '3', 56 + u * 56,
-                             ( v == MBEDTLS_DES_DECRYPT ) ? "dec" : "enc" );
+        if (verbose != 0)
+            mbedtls_printf("  DES%c-ECB-%3d (%s): ", (u == 0) ? ' ' : '3',
+                           56 + u * 56,
+                           (v == MBEDTLS_DES_DECRYPT) ? "dec" : "enc");
 
-        memcpy( buf, des3_test_buf, 8 );
+        memcpy(buf, des3_test_buf, 8);
 
-        switch( i )
-        {
-        case 0:
-            mbedtls_des_setkey_dec( &ctx, des3_test_keys );
-            break;
+        switch (i) {
+            case 0:
+                mbedtls_des_setkey_dec(&ctx, des3_test_keys);
+                break;
 
-        case 1:
-            mbedtls_des_setkey_enc( &ctx, des3_test_keys );
-            break;
+            case 1:
+                mbedtls_des_setkey_enc(&ctx, des3_test_keys);
+                break;
 
-        case 2:
-            mbedtls_des3_set2key_dec( &ctx3, des3_test_keys );
-            break;
+            case 2:
+                mbedtls_des3_set2key_dec(&ctx3, des3_test_keys);
+                break;
 
-        case 3:
-            mbedtls_des3_set2key_enc( &ctx3, des3_test_keys );
-            break;
+            case 3:
+                mbedtls_des3_set2key_enc(&ctx3, des3_test_keys);
+                break;
 
-        case 4:
-            mbedtls_des3_set3key_dec( &ctx3, des3_test_keys );
-            break;
+            case 4:
+                mbedtls_des3_set3key_dec(&ctx3, des3_test_keys);
+                break;
 
-        case 5:
-            mbedtls_des3_set3key_enc( &ctx3, des3_test_keys );
-            break;
+            case 5:
+                mbedtls_des3_set3key_enc(&ctx3, des3_test_keys);
+                break;
 
-        default:
-            return 1 ;
+            default:
+                return 1;
         }
 
-        for( j = 0; j < 100; j++ )
-        {
-            if( u == 0 )
-                mbedtls_des_crypt_ecb( &ctx, buf, buf );
+        for (j = 0; j < 100; j++) {
+            if (u == 0)
+                mbedtls_des_crypt_ecb(&ctx, buf, buf);
             else
-                mbedtls_des3_crypt_ecb( &ctx3, buf, buf );
+                mbedtls_des3_crypt_ecb(&ctx3, buf, buf);
         }
 
-        if( ( v == MBEDTLS_DES_DECRYPT &&
-                memcmp( buf, des3_test_ecb_dec[u], 8 ) != 0 ) ||
-            ( v != MBEDTLS_DES_DECRYPT &&
-                memcmp( buf, des3_test_ecb_enc[u], 8 ) != 0 ) )
-        {
-            if( verbose != 0 )
-                mbedtls_printf( "failed\n" );
+        if ((v == MBEDTLS_DES_DECRYPT &&
+             memcmp(buf, des3_test_ecb_dec[u], 8) != 0) ||
+            (v != MBEDTLS_DES_DECRYPT &&
+             memcmp(buf, des3_test_ecb_enc[u], 8) != 0)) {
+            if (verbose != 0)
+                mbedtls_printf("failed\n");
 
             ret = 1;
             goto exit;
         }
 
-        if( verbose != 0 )
-            mbedtls_printf( "passed\n" );
+        if (verbose != 0)
+            mbedtls_printf("passed\n");
     }
 
-    if( verbose != 0 )
-        mbedtls_printf( "\n" );
+    if (verbose != 0)
+        mbedtls_printf("\n");
 
-#if defined(MBEDTLS_CIPHER_MODE_CBC)
+#        if defined(MBEDTLS_CIPHER_MODE_CBC)
     /*
      * CBC mode
      */
-    for( i = 0; i < 6; i++ )
-    {
+    for (i = 0; i < 6; i++) {
         u = i >> 1;
-        v = i  & 1;
+        v = i & 1;
 
-        if( verbose != 0 )
-            mbedtls_printf( "  DES%c-CBC-%3d (%s): ",
-                             ( u == 0 ) ? ' ' : '3', 56 + u * 56,
-                             ( v == MBEDTLS_DES_DECRYPT ) ? "dec" : "enc" );
+        if (verbose != 0)
+            mbedtls_printf("  DES%c-CBC-%3d (%s): ", (u == 0) ? ' ' : '3',
+                           56 + u * 56,
+                           (v == MBEDTLS_DES_DECRYPT) ? "dec" : "enc");
 
-        memcpy( iv,  des3_test_iv,  8 );
-        memcpy( prv, des3_test_iv,  8 );
-        memcpy( buf, des3_test_buf, 8 );
+        memcpy(iv, des3_test_iv, 8);
+        memcpy(prv, des3_test_iv, 8);
+        memcpy(buf, des3_test_buf, 8);
 
-        switch( i )
-        {
-        case 0:
-            mbedtls_des_setkey_dec( &ctx, des3_test_keys );
-            break;
+        switch (i) {
+            case 0:
+                mbedtls_des_setkey_dec(&ctx, des3_test_keys);
+                break;
 
-        case 1:
-            mbedtls_des_setkey_enc( &ctx, des3_test_keys );
-            break;
+            case 1:
+                mbedtls_des_setkey_enc(&ctx, des3_test_keys);
+                break;
 
-        case 2:
-            mbedtls_des3_set2key_dec( &ctx3, des3_test_keys );
-            break;
+            case 2:
+                mbedtls_des3_set2key_dec(&ctx3, des3_test_keys);
+                break;
 
-        case 3:
-            mbedtls_des3_set2key_enc( &ctx3, des3_test_keys );
-            break;
+            case 3:
+                mbedtls_des3_set2key_enc(&ctx3, des3_test_keys);
+                break;
 
-        case 4:
-            mbedtls_des3_set3key_dec( &ctx3, des3_test_keys );
-            break;
+            case 4:
+                mbedtls_des3_set3key_dec(&ctx3, des3_test_keys);
+                break;
 
-        case 5:
-            mbedtls_des3_set3key_enc( &ctx3, des3_test_keys );
-            break;
+            case 5:
+                mbedtls_des3_set3key_enc(&ctx3, des3_test_keys);
+                break;
 
-        default:
-            return 1 ;
+            default:
+                return 1;
         }
 
-        if( v == MBEDTLS_DES_DECRYPT )
-        {
-            for( j = 0; j < 100; j++ )
-            {
-                if( u == 0 )
-                    mbedtls_des_crypt_cbc( &ctx, v, 8, iv, buf, buf );
+        if (v == MBEDTLS_DES_DECRYPT) {
+            for (j = 0; j < 100; j++) {
+                if (u == 0)
+                    mbedtls_des_crypt_cbc(&ctx, v, 8, iv, buf, buf);
                 else
-                    mbedtls_des3_crypt_cbc( &ctx3, v, 8, iv, buf, buf );
+                    mbedtls_des3_crypt_cbc(&ctx3, v, 8, iv, buf, buf);
             }
-        }
-        else
-        {
-            for( j = 0; j < 100; j++ )
-            {
+        } else {
+            for (j = 0; j < 100; j++) {
                 unsigned char tmp[8];
 
-                if( u == 0 )
-                    mbedtls_des_crypt_cbc( &ctx, v, 8, iv, buf, buf );
+                if (u == 0)
+                    mbedtls_des_crypt_cbc(&ctx, v, 8, iv, buf, buf);
                 else
-                    mbedtls_des3_crypt_cbc( &ctx3, v, 8, iv, buf, buf );
+                    mbedtls_des3_crypt_cbc(&ctx3, v, 8, iv, buf, buf);
 
-                memcpy( tmp, prv, 8 );
-                memcpy( prv, buf, 8 );
-                memcpy( buf, tmp, 8 );
+                memcpy(tmp, prv, 8);
+                memcpy(prv, buf, 8);
+                memcpy(buf, tmp, 8);
             }
 
-            memcpy( buf, prv, 8 );
+            memcpy(buf, prv, 8);
         }
 
-        if( ( v == MBEDTLS_DES_DECRYPT &&
-                memcmp( buf, des3_test_cbc_dec[u], 8 ) != 0 ) ||
-            ( v != MBEDTLS_DES_DECRYPT &&
-                memcmp( buf, des3_test_cbc_enc[u], 8 ) != 0 ) )
-        {
-            if( verbose != 0 )
-                mbedtls_printf( "failed\n" );
+        if ((v == MBEDTLS_DES_DECRYPT &&
+             memcmp(buf, des3_test_cbc_dec[u], 8) != 0) ||
+            (v != MBEDTLS_DES_DECRYPT &&
+             memcmp(buf, des3_test_cbc_enc[u], 8) != 0)) {
+            if (verbose != 0)
+                mbedtls_printf("failed\n");
 
             ret = 1;
             goto exit;
         }
 
-        if( verbose != 0 )
-            mbedtls_printf( "passed\n" );
+        if (verbose != 0)
+            mbedtls_printf("passed\n");
     }
-#endif /* MBEDTLS_CIPHER_MODE_CBC */
+#        endif /* MBEDTLS_CIPHER_MODE_CBC */
 
-    if( verbose != 0 )
-        mbedtls_printf( "\n" );
+    if (verbose != 0)
+        mbedtls_printf("\n");
 
 exit:
-    mbedtls_des_free( &ctx );
-    mbedtls_des3_free( &ctx3 );
+    mbedtls_des_free(&ctx);
+    mbedtls_des3_free(&ctx3);
 
-    return ret ;
+    return ret;
 }
 
-#endif /* MBEDTLS_SELF_TEST */
+#    endif /* MBEDTLS_SELF_TEST */
 
 #endif /* MBEDTLS_DES_C */