Hit md5 with the style(9) stick.

3 files changed, 163 insertions, 130 deletions

diff --git a/src/lib/libcrypto/md5/md5.h b/src/lib/libcrypto/md5/md5.h
index e2c511c7c5..d248c93a85 100644
--- a/src/lib/libcrypto/md5/md5.h
+++ b/src/lib/libcrypto/md5/md5.h
@@ -1,25 +1,25 @@
-/* $OpenBSD: md5.h,v 1.20 2014/10/20 13:06:54 bcook Exp $ */
+/* $OpenBSD: md5.h,v 1.21 2023/07/08 06:50:38 jsing Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
  * This package is an SSL implementation written
  * by Eric Young (eay@cryptsoft.com).
  * The implementation was written so as to conform with Netscapes SSL.
- * 
+ *
  * This library is free for commercial and non-commercial use as long as
  * the following conditions are aheared to.  The following conditions
  * apply to all code found in this distribution, be it the RC4, RSA,
  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  * included with this distribution is covered by the same copyright terms
  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- * 
+ *
  * Copyright remains Eric Young's, and as such any Copyright notices in
  * the code are not to be removed.
  * If this package is used in a product, Eric Young should be given attribution
  * as the author of the parts of the library used.
  * This can be in the form of a textual message at program startup or
  * in documentation (online or textual) provided with the package.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ -34,10 +34,10 @@
  *     Eric Young (eay@cryptsoft.com)"
  *    The word 'cryptographic' can be left out if the rouines from the library
  *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from 
+ * 4. If you include any Windows specific code (or a derivative thereof) from
  *    the apps directory (application code) you must include an acknowledgement:
  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,7 +49,7 @@
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
- * 
+ *
  * The licence and distribution terms for any publically available version or
  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  * copied and put under another distribution licence
@@ -86,20 +86,19 @@ extern "C" {
 #define MD5_LBLOCK      (MD5_CBLOCK/4)
 #define MD5_DIGEST_LENGTH 16
 
-typedef struct MD5state_st
-        {
-        MD5_LONG A,B,C,D;
-        MD5_LONG Nl,Nh;
+typedef struct MD5state_st {
+        MD5_LONG A, B,C, D;
+        MD5_LONG Nl, Nh;
         MD5_LONG data[MD5_LBLOCK];
         unsigned int num;
-        } MD5_CTX;
+} MD5_CTX;
 
 int MD5_Init(MD5_CTX *c);
 int MD5_Update(MD5_CTX *c, const void *data, size_t len)
-        __attribute__ ((__bounded__(__buffer__,2,3)));
+    __attribute__ ((__bounded__(__buffer__, 2, 3)));
 int MD5_Final(unsigned char *md, MD5_CTX *c);
 unsigned char *MD5(const unsigned char *d, size_t n, unsigned char *md)
-        __attribute__ ((__bounded__(__buffer__,1,2)));
+    __attribute__ ((__bounded__(__buffer__, 1, 2)));
 void MD5_Transform(MD5_CTX *c, const unsigned char *b);
 #ifdef  __cplusplus
 }
diff --git a/src/lib/libcrypto/md5/md5_dgst.c b/src/lib/libcrypto/md5/md5_dgst.c
index 5c08493d53..19a2b01e17 100644
--- a/src/lib/libcrypto/md5/md5_dgst.c
+++ b/src/lib/libcrypto/md5/md5_dgst.c
@@ -1,25 +1,25 @@
-/* $OpenBSD: md5_dgst.c,v 1.16 2023/07/08 06:41:45 jsing Exp $ */
+/* $OpenBSD: md5_dgst.c,v 1.17 2023/07/08 06:50:38 jsing Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
  * This package is an SSL implementation written
  * by Eric Young (eay@cryptsoft.com).
  * The implementation was written so as to conform with Netscapes SSL.
- * 
+ *
  * This library is free for commercial and non-commercial use as long as
  * the following conditions are aheared to.  The following conditions
  * apply to all code found in this distribution, be it the RC4, RSA,
  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  * included with this distribution is covered by the same copyright terms
  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- * 
+ *
  * Copyright remains Eric Young's, and as such any Copyright notices in
  * the code are not to be removed.
  * If this package is used in a product, Eric Young should be given attribution
  * as the author of the parts of the library used.
  * This can be in the form of a textual message at program startup or
  * in documentation (online or textual) provided with the package.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ -34,10 +34,10 @@
  *     Eric Young (eay@cryptsoft.com)"
  *    The word 'cryptographic' can be left out if the rouines from the library
  *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from 
+ * 4. If you include any Windows specific code (or a derivative thereof) from
  *    the apps directory (application code) you must include an acknowledgement:
  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,7 +49,7 @@
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
- * 
+ *
  * The licence and distribution terms for any publically available version or
  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  * copied and put under another distribution licence
@@ -78,7 +78,7 @@
 
 __BEGIN_HIDDEN_DECLS
 
-void md5_block_data_order (MD5_CTX *c, const void *p,size_t num);
+void md5_block_data_order (MD5_CTX *c, const void *p, size_t num);
 
 __END_HIDDEN_DECLS
 
@@ -143,115 +143,147 @@ __END_HIDDEN_DECLS
 #define INIT_DATA_C (unsigned long)0x98badcfeL
 #define INIT_DATA_D (unsigned long)0x10325476L
 
-int MD5_Init(MD5_CTX *c)
-        {
-        memset (c,0,sizeof(*c));
-        c->A=INIT_DATA_A;
-        c->B=INIT_DATA_B;
-        c->C=INIT_DATA_C;
-        c->D=INIT_DATA_D;
+int
+MD5_Init(MD5_CTX *c)
+{
+        memset (c, 0, sizeof(*c));
+        c->A = INIT_DATA_A;
+        c->B = INIT_DATA_B;
+        c->C = INIT_DATA_C;
+        c->D = INIT_DATA_D;
         return 1;
-        }
+}
 
 #ifndef md5_block_data_order
 #ifdef X
 #undef X
 #endif
-void md5_block_data_order (MD5_CTX *c, const void *data_, size_t num)
-        {
-        const unsigned char *data=data_;
-        unsigned MD32_REG_T A,B,C,D,l;
+void
+md5_block_data_order(MD5_CTX *c, const void *data_, size_t num)
+{
+        const unsigned char *data = data_;
+        unsigned MD32_REG_T A, B,C, D, l;
 #ifndef MD32_XARRAY
         /* See comment in crypto/sha/sha_locl.h for details. */
         unsigned MD32_REG_T     XX0, XX1, XX2, XX3, XX4, XX5, XX6, XX7,
-                                XX8, XX9,XX10,XX11,XX12,XX13,XX14,XX15;
+            XX8, XX9, XX10, XX11, XX12, XX13, XX14, XX15;
 # define X(i)   XX##i
 #else
         MD5_LONG XX[MD5_LBLOCK];
 # define X(i)   XX[i]
 #endif
 
-        A=c->A;
-        B=c->B;
-        C=c->C;
-        D=c->D;
+        A = c->A;
+        B = c->B;
+        C = c->C;
+        D = c->D;
 
-        for (;num--;)
-                {
-        HOST_c2l(data,l); X( 0)=l;              HOST_c2l(data,l); X( 1)=l;
-        /* Round 0 */
-        R0(A,B,C,D,X( 0), 7,0xd76aa478L);       HOST_c2l(data,l); X( 2)=l;
-        R0(D,A,B,C,X( 1),12,0xe8c7b756L);       HOST_c2l(data,l); X( 3)=l;
-        R0(C,D,A,B,X( 2),17,0x242070dbL);       HOST_c2l(data,l); X( 4)=l;
-        R0(B,C,D,A,X( 3),22,0xc1bdceeeL);       HOST_c2l(data,l); X( 5)=l;
-        R0(A,B,C,D,X( 4), 7,0xf57c0fafL);       HOST_c2l(data,l); X( 6)=l;
-        R0(D,A,B,C,X( 5),12,0x4787c62aL);       HOST_c2l(data,l); X( 7)=l;
-        R0(C,D,A,B,X( 6),17,0xa8304613L);       HOST_c2l(data,l); X( 8)=l;
-        R0(B,C,D,A,X( 7),22,0xfd469501L);       HOST_c2l(data,l); X( 9)=l;
-        R0(A,B,C,D,X( 8), 7,0x698098d8L);       HOST_c2l(data,l); X(10)=l;
-        R0(D,A,B,C,X( 9),12,0x8b44f7afL);       HOST_c2l(data,l); X(11)=l;
-        R0(C,D,A,B,X(10),17,0xffff5bb1L);       HOST_c2l(data,l); X(12)=l;
-        R0(B,C,D,A,X(11),22,0x895cd7beL);       HOST_c2l(data,l); X(13)=l;
-        R0(A,B,C,D,X(12), 7,0x6b901122L);       HOST_c2l(data,l); X(14)=l;
-        R0(D,A,B,C,X(13),12,0xfd987193L);       HOST_c2l(data,l); X(15)=l;
-        R0(C,D,A,B,X(14),17,0xa679438eL);
-        R0(B,C,D,A,X(15),22,0x49b40821L);
-        /* Round 1 */
-        R1(A,B,C,D,X( 1), 5,0xf61e2562L);
-        R1(D,A,B,C,X( 6), 9,0xc040b340L);
-        R1(C,D,A,B,X(11),14,0x265e5a51L);
-        R1(B,C,D,A,X( 0),20,0xe9b6c7aaL);
-        R1(A,B,C,D,X( 5), 5,0xd62f105dL);
-        R1(D,A,B,C,X(10), 9,0x02441453L);
-        R1(C,D,A,B,X(15),14,0xd8a1e681L);
-        R1(B,C,D,A,X( 4),20,0xe7d3fbc8L);
-        R1(A,B,C,D,X( 9), 5,0x21e1cde6L);
-        R1(D,A,B,C,X(14), 9,0xc33707d6L);
-        R1(C,D,A,B,X( 3),14,0xf4d50d87L);
-        R1(B,C,D,A,X( 8),20,0x455a14edL);
-        R1(A,B,C,D,X(13), 5,0xa9e3e905L);
-        R1(D,A,B,C,X( 2), 9,0xfcefa3f8L);
-        R1(C,D,A,B,X( 7),14,0x676f02d9L);
-        R1(B,C,D,A,X(12),20,0x8d2a4c8aL);
-        /* Round 2 */
-        R2(A,B,C,D,X( 5), 4,0xfffa3942L);
-        R2(D,A,B,C,X( 8),11,0x8771f681L);
-        R2(C,D,A,B,X(11),16,0x6d9d6122L);
-        R2(B,C,D,A,X(14),23,0xfde5380cL);
-        R2(A,B,C,D,X( 1), 4,0xa4beea44L);
-        R2(D,A,B,C,X( 4),11,0x4bdecfa9L);
-        R2(C,D,A,B,X( 7),16,0xf6bb4b60L);
-        R2(B,C,D,A,X(10),23,0xbebfbc70L);
-        R2(A,B,C,D,X(13), 4,0x289b7ec6L);
-        R2(D,A,B,C,X( 0),11,0xeaa127faL);
-        R2(C,D,A,B,X( 3),16,0xd4ef3085L);
-        R2(B,C,D,A,X( 6),23,0x04881d05L);
-        R2(A,B,C,D,X( 9), 4,0xd9d4d039L);
-        R2(D,A,B,C,X(12),11,0xe6db99e5L);
-        R2(C,D,A,B,X(15),16,0x1fa27cf8L);
-        R2(B,C,D,A,X( 2),23,0xc4ac5665L);
-        /* Round 3 */
-        R3(A,B,C,D,X( 0), 6,0xf4292244L);
-        R3(D,A,B,C,X( 7),10,0x432aff97L);
-        R3(C,D,A,B,X(14),15,0xab9423a7L);
-        R3(B,C,D,A,X( 5),21,0xfc93a039L);
-        R3(A,B,C,D,X(12), 6,0x655b59c3L);
-        R3(D,A,B,C,X( 3),10,0x8f0ccc92L);
-        R3(C,D,A,B,X(10),15,0xffeff47dL);
-        R3(B,C,D,A,X( 1),21,0x85845dd1L);
-        R3(A,B,C,D,X( 8), 6,0x6fa87e4fL);
-        R3(D,A,B,C,X(15),10,0xfe2ce6e0L);
-        R3(C,D,A,B,X( 6),15,0xa3014314L);
-        R3(B,C,D,A,X(13),21,0x4e0811a1L);
-        R3(A,B,C,D,X( 4), 6,0xf7537e82L);
-        R3(D,A,B,C,X(11),10,0xbd3af235L);
-        R3(C,D,A,B,X( 2),15,0x2ad7d2bbL);
-        R3(B,C,D,A,X( 9),21,0xeb86d391L);
+        for (; num--; ) {
+                HOST_c2l(data, l);
+                X( 0) = l;
+                HOST_c2l(data, l);
+                X( 1) = l;
+                /* Round 0 */
+                R0(A, B,C, D,X( 0), 7, 0xd76aa478L);
+                HOST_c2l(data, l);
+                X( 2) = l;
+                R0(D, A,B, C,X( 1), 12, 0xe8c7b756L);
+                HOST_c2l(data, l);
+                X( 3) = l;
+                R0(C, D,A, B,X( 2), 17, 0x242070dbL);
+                HOST_c2l(data, l);
+                X( 4) = l;
+                R0(B, C,D, A,X( 3), 22, 0xc1bdceeeL);
+                HOST_c2l(data, l);
+                X( 5) = l;
+                R0(A, B,C, D,X( 4), 7, 0xf57c0fafL);
+                HOST_c2l(data, l);
+                X( 6) = l;
+                R0(D, A,B, C,X( 5), 12, 0x4787c62aL);
+                HOST_c2l(data, l);
+                X( 7) = l;
+                R0(C, D,A, B,X( 6), 17, 0xa8304613L);
+                HOST_c2l(data, l);
+                X( 8) = l;
+                R0(B, C,D, A,X( 7), 22, 0xfd469501L);
+                HOST_c2l(data, l);
+                X( 9) = l;
+                R0(A, B,C, D,X( 8), 7, 0x698098d8L);
+                HOST_c2l(data, l);
+                X(10) = l;
+                R0(D, A,B, C,X( 9), 12, 0x8b44f7afL);
+                HOST_c2l(data, l);
+                X(11) = l;
+                R0(C, D,A, B,X(10), 17, 0xffff5bb1L);
+                HOST_c2l(data, l);
+                X(12) = l;
+                R0(B, C,D, A,X(11), 22, 0x895cd7beL);
+                HOST_c2l(data, l);
+                X(13) = l;
+                R0(A, B,C, D,X(12), 7, 0x6b901122L);
+                HOST_c2l(data, l);
+                X(14) = l;
+                R0(D, A,B, C,X(13), 12, 0xfd987193L);
+                HOST_c2l(data, l);
+                X(15) = l;
+                R0(C, D,A, B,X(14), 17, 0xa679438eL);
+                R0(B, C,D, A,X(15), 22, 0x49b40821L);
+                /* Round 1 */
+                R1(A, B,C, D,X( 1), 5, 0xf61e2562L);
+                R1(D, A,B, C,X( 6), 9, 0xc040b340L);
+                R1(C, D,A, B,X(11), 14, 0x265e5a51L);
+                R1(B, C,D, A,X( 0), 20, 0xe9b6c7aaL);
+                R1(A, B,C, D,X( 5), 5, 0xd62f105dL);
+                R1(D, A,B, C,X(10), 9, 0x02441453L);
+                R1(C, D,A, B,X(15), 14, 0xd8a1e681L);
+                R1(B, C,D, A,X( 4), 20, 0xe7d3fbc8L);
+                R1(A, B,C, D,X( 9), 5, 0x21e1cde6L);
+                R1(D, A,B, C,X(14), 9, 0xc33707d6L);
+                R1(C, D,A, B,X( 3), 14, 0xf4d50d87L);
+                R1(B, C,D, A,X( 8), 20, 0x455a14edL);
+                R1(A, B,C, D,X(13), 5, 0xa9e3e905L);
+                R1(D, A,B, C,X( 2), 9, 0xfcefa3f8L);
+                R1(C, D,A, B,X( 7), 14, 0x676f02d9L);
+                R1(B, C,D, A,X(12), 20, 0x8d2a4c8aL);
+                /* Round 2 */
+                R2(A, B,C, D,X( 5), 4, 0xfffa3942L);
+                R2(D, A,B, C,X( 8), 11, 0x8771f681L);
+                R2(C, D,A, B,X(11), 16, 0x6d9d6122L);
+                R2(B, C,D, A,X(14), 23, 0xfde5380cL);
+                R2(A, B,C, D,X( 1), 4, 0xa4beea44L);
+                R2(D, A,B, C,X( 4), 11, 0x4bdecfa9L);
+                R2(C, D,A, B,X( 7), 16, 0xf6bb4b60L);
+                R2(B, C,D, A,X(10), 23, 0xbebfbc70L);
+                R2(A, B,C, D,X(13), 4, 0x289b7ec6L);
+                R2(D, A,B, C,X( 0), 11, 0xeaa127faL);
+                R2(C, D,A, B,X( 3), 16, 0xd4ef3085L);
+                R2(B, C,D, A,X( 6), 23, 0x04881d05L);
+                R2(A, B,C, D,X( 9), 4, 0xd9d4d039L);
+                R2(D, A,B, C,X(12), 11, 0xe6db99e5L);
+                R2(C, D,A, B,X(15), 16, 0x1fa27cf8L);
+                R2(B, C,D, A,X( 2), 23, 0xc4ac5665L);
+                /* Round 3 */
+                R3(A, B,C, D,X( 0), 6, 0xf4292244L);
+                R3(D, A,B, C,X( 7), 10, 0x432aff97L);
+                R3(C, D,A, B,X(14), 15, 0xab9423a7L);
+                R3(B, C,D, A,X( 5), 21, 0xfc93a039L);
+                R3(A, B,C, D,X(12), 6, 0x655b59c3L);
+                R3(D, A,B, C,X( 3), 10, 0x8f0ccc92L);
+                R3(C, D,A, B,X(10), 15, 0xffeff47dL);
+                R3(B, C,D, A,X( 1), 21, 0x85845dd1L);
+                R3(A, B,C, D,X( 8), 6, 0x6fa87e4fL);
+                R3(D, A,B, C,X(15), 10, 0xfe2ce6e0L);
+                R3(C, D,A, B,X( 6), 15, 0xa3014314L);
+                R3(B, C,D, A,X(13), 21, 0x4e0811a1L);
+                R3(A, B,C, D,X( 4), 6, 0xf7537e82L);
+                R3(D, A,B, C,X(11), 10, 0xbd3af235L);
+                R3(C, D,A, B,X( 2), 15, 0x2ad7d2bbL);
+                R3(B, C,D, A,X( 9), 21, 0xeb86d391L);
 
-        A = c->A += A;
-        B = c->B += B;
-        C = c->C += C;
-        D = c->D += D;
-                }
+                A = c->A += A;
+                B = c->B += B;
+                C = c->C += C;
+                D = c->D += D;
         }
+}
 #endif
diff --git a/src/lib/libcrypto/md5/md5_one.c b/src/lib/libcrypto/md5/md5_one.c
index 3fb05de30c..6e894de7fe 100644
--- a/src/lib/libcrypto/md5/md5_one.c
+++ b/src/lib/libcrypto/md5/md5_one.c
@@ -1,25 +1,25 @@
-/* $OpenBSD: md5_one.c,v 1.10 2015/09/10 15:56:25 jsing Exp $ */
+/* $OpenBSD: md5_one.c,v 1.11 2023/07/08 06:50:38 jsing Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
  * This package is an SSL implementation written
  * by Eric Young (eay@cryptsoft.com).
  * The implementation was written so as to conform with Netscapes SSL.
- * 
+ *
  * This library is free for commercial and non-commercial use as long as
  * the following conditions are aheared to.  The following conditions
  * apply to all code found in this distribution, be it the RC4, RSA,
  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  * included with this distribution is covered by the same copyright terms
  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- * 
+ *
  * Copyright remains Eric Young's, and as such any Copyright notices in
  * the code are not to be removed.
  * If this package is used in a product, Eric Young should be given attribution
  * as the author of the parts of the library used.
  * This can be in the form of a textual message at program startup or
  * in documentation (online or textual) provided with the package.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ -34,10 +34,10 @@
  *     Eric Young (eay@cryptsoft.com)"
  *    The word 'cryptographic' can be left out if the rouines from the library
  *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from 
+ * 4. If you include any Windows specific code (or a derivative thereof) from
  *    the apps directory (application code) you must include an acknowledgement:
  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,7 +49,7 @@
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
- * 
+ *
  * The licence and distribution terms for any publically available version or
  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  * copied and put under another distribution licence
@@ -61,17 +61,19 @@
 #include <openssl/md5.h>
 #include <openssl/crypto.h>
 
-unsigned char *MD5(const unsigned char *d, size_t n, unsigned char *md)
-        {
+unsigned char *
+MD5(const unsigned char *d, size_t n, unsigned char *md)
+{
         MD5_CTX c;
         static unsigned char m[MD5_DIGEST_LENGTH];
 
-        if (md == NULL) md=m;
+        if (md == NULL)
+                md = m;
         if (!MD5_Init(&c))
                 return NULL;
-        MD5_Update(&c,d,n);
-        MD5_Final(md,&c);
-        explicit_bzero(&c,sizeof(c));
-        return(md);
-        }
+        MD5_Update(&c, d, n);
+        MD5_Final(md, &c);
+        explicit_bzero(&c, sizeof(c));
+        return (md);
+}