From 7e1b44a2e4d84f1564d6a4ac4baa43a8d189ae38 Mon Sep 17 00:00:00 2001
From: Paul Mackerras <paulus@samba.org>
Date: Sun, 24 Oct 2004 23:31:20 +0000
Subject: [PATCH] Don't use unsigned long in the SHA1 code; we want 32-bit
 variables and unsigned long is 64 bits on 64-bit platforms.  Use unsigned int
 or u_int32_t instead.  Pointed out by Oleg Makarenko.

---
 linux/mppe/sha1.c | 10 +++++-----
 linux/mppe/sha1.h |  4 ++--
 pppd/sha1.c       | 10 +++++-----
 pppd/sha1.h       |  4 ++--
 4 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/linux/mppe/sha1.c b/linux/mppe/sha1.c
index 7e8b03c..a895c87 100644
--- a/linux/mppe/sha1.c
+++ b/linux/mppe/sha1.c
@@ -29,7 +29,7 @@
 
 #include "sha1.h"
 
-static void SHA1_Transform(unsigned long[5], const unsigned char[64]);
+static void SHA1_Transform(unsigned int[5], const unsigned char[64]);
 
 #define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
 
@@ -57,12 +57,12 @@ static void SHA1_Transform(unsigned long[5], const unsigned char[64]);
 /* Hash a single 512-bit block. This is the core of the algorithm. */
 
 static void
-SHA1_Transform(unsigned long state[5], const unsigned char buffer[64])
+SHA1_Transform(unsigned int state[5], const unsigned char buffer[64])
 {
-    unsigned long a, b, c, d, e;
+    unsigned int a, b, c, d, e;
     typedef union {
 	unsigned char c[64];
-	unsigned long l[16];
+	unsigned int l[16];
     } CHAR64LONG16;
     CHAR64LONG16 *block;
 
@@ -156,7 +156,7 @@ SHA1_Update(SHA1_CTX *context, const unsigned char *data, unsigned int len)
 void
 SHA1_Final(unsigned char digest[20], SHA1_CTX *context)
 {
-    unsigned long i, j;
+    unsigned int i, j;
     unsigned char finalcount[8];
 
     for (i = 0; i < 8; i++) {
diff --git a/linux/mppe/sha1.h b/linux/mppe/sha1.h
index b23356b..451868c 100644
--- a/linux/mppe/sha1.h
+++ b/linux/mppe/sha1.h
@@ -4,8 +4,8 @@
 #define _SHA1_H
 
 typedef struct {
-    unsigned long state[5];
-    unsigned long count[2];
+    unsigned int state[5];
+    unsigned int count[2];
     unsigned char buffer[64];
 } SHA1_CTX;
 
diff --git a/pppd/sha1.c b/pppd/sha1.c
index b8701b4..da142f1 100644
--- a/pppd/sha1.c
+++ b/pppd/sha1.c
@@ -21,7 +21,7 @@
 #include "sha1.h"
 
 static void
-SHA1_Transform(unsigned long[5], const unsigned char[64]);
+SHA1_Transform(u_int32_t[5], const unsigned char[64]);
 
 #define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
 
@@ -42,12 +42,12 @@ SHA1_Transform(unsigned long[5], const unsigned char[64]);
 /* Hash a single 512-bit block. This is the core of the algorithm. */
 
 static void
-SHA1_Transform(unsigned long state[5], const unsigned char buffer[64])
+SHA1_Transform(u_int32_t state[5], const unsigned char buffer[64])
 {
-    unsigned long a, b, c, d, e;
+    u_int32_t a, b, c, d, e;
     typedef union {
 	unsigned char c[64];
-	unsigned long l[16];
+	u_int32_t l[16];
     } CHAR64LONG16;
     CHAR64LONG16 *block;
 
@@ -141,7 +141,7 @@ SHA1_Update(SHA1_CTX *context, const unsigned char *data, unsigned int len)
 void
 SHA1_Final(unsigned char digest[20], SHA1_CTX *context)
 {
-    unsigned long i, j;
+    u_int32_t i, j;
     unsigned char finalcount[8];
 
     for (i = 0; i < 8; i++) {
diff --git a/pppd/sha1.h b/pppd/sha1.h
index f1d2661..83f64df 100644
--- a/pppd/sha1.h
+++ b/pppd/sha1.h
@@ -17,8 +17,8 @@
 #endif
 
 typedef struct {
-    unsigned long state[5];
-    unsigned long count[2];
+    u_int32_t state[5];
+    u_int32_t count[2];
     unsigned char buffer[64];
 } SHA1_CTX;
 
-- 
2.39.2