1 files changed, 34 insertions, 24 deletions

diff --git a/src/lib/libcrypto/sha/sha.h b/src/lib/libcrypto/sha/sha.h
index 4cf0ea0225..cd6960ee1a 100644
--- a/src/lib/libcrypto/sha/sha.h
+++ b/src/lib/libcrypto/sha/sha.h
@@ -63,45 +63,55 @@
 extern "C" {
 #endif
 
-#define SHA_CBLOCK      64
+#ifdef NO_SHA
+#error SHA is disabled.
+#endif
+
+/*
+ * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+ * ! SHA_LONG has to be at least 32 bits wide. If it's wider, then !
+ * ! SHA_LONG_LOG2 has to be defined along.                        !
+ * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+ */
+
+#if defined(WIN16) || defined(__LP32__)
+#define SHA_LONG unsigned long
+#elif defined(_CRAY) || defined(__ILP64__)
+#define SHA_LONG unsigned long
+#define SHA_LONG_LOG2 3
+#else
+#define SHA_LONG unsigned int
+#endif
+
 #define SHA_LBLOCK      16
-#define SHA_BLOCK       16
-#define SHA_LAST_BLOCK  56
-#define SHA_LENGTH_BLOCK 8
+#define SHA_CBLOCK      (SHA_LBLOCK*4)  /* SHA treats input data as a
+                                         * contiguous array of 32 bit
+                                         * wide big-endian values. */
+#define SHA_LAST_BLOCK  (SHA_CBLOCK-8)
 #define SHA_DIGEST_LENGTH 20
 
 typedef struct SHAstate_st
         {
-        unsigned long h0,h1,h2,h3,h4;
-        unsigned long Nl,Nh;
-        unsigned long data[SHA_LBLOCK];
+        SHA_LONG h0,h1,h2,h3,h4;
+        SHA_LONG Nl,Nh;
+        SHA_LONG data[SHA_LBLOCK];
         int num;
         } SHA_CTX;
 
-#ifndef NOPROTO
+#ifndef NO_SHA0
 void SHA_Init(SHA_CTX *c);
-void SHA_Update(SHA_CTX *c, unsigned char *data, unsigned long len);
+void SHA_Update(SHA_CTX *c, const unsigned char *data, unsigned long len);
 void SHA_Final(unsigned char *md, SHA_CTX *c);
-unsigned char *SHA(unsigned char *d, unsigned long n,unsigned char *md);
+unsigned char *SHA(const unsigned char *d, unsigned long n,unsigned char *md);
 void SHA_Transform(SHA_CTX *c, unsigned char *data);
+#endif
+#ifndef NO_SHA1
 void SHA1_Init(SHA_CTX *c);
-void SHA1_Update(SHA_CTX *c, unsigned char *data, unsigned long len);
+void SHA1_Update(SHA_CTX *c, const unsigned char *data, unsigned long len);
 void SHA1_Final(unsigned char *md, SHA_CTX *c);
-unsigned char *SHA1(unsigned char *d, unsigned long n,unsigned char *md);
+unsigned char *SHA1(const unsigned char *d, unsigned long n,unsigned char *md);
 void SHA1_Transform(SHA_CTX *c, unsigned char *data);
-#else
-void SHA_Init();
-void SHA_Update();
-void SHA_Final();
-unsigned char *SHA();
-void SHA_Transform();
-void SHA1_Init();
-void SHA1_Update();
-void SHA1_Final();
-unsigned char *SHA1();
-void SHA1_Transform();
 #endif
-
 #ifdef  __cplusplus
 }
 #endif