Message digest stuff.

5 files changed, 9 insertions, 8 deletions

diff --git a/crypto/sha/sha.h b/crypto/sha/sha.h
index 105d4c8575..ba40aafc13 100644
--- a/crypto/sha/sha.h
+++ b/crypto/sha/sha.h
@@ -90,16 +90,16 @@ typedef struct SHAstate_st
 
 #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);
 #endif
 #ifdef  __cplusplus
diff --git a/crypto/sha/sha1_one.c b/crypto/sha/sha1_one.c
index 864e2a89cb..861752eaa7 100644
--- a/crypto/sha/sha1_one.c
+++ b/crypto/sha/sha1_one.c
@@ -61,7 +61,7 @@
 #include <openssl/sha.h>
 
 #ifndef NO_SHA1
-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)
 	{
 	SHA_CTX c;
 	static unsigned char m[SHA_DIGEST_LENGTH];
diff --git a/crypto/sha/sha1dgst.c b/crypto/sha/sha1dgst.c
index 532f53baa4..f4a47f3768 100644
--- a/crypto/sha/sha1dgst.c
+++ b/crypto/sha/sha1dgst.c
@@ -114,7 +114,7 @@ void SHA1_Init(SHA_CTX *c)
 	c->num=0;
 	}
 
-void SHA1_Update(SHA_CTX *c, register unsigned char *data,
+void SHA1_Update(SHA_CTX *c, const register unsigned char *data,
 	     unsigned long len)
 	{
 	register SHA_LONG *p;
diff --git a/crypto/sha/sha_dgst.c b/crypto/sha/sha_dgst.c
index e75c66c220..5827c73cea 100644
--- a/crypto/sha/sha_dgst.c
+++ b/crypto/sha/sha_dgst.c
@@ -100,7 +100,8 @@ void SHA_Init(SHA_CTX *c)
 	c->num=0;
 	}
 
-void SHA_Update(SHA_CTX *c, register unsigned char *data, unsigned long len)
+void SHA_Update(SHA_CTX *c, const register unsigned char *data,
+		unsigned long len)
 	{
 	register SHA_LONG *p;
 	int ew,ec,sw,sc;
diff --git a/crypto/sha/sha_one.c b/crypto/sha/sha_one.c
index 6ef3f06a37..2d955de162 100644
--- a/crypto/sha/sha_one.c
+++ b/crypto/sha/sha_one.c
@@ -61,7 +61,7 @@
 #include <openssl/sha.h>
 
 #ifndef NO_SHA0
-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)
 	{
 	SHA_CTX c;
 	static unsigned char m[SHA_DIGEST_LENGTH];