X-Git-Url: https://vcs.fsf.org/?a=blobdiff_plain;f=src%2Fsrc%2Fpdkim%2Fsha1.h;h=29a9070eb0faf8788961c04ca684a1ee41a9031d;hb=3a2ac12bcabf06f73ef372dfa23e6edead237aa7;hp=677e5418f37f3afbcce48732c283687c5cc0ec0b;hpb=67932e542eb65f681779f5d49974afe8369a9b9a;p=exim.git

diff --git a/src/src/pdkim/sha1.h b/src/src/pdkim/sha1.h
index 677e5418f..29a9070eb 100644
--- a/src/src/pdkim/sha1.h
+++ b/src/src/pdkim/sha1.h
@@ -1,10 +1,12 @@
 /**
  * \file sha1.h
  *
- *  Copyright (C) 2006-2009, Paul Bakker <polarssl_maintainer at polarssl.org>
- *  All rights reserved.
+ *  Copyright (C) 2006-2010, Brainspark B.V.
+ *
+ *  This file is part of PolarSSL (http://www.polarssl.org)
+ *  Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>
  *
- *  Joined copyright on original XySSL code with: Christophe Devine
+ *  All rights reserved.
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -21,15 +23,12 @@
  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-/* $Cambridge: exim/src/src/pdkim/sha1.h,v 1.3 2009/12/07 13:05:07 tom Exp $ */
-
 #ifndef POLARSSL_SHA1_H
 #define POLARSSL_SHA1_H
 
 /**
  * \brief          SHA-1 context structure
  */
-
 #ifndef HAVE_SHA1_CONTEXT
 #define HAVE_SHA1_CONTEXT
 typedef struct sha1_context sha1_context;
@@ -45,7 +44,6 @@ struct sha1_context
     unsigned char opad[64];     /*!< HMAC: outer padding        */
 };
 
-
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -64,7 +62,7 @@ void sha1_starts( sha1_context *ctx );
  * \param input    buffer holding the  data
  * \param ilen     length of the input data
  */
-void sha1_update( sha1_context *ctx, unsigned char *input, int ilen );
+void sha1_update( sha1_context *ctx, const unsigned char *input, int ilen );
 
 /**
  * \brief          SHA-1 final digest
@@ -81,7 +79,7 @@ void sha1_finish( sha1_context *ctx, unsigned char output[20] );
  * \param ilen     length of the input data
  * \param output   SHA-1 checksum result
  */
-void sha1( unsigned char *input, int ilen, unsigned char output[20] );
+void sha1( const unsigned char *input, int ilen, unsigned char output[20] );
 
 /**
  * \brief          Output = SHA-1( file contents )
@@ -92,7 +90,7 @@ void sha1( unsigned char *input, int ilen, unsigned char output[20] );
  * \return         0 if successful, 1 if fopen failed,
  *                 or 2 if fread failed
  */
-int sha1_file( char *path, unsigned char output[20] );
+int sha1_file( const char *path, unsigned char output[20] );
 
 /**
  * \brief          SHA-1 HMAC context setup
@@ -101,7 +99,7 @@ int sha1_file( char *path, unsigned char output[20] );
  * \param key      HMAC secret key
  * \param keylen   length of the HMAC key
  */
-void sha1_hmac_starts( sha1_context *ctx, unsigned char *key, int keylen );
+void sha1_hmac_starts( sha1_context *ctx, const unsigned char *key, int keylen );
 
 /**
  * \brief          SHA-1 HMAC process buffer
@@ -110,7 +108,7 @@ void sha1_hmac_starts( sha1_context *ctx, unsigned char *key, int keylen );
  * \param input    buffer holding the  data
  * \param ilen     length of the input data
  */
-void sha1_hmac_update( sha1_context *ctx, unsigned char *input, int ilen );
+void sha1_hmac_update( sha1_context *ctx, const unsigned char *input, int ilen );
 
 /**
  * \brief          SHA-1 HMAC final digest
@@ -120,6 +118,13 @@ void sha1_hmac_update( sha1_context *ctx, unsigned char *input, int ilen );
  */
 void sha1_hmac_finish( sha1_context *ctx, unsigned char output[20] );
 
+/**
+ * \brief          SHA-1 HMAC context reset
+ *
+ * \param ctx      HMAC context to be reset
+ */
+void sha1_hmac_reset( sha1_context *ctx );
+
 /**
  * \brief          Output = HMAC-SHA-1( hmac key, input buffer )
  *
@@ -129,8 +134,8 @@ void sha1_hmac_finish( sha1_context *ctx, unsigned char output[20] );
  * \param ilen     length of the input data
  * \param output   HMAC-SHA-1 result
  */
-void sha1_hmac( unsigned char *key, int keylen,
-                unsigned char *input, int ilen,
+void sha1_hmac( const unsigned char *key, int keylen,
+                const unsigned char *input, int ilen,
                 unsigned char output[20] );
 
 #ifdef __cplusplus