diff options
Diffstat (limited to 'lib/sha1.h')
| -rw-r--r-- | lib/sha1.h | 178 |
1 files changed, 89 insertions, 89 deletions
@@ -1,89 +1,89 @@ -/*
- * sha1.h
- *
- * Copyright (C) 1998
- * Paul E. Jones <paulej@arid.us>
- * All Rights Reserved.
- *
- *****************************************************************************
- * $Id: sha1.h,v 1.6 2004/03/27 18:02:26 paulej Exp $
- *****************************************************************************
- *
- * Description:
- * This class implements the Secure Hashing Standard as defined
- * in FIPS PUB 180-1 published April 17, 1995.
- *
- * Many of the variable names in this class, especially the single
- * character names, were used because those were the names used
- * in the publication.
- *
- * Please read the file sha1.cpp for more information.
- *
- */
-
-#ifndef _SHA1_H_
-#define _SHA1_H_
-
-class SHA1
-{
-
- public:
-
- SHA1();
- virtual ~SHA1();
-
- /*
- * Re-initialize the class
- */
- void Reset();
-
- /*
- * Returns the message digest
- */
- bool Result(unsigned *message_digest_array);
-
- /*
- * Provide input to SHA1
- */
- void Input( const unsigned char *message_array,
- unsigned length);
- void Input( const char *message_array,
- unsigned length);
- void Input(unsigned char message_element);
- void Input(char message_element);
- SHA1& operator<<(const char *message_array);
- SHA1& operator<<(const unsigned char *message_array);
- SHA1& operator<<(const char message_element);
- SHA1& operator<<(const unsigned char message_element);
-
- private:
-
- /*
- * Process the next 512 bits of the message
- */
- void ProcessMessageBlock();
-
- /*
- * Pads the current message block to 512 bits
- */
- void PadMessage();
-
- /*
- * Performs a circular left shift operation
- */
- inline unsigned CircularShift(int bits, unsigned word);
-
- unsigned H[5]; // Message digest buffers
-
- unsigned Length_Low; // Message length in bits
- unsigned Length_High; // Message length in bits
-
- unsigned char Message_Block[64]; // 512-bit message blocks
- int Message_Block_Index; // Index into message block array
-
- bool Computed; // Is the digest computed?
- bool Corrupted; // Is the message digest corruped?
-
-};
-
-#endif
+/* + * sha1.h + * + * Copyright (C) 1998 + * Paul E. Jones <paulej@arid.us> + * All Rights Reserved. + * + ***************************************************************************** + * $Id: sha1.h,v 1.6 2004/03/27 18:02:26 paulej Exp $ + ***************************************************************************** + * + * Description: + * This class implements the Secure Hashing Standard as defined + * in FIPS PUB 180-1 published April 17, 1995. + * + * Many of the variable names in this class, especially the single + * character names, were used because those were the names used + * in the publication. + * + * Please read the file sha1.cpp for more information. + * + */ + +#ifndef _SHA1_H_ +#define _SHA1_H_ + +class SHA1 +{ + + public: + + SHA1(); + virtual ~SHA1(); + + /* + * Re-initialize the class + */ + void Reset(); + + /* + * Returns the message digest + */ + bool Result(unsigned *message_digest_array); + + /* + * Provide input to SHA1 + */ + void Input( const unsigned char *message_array, + unsigned length); + void Input( const char *message_array, + unsigned length); + void Input(unsigned char message_element); + void Input(char message_element); + SHA1& operator<<(const char *message_array); + SHA1& operator<<(const unsigned char *message_array); + SHA1& operator<<(const char message_element); + SHA1& operator<<(const unsigned char message_element); + + private: + + /* + * Process the next 512 bits of the message + */ + void ProcessMessageBlock(); + + /* + * Pads the current message block to 512 bits + */ + void PadMessage(); + + /* + * Performs a circular left shift operation + */ + inline unsigned CircularShift(int bits, unsigned word); + + unsigned H[5]; // Message digest buffers + + unsigned Length_Low; // Message length in bits + unsigned Length_High; // Message length in bits + + unsigned char Message_Block[64]; // 512-bit message blocks + int Message_Block_Index; // Index into message block array + + bool Computed; // Is the digest computed? + bool Corrupted; // Is the message digest corruped? + +}; + +#endif |