diff options
Diffstat (limited to 'nGenEx/Sha1.h')
| -rw-r--r-- | nGenEx/Sha1.h | 154 |
1 files changed, 77 insertions, 77 deletions
diff --git a/nGenEx/Sha1.h b/nGenEx/Sha1.h index 531a543..da6355e 100644 --- a/nGenEx/Sha1.h +++ b/nGenEx/Sha1.h @@ -1,25 +1,25 @@ /* - * Sha1.h - * - * Copyright (C) 1998 - * Paul E. Jones <paulej@acm.org> - * All Rights Reserved. - * - ***************************************************************************** - * $Id: sha1.h,v 1.4 2001/03/20 06:25:06 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. - * - */ +* Sha1.h +* +* Copyright (C) 1998 +* Paul E. Jones <paulej@acm.org> +* All Rights Reserved. +* +***************************************************************************** +* $Id: sha1.h,v 1.4 2001/03/20 06:25:06 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_ @@ -27,62 +27,62 @@ 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? +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? }; |