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- /*
- * sha1.h
- * Copyright (C) The Internet Society (2001). All Rights Reserved.
- * This document and translations of it may be copied and furnished to others,
- * and derivative works that comment on or otherwise explain it or assist in its
- * implementation may be prepared, copied, published and distributed, in whole or in part,
- * without restriction of any kind, provided that the above copyright notice and this paragraph
- * are included on all such copies and derivative works. However, this document itself may not
- * be modified in any way, such as by removing the copyright notice or references to the Internet Society
- * or other Internet organizations, except as needed for the purpose of developing Internet standards in
- * which case the procedures for copyrights defined in the Internet Standards process must be followed,
- * or as required to translate it into languages other than English.
- *
- * The limited permissions granted above are perpetual and will not be revoked by the Internet Society or its successors or assigns.
- *
- * This document and the information contained herein is provided on an "AS IS" basis and
- * THE INTERNET SOCIETY AND THE INTERNET ENGINEERING TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED,
- * INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS
- * OR ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- *
- *
- * Description:
- * This is the header file for code which implements the Secure
- * Hashing Algorithm 1 as defined in FIPS PUB 180-1 published
- * April 17, 1995.
- *
- * Many of the variable names in this code, especially the
- * single character names, were used because those were the names
- * used in the publication.
- *
- * Please read the file sha1.c for more information.
- *
- */
- #ifndef _SHA1_H_
- #define _SHA1_H_
- #include <stdint.h>
- /*
- * If you do not have the ISO standard stdint.h header file, then you
- * must typdef the following:
- * name meaning
- * uint32_t unsigned 32 bit integer
- * uint8_t unsigned 8 bit integer (i.e., unsigned char)
- * int_least16_t integer of >= 16 bits
- *
- */
- #ifndef _SHA_enum_
- #define _SHA_enum_
- enum
- {
- shaSuccess = 0,
- shaNull, /* Null pointer parameter */
- shaInputTooLong, /* input data too long */
- shaStateError /* called Input after Result */
- };
- #endif
- #define SHA1HashSize 20
- /*
- * This structure will hold context information for the SHA-1
- * hashing operation
- */
- typedef struct SHA1Context
- {
- uint32_t Intermediate_Hash[SHA1HashSize/4]; /* Message Digest */
- uint32_t Length_Low; /* Message length in bits */
- uint32_t Length_High; /* Message length in bits */
- /* Index into message block array */
- int_least16_t Message_Block_Index;
- uint8_t Message_Block[64]; /* 512-bit message blocks */
- int Computed; /* Is the digest computed? */
- int Corrupted; /* Is the message digest corrupted? */
- } SHA1Context;
- /*
- * Function Prototypes
- */
- int SHA1Reset( SHA1Context *);
- int SHA1Input( SHA1Context *,
- const uint8_t *,
- unsigned int);
- int SHA1Result( SHA1Context *,
- uint8_t Message_Digest[SHA1HashSize]);
- void SHA1ConvertMessageToString(uint8_t *hash_binary, char* hash_string);
- #endif
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