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0d235919fb
- and add torture tests also based on the rfc's metze (This used to be commit d48930a02f9560640697fd57e4bba03dc0abe284)
63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
/*
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This file contains the reference implementation of SHA-1
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from http://www.ietf.org/rfc/rfc3174.txt
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*/
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/*
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* sha1.h
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*
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* Description:
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* This is the header file for code which implements the Secure
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* Hashing Algorithm 1 as defined in FIPS PUB 180-1 published
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* April 17, 1995.
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*
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* Many of the variable names in this code, especially the
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* single character names, were used because those were the names
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* used in the publication.
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*
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* Please read the file sha1.c for more information.
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*
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*/
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#ifndef _SHA1_H_
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#define _SHA1_H_
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#ifndef _SHA_enum_
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#define _SHA_enum_
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enum
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{
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shaSuccess = 0,
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shaNull, /* Null pointer parameter */
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shaInputTooLong, /* input data too long */
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shaStateError /* called Input after Result */
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};
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#endif
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#define SHA1HashSize 20
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/*
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* This structure will hold context information for the SHA-1
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* hashing operation
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*/
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struct SHA1Context
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{
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uint32_t Intermediate_Hash[SHA1HashSize/4]; /* Message Digest */
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uint32_t Length_Low; /* Message length in bits */
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uint32_t Length_High; /* Message length in bits */
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/* Index into message block array */
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int16_t Message_Block_Index;
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uint8_t Message_Block[64]; /* 512-bit message blocks */
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int Computed; /* Is the digest computed? */
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int Corrupted; /* Is the message digest corrupted? */
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};
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/*
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* Function Prototypes
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*/
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int SHA1Init(struct SHA1Context *);
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int SHA1Update(struct SHA1Context *, const uint8_t *data, size_t data_len);
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int SHA1Final(uint8_t Message_Digest[SHA1HashSize], struct SHA1Context *);
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#endif
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