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# Module sha1 Methods

## AcquireSHA1Info

AcquireSHA1Info() allocate the SHA1Info structure.

The format of the AcquireSHA1Info method is:

      SHA1Info *AcquireSHA1Info(void)

## DestroySHA1Info

DestroySHA1Info() zeros memory associated with the SHA1Info structure.

The format of the DestroySHA1Info method is:

      SHA1Info *DestroySHA1Info(SHA1Info *sha_info)

A description of each parameter follows:

##### sha_info

The cipher sha_info.

## FinalizeSHA1

FinalizeSHA1() finalizes the SHA1 message accumulator computation.

The format of the FinalizeSHA1 method is:

      FinalizeSHA1(SHA1Info *sha_info)

A description of each parameter follows:

##### sha_info

The address of a structure of type SHA1Info.

## GetSHA1Blocksize

GetSHA1Blocksize() returns the SHA1 blocksize.

The format of the GetSHA1Blocksize method is:

      unsigned int *GetSHA1Blocksize(const SHA1Info *sha1_info)

A description of each parameter follows:

##### sha1_info

The sha1 info.

## GetSHA1Digest

GetSHA1Digest() returns the SHA1 digest.

The format of the GetSHA1Digest method is:

      const StringInfo *GetSHA1Digest(const SHA1Info *sha1_info)

A description of each parameter follows:

##### sha1_info

The sha1 info.

## GetSHA1Digestsize

GetSHA1Digestsize() returns the SHA1 digest size.

The format of the GetSHA1Digestsize method is:

      unsigned int *GetSHA1Digestsize(const SHA1Info *sha1_info)

A description of each parameter follows:

##### sha1_info

The sha1 info.

## IntializeSHA1

IntializeSHA1() intializes the SHA1 accumulator.

The format of the DestroySHA1Info method is:

      void InitializeSHA1Info(SHA1Info *sha_info)

A description of each parameter follows:

##### sha_info

The cipher sha_info.

## TransformSHA1

TransformSHA1() transforms the SHA1 message accumulator.

The format of the TransformSHA1 method is:

      TransformSHA1(SHA1Info *sha_info)

A description of each parameter follows:

##### sha_info

The address of a structure of type SHA1Info.

## UpdateSHA1

UpdateSHA1() updates the SHA1 message accumulator.

The format of the UpdateSHA1 method is:

      UpdateSHA1(SHA1Info *sha_info,const StringInfo *message)

A description of each parameter follows:

##### sha_info

The address of a structure of type SHA1Info.

##### message

The message

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