crypto_ahash_export
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## Name

crypto_ahash_export — extract current message digest state

## Synopsis

`int crypto_ahash_export (` | struct ahash_request * req,
| void * out`)`;

## Arguments

`req`

  reference to the ahash_request handle whose state is exported

`out`

  output buffer of sufficient size that can hold the hash state

## Description

This function exports the hash state of the ahash_request handle into the caller-allocated output buffer out which must have sufficient size (e.g. by calling crypto_ahash_reqsize).

## Return

0 if the export was successful; < 0 if an error occurred

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