[#SHA256D64]
= SHA256D64
:mrdocs:

Compute multiple double&hyphen;SHA256&apos;s of 64&hyphen;byte blobs&period; output&colon; pointer to a blocks&ast;32 byte output buffer input&colon; pointer to a blocks&ast;64 byte input buffer blocks&colon; the number of hashes to compute&period;

== Synopsis

Declared in `&lt;crypto&sol;sha256&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
SHA256D64(
    unsigned char* output,
    unsigned char const* input,
    size&lowbar;t blocks);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *output*
| Pointer to a blocks&ast;32 byte output buffer&period;
| *input*
| Pointer to a blocks&ast;64 byte input buffer&period;
| *blocks*
| The number of hashes to compute&period;
|===


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