[#SHA256D64]
= SHA256D64
:mrdocs:

Compute multiple double‐SHA256's of 64‐byte blobs. output: pointer to a blocks*32 byte output buffer input: pointer to a blocks*64 byte input buffer blocks: the number of hashes to compute.

== Synopsis

Declared in `<crypto/sha256.h>`

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

== Parameters

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


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