[#SHA1_Final]
= SHA1_Final
:mrdocs:

Finalize a SHA‐1 digest into `md` and clear `c` (deprecated; prefer EVP_DigestFinal_ex).

== Synopsis

Declared in `<openssl/sha.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
int
SHA1_Final(
    unsigned char* md,
    xref:SHA_CTX.adoc[SHA_CTX]* c);
----

[WARNING]
====
https://en.cppreference.com/cpp/language/attributes/deprecated[Deprecated^]. Use of this entity is allowed but discouraged.
====
== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *md*
| Output buffer of at least SHA_DIGEST_LENGTH (20) bytes.
| *c*
| Context previously updated with SHA1_Update().
|===


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