[#EVP_OpenFinal]
= EVP_OpenFinal
:mrdocs:

Finalize an open (envelope decrypt) operation and write any remaining plaintext.

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
EVP_OpenFinal(
    xref:EVP_CIPHER_CTX.adoc[EVP_CIPHER_CTX]* ctx,
    unsigned char* out,
    int* outl);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Cipher context initialized with EVP_OpenInit().
| *out*
| Buffer receiving final plaintext bytes.
| *outl*
| Receives the number of bytes written to `out.`
|===


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