[#EVP_DecryptFinal_ex]
= EVP_DecryptFinal_ex
:mrdocs:

Finalize decryption and write any remaining plaintext (including padding removal).

== Synopsis

Declared in `<openssl/evp.h>`

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

== Return Value

1 on success, or 0 on failure (for example padding errors).

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Cipher context previously used with EVP_DecryptUpdate().
| *outm*
| Buffer receiving final plaintext bytes (may need a full block of space).
| *outl*
| Receives the number of bytes written to `outm.`
|===


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