[#EVP_DecryptFinal]
= EVP_DecryptFinal
:mrdocs:

Finish decryption and write any remaining plaintext (legacy wrapper).

== Synopsis

Declared in `<openssl/evp.h>`

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

== Return Value

1 on success, 0 on padding/authentication failure, or a negative value on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Decryption context previously updated with EVP_DecryptUpdate.
| *outm*
| Buffer receiving the final plaintext block(s).
| *outl*
| Receives the number of bytes written to `outm.`
|===


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