[#EVP_EncodeBlock]
= EVP_EncodeBlock
:mrdocs:

Base64‐encode `n` bytes from `f` into `t` as a single block (with NUL terminator).

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
EVP_EncodeBlock(
    unsigned char* t,
    unsigned char const* f,
    int n);
----

== Return Value

Number of Base64 characters written, not counting the trailing NUL.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *t*
| Destination buffer (at least ((n+2)/3)*4 + 1 bytes).
| *f*
| Input octets to encode.
| *n*
| Number of input bytes.
|===


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