[#OSSL_ENCODER_CTX_set_passphrase]
= OSSL_ENCODER_CTX_set_passphrase
:mrdocs:

Set a passphrase used when the encoder encrypts private‐key output.

== Synopsis

Declared in `<openssl/encoder.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
OSSL_ENCODER_CTX_set_passphrase(
    xref:OSSL_ENCODER_CTX.adoc[OSSL_ENCODER_CTX]* ctx,
    unsigned char const* kstr,
    size_t klen);
----

== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Encoder context to configure.
| *kstr*
| Passphrase bytes (not necessarily NUL‐terminated).
| *klen*
| Length of `kstr` in bytes.
|===


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