[#OSSL_HPKE_get_recommended_ikmelen]
= OSSL_HPKE_get_recommended_ikmelen
:mrdocs:

Return the recommended IKM length for deterministic key generation with `suite.`

== Synopsis

Declared in `<openssl/hpke.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
size_t
OSSL_HPKE_get_recommended_ikmelen(OSSL_HPKE_SUITE suite);
----

== Return Value

Recommended IKM length in bytes, or 0 on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *suite*
| Suite whose KEM determines the recommended IKM size.
|===


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