[#EVP_PKEY_Q_keygen]
= EVP_PKEY_Q_keygen
:mrdocs:

Quickly generate a key of algorithm `type` using varargs size/curve parameters.

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:EVP_PKEY.adoc[EVP_PKEY]*
EVP_PKEY_Q_keygen(
    xref:OSSL_LIB_CTX.adoc[OSSL_LIB_CTX]* libctx,
    char const* propq,
    char const* type, ...);
----

== Return Value

Newly allocated EVP_PKEY, or NULL on failure; free with EVP_PKEY_free().

== Parameters

[cols="1,4"]
|===
| Name| Description
| *libctx*
| Library context for fetches, or NULL for the default.
| *propq*
| Property query string, or NULL.
| *type*
| Algorithm name (for example "RSA", "EC", "ED25519").
|===


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