[#EVP_PKEY_new_raw_public_key_ex]
= EVP_PKEY_new_raw_public_key_ex
:mrdocs:

Create an EVP_PKEY from raw public‐key octets using a named algorithm and library context.

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:EVP_PKEY.adoc[EVP_PKEY]*
EVP_PKEY_new_raw_public_key_ex(
    xref:OSSL_LIB_CTX.adoc[OSSL_LIB_CTX]* libctx,
    char const* keytype,
    char const* propq,
    unsigned char const* pub,
    size_t len);
----

== Return Value

New EVP_PKEY, or NULL on failure; free with EVP_PKEY_free.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *libctx*
| Library context used to fetch the key type, or NULL for the default.
| *keytype*
| Algorithm name such as "ED25519" or "X25519".
| *propq*
| Property query string, or NULL.
| *pub*
| Raw public‐key bytes in the algorithm‐native format.
| *len*
| Length of `pub` in bytes.
|===


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