[#EVP_CIPHER_asn1_to_param]
= EVP_CIPHER_asn1_to_param
:mrdocs:

Decode cipher AlgorithmIdentifier parameters from `type` into cipher context `c.`

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
EVP_CIPHER_asn1_to_param(
    xref:EVP_CIPHER_CTX.adoc[EVP_CIPHER_CTX]* c,
    xref:ASN1_TYPE.adoc[ASN1_TYPE]* type);
----

== Return Value

1 on success, or 0/‐1 on failure (for example if the cipher lacks ASN.1 support).

== Parameters

[cols="1,4"]
|===
| Name| Description
| *c*
| Cipher context that receives parameters (typically including the IV).
| *type*
| ASN.1 type holding the AlgorithmIdentifier parameters.
|===


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