[#EVP_CIPHER_CTX_test_flags]
= EVP_CIPHER_CTX_test_flags
:mrdocs:

Test whether selected flag bits are set on a cipher context.

== Synopsis

Declared in `<openssl/evp.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
EVP_CIPHER_CTX_test_flags(
    xref:EVP_CIPHER_CTX.adoc[EVP_CIPHER_CTX] const* ctx,
    int flags);
----

== Return Value

Bitwise AND of `flags` with the context's flags (non‐zero if any tested bit is set).

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ctx*
| Cipher context to query.
| *flags*
| Bitmask of EVP_CIPHER_CTX flag bits to test (for example EVP_CIPH_NO_PADDING).
|===


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