[#BN_GF2m_mod_div_arr]
= BN_GF2m_mod_div_arr
:mrdocs:

Compute `r` = (`a` / `b)` in GF(2ˆm) with reduction polynomial `p[].`

== Synopsis

Declared in `<openssl/bn.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
BN_GF2m_mod_div_arr(
    xref:BIGNUM.adoc[BIGNUM]* r,
    xref:BIGNUM.adoc[BIGNUM] const* a,
    xref:BIGNUM.adoc[BIGNUM] const* b,
    int const p[],
    xref:BN_CTX.adoc[BN_CTX]* ctx);
----

== Return Value

1 on success, or 0 on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *r*
| Destination quotient.
| *a*
| Dividend.
| *b*
| Divisor (must be nonzero in the field).
| *p*
| Irreducible polynomial as a descending exponent array terminated by ‐1.
| *ctx*
| BN_CTX scratch space.
|===


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