[#BN_lebin2bn]
= BN_lebin2bn
:mrdocs:

Convert a little‐endian unsigned byte array to a BIGNUM.

== Synopsis

Declared in `<openssl/bn.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:BIGNUM.adoc[BIGNUM]*
BN_lebin2bn(
    unsigned char const* s,
    int len,
    xref:BIGNUM.adoc[BIGNUM]* ret);
----

== Return Value

Result BIGNUM, or NULL on error.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *s*
| Little‐endian input octets (least significant byte first).
| *len*
| Number of bytes at `s.`
| *ret*
| Destination BIGNUM to reuse, or NULL to allocate a new one.
|===


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