[#RIPEMD160_Update]
= RIPEMD160_Update
:mrdocs:

Absorb `len` bytes into a RIPEMD‐160 context (deprecated; prefer EVP_DigestUpdate).

== Synopsis

Declared in `<openssl/ripemd.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
[[deprecated]]
int
RIPEMD160_Update(
    xref:RIPEMD160_CTX.adoc[RIPEMD160_CTX]* c,
    void const* data,
    size_t len);
----

[WARNING]
====
https://en.cppreference.com/cpp/language/attributes/deprecated[Deprecated^]. Use of this entity is allowed but discouraged.
====
== Return Value

1 on success, or 0 on failure.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *c*
| Context initialised by RIPEMD160_Init().
| *data*
| Message bytes to hash.
| *len*
| Number of bytes at `data.`
|===


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