[#SHAstate_st]
= SHAstate_st
:mrdocs:

Incremental SHA‐1 digest state (also typedef'd as SHA_CTX); deprecated low‐level API.

== Synopsis

Declared in `<openssl/sha.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
struct SHAstate_st;
----

== Data Members

[cols="1,4"]
|===
| Name| Description
| xref:SHAstate_st/Nh.adoc[`Nh`] 
| High 32 bits of the bit‐length counter.
| xref:SHAstate_st/Nl.adoc[`Nl`] 
| Low 32 bits of the bit‐length counter.
| xref:SHAstate_st/data.adoc[`data`] 
| Current message block buffer (16 SHA_LONG words).
| xref:SHAstate_st/h0.adoc[`h0`] 
| Chaining variables H0..H4 of the SHA‐1 compression function.
| xref:SHAstate_st/h1.adoc[`h1`] 
| Chaining variables H0..H4 of the SHA‐1 compression function.
| xref:SHAstate_st/h2.adoc[`h2`] 
| Chaining variables H0..H4 of the SHA‐1 compression function.
| xref:SHAstate_st/h3.adoc[`h3`] 
| Chaining variables H0..H4 of the SHA‐1 compression function.
| xref:SHAstate_st/h4.adoc[`h4`] 
| Chaining variables H0..H4 of the SHA‐1 compression function.
| xref:SHAstate_st/num.adoc[`num`] 
| Number of bytes currently buffered in `data` toward a full block.
|===



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