[#BloombergLP-bdlde-Sha384]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlde.adoc[bdlde]::Sha384
:relfileprefix: ../../
:mrdocs:

This `class` represents a SHA‐384 digest that can be updated as additional data is provided.

== Synopsis

Declared in `<bdlde_sha2.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
class Sha384;
----

== Description

More generally, this class supports a complete set of _value_ _semantic_ operations, including copy construction, assignment, equality comparison, and `ostream` printing. (A precise operational definition of when two instances have the same value can be found in the description of `operator==` for the class.) This container is _exception_ _neutral_ with no guarantee of rollback: if an exception is thrown during the invocation of a method on a pre‐existing instance, the class is left in a valid state, but its value is undefined. In no event is memory leaked. Finally, _aliasing_ (e.g., using all or part of an object as both source and destination) is supported in all cases.

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlde/Sha384/2constructor-03.adoc[`Sha384`]         [.small]#[constructor]#
| Constructors
| xref:BloombergLP/bdlde/Sha384/loadDigest.adoc[`loadDigest`] 
| Load the value of this SHA‐2 digest into the specified `result`.
| xref:BloombergLP/bdlde/Sha384/loadDigestAndReset.adoc[`loadDigestAndReset`] 
| Load the current value of this SHA‐2 digest into the specified `result` and set the value of this SHA‐2 digest to the value provided by the default constructor.
| xref:BloombergLP/bdlde/Sha384/print.adoc[`print`] 
| Format the current value of this SHA‐2 digest to the specified output `stream` and return a reference to the modifiable `stream`.
| xref:BloombergLP/bdlde/Sha384/reset.adoc[`reset`] 
| Reset the value of this SHA‐2 digest to the value provided by the default constructor.
| xref:BloombergLP/bdlde/Sha384/update.adoc[`update`] 
| Update this SHA‐2 digest to incorporate the specified data.
|===


== Static Data Members

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlde/Sha384/k_DIGEST_SIZE.adoc[`k_DIGEST_SIZE`] 
| The size (in bytes) of the output
|===


== Friends

[cols="1,4"]
|===
| Name| Description
| `xref:BloombergLP/bdlde/operator_eq-00.adoc[BloombergLP::bdlde::operator==]`
| Return `true` if the specified `lhs` and `rhs` SHA digests have the same value.
|===

== Non-Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:BloombergLP/bdlde/operator_not_eq-09a.adoc[`operator!=`]
| Return `true` if the SHA digests differ.
|===


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