[#BloombergLP-bslh-SipHashAlgorithm-2constructor]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslh.adoc[bslh]::xref:BloombergLP/bslh/SipHashAlgorithm.adoc[SipHashAlgorithm]::SipHashAlgorithm
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:mrdocs:

Create a `bslh::SipHashAlgorithm`, seeded with a 128‐bit (`k_SEED_LENGTH` bytes) seed pointed to by the specified `seed`. Each bit of the supplied seed will contribute to the final hash produced by `computeHash()`. The behaviour is undefined unless `seed` points to at least 16 bytes of initialized memory. Note that if data in `seed` is not random, all guarantees of security and Denial of Service (DoS) protection are void.

== Synopsis

Declared in `<bslh_siphashalgorithm.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
SipHashAlgorithm(char const* seed);
----


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