<s>
A	O
key	B-General_Concept
generator	I-General_Concept
is	O
a	O
protocol	O
or	O
algorithm	O
that	O
is	O
used	O
in	O
many	O
cryptographic	O
protocols	O
to	O
generate	O
a	O
sequence	O
with	O
many	O
pseudo-random	B-Error_Name
characteristics	O
.	O
</s>
<s>
One	O
can	O
implement	O
a	O
key	B-General_Concept
generator	I-General_Concept
in	O
a	O
system	O
that	O
aims	O
to	O
generate	O
,	O
distribute	O
,	O
and	O
authenticate	O
keys	O
in	O
a	O
way	O
that	O
without	O
the	O
private	O
key	O
,	O
one	O
cannot	O
access	O
the	O
information	O
in	O
the	O
public	O
end	O
.	O
</s>
<s>
Examples	O
of	O
key	B-General_Concept
generators	I-General_Concept
include	O
linear-feedback	B-Architecture
shift	I-Architecture
registers	I-Architecture
(	O
LFSR	B-Architecture
)	O
and	O
the	O
Solitaire	B-Algorithm
(	O
or	O
Pontifex	O
)	O
cipher	O
.	O
</s>
<s>
One	O
of	O
the	O
common	O
examples	O
of	O
key	B-General_Concept
generators	I-General_Concept
would	O
be	O
the	O
bitcoin	B-Protocol
protocol	O
in	O
which	O
SHA-256	B-Algorithm
and	O
Secp256k1	O
algorithms	O
used	O
to	O
ensure	O
that	O
funds	O
can	O
only	O
be	O
spent	O
or	O
moved	O
by	O
their	O
rightful	O
owners	O
.	O
</s>
<s>
As	O
the	O
rate	O
of	O
global	O
data	O
transfer	O
increases	O
,	O
key	B-General_Concept
generators	I-General_Concept
are	O
partially	O
but	O
virally	O
responsible	O
for	O
the	O
security	O
and	O
privacy	O
of	O
its	O
users	O
.	O
</s>
<s>
</s>
