<s>
In	O
cryptography	O
,	O
the	O
Feige	B-Protocol
–	I-Protocol
Fiat	I-Protocol
–	I-Protocol
Shamir	I-Protocol
identification	I-Protocol
scheme	I-Protocol
is	O
a	O
type	O
of	O
parallel	O
zero-knowledge	B-Protocol
proof	I-Protocol
developed	O
by	O
Uriel	O
Feige	O
,	O
Amos	O
Fiat	O
,	O
and	O
Adi	O
Shamir	O
in	O
1988	O
.	O
</s>
<s>
Like	O
all	O
zero-knowledge	B-Protocol
proofs	I-Protocol
,	O
it	O
allows	O
one	O
party	O
,	O
the	O
Prover	O
,	O
to	O
prove	O
to	O
another	O
party	O
,	O
the	O
Verifier	O
,	O
that	O
they	O
possess	O
secret	O
information	O
without	O
revealing	O
to	O
Verifier	O
what	O
that	O
secret	O
information	O
is	O
.	O
</s>
<s>
The	O
Feige	B-Protocol
–	I-Protocol
Fiat	I-Protocol
–	I-Protocol
Shamir	I-Protocol
identification	I-Protocol
scheme	I-Protocol
,	O
however	O
,	O
uses	O
modular	O
arithmetic	O
and	O
a	O
parallel	O
verification	O
process	O
that	O
limits	O
the	O
number	O
of	O
communications	O
between	O
Prover	O
and	O
Verifier	O
.	O
</s>
