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POLY: fix infinite loop for non-invertible polynomials

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hasufell 2014-06-27 22:40:08 +02:00
parent c9fcb7aa99
commit cef08a4ae0
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1 changed files with 6 additions and 0 deletions
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6
src/ntru_poly.c
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@ -352,6 +352,9 @@ poly_inverse_poly_q(fmpz_poly_t Fq,
goto cleanup;
}
if (fmpz_poly_is_zero(g) == 1)
goto cleanup;
if (fmpz_poly_degree(f) == 0)
break;
@ -464,6 +467,9 @@ poly_inverse_poly_p(fmpz_poly_t Fp,
goto cleanup;
}
if (fmpz_poly_is_zero(g) == 1)
goto cleanup;
if (fmpz_poly_degree(f) == 0)
break;