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Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
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Gilles Peskine 2021-06-21 11:40:38 +02:00
parent 38a384d2cc
commit b798b35374
1 changed files with 1 additions and 1 deletions
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library/bignum.c
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@ -2486,7 +2486,7 @@ int mbedtls_mpi_gcd( mbedtls_mpi *G, const mbedtls_mpi *A, const mbedtls_mpi *B
* and TA = 0, so TB is odd and gcd(TA,TB) = gcd(A',B'). In this case, * and TA = 0, so TB is odd and gcd(TA,TB) = gcd(A',B'). In this case,
* lz = min(a,b) so gcd(A,B) = 2^lz * TB. * lz = min(a,b) so gcd(A,B) = 2^lz * TB.
* - If there was no loop iteration, then A was 0, and gcd(A,B) = B. * - If there was no loop iteration, then A was 0, and gcd(A,B) = B.
* In this case, B = 2^lz * TB so gcd(A,B) = 2^lz * TB as well. * In this case, lz = 0 and B = TB so gcd(A,B) = B = 2^lz * TB as well.
*/ */
MBEDTLS_MPI_CHK( mbedtls_mpi_shift_l( &TB, lz ) ); MBEDTLS_MPI_CHK( mbedtls_mpi_shift_l( &TB, lz ) );