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- Corrected is_prime() results for 0, 1 and 2 (found by code coverage tests)

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This commit is contained in:
Paul Bakker 2009-06-25 21:25:49 +00:00
parent ce40a6d21d
commit 48eab260e9
2 changed files with 7 additions and 1 deletions
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6
library/bignum.c
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@ -1683,7 +1683,11 @@ int mpi_is_prime( mpi *X, int (*f_rng)(void *), void *p_rng )
mpi W, R, T, A, RR;
unsigned char *p;
if( mpi_cmp_int( X, 0 ) == 0 )
if( mpi_cmp_int( X, 0 ) == 0 ||
mpi_cmp_int( X, 1 ) == 0 )
return( POLARSSL_ERR_MPI_NOT_ACCEPTABLE );
if( mpi_cmp_int( X, 2 ) == 0 )
return( 0 );
mpi_init( &W, &R, &T, &A, &RR, NULL );