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Fix broken testing on numbers that may be greater than MPI_MAX_SIZE
Previously `mbedtls_mpi_exp_mod` was tested with values that were over `MBEDTLS_MPI_MAX_SIZE` in size. This is useful to do as some paths are only taken when the exponent is large enough however, on builds where `MBEDTLS_MPI_MAX_SIZE` is under the size of these test values. This fix turns off these tests when `MBEDTLS_MPI_MAX_SIZE` is too small to safely test (notably this is the case in config-thread.h). Signed-off-by: Chris Jones <christopher.jones@arm.com>
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@ -1,6 +1,10 @@
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/* BEGIN_HEADER */
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#include "mbedtls/bignum.h"
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#if MBEDTLS_MPI_MAX_BITS > 256
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#define MPI_MAX_BITS_LARGER_THAN_256
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#endif
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typedef struct mbedtls_test_mpi_random
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{
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data_t *data;
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@ -1132,7 +1136,7 @@ exit:
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}
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/* END_CASE */
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/* BEGIN_CASE */
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/* BEGIN_CASE depends_on:MPI_MAX_BITS_LARGER_THAN_256 */
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void mbedtls_mpi_exp_mod( int radix_A, char * input_A, int radix_E,
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char * input_E, int radix_N, char * input_N,
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int radix_RR, char * input_RR, int radix_X,
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