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mpi_lt_mpi_ct: make use of unsigned consistent

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This commit is contained in:
Janos Follath 2019-10-14 09:01:15 +01:00
parent 7a34bcffef
commit b11ce0ec2d
1 changed files with 3 additions and 3 deletions
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6
library/bignum.c
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@ -1106,7 +1106,7 @@ int mbedtls_mpi_lt_mpi_ct( const mbedtls_mpi *X, const mbedtls_mpi *Y,
unsigned *ret ) unsigned *ret )
{ {
size_t i; size_t i;
unsigned int cond, done, sign_X, sign_Y; unsigned cond, done, sign_X, sign_Y;
MPI_VALIDATE_RET( X != NULL ); MPI_VALIDATE_RET( X != NULL );
MPI_VALIDATE_RET( Y != NULL ); MPI_VALIDATE_RET( Y != NULL );
@ -1119,9 +1119,9 @@ int mbedtls_mpi_lt_mpi_ct( const mbedtls_mpi *X, const mbedtls_mpi *Y,
* Get sign bits of the signs. * Get sign bits of the signs.
*/ */
sign_X = X->s; sign_X = X->s;
sign_X = sign_X >> ( sizeof( unsigned int ) * 8 - 1 ); sign_X = sign_X >> ( sizeof( unsigned ) * 8 - 1 );
sign_Y = Y->s; sign_Y = Y->s;
sign_Y = sign_Y >> ( sizeof( unsigned int ) * 8 - 1 ); sign_Y = sign_Y >> ( sizeof( unsigned ) * 8 - 1 );
/* /*
* If the signs are different, then the positive operand is the bigger. * If the signs are different, then the positive operand is the bigger.