Commit 1ef7a53f authored by Paul Bakker's avatar Paul Bakker
Browse files

- Fixed incorrect handling of negative first input value in mpi_sub_abs()...

 - Fixed incorrect handling of negative first input value in mpi_sub_abs() (found by code coverage tests).
parent f7ca7b99
......@@ -6,6 +6,8 @@ Bug fixes
mpi_read_string() (found by code coverage tests).
* Fixed incorrect handling of one single negative input
value in mpi_add_abs() (found by code coverage tests).
* Fixed incorrect handling of negative first input
value in mpi_sub_abs() (found by code coverage tests).
= Version 0.11.1 released on 2009-05-17
* Fixed missing functionality for SHA-224, SHA-256, SHA384,
......
......@@ -762,6 +762,11 @@ int mpi_sub_abs( mpi *X, mpi *A, mpi *B )
if( X != A )
MPI_CHK( mpi_copy( X, A ) );
/*
* X should always be positive as a result of unsigned substractions.
*/
X->s = 1;
ret = 0;
for( n = B->n - 1; n >= 0; n-- )
......
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