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- Fixed incorrect handling of negative strings in mpi_read_string() (found by code coverage tests).

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This commit is contained in:
Paul Bakker 2009-06-20 08:22:43 +00:00
parent 80ab9f5eb5
commit 05feca6f7c
2 changed files with 14 additions and 1 deletions
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5
ChangeLog
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@ -1,5 +1,10 @@
PolarSSL ChangeLog
= Version X released on X
Bug fixes
* Fixed incorrect handling of negative strings in
mpi_read_string() (found by code coverage tests).
= Version 0.11.1 released on 2009-05-17
* Fixed missing functionality for SHA-224, SHA-256, SHA384,
SHA-512 in rsa_pkcs1_sign()

10
library/bignum.c
View File

@ -286,7 +286,15 @@ int mpi_read_string( mpi *X, int radix, char *s )
MPI_CHK( mpi_get_digit( &d, radix, s[i] ) );
MPI_CHK( mpi_mul_int( &T, X, radix ) );
MPI_CHK( mpi_add_int( X, &T, d ) );
if( X->s == 1 )
{
MPI_CHK( mpi_add_int( X, &T, d ) );
}
else
{
MPI_CHK( mpi_sub_int( X, &T, d ) );
}
}
}