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Fix bounds and error checking in gen_key.c

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Manuel Pégourié-Gonnard 2014-07-21 17:10:16 +02:00
parent 192253aaa9
commit a39416ff38
1 changed files with 14 additions and 2 deletions
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16
programs/pkey/gen_key.c
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@ -248,7 +248,8 @@ int main( int argc, char *argv[] )
else if( strcmp( p, "rsa_keysize" ) == 0 )
{
opt.rsa_keysize = atoi( q );
if( opt.rsa_keysize < 1024 || opt.rsa_keysize > 8192 )
if( opt.rsa_keysize < 1024 ||
opt.rsa_keysize > POLARSSL_MPI_MAX_BITS )
goto usage;
}
else if( strcmp( p, "ec_curve" ) == 0 )
@ -373,7 +374,18 @@ int main( int argc, char *argv[] )
#endif
printf(" ! key type not supported\n");
write_private_key( &key, opt.filename );
/*
* 1.3 Export key
*/
printf( " . Writing key to file..." );
if( ( ret = write_private_key( &key, opt.filename ) ) != 0 )
{
printf( " failed\n" );
goto exit;
}
printf( " ok\n" );
exit: