tree 929793cd2d8240d50b261531a4f6656081fb12fd
parent b65c2be5f174468a178b6d9456b20ca969d4a3d6
author Hanno Becker <hanno.becker@arm.com> 1492502865 +0100
committer Hanno Becker <hanno.becker@arm.com> 1492502865 +0100

Correct sign in modular exponentiation algorithm.

The modular exponentiation function  handled the sign incorrectly. This commit fixes this and a test case which should have caught it.