RGBCube/serenity
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3 commits

Author SHA1 Message Date
Itamar
2843dce498 LibCrypto: Fix a bug in big int addition 
There was a bug when dealing with a carry when the addition
result for the current word was UINT32_MAX.

This commit also adds a regression test for the bug.
 2020-05-02 12:24:10 +02:00
Itamar
e0cf40518c LibCrypto: Add UnsignedBigInteger subtraction and comparison 2020-05-02 12:24:10 +02:00
Itamar
6201f741d4 LibCrypto: Add UnsignedBigInteger and implement addition 
UnsignedBigInteger stores an unsigned ainteger of arbitrary length.

A big integer is represented  as a vector of word. Each
word is an unsigned int.
 2020-05-02 12:24:10 +02:00