i have created a pr <https://github.com/sagemath/sage/pull/41577> related to the addressed issue On Sunday, February 1, 2026 at 5:49:31 PM UTC+2 Rashad alsharpini2 wrote:
> - [todo1]( > https://github.com/rashadalsharpini/sage/blob/28a7d0422ba718b81d555a29ec02ef07cf6d92e9/src/sage/crypto/classical.py#L1547) > > > > - [todo2]( > https://github.com/rashadalsharpini/sage/blob/28a7d0422ba718b81d555a29ec02ef07cf6d92e9/src/sage/crypto/classical.py#L1573) > > > > For the Hill cipher, encryption is defined as > - encryption c = A * M > and decryption as > - Decryption M = A^-1 * c > > in these todos i have to check if A is an invertible matrix > is this correct ? > > -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/d/msgid/sage-devel/2212bd27-de6a-4917-9df6-a30d4595508en%40googlegroups.com.
