We avoid 3 VLAs[1] by always allocating MAX_BLOCKSIZE bytes or,
when needed for alignement, MAX_BLOCKSIZE + MAX_ALIGNMASK bytes.
We also check the selected cipher at instance creation time, if
it doesn't comply with these limits, the creation will fail.
[1]
We avoid 3 VLAs[1] by always allocating MAX_BLOCKSIZE bytes or,
when needed for alignement, MAX_BLOCKSIZE + MAX_ALIGNMASK bytes.
We also check the selected cipher at instance creation time, if
it doesn't comply with these limits, the creation will fail.
[1]