status_t
AESAlgorithm::Init(ThreadContext& context)
{
// Make space for our key schedule buffer
fEncryptScheduler = context.AddBuffer(sizeof(aes_encrypt_ctx));
fDecryptScheduler = context.AddBuffer(sizeof(aes_decrypt_ctx));
if (fEncryptScheduler < 0 || fDecryptScheduler < 0)
return B_NO_MEMORY;
return B_OK;
}
status_t
LRWMode::Init(ThreadContext& context, EncryptionAlgorithm* algorithm)
{
if (algorithm == NULL)
return B_BAD_VALUE;
fGaloisField = context.AddBuffer(sizeof(struct galois_field_context));
if (fGaloisField < 0)
return B_NO_MEMORY;
fAlgorithm = algorithm;
fAlgorithm->SetMode(this);
return B_OK;
}