static int
aes_aarch64_encrypt(void *_ctx, const void *src, size_t src_size,
void *dst, size_t dst_size)
{
struct aes_ctx *ctx = _ctx;
aes_v8_cbc_encrypt(src, dst, src_size, ALIGN16(&ctx->expanded_key),
ctx->iv, 1);
return 0;
}
static int cbc_encrypt(struct blkcipher_desc *desc, struct scatterlist *dst,
struct scatterlist *src, unsigned int nbytes)
{
struct crypto_aes_ctx *ctx = crypto_blkcipher_ctx(desc->tfm);
int err, first, rounds = 6 + ctx->key_length / 4;
struct blkcipher_walk walk;
unsigned int blocks;
desc->flags &= ~CRYPTO_TFM_REQ_MAY_SLEEP;
blkcipher_walk_init(&walk, dst, src, nbytes);
err = blkcipher_walk_virt(desc, &walk);
//kernel_neon_begin();
for (first = 1; (blocks = (walk.nbytes / AES_BLOCK_SIZE)); first = 0) {
aes_v8_cbc_encrypt(walk.dst.virt.addr, walk.src.virt.addr,
(u8 *)ctx->key_enc, rounds, blocks, walk.iv,
first);
err = blkcipher_walk_done(desc, &walk, walk.nbytes % AES_BLOCK_SIZE);
}
//kernel_neon_end();
return err;
}
